10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(MARK ONE)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarter ended March 31, 2026

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from       to      

Commission file number: 001-42874

Bain Capital GSS Investment Corp.

(Exact Name of Registrant as Specified in Its Charter)

Cayman Islands	98-1853296
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

200 Clarendon Street

Boston, Massachusetts 02116

(Address of principal executive offices)

+1 (617)516-2000

(Issuer’s telephone number)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-fifth of one redeemable warrant	BCSS.U	New York Stock Exchange
Class A ordinary shares included as part of the units	BCSS	New York Stock Exchange
Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50	BCSS.W	New York Stock Exchange

Check whether the issuer (1) filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the past 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T(§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, anon-accelerated filer, a smaller reporting company or an emerging growth company. See definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☐
Non-accelerated filer	☒	Smaller reporting company	☒
		Emerging growth company	☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☒ No ☐

As of May 11, 2026, there were 46,900,000 Class A ordinary shares, $0.0001 par value, and 11,500,000 Class B ordinary shares, $0.0001 par value, issued and outstanding.

BAIN CAPITAL GSS INVESTMENT CORP.

FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2026

TABLE OF CONTENTS

	Page
Part I. Financial Information		1
Item 1. Interim Financial Statements		1
Condensed Balance Sheets as of March 31, 2026 (Unaudited) and December 31, 2025		1
Condensed Statements of Operations for the three months ended March 31, 2026 and for the period from March 24, 2025 (Inception) through March 31, 2025 (Unaudited)		2
Condensed Statements of Changes in Shareholders’ Equity (Deficit) for the three months ended March 31, 2026 and for the period from March 24, 2025 (Inception) through March 31, 2025 (Unaudited)		3
Condensed Statement of Cash Flows for the three months ended March 31, 2026 and for the period from March 24, 2025 (Inception) through March 31, 2025 (Unaudited)		4
Notes to Condensed Financial Statements (Unaudited)		5
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations		17
Item 3. Quantitative and Qualitative Disclosures Regarding Market Risk		19
Item 4. Controls and Procedures		20
Part II. Other Information		21
Item 1. Legal Proceedings		21
Item 1A. Risk Factors		21
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds		21
Item 3. Defaults Upon Senior Securities		21
Item 4. Mine Safety Disclosures		21
Item 5. Other Information		21
Item 6. Exhibits		22
Part III. Signatures		23

PART I - FINANCIAL INFORMATION

Item 1. Interim Financial Statements.

BAIN CAPITAL GSS INVESTMENT CORP.

CONDENSED BALANCE SHEETS

	March 31, 2026			December 31, 2025
	(Unaudited)
Assets
Current assets:
Cash	$	637,186		$	784,949
Prepaid expenses		295,039			238,589
Total current assets		932,225			1,023,538
Long Term prepaid insurance		112,650			168,975
Interest-bearing Demand Deposits held in Trust Account		468,918,973			464,648,083
Total Assets		469,963,848			465,840,596
Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders’ Deficit
Current liabilities:
Accrued offering costs	$	85,000		$	89,501
Accrued expenses		316,797			202,210
Total current liabilities		401,797			291,711
Deferred underwriting fee		16,100,000			16,100,000
Total Liabilities		16,501,797			16,391,711
Shareholders’ Deficit:
Commitments and Contingencies
Class A ordinary shares subject to possible redemption, $0.0001 par value; 46,000,000 shares at redemption value of $10.19 and 10.10 per share at March 31, 2026 and December 31, 2025, respectively		468,918,973			464,648,083
Shareholders’ Deficit:
Preference shares, $0.0001 par value; 1,000,000 shares authorized; none issued or outstanding at March 31, 2026 and December 31, 2025		—			—
Class A ordinary shares, $0.0001 par value; 200,000,000 shares authorized; 900,000 shares issued and outstanding (excluding 46,000,000 shares subject to possible redemption) at March 31, 2026 and December 31, 2025		90			90
Class B ordinary shares, $0.0001 par value; 20,000,000 shares authorized; 11,500,000 shares issued and outstanding at March 31, 2026 and December 31, 2025		1,150			1,150
Additional paid-in capital		—			—
Accumulated deficit		(15,458,162	)		(15,200,438	)
Total Shareholders’ Deficit		(15,456,922	)		(15,199,198	)
Total Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders’ Deficit	$	469,963,848		$	465,840,596

The accompanying notes are an integral part of these unaudited condensed financial statements.

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BAIN CAPITAL GSS INVESTMENT CORP.

CONDENSED STATEMENTS OF OPERATIONS

(UNAUDITED)

	For the Three Months Ended March 31,			For the Period from March 24, 2025 (Inception) Through March 31,
	2026			2025
General and administrative costs	$	257,724		$	20,608
Loss from operations		(257,724	)		(20,608	)
Other income:
Interest earned on interest-bearing demand deposits held in Trust Account		4,270,890			—
Total other income		4,270,890			—
Net income (loss)	$	4,013,166		$	(20,608	)
Basic and diluted weighted average Class A ordinary shares outstanding		46,900,000			—
Basic and diluted net income per Class A ordinary share	$	0.07		$	—
Basic and diluted weighted average Class B ordinary shares outstanding(1)		11,500,000			10,000,000
Basic and diluted net income (loss) per Class B ordinary share	$	0.07		$	(0.00	)

(1) Prior to the Initial Public Offering, 1,500,000 Class B ordinary shares were subject to forfeiture depending on the extent to which the underwriter exercised its over-allotment option and were therefore excluded from certain share calculations where applicable. On October 1, 2025, the underwriters exercised the over-allotment option in full in connection with the closing of the Initial Public Offering, and accordingly, such Founder Shares are no longer subject to forfeiture (see Note 4).

The accompanying notes are an integral part of these unaudited condensed financial statements.

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BAIN CAPITAL GSS INVESTMENT CORP.

CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS’ DEFICIT

FOR THE THREE MONTHS ENDED MARCH 31, 2026

(UNAUDITED)

	Class A Ordinary Shares				Class B Ordinary Shares				Additional Paid-in Capital		Accumulated Deficit			Total Shareholders’ Equity (Deficit)
	Shares		Amount		Shares		Amount
Balance — December 31, 2025		900,000	$	90		11,500,000	$	1,150	$	—	$	(15,200,438	)	$	(15,199,198	)
Accretion of carrying value to redemption value		—		—		—		—		—		(4,270,890	)		(4,270,890	)
Net income		—		—		—		—		—		4,013,166			4,013,166
Balance – March 31, 2026		900,000	$	90		11,500,000		1,150		—		(15,458,162	)		(15,456,922	)

FOR THE PERIOD FROM MARCH 24, 2025 (INCEPTION) THROUGH MARCH 31, 2025

	Class A Ordinary Shares				Class B Ordinary Shares(1)				Additional Paid-in Capital		Accumulated Deficit			Total Shareholders’ Equity (Deficit)
	Shares		Amount		Shares		Amount
Balance — March 24, 2025 (Inception)		—	$	—		—	$	—	$	—	$	—		$	—
Issuance of Class B ordinary shares to Sponsor		—		—		11,500,000		1,150		23,850		—			25,000
Net loss		—		—		—		—		—		(20,608	)		(20,608	)
Balance – March 31, 2025		—		—		11,500,000		1,150		23,850		(20,608	)		4,392

(1) Included up to 1,500,000 Class B ordinary shares subject to forfeiture if the over-allotment option was not exercised in full or in part by the underwriters. Subsequently, on October 1, 2025, the underwriters exercised their over-allotment option in full as part of the closing of the Initial Public Offering. As such, the 1,500,000 Founder Shares are no longer subject to forfeiture (see Note 4).

The accompanying notes are an integral part of these unaudited condensed financial statements.

3

BAIN CAPITAL GSS INVESTMENT CORP.

CONDENSED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	For the Three Months Ended March 31, 2026			For the Period From March 24, 2025 (Inception) Through March 31, 2025
Cash Flows from Operating Activities:
Net income (loss)	$	4,013,166		$	(20,608	)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Interest earned on interest-bearing demand deposits held in Trust Account		(4,270,890	)		—
Changes in operating assets and liabilities:
Prepaid expenses		(56,450	)		—
Long Term prepaid insurance		56,325			—
Accrued expenses		114,587			20,608
Net cash used in operating activities		(143,262	)		—
Cash Flows from Financing Activities:
Payment of offering costs		(4,501	)		—
Net cash used in financing activities		(4,501	)		—
Net change in cash		(147,763	)		—
Cash – beginning of the period		784,949			—
Cash – end of the period	$	637,186		$	—
Supplemental disclosure of noncash investing and financing activities:
Prepaid expenses paid by Sponsor through issuance of Class B ordinary shares	$	—		$	25,000
Deferred offering costs included in accrued offering costs	$	—		$	55,325

The accompanying notes are an integral part of these unaudited condensed financial statements.

4

BAIN CAPITAL GSS INVESTMENT CORP.

NOTES TO CONDENSED FINANCIAL STATEMENTS

MARCH 31, 2026

(UNAUDITED)

Note 1 — Description of Organization and Business Operations

Bain Capital GSS Investment Corp. (the “Company”) is a newly organized blank check company incorporated as a Cayman Islands exempted company and formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses or entities (the “Business Combination”). The Company has not selected any specific Business Combination target and the Company has not, nor has anyone on its behalf, engaged in any substantive discussions, directly or indirectly, with any Business Combination target with respect to an initial Business Combination with the Company. The Company is an emerging growth company and, as such, the Company is subject to all of the risks associated with emerging growth companies.

As of March 31, 2026, the Company had not commenced any operations. All activity for the period from March 24, 2025 (inception) through March 31, 2026 relates to the Company’s formation, initial public offering (the “Initial Public Offering”), which is described below, and subsequent to the Initial Public Offering, identifying a target company for a Business Combination. The Company will not generate any operating revenues until after the completion of its initial Business Combination, at the earliest. The Company will generate non-operating income in the form of interest income on the proceeds derived from the Initial Public Offering. The Company has selected December 31 as its fiscal year end.

The registration statement for the Company’s Initial Public Offering was declared effective on September 29, 2025. On October 1, 2025, the Company consummated the Initial Public Offering of 46,000,000 units (the “Units” and, with respect to the Class A ordinary shares included in the Units being offered, the “Public Shares”), which includes the full exercise by the underwriters of their over-allotment option in the amount of 6,000,000 Units, at $10.00 per Unit, generating gross proceeds of $460,000,000. Each Unit consists of one Class A ordinary share and one-fifth of one redeemable warrant (each, a “Public Warrant”).

Simultaneously with the closing of the Initial Public Offering, the Company consummated the sale of 900,000 units (the “Private Placement Units”) at a price of $10.00 per Private Placement Unit, in a private placement (the “Private Placement”) to the Company’s sponsor, Bain Capital GSS Investment Sponsor LLC (the “Sponsor”), generating gross proceeds of $9,000,000. Each Private Placement Unit consists of one Class A ordinary share and one-fifth of one redeemable warrant (the “Private Placement Warrants” and together with the Public Warrants, the “Warrants”). Each whole Warrant entitles the holder to purchase one Class A ordinary share at a price of $11.50 per share, subject to adjustment.

Transaction costs amounted to $23,835,700, consisting of $7,000,000 of cash underwriting fees (net of $1,000,000 underwriter’s reimbursement), $16,100,000 of deferred underwriting fees, and $735,700 of other offering costs.

The Company’s management has broad discretion with respect to the specific application of the net proceeds of the Initial Public Offering and the sale of Private Placement Units, although substantially all of the net proceeds are intended to be applied generally toward consummating a Business Combination. There is no assurance that the Company will be able to complete a Business Combination successfully. The Company must complete one or more initial Business Combinations having an aggregate fair market value of at least 80% of the net assets held in the Trust Account (as defined below) (excluding the amount of deferred underwriting commissions and taxes payable on the interest earned on the Trust Account) at the time of the signing of the agreement to enter into the initial Business Combination. However, the Company will only complete a Business Combination if the post-transaction company owns or acquires 50% or more of the outstanding voting securities of the target or otherwise acquires a controlling interest in the target sufficient for it not to be required to register as an investment company under the Investment Company Act of 1940, as amended (the “Investment Company Act”).

Following the closing of the Initial Public Offering, on October 1, 2025, an amount of $460,000,000 ($10.00 per Unit) from the net proceeds of the sale of the Units and the Private Placement Units was placed in the trust account (the “Trust Account”), located in the United States, with Continental Stock Transfer & Trust Company acting as trustee, and may only be held in cash, including in demand Section 2(a)(16) of the Investment Company Act having a maturity of 185 days or less or in money market funds meeting certain conditions under Rule 2a-7 promulgated under the Investment Company Act which invest only in direct U.S. government treasury obligations, until the earlier of: (i) the completion of a Business Combination and (ii) the distribution of the Trust Account as described below.

The Company will provide the holders (the “Public Shareholders”) of Public Units, with the opportunity to redeem all or a portion of their Public Shares upon the completion of a Business Combination either (i) in connection with a shareholder meeting called to approve the Business Combination or (ii) by means of a tender offer. The decision as to whether the Company will seek shareholder approval of a Business Combination or conduct a tender offer will be made by the Company, solely in its discretion. The Public Shareholders will be entitled to redeem their Public Shares for a pro rata portion of the amount then held in the Trust Account (initially invested at $10.00 per Public Share, plus any pro rata interest earned on the funds held in the Trust Account and not previously released to the Company for Permitted Withdrawals (as defined below)). The per-share amount to be distributed to Public Shareholders who redeem their Public Shares will not be reduced by the deferred underwriting commissions the Company will pay to the underwriters (as discussed in Note 5).

5

Upon the public announcement of the initial Business Combination, if the Company elects to conduct redemptions pursuant to the tender offer rules, the Company and the Sponsor will terminate any plan established in accordance with Rule 10b5-1 to purchase the Class A ordinary shares in the open market, in order to comply with Rule 14e-5 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). In the event the Company conducts redemptions pursuant to the tender offer rules, the offer to redeem will remain open for at least 20 business days, in accordance with Rule14e-1(a) under the Exchange Act, and the Company will not be permitted to complete the initial Business Combination until the expiration of the tender offer period. In addition, the tender offer will be conditioned on public shareholders not tendering more than the number of public shares the Company is permitted to redeem. If public shareholders tender more shares than the Company has offered to purchase, the Company will withdraw the tender offer and not complete such initial Business Combination.

Notwithstanding the foregoing, if the Company seeks shareholder approval of its Business Combination and does not conduct redemptions in connection with its Business Combination pursuant to the tender offer rules, the Amended and Restated Memorandum and Articles of Association will provide that a Public Shareholder, together with any affiliate of such shareholder or any other person with whom such shareholder is acting in concert or as a “group” (as defined under Section 13 of the Exchange Act), will be restricted from redeeming its Public Shares with respect to more than an aggregate of 15% of the Public Shares issued in the Initial Public Offering, without the prior consent of the Company.

The Sponsor and the Company’s officers and directors (the “initial shareholders”) have agreed not to propose an amendment to the Amended and Restated Memorandum and Articles of Association (a) that would modify the substance or timing of the Company’s obligation to provide holders of its Public Shares the right to have their shares redeemed or repurchased in connection with a Business Combination or to redeem 100% of the Company’s Public Shares if the Company does not complete its Business Combination within 24 months (or 27 months from the closing of the Initial Public Offering if the Company has executed a letter of intent, agreement in principle or definitive agreement for the initial Business Combination within 24 months from the closing of the Initial Public Offering) from the closing of the Initial Public Offering (the “Combination Period”) or (b) with respect to any other provision relating to the rights of Public Shareholders, unless the Company provides the Public Shareholders with the opportunity to redeem their Class A ordinary shares in conjunction with any such amendment at aper-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously withdrawn or eligible to be withdrawn by the Company to pay the Company’s taxes, excluding the 1% U.S. federal excise tax that was implemented by the Inflation Reduction Act of 2022 (“Permitted Withdrawals”), divided by the number of the then-outstanding Public Shares.

If the Company has not completed a Business Combination within the Combination Period, the Company will (i) cease all operations except for the purpose of winding up; (ii) as promptly as reasonably possible but not more than ten business days thereafter, redeem the Public Shares, at aper-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to the Company for Permitted Withdrawals (less up to $100,000 of interest to pay dissolution expenses), divided by the number of the then-outstanding Public Shares, which redemption will completely extinguish Public Shareholders’ rights as shareholders (including the right to receive further liquidation distributions, if any); and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the remaining shareholders and the board of directors, liquidate and dissolve, subject in the case of clauses (ii) and (iii) to the Company’s obligations under Cayman Islands law to provide for claims of creditors and the requirements of other applicable law. There will be no redemption rights or liquidating distributions with respect to the Company’s warrants, which will expire worthless if the Company does not consummate an initial Business Combination within 24 months from the closing of the Initial Public Offering.

The ordinary shares subject to redemption were recorded at a redemption value and classified as temporary equity upon the completion of the Initial Public Offering, in accordance with Financial Accounting Standards Board’s (“FASB”) Accounting Standards Codification (“ASC”) Topic 480, “Distinguishing Liabilities from Equity.”

The initial shareholders have agreed to waive their liquidation rights with respect to the Founder Shares and Private Placement Shares included in the Private Placement Units if the Company fails to complete a Business Combination within the Combination Period. However, if the initial shareholders acquire Public Shares in or after the Initial Public Offering, they will be entitled to liquidating distributions from the Trust Account with respect to such Public Shares if the Company fails to complete a Business Combination within the Combination Period. The underwriters have agreed to waive their rights to their deferred underwriting commission (see Note 5) held in the Trust Account in the event the Company does not complete a Business Combination within the Combination Period and, in such event, such amounts will be included with the other funds held in the Trust Account that will be available to fund the redemption of the Public Shares.

In the event of such distribution, it is possible that the per share value of the assets remaining available for distribution (including Trust Account assets) will be only $10.00 per share initially held in the Trust Account. In order to protect the amounts held in the Trust Account, the Sponsor has agreed to be liable to the Company if and to the extent any claims by a third party (excluding the Company’s independent registered public accounting firm) for services rendered or products sold to the Company, or a prospective target business with which the Company has entered into a written letter of intent, confidentially or other similar agreement or Business Combination agreement, reduce the amount of funds in the Trust Account to below the lesser of (i) $10.00 per Public Share and (ii) the actual amount per Public Share held in the Trust Account as of the date of the liquidation of the Trust Account if less than $10.00 per Public Share due to reductions in the value of the trust assets. This liability will not apply with respect to any claims by a third party who executed a waiver of any right, title, interest or claim of any kind in or to any monies held in the Trust Account or to any claims under the Company’s indemnity of the underwriters of the Initial Public Offering against certain liabilities, including liabilities under the Securities Act of 1933, as amended (the “Securities Act”).

6

Moreover, in the event that an executed waiver is deemed to be unenforceable against a third party, the Sponsor will not be responsible to the extent of any liability for such third-party claims. The Sponsor has not made reserves for such indemnification obligations, nor has the Company independently verified whether the Sponsor has sufficient funds to satisfy its indemnity obligations, and the Company believes that the Sponsor’s only assets are securities of the Company. Therefore, the Sponsor may not be able to satisfy those obligations. The Company will seek to reduce the possibility that the Sponsor will have to indemnify the Trust Account due to claims of creditors by endeavoring to have all vendors, service providers (excluding the Company’s independent registered public accounting firm), prospective target businesses or other entities with which the Company does business, execute agreements with the Company waiving any right, title, interest or claim of any kind in or to monies held in the Trust Account.

NOTE 2 — SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying unaudited condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and in accordance with the instructions to Form 10-Q and Article 8 of Regulation S-X of the U.S. Securities and Exchange Commission (“SEC”). Certain information or footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted, pursuant to the rules and regulations of the SEC for interim financial reporting. Accordingly, they do not include all the information and footnotes necessary for a complete presentation of financial position, results of operations, or cash flows. In the opinion of management, the accompanying unaudited condensed financial statements include all adjustments, consisting of a normal recurring nature, which are necessary for a fair presentation of the financial position, operating results and cash flows for the periods presented.

The accompanying unaudited condensed financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for the period ended December 31, 2025, as filed with the SEC on March 20, 2026. The interim results for the three months ended March 31, 2026 and the period from March 24, 2025 (inception) through March 31, 2025, are not necessarily indicative of the results to be expected for the year ending December 31, 2026 or for any future periods.

Liquidity and Going Concern

The Company’s liquidity needs up to March 31, 2026 had been satisfied through the loan under an unsecured promissory note from the Sponsor of up to $300,000. On October 1, 2025, the Company repaid the total outstanding balance of the Promissory Note amounting to $212,377 (see Note 4). As of March 31, 2026, the Company had cash of $637,186 and working capital of $530,428.

In order to fund working capital deficiencies or finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but is not obligated to, loan the Company funds as may be required (the “Working Capital Loans”). If the Company completes a Business Combination, the Company would repay such loaned amounts at that time. Up to $1,500,000 of such Working Capital Loans may be converted into private placement units upon consummation of the Business Combination at a price of $10.00 per unit. The units would be identical to the Private Placement Units. As of March 31, 2026 and December 31, 2025, the Company had no borrowings under the Working Capital Loans.

In connection with the Company’s assessment of going concern considerations in accordance with ASC205-40, “Presentation of Financial Statements–Going Concern”, as of March 31, 2026, the Company may need to raise additional capital through loans or additional investments from its Sponsor, shareholders, officers, directors, or third parties. The Company’s officers, directors and Sponsor may, but are not obligated to, loan the Company funds, from time to time or at any time, in whatever amount they deem reasonable in their sole discretion, to meet the Company’s working capital needs. Accordingly, the Company may not be able to obtain additional financing. If the Company is unable to raise additional capital, it may be required to take additional measures to conserve liquidity, which could include, but not necessarily be limited to, curtailing operations, suspending the pursuit of a potential transaction, and reducing overhead expenses. The Company cannot provide any assurance that new financing will be available to it on commercially acceptable terms, if at all.

Management plans to address this uncertainty through a Business Combination. If a Business Combination is not consummated by the end of the Combination Period, which currently expires on October 1, 2027, there will be mandatory liquidation and subsequent dissolution of the Company.

In connection with the Company’s assessment of going concern considerations in accordance with Financial Accounting Standard Board’s (“FASB”) Accounting Standards Codification (“ASC”) Subtopic205-40, “Presentation of Financial Statements –Going Concern,” management has determined that the Company’s liquidity condition raises substantial doubt about the Company’s ability to continue as a going concern. In order to finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but are not obligated to, loan the Company Working Capital Loans (see Note 4).

Emerging Growth Company

The Company is an “emerging growth company,” as defined in Section 2(a) of the Securities Act, as modified by the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”), and it may take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies including, but not limited to, not being required to comply with the independent registered public accounting firm attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, reduced disclosure obligations regarding executive compensation in its periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and shareholder approval of any golden parachute payments not previously approved.

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Further, Section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective or do not have a class of securities registered under the Exchange Act) are required to comply with the new or revised financial accounting standards. The JOBS Act provides that a company can elect to opt out of the extended transition period and comply with the requirements that apply to non-emerging growth companies but any such election to opt out is irrevocable. The Company has elected not to opt out of such extended transition period which means that when a standard is issued or revised and it has different application dates for public or private companies, the Company, as an emerging growth company, can adopt the new or revised standard at the time private companies adopt the new or revised standard. This may make comparison of the Company’s unaudited condensed financial statements with another public company which is neither an emerging growth company nor an emerging growth company which has opted out of using the extended transition period difficult or impossible because of the potential differences in accounting standards used.

Use of Estimates

The preparation of unaudited condensed financial statements in conformity with GAAP requires the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed financial statements and the reported amounts of revenues and expenses during the reporting period.

Making estimates requires management to exercise significant judgment. It is at least reasonably possible that the estimate of the effect of a condition, situation or set of circumstances that existed at the date of the unaudited condensed financial statements, which management considered in formulating its estimate, could change in the near term due to one or more future confirming events. Accordingly, the actual results could differ significantly from those estimates.

Cash and Cash Equivalents

The Company considers all short-term investments with an original maturity of three months or less when purchased to be cash equivalents. The Company had $637,186 and $784,949 in cash as of March 31, 2026 and December 31, 2025, respectively. The Company did not have any cash equivalents as of March 31, 2026 and December 31, 2025.

Interest-bearing Demand Deposits Held in Trust Account

As of March 31, 2026 and December 31, 2025, the assets held in the Trust Account, amounting to $468,918,973 and $464,648,083, respectively, were held in an interest-bearing demand deposit account.

Offering Costs

The Company complies with the requirements of the ASC340-10-S99and SEC Staff Accounting Bulletin Topic 5A, “Expenses of Offering.” Offering costs consist principally of professional and registration fees that are related to the Initial Public Offering. FASB ASC470-20, “Debt with Conversion and Other Options,” addresses the allocation of proceeds from the issuance of convertible debt into its equity and debt components. The Company applies this guidance to allocate Initial Public Offering proceeds from the Units between Class A ordinary shares and warrants, prorate, allocating the Initial Public Offering proceeds to the assigned value of the warrants and to the Class A ordinary shares. Offering costs allocated to the Public Shares were charged to temporary equity, and offering costs allocated to the Public Warrants and Private Placement Units were charged to shareholders’ deficit as Public Warrants and Private Placement Warrants after management’s evaluation were accounted for under equity treatment.

Income Taxes

The Company follows the asset and liability method of accounting for income taxes under FASB ASC Topic 740, “Income Taxes.” Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the unaudited condensed financial statements carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that included the enactment date. Valuation allowances are established, when necessary, to reduce deferred tax assets to the amount expected to be realized.

ASC Topic 740 prescribes a recognition threshold and a measurement attribute for the unaudited condensed financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more likely than not to be sustained upon examination by taxing authorities. The Company’s management determined that the Cayman Islands is the Company’s major tax jurisdiction. The Company recognizes accrued interest and penalties related to unrecognized tax benefits as income tax expense.

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As of March 31, 2026 and December 31, 2025, there were no unrecognized tax benefits and no amounts accrued for interest and penalties. The Company is currently not aware of any issues under review that could result in significant payments, accruals or material deviation from its position.

The Company is considered to be an exempted Cayman Islands company with no connection to any other taxable jurisdiction and is presently not subject to income taxes or income tax filing requirements in the Cayman Islands or the United States. As such, the Company’s tax provision was zero for the periods presented.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist of a cash account in a financial institution, which, at times, may exceed the Federal Deposit Insurance Corporation coverage limit of $250,000. Any loss incurred or a lack of access to such funds could have a significant adverse impact on the Company’s financial condition, results of operations, and cash flows.

Fair Value of Financial Instruments

The fair value of the Company’s assets and liabilities, which qualify as financial instruments under ASC Topic 820, “Fair Value Measurement,” approximates the carrying amounts represented in the unaudited condensed balance sheet, primarily due to their short-term nature.

Fair Value Measurements

Fair value is defined as the price that would be received for sale of an asset or paid for transfer of a liability, in an orderly transaction between market participants at the measurement date. GAAP establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). These tiers include:

• Level 1, defined as observable inputs such as quoted prices (unadjusted) for identical instruments in active markets;

• Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable such as quoted prices for similar instruments in active markets or quoted prices for identical or similar instruments in markets that are not active; and

• Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions, such as valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

In some circumstances, the inputs used to measure fair value might be categorized within different levels of the fair value hierarchy. In those instances, the fair value measurement is categorized in its entirety in the fair value hierarchy based on the lowest level input that is significant to the fair value measurement.

Net Income (Loss) per Ordinary Share

The Company complies with accounting and disclosure requirements of FASB ASC Topic 260, “Earnings Per Share.” Net income (loss) per ordinary share is computed by dividing net income by the weighted average number of shares of ordinary shares outstanding for the period. The Company has two classes of ordinary shares, which are referred to as Class A ordinary Shares and Class B ordinary shares. Accretion associated with the redeemable shares of Class A Ordinary Shares is excluded from income (loss) per ordinary share as the redemption value approximates fair value.

The calculation of diluted income (loss) per ordinary share does not consider the effect of the warrants issued in connection with the Initial Public Offering and the Private Placement Warrants since the exercise of the warrants is contingent upon the occurrence of future events. As a result, diluted net income (loss) per ordinary share is the same as basic net income (loss) per ordinary share for the periods presented.

The following table reflects the calculation of basic and diluted net income (loss) per ordinary share (in dollars, except per share amounts):

	For the Three Months Ended March 31, 2026				For the Period from March 24, 2025 (Inception) Through March 31, 2025
	Class A		Class B		Class A		Class B
Basic and diluted net income (loss) per ordinary share
Numerator:
Allocation of net income (loss)	$	3,222,902	$	790,264	$	—	$	(20,608	)
Denominator:
Basic and diluted weighted average ordinary shares outstanding		46,900,000		11,500,000		—		10,000,000
Basic and diluted net income (loss) per ordinary share	$	0.07	$	0.07	$	—	$	(0.00	)

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Warrant Instruments

The Company accounted for the Public Warrants and Private Placement Warrants issued in connection with the Initial Public Offering and the private placement in accordance with the guidance contained in FASB ASC Topic 815, “Derivatives and Hedging”. Accordingly, the Company evaluated and classified the warrant instruments under equity treatment at their assigned values. Such guidance provides that the warrants described above will not be precluded from equity classification. Equity-classified contracts are initially measured at fair value (or allocated value). Subsequent changes in fair value are not recognized as long as the contracts continue to be classified in equity in accordance with ASC 480 and ASC 815.

As of October 1, 2025, the fair value of the Public Warrants was $3,036,000, or $0.33 per Public Warrant. The fair value of Public Warrants was determined using Monte Carlo Simulation Model. The Public Warrants have been classified within shareholders’ deficit and will not require remeasurement after issuance. The following table presents the quantitative information regarding market assumptions used in the valuation of the Public Warrants:

	October 1, 2025
Underlying stock price	$	10.03
Exercise price	$	11.50
Volatility		5.00	%
Term (in years)		7.00
Risk-free rate		3.81	%
Market adjustment		25.3	%

Class A Ordinary Shares Subject to Possible Redemption

The Public Shares contain a redemption feature which allows for the redemption of such Public Shares in connection with the Company’s liquidation, or if there is a shareholder vote or tender offer in connection with the Company’s initial Business Combination. In accordance with ASC480-10-S99,the Company classifies Public Shares subject to possible redemption outside of permanent equity as the redemption provisions are not solely within the control of the Company. The Company recognizes changes in redemption value immediately as they occur and will adjust the carrying value of redeemable shares to equal the redemption value at the end of each reporting period. Immediately upon the closing of the Initial Public Offering, the Company recognized the accretion from initial book value to redemption value. The change in the carrying value of redeemable shares will result in charges against additional paid-in capital (to the extent available) and accumulated deficit. Accordingly, as of March 31, 2026 and December 31, 2025, Class A ordinary shares subject to possible redemption are presented at redemption value as temporary equity, outside of the shareholders’ deficit section of the Company’s unaudited condensed balance sheet. As of March 31, 2026 and December 31, 2025, the Class A ordinary shares subject to possible redemption reflected in the unaudited condensed balance sheet are reconciled in the following table:

Gross proceeds	$	460,000,000
Less:
Proceeds allocated to Public Warrants		(3,036,000	)
Public Shares issuance costs		(23,664,360	)
Plus:
Accretion of carrying value to redemption value		31,348,443
Class A ordinary shares subject to possible redemption, December 31, 2025	$	464,648,083
Plus:
Accretion of carrying value to redemption value		4,270,890
Class A ordinary shares subject to possible redemption, March 31, 2026	$	468,918,973

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Share-Based Payment Arrangements

The Company accounts for stock awards in accordance with ASC 718, “Compensation—Stock Compensation,” which requires that all equity awards be accounted for at their “fair value.” Fair value is measured on the grant date and is equal to the underlying value of the stock.

Costs equal to these fair values are recognized ratably over the requisite service period based on the number of awards that are expected to vest, in the period of grant for awards that vest immediately and have no future service condition, or in the period the awards vest immediately after meeting a performance condition becomes probable (i.e., the occurrence of a Business Combination).

On December 18, 2025 and February 11, 2026, the Sponsor transferred 30,000 founder shares on each date to a newly appointed independent director as compensation for board service. These transfers are within the scope of ASC 718. In accordance with ASC 718, equity-classified stock-based awards are measured at fair value on the grant date. The aggregate fair value of the 30,000 founder shares granted on December 18, 2025 and February 11, 2026 was $150,600 and $178,800, or $5.02 and $5.96 per share, respectively. Because the awards contain a performance condition tied to the consummation of a Business Combination, compensation expense will be recognized upon the occurrence of such event.

Recent Accounting Pronouncements

Management does not believe that any recently issued, but not yet effective, accounting standards, if currently adopted, would have a material effect on the accompanying unaudited condensed financial statements.

NOTE 3 — INITIAL PUBLIC OFFERING

In the Initial Public Offering on October 1, 2025, the Company sold 46,000,000 Units, which includes the full exercise by the underwriters of their over-allotment option in the amount of 6,000,000 Units, at a purchase price of $10.00 per Unit. Each Unit consists of one Class A ordinary share, and one-fifth of one redeemable Public Warrant. Each Public Warrant entitles the holder to purchase one Class A ordinary share at a price of $11.50 per share, subject to adjustment (see Note 6).

NOTE 4 — RELATED PARTY TRANSACTIONS

Founders Shares

On March 26, 2025, Bain Capital GSS Investment Sponsor LLC paid $25,000 to cover certain of the Company’s expenses in exchange for the issuance of 11,500,000 Class B ordinary shares, par value $0.0001 (the “Founder Shares”). The Sponsor has agreed to forfeit up to 1,500,000 Founder Shares to the extent that the over-allotment option is not exercised in full by the underwriters. The forfeiture will be adjusted to the extent that the over-allotment option is not exercised in full by the underwriters so that the Founder Shares will represent 20% of the Company’s issued and outstanding ordinary shares (excluding the Private Placement Units and assuming the initial shareholders do not purchase any Public Shares in the Initial Public Offering) after the Initial Public Offering. On October 1, 2025, the underwriters exercised their over-allotment option in full as part of the closing of the Initial Public Offering. As such, the 1,500,000 Founder Shares are no longer subject to forfeiture.

On August 25, 2025, the Sponsor transferred an aggregate of 30,000 Founder Shares to the director of the Company in exchange for his services as director through the Company’s initial Business Combination. The Founder Shares shall return to the Sponsor if the director is no longer serving the Company on or prior to the initial Business Combination. The transfer of Founder Shares to the director is in the scope of FASB ASC Topic 718, “Compensation-Stock Compensation” (“ASC 718”). Under ASC 718, stock-based compensation associated with equity classified awards is measured at fair value upon the assignment date. The total fair value of the 30,000 Founder Shares transferred to the director on August 25, 2025 was $52,290 or $1.743 per share. The Company established the initial fair value Founder Shares on August 25, 2025, the date of the grant agreement, using a calculation prepared by a third party valuation team which takes into consideration the underlying share price of $9.95, term of 0.10, risk-free rate of 4.34%, and a market adjustment of 17.6%. The Founder Shares are classified as Level 3 at the measurement date due to the use of unobservable inputs, and other risk factors. The membership interests were assigned subject to a performance condition (i.e., providing services through Business Combination). Stock-based compensation would be recognized at the date a Business Combination is considered probable (i.e., upon consummation of a Business Combination) in an amount equal to the number of Founder Shares that ultimately vest times the assignment date fair value per share (unless subsequently modified) less the amount initially received for the transfer of Founder Shares. As of March 31, 2026, the Company determined that the initial Business Combination is not considered probable and therefore no compensation expense has been recognized.

Subject to limited exceptions, the initial shareholders will agree not to transfer, assign or sell any Founder Shares until the earlier to occur of: (A) 180 days after the completion of the initial Business Combination and (B) subsequent to the initial Business Combination, the date on which the Company completes a liquidation, merger, share exchange, reorganization or other similar transaction that results in all of the Public Shareholders having the right to exchange their ordinary shares for cash, securities or other property.

Private Placement Units

Simultaneously with the closing of the Initial Public Offering, the Sponsor purchased an aggregate of 900,000 Private Placement Units at $10.00 per Private Placement Unit, for an aggregate purchase price of $9,000,000, in a private placement. Such Private Placement Units are identical to the Units sold in the Initial Public Offering. If the Company does not consummate an initial Business Combination within 24 months from the closing of the Initial Public Offering (or 27 months from the closing of the Initial Public Offering if the Company has executed a letter of intent, agreement in principle or definitive agreement for the initial Business Combination within 24 months from the closing of the Initial Public Offering), any proceeds from the sale of the Private Placement Units held in the Trust Account will be used to fund the redemption of the Public Shares (subject to the requirements of applicable law). Holders of the Private Placement Units have entered into an agreement, pursuant to which they have agreed to waive their redemption rights with respect to their Founder Shares, Private Placement Shares included in any Private Placement Units and Public Shares in connection with (i) the completion of the initial Business Combination and (ii) the implementation by the directors of, following a shareholder vote to approve, an amendment to the amended and restated memorandum and articles of association (A) that would modify the substance or timing of the obligation to provide holders of the Class A ordinary shares the right to have their shares redeemed or repurchased in connection with the initial Business Combination or to redeem 100% of the Public Shares if the Company does not complete the initial Business Combination within the Combination Period from the closing of this Initial Public Offering or (B) with respect to any other provision relating to the rights of holders of the Class A ordinary shares. Subject to limited exceptions, the Private Placement Units (including any Private Placement Shares or Private Placement Warrants included in such Private Placement Units) will not be transferable or salable until 30 days after the completion of the initial Business Combination. Certain proceeds from the Private Placement Units were added to the proceeds from the Initial Public Offering to be held in the Trust Account.

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Related Party Loans

On March 26, 2025, Bain Capital GSS Investment Sponsor LLC agreed to loan the Company an aggregate of up to $300,000 to cover expenses related to the Initial Public Offering pursuant to a promissory note (the “Note”). This loan was non-interest bearing and payable on the earlier of September 30, 2026 or the completion of the Initial Public Offering. On October 1, 2025, the Company repaid the total outstanding balance of the Promissory Note amounting to $212,377. Borrowings under the Note are no longer available.

Working Capital Loans

In addition, in order to finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but are not obligated to, loan the Company funds as may be required (“Working Capital Loans”). If the Company completes a Business Combination, the Company may repay the Working Capital Loans out of the proceeds of the Trust Account released to the Company. Otherwise, the Working Capital Loans may be repaid only out of funds held outside the Trust Account. In the event that a Business Combination does not close, the Company may use a portion of the proceeds held outside the Trust Account to repay the Working Capital Loans but no proceeds held in the Trust Account would be used to repay the Working Capital Loans. Up to $1,500,000 of such Working Capital Loans may be converted into private placement units upon consummation of the Business Combination at a price of $10.00 per unit. The units would be identical to the Private Placement Units. Except for the foregoing, the terms of such Working Capital Loans, if any, have not been determined and no written agreements exist with respect to such loans. The Working Capital Loans would either be repaid upon consummation of a Business Combination, without interest, or, at the lender’s discretion, up to $1,500,000 of such Working Capital Loans may be convertible into shares of the post Business Combination entity at a price of $10.00 per unit. The Private Placement Units issued upon conversion of any such loans would be identical to the Private Placement Units sold in a private placement concurrently with the Initial Public Offering. As of March 31, 2026 and December 31, 2025, the company had no outstanding borrowings under the Working Capital Loans.

Administrative Services and Indemnification Agreement

Pursuant to the administrative services and indemnification agreement between the Company and the Sponsor, commencing on September 29, 2025 through the earlier of consummation of the initial Business Combination and the Company’s liquidation, the Company will pay the Sponsor for office space, secretarial and administrative services provided to the Company in the amount of $20,000 per month. In addition, the Company has agreed, pursuant to such administrative services and indemnification agreement with the Sponsor relating to the monthly payment for services outlined therein, that the Company will indemnify the Sponsor and its affiliates, including Bain Capital LP and its affiliates (“Bain”), from any liability arising with respect to their activities in connection with the Company’s affairs, including, but not limited to, any claims, made by the Company or a third party, (i) arising out of or relating to the Initial Public Offering or the Company’s operations or conduct of the Company’s business, (ii) in respect of any investment opportunities sourced by the Sponsor and its affiliates, including Bain, and/or (iii) against the Sponsor and/or Bain alleging any expressed or implied management or endorsement by the Sponsor and/or Bain of any of the Company’s activities or any express or implied association between the Sponsor and/or Bain, on the one hand, and the Company or any of its other affiliates, on the other hand, which agreement will provide that the indemnified parties cannot access the funds held in our Trust Account. For the three months ended March 31, 2026 and for the period from March 24, 2025 (inception) through March 31, 2025, the Company incurred $60,000 for these services. As of March 31, 2026 and December 31, 2025, $120,000 and $60,000, respectively, is included in accrued expenses in the accompanying unaudited condensed balance sheets.

NOTE 5 — COMMITMENTS AND CONTINGENCIES

Registration and Shareholder Rights

Holders of the Founder Shares and Private Placement Units, including from time to time the Public Shares, Private Placement Units that may be issued upon conversion of Working Capital Loans, any Private Placement Shares or Private Placement Warrants included in Private Placement Units, any Class A ordinary shares issuable upon conversion of Founder Shares or upon exercise of warrants they may hold or acquire, and any warrants, including Private Placement Warrants, that they may hold or acquire, will be entitled to registration rights pursuant to a registration and shareholder rights agreement signed on September 29, 2025. The holders of these securities are entitled to make up to three demands, excluding short form demands, that the Company register such securities. In addition, the holders have certain piggyback registration rights with respect to registration statements filed subsequent to the completion of the initial Business Combination. The Company will bear the expenses incurred in connection with the filing of any such registration statements. Further, the Sponsor, upon and following consummation of an initial Business Combination, will be entitled to nominate three individuals for appointment to the Company’s board of directors, as long as the Sponsor holds any securities covered by the registration and shareholder rights agreement.

Underwriting Agreement

The Company granted the underwriters a45-dayoption from the final prospectus relating to the Initial Public Offering to purchase up to 6,000,000 additional Public Shares to cover over-allotments, if any, at the Initial Public Offering price less the underwriting discounts and commissions. On October 1, 2025, the underwriters elected to fully exercise their over-allotment option to purchase an additional 6,000,000 Units at a price of $10.00 per Unit.

The underwriters were entitled to an underwriting discount of $0.20 per Public Share, excluding any proceeds from Units sold pursuant to the underwriter’s over-allotment option, or $8,000,000 in the aggregate, which was paid upon the closing of the Initial Public Offering. The underwriter paid the Company an aggregate amount of $1,000,000 at the closing of the Initial Public Offering as reimbursement to the Company for certain of its expenses and fees incurred in connection with the Initial Public Offering. In addition, $0.35 per Public Share, or $16,100,000 in the aggregate, will be payable to the underwriters for deferred underwriting commissions. The deferred fee will become payable to the underwriters from the amounts held in the Trust Account solely in the event that the Company completes a Business Combination, subject to the terms of the underwriting agreement.

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Risks and Uncertainties

The Company’s ability to complete an initial Business Combination may be adversely affected by various factors, many of which are beyond the Company’s control. The Company’s ability to consummate an initial Business Combination could be impacted by, among other things, changes in laws or regulations, downturns in the financial markets or in economic conditions, inflation, fluctuations in interest rates, increases in tariffs, supply chain disruptions, declines in consumer confidence and spending, public health considerations, and geopolitical instability, such as the military conflicts in Ukraine and the Middle East. The Company cannot at this time predict the likelihood of one or more of the above events, their duration or magnitude or the extent to which they may negatively impact the Company’s ability to complete an initial Business Combination.

NOTE 6 — SHAREHOLDERS’ DEFICIT

Preference Shares — The Company is authorized to issue 1,000,000 preference shares with such designations, voting and other rights and preferences as may be determined from time to time by the Company’s board of directors. As of March 31, 2026 and December 31, 2025, there were no preference shares issued or outstanding.

Class A Ordinary Shares—The Company is authorized to issue 200,000,000 Class A ordinary shares with a par value of $0.0001 per share. As of March 31, 2026 and December 31, 2025, there were 900,000 Class A ordinary shares issued and outstanding, excluding 46,000,000 shares subject to possible redemption.

Class B Ordinary Shares—The Company is authorized to issue 20,000,000 Class B ordinary shares with a par value of $0.0001 per share. As of March 31, 2026 and December 31, 2025, there were 11,500,000 Class B ordinary shares issued and outstanding.

Except as described below, ordinary shareholders of record are entitled to one vote for each share held on all matters to be voted on by shareholders and holders of Class A ordinary shares and holders of Class B ordinary shares will vote together as a single class on all matters submitted to a vote of the shareholders except as required by law. Unless otherwise specified in the amended and restated memorandum and articles of association, or as required by applicable provisions of the Companies Act or applicable stock exchange rules, the affirmative vote of a majority of the ordinary shares that are represented in person or by proxy and are voted is required to approve any such matter voted on by the shareholders. Approval of certain actions will require a special resolution under Cayman Islands law, being the affirmative vote of at least two-thirds of the votes cast by such shareholders as, being entitled to do so, vote in person or, where proxies are allowed, by proxy at the applicable general meeting of the company, and pursuant to the amended and restated memorandum and articles of association; such actions include amending the amended and restated memorandum and articles of association and approving a statutory merger or consolidation with another company. The board of directors is divided into three classes, each of which will generally serve for terms of three years with only one class of directors being elected in each year. There is no cumulative voting with respect to the appointment of directors, with the result that the holders of more than 50% of the shares entitled to vote and voted for the appointment of directors can elect all of the directors. The shareholders are entitled to receive ratable dividends when, as and if declared by the board of directors out of funds legally available therefor. Prior to the initial Business Combination, only holders of the Founder Shares will have the right to vote on the appointment of directors. Holders of the Public Shares will not be entitled to vote on the appointment of directors during such time. Incumbent directors shall also have the ability to appoint additional directors or to appoint replacement directors in the event of a casual vacancy in accordance with the amended and restated memorandum and articles of association. Further, prior to the closing of the Business Combination, only holders of the Class B ordinary shares will be entitled to vote on transferring the Company by way of continuation in a jurisdiction outside the Cayman Islands (including any special resolution required to amend the constitutional documents of the Company or to adopt new constitutional documents of the Company, in each case, as a result of the Company approving a transfer by way of continuation in a jurisdiction outside the Cayman Islands) and, as a result, the Sponsor will be able to approve any such proposal without the vote of any other shareholder. The provisions of the amended and restated memorandum and articles of association governing the appointment of directors prior to the Business Combination and the Company’s continuation in a jurisdiction outside the Cayman Islands prior to the initial Business Combination may only be amended by a special resolution passed by holders representing at least two-thirds of the Company’s outstanding Class B ordinary shares. Holders of the public shares will not be entitled to vote on a special resolution to amend such provisions of the amended and restated memorandum and articles of association during such period.

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Subject to adjustment for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like, and subject to further adjustment as provided herein, the Founder Shares, which are designated as Class B ordinary shares, will be convertible at the option of the holder on a one-for-one basis or will automatically convert into Class A ordinary shares (such Class A ordinary shares delivered upon conversion will not have any redemption rights or be entitled to liquidating distributions from the Trust Account if the Company fails to consummate an initial business combination) concurrently with or immediately following the consummation of the initial Business Combination a ratio such that the number of Class A ordinary shares issuable upon conversion of all Founder Shares (including, for the avoidance of doubt for purposes of the calculation described hereafter, the Class A ordinary shares that may have been issued upon conversion of Founder Shares at the option of the holder thereof prior to the consummation of the initial Business Combination) will equal, in the aggregate, on an as-converted basis, 20% of the sum of (i) the total number of ordinary shares issued and outstanding (excluding the Private Placement Shares included in the Private Placement Units and including any Class A ordinary share issued pursuant to the underwriter’s over-allotment option) upon consummation of the Initial Public Offering, plus (ii) the sum of the total number of Class A ordinary shares issued or deemed issued or issuable upon conversion or exercise of any equity-linked securities or rights issued or deemed issued, by the Company in connection with or in relation to the consummation of the initial Business Combination, excluding any Class A ordinary shares or equity-linked securities exercisable for or convertible into Class A ordinary shares issued, deemed issued, or to be issued, to any seller in the Business Combination and any private placement-equivalent units issued to the Sponsor, members of the management team or any of their affiliates upon conversion of working capital loans made to the Company. In no event will the Class B ordinary shares convert into Class A ordinary shares at a rate of less than one to one.

Warrants— As of March 31, 2026 and December 31, 2025, there were 9,380,000 Warrants outstanding, including 9,200,000 Public Warrants and 180,000 Private Placement Warrants. Public Warrants may only be exercised for a whole number of shares. No fractional Public Warrants will be issued upon separation of the Units and only whole Public Warrants will trade.

The Public Warrants will become exercisable 30 days after the completion of a Business Combination, provided in each case that the Company has an effective registration statement under the Securities Act covering the Class A ordinary shares issuable upon exercise of the Public Warrants and a current prospectus relating to them is available and such shares are registered, qualified or exempt from registration under the securities, or blue sky laws of the state of residence of the holder (or the Company permits holders to exercise their warrants on a cashless basis under certain circumstances). The Company is registering the Class A ordinary shares issuable upon exercise of the Public Warrants in the registration statement of the Initial Public Offering, in which the unaudited condensed financial statements are included, forms a part because the Public Warrants will become exercisable 30 days after the completion of a Business Combination, which may be within one year of the Initial Public Offering. However, because the Public Warrants will be exercisable until their expiration date of up to five years after the completion of the Business Combination, in order to comply with the requirements of Section 10(a)(3) of the Securities Act following the consummation of the Business Combination, the Company has agreed that as soon as practicable, but in no event later than 20 business days after the closing of the initial Business Combination, the Company will use commercially reasonable efforts to file with the SEC a registration statement covering the Class A ordinary shares issuable upon exercise of the warrants and to maintain a current prospectus relating to those Class A ordinary shares until the warrants expire or are redeemed, as specified in the warrant agreement. If a registration statement covering the Class A ordinary shares issuable upon exercise of the warrants is not effective by the 60th day after the closing of the initial Business Combination, warrant holders may, until such time as there is an effective registration statement and during any period when the Company will have failed to maintain an effective registration statement, exercise warrants on a “cashless basis” in accordance with Section 3(a)(9) of the Securities Act or another exemption. Notwithstanding the above, if the Class A ordinary shares are at the time of any exercise of a warrant not listed on a national securities exchange such that they satisfy the definition of a “covered security” under Section 18(b)(1) of the Securities Act, the Company may, at its option, require holders of Public Warrants who exercise their warrants to do so on a “cashless basis” and, in the event the Company so elects, the Company will not be required to file or maintain in effect a registration statement, and in the event the Company does not so elect, it will use commercially reasonable efforts to register or qualify the shares under applicable blue sky laws to the extent an exemption is not available.

The warrants have an exercise price of $11.50 per share, subject to adjustments, and will expire five years after the completion of a Business Combination or earlier upon redemption or liquidation. In addition, if (x) the Company issues additional Class A ordinary shares or equity-linked securities for capital raising purposes in connection with the closing of the initial Business Combination at an issue price or effective issue price of less than $9.20 per Class A ordinary share (with such issue price or effective issue price to be determined in good faith by the board of directors and, in the case of any such issuance to the Sponsor or its affiliates, without taking into account any Founder Shares held by the Sponsor or its affiliates, as applicable, prior to such issuance) (the “Newly Issued Price”), (y) the aggregate gross proceeds

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from such issuances represent more than 60% of the total equity proceeds, and interest thereon, available for the funding of the initial Business Combination on the date of the consummation of the initial Business Combination (net of redemptions), and (z) the volume weighted average trading price of Class A ordinary shares during the20-tradingday period starting on the trading day prior to the day on which the Company consummates its initial Business Combination (such price, the “Market Value”) is below $9.20 per share, then the exercise price of the warrants will be adjusted (to the nearest cent) to be equal to 115% of the higher of the Market Value and the Newly Issued Price, the $18.00 per share redemption trigger price will be adjusted (to the nearest cent) to be equal to 180% of the higher of the Market Value and the Newly Issued Price. See “—Redemption of warrants when the price per Class A ordinary share equals or exceeds $18.00” below).

The Private Placement Warrants are identical to the Public Warrants underlying the Units sold in the Initial Public Offering, except (i) that the Private Placement Warrants and the Class A ordinary shares issuable upon exercise of the Private Placement Warrants will not be transferable, assignable or salable until 30 days after the completion of a Business Combination, subject to certain limited exceptions, (ii) the Private Placement Warrants will be non-redeemable and (iii) the Private Placement Warrants will be exercisable on a cashless basis and have certain registration rights.

Redemption of warrants when the price per Class A ordinary shares equals or exceeds $18.00. Once the warrants become exercisable, the Company may redeem the outstanding warrants (except as described herein with respect to the Private Placement Warrants):

• in whole and not in part;

• at a price of $0.01 per warrant;

• upon a minimum of 30 days’ prior written notice of redemption, which we refer to as the30-dayredemption period; and

• if, and only if, the last reported sale price of the Class A ordinary shares equals or exceeds $18.00 per share (as adjusted) for any 20 trading days within a30-tradingday period ending on the third trading day prior to the date on which the Company sends the notice of redemption to the warrant holders.

The Company will not redeem the warrants as described above unless a registration statement under the Securities Act covering the issuance of the Class A ordinary shares issuable upon exercise of the warrants is then effective and a current prospectus relating to those Class A ordinary shares is available throughout the30-dayredemption period.

In no event will the Company be required to net cash settle any warrant. If the Company has not completed a Business Combination within the Combination Period and the Company liquidates the funds held in the Trust Account, holders of warrants will not receive any of such funds with respect to their warrants, nor will they receive any distribution from the Company’s assets held outside of the Trust Account with the respect to such warrants. Accordingly, the warrants may expire worthless.

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NOTE 7 — SEGMENT INFORMATION

ASC Topic 280, “Segment Reporting,” establishes standards for companies to report in their unaudited condensed financial statement information about operating segments, products, services, geographic areas, and major customers. Operating segments are defined as components of an enterprise that engage in business activities from which it may recognize revenues and incur expenses, and for which separate financial information is available that is regularly evaluated by the Company’s chief operating decision maker (“CODM”), or group, in deciding how to allocate resources and assess performance.

The Company’s CODM has been identified as the Chief Executive Officer, who reviews the assets, operating results, and financial metrics for the Company as a whole to make decisions about allocating resources and assessing financial performance. Accordingly, management has determined that there is only one reportable segment.

The CODM assesses performance for the single segment and decides how to allocate resources based on net income or loss that also is reported on the statement of operations as net income or loss. The measure of segment assets is reported on the unaudited condensed balance sheet as total assets. When evaluating the Company’s performance and making key decisions regarding resource allocation the CODM reviews the key metrics below.

	March 31, 2026		December 31, 2025
Cash	$	637,186	$	784,949
Interest-bearing Demand Deposits held in Trust Account	$	468,918,973	$	464,648,083

	For the Three Months Ended March 31, 2026		For the Period from March 24, 2025 (Inception) Through March 31, 2025
General and administrative expenses	$	257,724	$	20,608
Interest earned on interest-bearing demand deposits held in Trust Account	$	4,270,890	$	—

The CODM reviews interest earned on interest-bearing demand deposits held in Trust Account to measure and monitor shareholder value and determine the most effective strategy of investment with the Trust Account funds while maintaining compliance with the Trust Agreement.

General and administrative expenses are reviewed and monitored by the CODM to manage and forecast cash to ensure enough capital is available to complete the Proposed Public Offering and eventually a Business Combination within the business combination period. The CODM also reviews general and administrative expenses to manage, maintain and enforce all contractual agreements to ensure costs are aligned with all agreements and budget. General and administrative expenses, as reported on the statement of operations, are the significant segment expenses provided to the CODM on a regular basis.

NOTE 8 — SUBSEQUENT EVENTS

The Company evaluated subsequent events and transactions that occurred after the balance sheet date up to the date that the unaudited condensed financial statements were issued. Based upon this review, the Company did not identify any subsequent events that would have required adjustment or disclosure in the unaudited condensed financial statements.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

References in this report (the “Quarterly Report”) to “we,” “us” or the “Company” refer to Bain Capital GSS Investment Corp. References to our “management” or our “management team” refer to our officers and directors, and references to the “Sponsor” refer to Bain Capital GSS Investment Sponsor LLC. The following discussion and analysis of the Company’s financial condition and results of operations should be read in conjunction with the unaudited condensed financial statements and the notes thereto contained elsewhere in this Quarterly Report. Certain information contained in the discussion and analysis set forth below includes forward-looking statements that involve risks and uncertainties.

Special Note Regarding Forward-Looking Statements

This Quarterly Report includes “forward-looking statements” that are not historical facts and involve risks and uncertainties that could cause actual results to differ materially from those expected and projected. All statements, other than statements of historical fact included in this Quarterly Report including, without limitation, statements in this “Management’s Discussion and Analysis of Financial Condition and Results of Operations” regarding the Company’s financial position, business strategy and the plans and objectives of management for future operations, are forward-looking statements. Words such as “expect,” “believe,” “anticipate,” “intend,” “estimate,” “seek” and variations and similar words and expressions are intended to identify such forward-looking statements. Such forward-looking statements relate to future events or future performance, but reflect management’s current beliefs, based on information currently available. A number of factors could cause actual events, performance or results to differ materially from the events, performance and results discussed in the forward-looking statements. For information identifying important factors that could cause actual results to differ materially from those anticipated in the forward-looking statements, please refer to the Risk Factors section of the Company’s final prospectus for its Initial Public Offering (as defined below) filed with the U.S. Securities and Exchange Commission (the “SEC”). The Company’s securities filings can be accessed on the EDGAR section of the SEC’s website at www.sec.gov. Except as expressly required by applicable securities law, the Company disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise.

Overview

We are a newly organized blank check company incorporated on March 24, 2025 as a Cayman Islands exempted company formed for the purpose of effectuating an initial business combination. We intend to effectuate our initial business combination using cash from the proceeds of the initial public offering and the private placement of the Private Placement Units (as defined below), the proceeds of the sale of our shares in connection with our initial business combination (pursuant to forward purchase agreements or backstop agreements we may enter into following the consummation of the Initial Public Offering or otherwise), shares issued to the owners of the target, debt issued to bank or other lenders or the owners of the target, or a combination of the foregoing.

On October 1, 2025, we consummated our initial public offering of 46,000,000 units, which included the full exercise by the underwriter of its over-allotment option in the amount of 6,000,000 units, at $10.00 per unit, generating gross proceeds of $460,000,000. Simultaneously with the closing of the initial public offering, we consummated the sale of 900,000 Private Placement units, at a price of $10.00 per Private Placement unit, in a private placement to the sponsor, generating gross proceeds of $9,000,000.

We incurred transaction costs amounting to $23,835,700, consisting of $7,000,000 of cash underwriting fee (net of $1,000,000 underwriter’s reimbursement), $16,100,000 of deferred underwriting fee, and $735,700 of other offering costs.

Upon the closing of the initial public offering and the Private Placement, approximately $460.0 million ($10.00 per unit) of the net proceeds of the initial public offering and certain of the proceeds of the Private Placement were placed in a Trust Account, located in the United States with Continental Stock Transfer & Trust Company acting as trustee, and will be invested only in United States “government securities” within the meaning of Section 2(a)(16) of the Investment Company Act, having a maturity of 185 days or less or in money market funds meeting certain conditions under Rule 2a-7 promulgated under the Investment Company Act which invests only in direct U.S. government treasury obligations, as determined by us, until the earlier of: (i) the completion of a business combination and (ii) the distribution of the Trust Account as described below.

Our management has broad discretion with respect to the specific application of the net proceeds of the initial public offering and the sale of private placement units, although substantially all of the net proceeds are intended to be applied generally toward consummating a Business Combination. There is no assurance that we will be able to complete a Business Combination successfully.

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We must complete one or more initial Business Combinations having an aggregate fair market value of at least 80% of the net assets held in the Trust Account (excluding the deferred underwriting commissions and taxes payable on the interest earned on the Trust Account) at the time of the signing of the agreement to enter into the initial Business Combination. However, we will only complete a Business Combination if the post-transaction company owns or acquires 50% or more of the outstanding voting securities of the prospective partner company or otherwise acquires a controlling interest in the prospective party company sufficient for it not to be required to register as an investment company under the Investment Company Act.

If we are unable to complete a Business Combination within the Combination Period, we will (i) cease all operations except for the purpose of winding up; (ii) as promptly as reasonably possible but not more than ten business days thereafter, redeem the Public Shares, at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to us to pay our income taxes, if any (less up to $100,000 of interest to pay dissolution expenses) divided by the number of the then-outstanding Public Shares, which redemption will completely extinguish public shareholders’ rights as shareholders (including the right to receive further liquidation distributions, if any); and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the remaining shareholders and the board of directors, liquidate and dissolve, subject in the case of clauses (ii) and (iii), to our obligations under Cayman Islands law to provide for claims of creditors and the requirements of other applicable law. There will be no redemption rights or liquidating distributions with respect to our warrants, which will expire worthless if we fail to consummate a Business Combination within the Combination Period.

As of March 31, 2026, we held cash of $637,186, cash held in Trust Account of $468,918,973, and current liabilities of $401,797. Further, we expect to continue to incur significant costs in the pursuit of our initial business combination. We cannot assure you that our plans to complete an initial business combination will be successful.

Results of Operations

We have neither engaged in any operations nor generated any operating revenues to date. Our only activities from March 24, 2025 (inception) through March 31, 2026 were organizational activities and identifying and evaluating a target company for a business combination. We do not expect to generate any operating revenues until after the completion of our initial business combination. We will generate non-operating income in the form of interest and dividend income on cash and investments held after the Initial Public Offering. We incur expenses as a result of being a public company (for legal, financial reporting, accounting and auditing compliance), as well as for due diligence.

For the three months ended March 31, 2026 we had a net income of $4,013,166 which consists of interest earned on interest bearing demand deposits held in Trust Account of $4,270,890, offset by general and administrative costs of $257,724.

For the period from March 24, 2025 (inception) through March 30, 2025, we had a net loss of $20,608, which consists of general and administrative costs.

Liquidity and Capital Resources

Until the consummation of the initial public offering, our only source of liquidity was an initial purchase of shares of Class B ordinary shares, par value $0.0001 per share (the “Founder Shares”), by the Sponsor, and loans from the Sponsor, which were repaid at the closing of the initial public offering. As of March 31, 2026, we had $637,186 in cash and working capital surplus of $514,678 .

On October 1, 2025, we consummated the Initial Public Offering of 46,000,000 Units, which includes the full exercise by the underwriters of their over-allotment option in the amount of 6,000,000 Units, at $10.00 per Unit, generating gross proceeds of $460,000,000. Simultaneously with the closing of the Initial Public Offering, we consummated the sale of 900,000 Private Placement Units, at a price of $10.00 per Private Placement Unit, in a private placement to the Sponsor, generating gross proceeds of $9,000,000.

Following closing of the initial public offering, and the sale of the Private Placement units, a total of $460,000,000 was placed in the Trust Account. We incurred transaction costs amounting to $23,835,700, consisting of $7,000,000 of cash underwriting fee (net of $1,000,000 underwriter’s reimbursement), $16,100,000 of deferred underwriting fee, and $735,700 of other offering costs.

For the three months ended March 31, 2026, net cash used in operating activities was $143,262. Net income of $4,013,166 was offset by interest earned from the interest-bearing demand deposit account of $4,270,890 and changes in operating assets and liabilities, which used $114,462 of cash from operating activities.

For the period from March 24, 2025 (inception) through March 31, 2025, net cash used in operating activities was $0. Net loss of $20,608 and changes in operating assets and liabilities, which used $20,608 of cash from operating activities.

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As of March 31, 2026, we had cash held in Trust Account of $468,918,973 to be invested only in U.S. government treasury obligations with a maturity of 185 days or less or in money market funds meeting certain conditions under Rule 2a-7 under the Investment Company Act which invest only in direct U.S. government treasury obligations and/or held as cash or cash items (including in demand deposit accounts). We may withdraw interest from the Trust Account to pay taxes, if any. We intend to use substantially all of the funds held in the Trust Account, including any amounts representing interest earned on the Trust Account (less income taxes payable), to complete our Business Combination. To the extent that our share capital or debt is used, in whole or in part, as consideration to complete our Business Combination, the remaining proceeds held in the Trust Account will be used as working capital to finance the operations of the target business or businesses, make other acquisitions and pursue our growth strategies.

As of March 31, 2026, we had cash of $637,186. We intend to use the funds held outside the Trust Account primarily to identify and evaluate target businesses, perform business due diligence on prospective target businesses, travel to and from the offices, plants or similar locations of prospective target businesses or their representatives or owners, review corporate documents and material agreements of prospective target businesses, and structure, negotiate and complete a Business Combination.

In order to fund working capital deficiencies or finance transaction costs in connection with an intended initial business combination, our sponsor or an affiliate of our sponsor or certain of our officers and directors may, but are not obligated to, loan us funds as may be required. If we complete our initial business combination, we may repay such loaned amounts. In the event that our initial business combination does not close, we may use a portion of the working capital held outside the Trust Account to repay such loaned amounts but no proceeds from our Trust Account would be used for such repayment. Up to $1,500,000 of such loans may be convertible into units of the post-business combination company at a price of $10.00 per unit at the option of the lender. The units would be identical to the Private Placement units. The terms of such loans, if any, have not been determined and no written agreements exist with respect to such loans. Prior to the completion of our initial business combination, we do not expect to seek loans from parties other than our sponsor, members of our management team or any of their affiliates as we do not believe third parties will be willing to loan such funds and provide a waiver against any and all rights to seek access to funds in our Trust Account.

In connection with the Company’s assessment of going concern considerations in accordance with Accounting Standards Codification (“ASC”) 205-40, “Financial Presentation-Going Concern,” management has determined that the Company currently lacks the liquidity it needs to sustain operations for a reasonable period of time, which is considered to be at least one year from the date that the audited financial statements are issued as it expects to continue to incur significant costs in pursuit of its acquisition plans. These conditions raise substantial doubt about the Company’s ability to continue as a going concern. Management plans to address this uncertainty through a Business Combination. There is no assurance that the Company’s plans to raise capital or to consummate a Business Combination will be successful within the Combination Period.

Off-Balance Sheet Arrangements

We did not have any off-balance sheet arrangements as of March 31, 2026.

Contractual Obligations

We do not have any long-term debt, capital lease obligations, operating lease obligations or long-term liabilities, other than an agreement to pay the Sponsor $20,000 per month for office space, secretarial and administrative services.

The underwriters were paid a cash underwriting discount of $0.20 per Unit, or $8,000,000 in the aggregate, upon the closing of the Initial Public Offering excluding the units issued pursuant to the full exercise of the over-allotment option. The underwriters paid the Company an aggregate amount of $1,000,000 at the closing of the Initial Public Offering as reimbursement to the Company for certain of its expenses and fees incurred in connection with the Initial Public Offering. In addition, $0.35 per unit, or $16,100,000 in the aggregate will be payable to the underwriters for deferred underwriting commissions. The deferred fee will become payable to the underwriters from the amounts held in the Trust Account solely in the event that we complete a Business Combination, subject to the terms of the underwriting agreement.

Critical Accounting Policies

The preparation of condensed financial statements and related disclosures in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and income and expenses during the periods reported. Making estimates requires management to exercise significant judgement. It is at least reasonably possible that the estimate of the effect of a condition, situation or set of circumstances that existed at the date of the financial statements, which management considered in formulating its estimate, could change in the near term due to one or more future confirming events. Accordingly, the actual results could materially differ from those estimates. As of March 31, 2026, we have identified the valuation of Founder Shares that will be issued in relation to the consummation of a Business Combination as a critical accounting estimate.

Item 3. Quantitative and Qualitative Disclosures Regarding Market Risk

This item is not applicable as we are a smaller reporting company.

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Item 4. Controls and Procedures

Disclosure controls and procedures are controls and other procedures that are designed to ensure that information required to be disclosed in our reports filed or submitted under Securities Exchange Act of 1934, as amended (the “Exchange Act”) is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed in our reports filed or submitted under the Exchange Act is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding required disclosure.

Evaluation of Disclosure Controls and Procedures

As required by Rules 13a-15 and 15d-15 under the Exchange Act, our Chief Executive Officer and Chief Financial Officer carried out an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures as of March 31, 2026. Based upon their evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures (as defined in Rules 13a-15 (e) and 15d-15 (e) under the Exchange Act) were effective.

Management Report on Internal Controls Over Financial Reporting

This Quarterly Report does not include a report of management’s assessment regarding internal control over financial reporting or an attestation report of our independent registered public accounting firm due to a transition period established by rules of the SEC for newly public companies.

Changes in Internal Control Over Financial Reporting

During the most recently completed fiscal quarter, there has been no change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II - OTHER INFORMATION

Item 1. Legal Proceedings

None

Item 1A. Risk Factors

Factors that could cause our actual results to differ materially from those in this Quarterly Report are any of the risks described in our final prospectus filed with the SEC on March 20, 2026. Any of these factors could result in a significant or material adverse effect on our results of operations or financial condition. Additional risk factors not presently known to us or that we currently deem immaterial may also impair our business or results of operations. As of the date of this Quarterly Report, there have been no material changes to the risk factors disclosed in such final prospectus.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

On October 1, 2025, we consummated the Initial Public Offering of 46,000,000 Units, which includes the full exercise by the underwriters of their over-allotment option in the amount of 6,000,000 Units, at $10.00 per Unit, generating gross proceeds of $460,000,000. The securities sold in the offering were registered under the Securities Act on registration statement on Form S-1 (No. 333-290126). The SEC declared the registration statement effective on September 29, 2025.

Simultaneously with the closing of the Initial Public Offering, we consummated the sale of 900,000 Private Placement Units, at a price of $10.00 per Private Placement Unit, in a private placement to the Sponsor, generating gross proceeds of $9,000,000.

Of the gross proceeds received from the Initial Public Offering and the Private Placement, an aggregate of $460,000,000 was placed in the Trust Account. The proceeds held in the Trust Account may be invested by the trustee only in U.S. government securities with a maturity of 185 days or less or in money market funds investing solely in U.S. government treasury obligations and meeting certain conditions under Rule 2a-7 under the Investment Company Act. The specific investments in our Trust Account may change from time to time.

Transaction costs amounted to $23,835,700, consisting of $7,000,000 of cash underwriting fee (net of $1,000,000 underwriters’ reimbursement), $16,100,000 of deferred underwriting fee, and $735,700 of other offering costs.

Item 3. Defaults Upon Senior Securities

None

Item 4. Mine Safety Disclosures

None

Item 5. Other Information

None

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Item 6. Exhibits

The following exhibits are filed as part of, or incorporated by reference into, this Quarterly Report on Form 10-Q.

No.	Description of Exhibit
31.1*	Certification of Principal Executive Officer Pursuant to Securities Exchange Act Rules 13a-14(a), as adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Principal Financial Officer Pursuant to Securities Exchange Act Rules 13a-14(a), as adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1*	Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2*	Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS*	XBRL Instance Document
101.SCH*	XBRL Taxonomy Extension Schema Document
101.CAL*	XBRL Taxonomy Extension Calculation Link base Document
101.DEF*	XBRL Taxonomy Extension Definition link base Document
101.LAB*	XBRL Taxonomy Extension Labels linkable Document
101.PRE*	XBRL Taxonomy Extension Presentation Link base Document

* Filed herewith (or furnished herewith in the case of exhibits 32.1 and 32.2).

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SIGNATURES

In accordance with the requirements of the Exchange Act, the registrant caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	BAIN CAPITAL GSS INVESTMENT CORP.
Date: May 14, 2026	By:	/s/ Angelo Rufino
	Name:	Angelo Rufino
	Title:	Chief Executive Officer (Principal Executive Officer)

Date: May 14, 2026	By:	/s/ Patrick Dury
	Name:	Patrick Dury
	Title:	Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)

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EX-31.1

EXHIBIT 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO RULE 13A-14(A) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Angelo Rufino, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Bain Capital GSS Investment Corp.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under my supervision, to ensure that material information relating to the registrant, is made known to us by others within those entities, particularly during the period in which this report is being prepared; and

b) (Paragraph omitted pursuant to Exchange Act Rules 13a-14(a) and 15d-15(a);

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report my conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 14, 2026

/s/ Angelo Rufino

Angelo Rufino

Chief Executive Officer

(Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13A-14(A) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Patrick Dury, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Bain Capital GSS Investment Corp.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under my supervision, to ensure that material information relating to the registrant, is made known to us by others within those entities, particularly during the period in which this report is being prepared; and

b) (Paragraph omitted pursuant to Exchange Act Rules 13a-14(a) and 15d-15(a);

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report my conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 14, 2026

/s/ Patrick Dury

Patrick Dury

Chief Financial Officer

(Principal Financial Officer and Principal Accounting Officer)

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Bain Capital GSS Investment Corp. (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2026, as filed with the Securities and Exchange Commission (the “Report”), I, Angelo Rufino, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: May 14, 2026

/s/ Angelo Rufino

Angelo Rufino

Chief Executive Officer

(Principal Executive Officer)

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Bain Capital GSS Investment Corp. (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2026, as filed with the Securities and Exchange Commission (the “Report”), I, Patrick Dury, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: May 14, 2026

/s/ Patrick Dury

Patrick Dury

Chief Financial Officer

(Principal Financial Officer and Principal Accounting Officer)

XML

Cover - shares	3 Months Ended
	Mar. 31, 2026	May 11, 2026
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2026
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q1
Entity File Number	001-42874
Entity Central Index Key	0002064355
Amendment Flag	false
Entity Registrant Name	Bain Capital GSS Investment Corp.
Entity Tax Identification Number	98-1853296
Entity Incorporation, State or Country Code	E9
Current Fiscal Year End Date	--12-31
Entity Address, Address Line One	200 Clarendon Street
Entity Address, City or Town	Boston
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02116
Country Region	+1
City Area Code	617
Local Phone Number	516-2000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	true
Class A Ordinary Share Redeemable Warrant [Member]
Document Information [Line Items]
Trading Symbol	BCSS.U
Title of 12(b) Security	Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-fifth of one redeemable warrant
Security Exchange Name	NYSE
Class A Ordinary Shares [Member]
Document Information [Line Items]
Trading Symbol	BCSS
Entity Common Stock, Shares Outstanding		46,900,000
Title of 12(b) Security	Class A ordinary shares included as part of the units
Security Exchange Name	NYSE
Class A Ordinary Share Whole Exercise Price [Member]
Document Information [Line Items]
Trading Symbol	BCSS.W
Title of 12(b) Security	Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Security Exchange Name	NYSE
Class B Ordinary Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		11,500,000

XML

Condensed Balance Sheets - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash	$ 637,186	$ 784,949
Prepaid expenses	295,039	238,589
Total current assets	932,225	1,023,538
Long Term prepaid insurance	112,650	168,975
Interest-bearing Demand Deposits held in Trust Account	468,918,973	464,648,083
Total Assets	469,963,848	465,840,596
Current liabilities:
Accrued offering costs	85,000	89,501
Accrued expenses	316,797	202,210
Total current liabilities	401,797	291,711
Deferred underwriting fee	16,100,000	16,100,000
Total Liabilities	16,501,797	16,391,711
Commitments and Contingencies
Shareholders' Deficit:
Preference shares, $0.0001 par value; 1,000,000 shares authorized; none issued or outstanding at March 31, 2026 and December 31, 2025	0	0
Additional paid-in capital	0	0
Accumulated deficit	(15,458,162)	(15,200,438)
Total Shareholders' Deficit	(15,456,922)	(15,199,198)
Total Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders' Deficit	469,963,848	465,840,596
Common Class A [Member]
Current liabilities:
Class A ordinary shares subject to possible redemption, $0.0001 par value; 46,000,000 shares at redemption value of $10.19 and 10.10 per share at March 31, 2026 and December 31, 2025, respectively	468,918,973	464,648,083
Shareholders' Deficit:
Common Stock	90	90
Common Class B [Member]
Shareholders' Deficit:
Common Stock	$ 1,150	$ 1,150

XML

Condensed Balance Sheets (Paranthetical) - $ / shares	Mar. 31, 2026	Dec. 31, 2025
Preferred shares [Member]
Preferred stock, par or stated value per share	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Class A ordinary share [Member]
Temporary Equity, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Temporary equity, shares issued	46,000,000	46,000,000
Temporary Equity, Redemption Price Per Share	$ 10.19	$ 10.1
Class A ordinary share [Member] | Ordinary shares [Member]
Common stock, par or stated value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares, issued	900,000	900,000
Common stock, shares, outstanding	900,000	900,000
Temporary equity, shares issued	46,000,000	46,000,000
Class B ordinary share [Member] | Ordinary shares [Member]
Common stock, par or stated value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares, issued	11,500,000	11,500,000
Common stock, shares, outstanding	11,500,000	11,500,000

XML

Condensed Statements Of Operations - USD ($)			3 Months Ended
		Mar. 31, 2025	Mar. 31, 2026
General and administrative costs		$ 20,608	$ 257,724
Loss from operations		(20,608)	(257,724)
Interest earned on interest-bearing demand deposits held in Trust Account		0	4,270,890
Total other income		0	4,270,890
Net income (loss)		$ (20,608)	$ 4,013,166
Class A Ordinary Shares [Member]
Weighted average class A ordinary shares outstanding, basic		0	46,900,000
Weighted average class A ordinary shares outstanding, diluted		0	46,900,000
Net income per Class A ordinary share, basic		$ 0	$ 0.07
Net income per Class A ordinary share, Diluted		$ 0	$ 0.07
Weighted average class B ordinary shares outstanding, basic		0	46,900,000
Weighted average class B ordinary shares outstanding, diluted		0	46,900,000
Net income (loss) per Class B ordinary share, basic		$ 0	$ 0.07
Net income (loss) per Class B ordinary share, Diluted		$ 0	$ 0.07
Class B Ordinary Shares [Member]
Weighted average class A ordinary shares outstanding, basic	[1]	10,000,000	11,500,000
Weighted average class A ordinary shares outstanding, diluted	[1]	10,000,000	11,500,000
Net income per Class A ordinary share, basic		$ 0	$ 0.07
Net income per Class A ordinary share, Diluted		$ 0	$ 0.07
Weighted average class B ordinary shares outstanding, basic	[1]	10,000,000	11,500,000
Weighted average class B ordinary shares outstanding, diluted	[1]	10,000,000	11,500,000
Net income (loss) per Class B ordinary share, basic		$ 0	$ 0.07
Net income (loss) per Class B ordinary share, Diluted		$ 0	$ 0.07

[1] Prior to the Initial Public Offering, 1,500,000 Class B ordinary shares were subject to forfeiture depending on the extent to which the underwriter exercised its over-allotment option and were therefore excluded from certain share calculations where applicable. On October 1, 2025, the underwriters exercised the over-allotment option in full in connection with the closing of the Initial Public Offering, and accordingly, such Founder Shares are no longer subject to forfeiture (see Note 4).

XML

Condensed Statements Of Operations (Paranthetical)	Mar. 31, 2026 shares
Ordinary shares [Member]
Common stock subject to forfeiture	1,500,000

XML

Condensed Statements of Changes in Shareholders' Deficit - USD ($)		Total	Ordinary shares [Member] Class A ordinary share [Member]	Ordinary shares [Member] Class B ordinary share [Member]		Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Beginning balance, shares at Mar. 23, 2025			0	0	[1]
Beginning balance, amount at Mar. 23, 2025		$ 0	$ 0	$ 0	[1]	$ 0	$ 0
Issuance of Class B ordinary shares to Sponsor, shares	[1]			11,500,000
Issuance of Class B ordinary shares to Sponsor, amount		25,000		$ 1,150	[1]	23,850
Net Income (Loss)		(20,608)					(20,608)
Ending balance, shares at Mar. 31, 2025			0	11,500,000	[1]
Ending balance, amount at Mar. 31, 2025		4,392	$ 0	$ 1,150	[1]	23,850	(20,608)
Beginning balance, shares at Mar. 23, 2025			0	0	[1]
Beginning balance, amount at Mar. 23, 2025		0	$ 0	$ 0	[1]	0	0
Accretion of carrying value to redemption value		(31,348,443)
Ending balance, shares at Dec. 31, 2025			900,000	11,500,000
Ending balance, amount at Dec. 31, 2025		(15,199,198)	$ 90	$ 1,150		0	(15,200,438)
Accretion of carrying value to redemption value		(4,270,890)					(4,270,890)
Net Income (Loss)		4,013,166					4,013,166
Ending balance, shares at Mar. 31, 2026			900,000	11,500,000
Ending balance, amount at Mar. 31, 2026		$ (15,456,922)	$ 90	$ 1,150		$ 0	$ (15,458,162)

[1] Included up to 1,500,000 Class B ordinary shares subject to forfeiture if the over-allotment option was not exercised in full or in part by the underwriters. Subsequently, on October 1, 2025, the underwriters exercised their over-allotment option in full as part of the closing of the Initial Public Offering. As such, the 1,500,000 Founder Shares are no longer subject to forfeiture (see Note 4).

XML

Condensed Statements of Changes in Shareholders' Deficit (Parenthetical)	Oct. 01, 2025 shares
Common Stock [Member]
Common stock share no longer subject to forfeiture	1,500,000

XML

Condensed Statements of Cash Flows - USD ($)		3 Months Ended
	Mar. 31, 2025	Mar. 31, 2026
Cash Flows from Operating Activities:
Net income (loss)	$ (20,608)	$ 4,013,166
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Interest earned on interest-bearing demand deposits held in Trust Account	0	(4,270,890)
Changes in operating assets and liabilities:
Prepaid expenses	0	(56,450)
Long Term prepaid insurance	0	56,325
Accrued expenses	20,608	114,587
Net cash used in operating activities	0	(143,262)
Cash Flows from Financing Activities:
Payment of offering costs	0	(4,501)
Net cash used in financing activities	0	(4,501)
Net change in cash	0	(147,763)
Cash – beginning of the period	0	784,949
Cash – end of the period	0	637,186
Supplemental disclosure of noncash investing and financing activities:
Prepaid expenses paid by Sponsor through issuance of Class B ordinary shares	25,000	0
Deferred offering costs included in accrued offering costs	$ 55,325	$ 0

XML

Pay vs Performance Disclosure - USD ($)		3 Months Ended
	Mar. 31, 2025	Mar. 31, 2026
Pay vs Performance Disclosure
Net Income (Loss)	$ (20,608)	$ 4,013,166

XML

Insider Trading Arrangements	3 Months Ended
	Mar. 31, 2026
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

XML

Description of Organization and Business Operations

3 Months Ended

Mar. 31, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Organization and Business Operations

Note 1 — Description of Organization and Business Operations

Bain Capital GSS Investment Corp. (the “Company”) is a newly organized blank check company incorporated as a Cayman Islands exempted company and formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses or entities (the “Business Combination”). The Company has not selected any specific Business Combination target and the Company has not, nor has anyone on its behalf, engaged in any substantive discussions, directly or indirectly, with any Business Combination target with respect to an initial Business Combination with the Company. The Company is an emerging growth company and, as such, the Company is subject to all of the risks associated with emerging growth companies.

As of March 31, 2026, the Company had not commenced any operations. All activity for the period from March 24, 2025 (inception) through March 31, 2026 relates to the Company’s formation, initial public offering (the “Initial Public Offering”), which is described below, and subsequent to the Initial Public Offering, identifying a target company for a Business Combination. The Company will not generate any operating revenues until after the completion of its initial Business Combination, at the earliest. The Company will generate non-operating income in the form of interest income on the proceeds derived from the Initial Public Offering. The Company has selected December 31 as its fiscal year end.

The registration statement for the Company’s Initial Public Offering was declared effective on September 29, 2025. On October 1, 2025, the Company consummated the Initial Public Offering of 46,000,000 units (the “Units” and, with respect to the Class A ordinary shares included in the Units being offered, the “Public Shares”), which includes the full exercise by the underwriters of their over-allotment option in the amount of 6,000,000 Units, at $10.00 per Unit, generating gross proceeds of $460,000,000. Each Unit consists of one Class A ordinary share and one-fifth of one redeemable warrant (each, a “Public Warrant”).

Simultaneously with the closing of the Initial Public Offering, the Company consummated the sale of 900,000 units (the “Private Placement Units”) at a price of $10.00 per Private Placement Unit, in a private placement (the “Private Placement”) to the Company’s sponsor, Bain Capital GSS Investment Sponsor LLC (the “Sponsor”), generating gross proceeds of $9,000,000. Each Private Placement Unit consists of one Class A ordinary share and one-fifth of one redeemable warrant (the “Private Placement Warrants” and together with the Public Warrants, the “Warrants”). Each whole Warrant entitles the holder to purchase one Class A ordinary share at a price of $11.50 per share, subject to adjustment.

Transaction costs amounted to $23,835,700, consisting of $7,000,000 of cash underwriting fees (net of $1,000,000 underwriter’s reimbursement), $16,100,000 of deferred underwriting fees, and $735,700 of other offering costs.

The Company’s management has broad discretion with respect to the specific application of the net proceeds of the Initial Public Offering and the sale of Private Placement Units, although substantially all of the net proceeds are intended to be applied generally toward consummating a Business Combination. There is no assurance that the Company will be able to complete a Business Combination successfully. The Company must complete one or more initial Business Combinations having an aggregate fair market value of at least 80% of the net assets held in the Trust Account (as defined below) (excluding the amount of deferred underwriting commissions and taxes payable on the interest earned on the Trust Account) at the time of the signing of the agreement to enter into the initial Business Combination. However, the Company will only complete a Business Combination if the post-transaction company owns or acquires 50% or more of the outstanding voting securities of the target or otherwise acquires a controlling interest in the target sufficient for it not to be required to register as an investment company under the Investment Company Act of 1940, as amended (the “Investment Company Act”).

Following the closing of the Initial Public Offering, on October 1, 2025, an amount of $460,000,000 ($10.00 per Unit) from the net proceeds of the sale of the Units and the Private Placement Units was placed in the trust account (the “Trust Account”), located in the United States, with Continental Stock Transfer & Trust Company acting as trustee, and may only be held in cash, including in demand Section 2(a)(16) of the Investment Company Act having a maturity of 185 days or less or in money market funds meeting certain conditions under Rule 2a-7 promulgated under the Investment Company Act which invest only in direct U.S. government treasury obligations, until the earlier of: (i) the completion of a Business Combination and (ii) the distribution of the Trust Account as described below.

The Company will provide the holders (the “Public Shareholders”) of Public Units, with the opportunity to redeem all or a portion of their Public Shares upon the completion of a Business Combination either (i) in connection with a shareholder meeting called to approve the Business Combination or (ii) by means of a tender offer. The decision as to whether the Company will seek shareholder approval of a Business Combination or conduct a tender offer will be made by the Company, solely in its discretion. The Public Shareholders will be entitled to redeem their Public Shares for a pro rata portion of the amount then held in the Trust Account (initially invested at $10.00 per Public Share, plus any pro rata interest earned on the funds held in the Trust Account and not previously released to the Company for Permitted Withdrawals (as defined below)). The per-share amount to be distributed to Public Shareholders who redeem their Public Shares will not be reduced by the deferred underwriting commissions the Company will pay to the underwriters (as discussed in Note 5).

Upon the public announcement of the initial Business Combination, if the Company elects to conduct redemptions pursuant to the tender offer rules, the Company and the Sponsor will terminate any plan established in accordance with Rule 10b5-1 to purchase the Class A ordinary shares in the open market, in order to comply with Rule 14e-5 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). In the event the Company conducts redemptions pursuant to the tender offer rules, the offer to redeem will remain open for at least 20 business days, in accordance with Rule14e-1(a) under the Exchange Act, and the Company will not be permitted to complete the initial Business Combination until the expiration of the tender offer period. In addition, the tender offer will be conditioned on public shareholders not tendering more than the number of public shares the Company is permitted to redeem. If public shareholders tender more shares than the Company has offered to purchase, the Company will withdraw the tender offer and not complete such initial Business Combination.

Notwithstanding the foregoing, if the Company seeks shareholder approval of its Business Combination and does not conduct redemptions in connection with its Business Combination pursuant to the tender offer rules, the Amended and Restated Memorandum and Articles of Association will provide that a Public Shareholder, together with any affiliate of such shareholder or any other person with whom such shareholder is acting in concert or as a “group” (as defined under Section 13 of the Exchange Act), will be restricted from redeeming its Public Shares with respect to more than an aggregate of 15% of the Public Shares issued in the Initial Public Offering, without the prior consent of the Company.

The Sponsor and the Company’s officers and directors (the “initial shareholders”) have agreed not to propose an amendment to the Amended and Restated Memorandum and Articles of Association (a) that would modify the substance or timing of the Company’s obligation to provide holders of its Public Shares the right to have their shares redeemed or repurchased in connection with a Business Combination or to redeem 100% of the Company’s Public Shares if the Company does not complete its Business Combination within 24 months (or 27 months from the closing of the Initial Public Offering if the Company has executed a letter of intent, agreement in principle or definitive agreement for the initial Business Combination within 24 months from the closing of the Initial Public Offering) from the closing of the Initial Public Offering (the “Combination Period”) or (b) with respect to any other provision relating to the rights of Public Shareholders, unless the Company provides the Public Shareholders with the opportunity to redeem their Class A ordinary shares in conjunction with any such amendment at aper-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously withdrawn or eligible to be withdrawn by the Company to pay the Company’s taxes, excluding the 1% U.S. federal excise tax that was implemented by the Inflation Reduction Act of 2022 (“Permitted Withdrawals”), divided by the number of the then-outstanding Public Shares.

If the Company has not completed a Business Combination within the Combination Period, the Company will (i) cease all operations except for the purpose of winding up; (ii) as promptly as reasonably possible but not more than ten business days thereafter, redeem the Public Shares, at aper-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to the Company for Permitted Withdrawals (less up to $100,000 of interest to pay dissolution expenses), divided by the number of the then-outstanding Public Shares, which redemption will completely extinguish Public Shareholders’ rights as shareholders (including the right to receive further liquidation distributions, if any); and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the remaining shareholders and the board of directors, liquidate and dissolve, subject in the case of clauses (ii) and (iii) to the Company’s obligations under Cayman Islands law to provide for claims of creditors and the requirements of other applicable law. There will be no redemption rights or liquidating distributions with respect to the Company’s warrants, which will expire worthless if the Company does not consummate an initial Business Combination within 24 months from the closing of the Initial Public Offering.

The ordinary shares subject to redemption were recorded at a redemption value and classified as temporary equity upon the completion of the Initial Public Offering, in accordance with Financial Accounting Standards Board’s (“FASB”) Accounting Standards Codification (“ASC”) Topic 480, “Distinguishing Liabilities from Equity.”

The initial shareholders have agreed to waive their liquidation rights with respect to the Founder Shares and Private Placement Shares included in the Private Placement Units if the Company fails to complete a Business Combination within the Combination Period. However, if the initial shareholders acquire Public Shares in or after the Initial Public Offering, they will be entitled to liquidating distributions from the Trust Account with respect to such Public Shares if the Company fails to complete a Business Combination within the Combination Period. The underwriters have agreed to waive their rights to their deferred underwriting commission (see Note 5) held in the Trust Account in the event the Company does not complete a Business Combination within the Combination Period and, in such event, such amounts will be included with the other funds held in the Trust Account that will be available to fund the redemption of the Public Shares.

In the event of such distribution, it is possible that the per share value of the assets remaining available for distribution (including Trust Account assets) will be only $10.00 per share initially held in the Trust Account. In order to protect the amounts held in the Trust Account, the Sponsor has agreed to be liable to the Company if and to the extent any claims by a third party (excluding the Company’s independent registered public accounting firm) for services rendered or products sold to the Company, or a prospective target business with which the Company has entered into a written letter of intent, confidentially or other similar agreement or Business Combination agreement, reduce the amount of funds in the Trust Account to below the lesser of (i) $10.00 per Public Share and (ii) the actual amount per Public Share held in the Trust Account as of the date of the liquidation of the Trust Account if less than $10.00 per Public Share due to reductions in the value of the trust assets. This liability will not apply with respect to any claims by a third party who executed a waiver of any right, title, interest or claim of any kind in or to any monies held in the Trust Account or to any claims under the Company’s indemnity of the underwriters of the Initial Public Offering against certain liabilities, including liabilities under the Securities Act of 1933, as amended (the “Securities Act”).

Moreover, in the event that an executed waiver is deemed to be unenforceable against a third party, the Sponsor will not be responsible to the extent of any liability for such third-party claims. The Sponsor has not made reserves for such indemnification obligations, nor has the Company independently verified whether the Sponsor has sufficient funds to satisfy its indemnity obligations, and the Company believes that the Sponsor’s only assets are securities of the Company. Therefore, the Sponsor may not be able to satisfy those obligations. The Company will seek to reduce the possibility that the Sponsor will have to indemnify the Trust Account due to claims of creditors by endeavoring to have all vendors, service providers (excluding the Company’s independent registered public accounting firm), prospective target businesses or other entities with which the Company does business, execute agreements with the Company waiving any right, title, interest or claim of any kind in or to monies held in the Trust Account.

XML

Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2026

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

NOTE 2 — SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying unaudited condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and in accordance with the instructions to Form 10-Q and Article 8 of Regulation S-X of the U.S. Securities and Exchange Commission (“SEC”). Certain information or footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted, pursuant to the rules and regulations of the SEC for interim financial reporting. Accordingly, they do not include all the information and footnotes necessary for a complete presentation of financial position, results of operations, or cash flows. In the opinion of management, the accompanying unaudited condensed financial statements include all adjustments, consisting of a normal recurring nature, which are necessary for a fair presentation of the financial position, operating results and cash flows for the periods presented.

The accompanying unaudited condensed financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for the period ended December 31, 2025, as filed with the SEC on March 20, 2026. The interim results for the three months ended March 31, 2026 and the period from March 24, 2025 (inception) through March 31, 2025, are not necessarily indicative of the results to be expected for the year ending December 31, 2026 or for any future periods.

Liquidity and Going Concern

The Company’s liquidity needs up to March 31, 2026 had been satisfied through the loan under an unsecured promissory note from the Sponsor of up to $300,000. On October 1, 2025, the Company repaid the total outstanding balance of the Promissory Note amounting to $212,377 (see Note 4). As of March 31, 2026, the Company had cash of $637,186 and working capital of $530,428.

In order to fund working capital deficiencies or finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but is not obligated to, loan the Company funds as may be required (the “Working Capital Loans”). If the Company completes a Business Combination, the Company would repay such loaned amounts at that time. Up to $1,500,000 of such Working Capital Loans may be converted into private placement units upon consummation of the Business Combination at a price of $10.00 per unit. The units would be identical to the Private Placement Units. As of March 31, 2026 and December 31, 2025, the Company had no borrowings under the Working Capital Loans.

In connection with the Company’s assessment of going concern considerations in accordance with ASC205-40, “Presentation of Financial Statements–Going Concern”, as of March 31, 2026, the Company may need to raise additional capital through loans or additional investments from its Sponsor, shareholders, officers, directors, or third parties. The Company’s officers, directors and Sponsor may, but are not obligated to, loan the Company funds, from time to time or at any time, in whatever amount they deem reasonable in their sole discretion, to meet the Company’s working capital needs. Accordingly, the Company may not be able to obtain additional financing. If the Company is unable to raise additional capital, it may be required to take additional measures to conserve liquidity, which could include, but not necessarily be limited to, curtailing operations, suspending the pursuit of a potential transaction, and reducing overhead expenses. The Company cannot provide any assurance that new financing will be available to it on commercially acceptable terms, if at all.

Management plans to address this uncertainty through a Business Combination. If a Business Combination is not consummated by the end of the Combination Period, which currently expires on October 1, 2027, there will be mandatory liquidation and subsequent dissolution of the Company.

In connection with the Company’s assessment of going concern considerations in accordance with Financial Accounting Standard Board’s (“FASB”) Accounting Standards Codification (“ASC”) Subtopic205-40, “Presentation of Financial Statements –Going Concern,” management has determined that the Company’s liquidity condition raises substantial doubt about the Company’s ability to continue as a going concern. In order to finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but are not obligated to, loan the Company Working Capital Loans (see Note 4).

Emerging Growth Company

The Company is an “emerging growth company,” as defined in Section 2(a) of the Securities Act, as modified by the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”), and it may take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies including, but not limited to, not being required to comply with the independent registered public accounting firm attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, reduced disclosure obligations regarding executive compensation in its periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and shareholder approval of any golden parachute payments not previously approved.

Further, Section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective or do not have a class of securities registered under the Exchange Act) are required to comply with the new or revised financial accounting standards. The JOBS Act provides that a company can elect to opt out of the extended transition period and comply with the requirements that apply to non-emerging growth companies but any such election to opt out is irrevocable. The Company has elected not to opt out of such extended transition period which means that when a standard is issued or revised and it has different application dates for public or private companies, the Company, as an emerging growth company, can adopt the new or revised standard at the time private companies adopt the new or revised standard. This may make comparison of the Company’s unaudited condensed financial statements with another public company which is neither an emerging growth company nor an emerging growth company which has opted out of using the extended transition period difficult or impossible because of the potential differences in accounting standards used.

Use of Estimates

The preparation of unaudited condensed financial statements in conformity with GAAP requires the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed financial statements and the reported amounts of revenues and expenses during the reporting period.

Making estimates requires management to exercise significant judgment. It is at least reasonably possible that the estimate of the effect of a condition, situation or set of circumstances that existed at the date of the unaudited condensed financial statements, which management considered in formulating its estimate, could change in the near term due to one or more future confirming events. Accordingly, the actual results could differ significantly from those estimates.

Cash and Cash Equivalents

The Company considers all short-term investments with an original maturity of three months or less when purchased to be cash equivalents. The Company had $637,186 and $784,949 in cash as of March 31, 2026 and December 31, 2025, respectively. The Company did not have any cash equivalents as of March 31, 2026 and December 31, 2025.

Interest-bearing Demand Deposits Held in Trust Account

As of March 31, 2026 and December 31, 2025, the assets held in the Trust Account, amounting to $468,918,973 and $464,648,083, respectively, were held in an interest-bearing demand deposit account.

Offering Costs

The Company complies with the requirements of the ASC340-10-S99and SEC Staff Accounting Bulletin Topic 5A, “Expenses of Offering.” Offering costs consist principally of professional and registration fees that are related to the Initial Public Offering. FASB ASC470-20, “Debt with Conversion and Other Options,” addresses the allocation of proceeds from the issuance of convertible debt into its equity and debt components. The Company applies this guidance to allocate Initial Public Offering proceeds from the Units between Class A ordinary shares and warrants, prorate, allocating the Initial Public Offering proceeds to the assigned value of the warrants and to the Class A ordinary shares. Offering costs allocated to the Public Shares were charged to temporary equity, and offering costs allocated to the Public Warrants and Private Placement Units were charged to shareholders’ deficit as Public Warrants and Private Placement Warrants after management’s evaluation were accounted for under equity treatment.

Income Taxes

The Company follows the asset and liability method of accounting for income taxes under FASB ASC Topic 740, “Income Taxes.” Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the unaudited condensed financial statements carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that included the enactment date. Valuation allowances are established, when necessary, to reduce deferred tax assets to the amount expected to be realized.

ASC Topic 740 prescribes a recognition threshold and a measurement attribute for the unaudited condensed financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more likely than not to be sustained upon examination by taxing authorities. The Company’s management determined that the Cayman Islands is the Company’s major tax jurisdiction. The Company recognizes accrued interest and penalties related to unrecognized tax benefits as income tax expense.

As of March 31, 2026 and December 31, 2025, there were no unrecognized tax benefits and no amounts accrued for interest and penalties. The Company is currently not aware of any issues under review that could result in significant payments, accruals or material deviation from its position.

The Company is considered to be an exempted Cayman Islands company with no connection to any other taxable jurisdiction and is presently not subject to income taxes or income tax filing requirements in the Cayman Islands or the United States. As such, the Company’s tax provision was zero for the periods presented.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist of a cash account in a financial institution, which, at times, may exceed the Federal Deposit Insurance Corporation coverage limit of $250,000. Any loss incurred or a lack of access to such funds could have a significant adverse impact on the Company’s financial condition, results of operations, and cash flows.

Fair Value of Financial Instruments

The fair value of the Company’s assets and liabilities, which qualify as financial instruments under ASC Topic 820, “Fair Value Measurement,” approximates the carrying amounts represented in the unaudited condensed balance sheet, primarily due to their short-term nature.

Fair Value Measurements

Fair value is defined as the price that would be received for sale of an asset or paid for transfer of a liability, in an orderly transaction between market participants at the measurement date. GAAP establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). These tiers include:

• Level 1, defined as observable inputs such as quoted prices (unadjusted) for identical instruments in active markets;

• Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable such as quoted prices for similar instruments in active markets or quoted prices for identical or similar instruments in markets that are not active; and

• Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions, such as valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

In some circumstances, the inputs used to measure fair value might be categorized within different levels of the fair value hierarchy. In those instances, the fair value measurement is categorized in its entirety in the fair value hierarchy based on the lowest level input that is significant to the fair value measurement.

Net Income (Loss) per Ordinary Share

The Company complies with accounting and disclosure requirements of FASB ASC Topic 260, “Earnings Per Share.” Net income (loss) per ordinary share is computed by dividing net income by the weighted average number of shares of ordinary shares outstanding for the period. The Company has two classes of ordinary shares, which are referred to as Class A ordinary Shares and Class B ordinary shares. Accretion associated with the redeemable shares of Class A Ordinary Shares is excluded from income (loss) per ordinary share as the redemption value approximates fair value.

The calculation of diluted income (loss) per ordinary share does not consider the effect of the warrants issued in connection with the Initial Public Offering and the Private Placement Warrants since the exercise of the warrants is contingent upon the occurrence of future events. As a result, diluted net income (loss) per ordinary share is the same as basic net income (loss) per ordinary share for the periods presented.

The following table reflects the calculation of basic and diluted net income (loss) per ordinary share (in dollars, except per share amounts):

	For the Three Months Ended March 31, 2026				For the Period from March 24, 2025 (Inception) Through March 31, 2025
	Class A		Class B		Class A		Class B
Basic and diluted net income (loss) per ordinary share
Numerator:
Allocation of net income (loss)	$	3,222,902	$	790,264	$	—	$	(20,608	)
Denominator:
Basic and diluted weighted average ordinary shares outstanding		46,900,000		11,500,000		—		10,000,000
Basic and diluted net income (loss) per ordinary share	$	0.07	$	0.07	$	—	$	(0.00	)

Warrant Instruments

The Company accounted for the Public Warrants and Private Placement Warrants issued in connection with the Initial Public Offering and the private placement in accordance with the guidance contained in FASB ASC Topic 815, “Derivatives and Hedging”. Accordingly, the Company evaluated and classified the warrant instruments under equity treatment at their assigned values. Such guidance provides that the warrants described above will not be precluded from equity classification. Equity-classified contracts are initially measured at fair value (or allocated value). Subsequent changes in fair value are not recognized as long as the contracts continue to be classified in equity in accordance with ASC 480 and ASC 815.

As of October 1, 2025, the fair value of the Public Warrants was $3,036,000, or $0.33 per Public Warrant. The fair value of Public Warrants was determined using Monte Carlo Simulation Model. The Public Warrants have been classified within shareholders’ deficit and will not require remeasurement after issuance. The following table presents the quantitative information regarding market assumptions used in the valuation of the Public Warrants:

	October 1, 2025
Underlying stock price	$	10.03
Exercise price	$	11.50
Volatility		5.00	%
Term (in years)		7.00
Risk-free rate		3.81	%
Market adjustment		25.3	%

Class A Ordinary Shares Subject to Possible Redemption

The Public Shares contain a redemption feature which allows for the redemption of such Public Shares in connection with the Company’s liquidation, or if there is a shareholder vote or tender offer in connection with the Company’s initial Business Combination. In accordance with ASC480-10-S99,the Company classifies Public Shares subject to possible redemption outside of permanent equity as the redemption provisions are not solely within the control of the Company. The Company recognizes changes in redemption value immediately as they occur and will adjust the carrying value of redeemable shares to equal the redemption value at the end of each reporting period. Immediately upon the closing of the Initial Public Offering, the Company recognized the accretion from initial book value to redemption value. The change in the carrying value of redeemable shares will result in charges against additional paid-in capital (to the extent available) and accumulated deficit. Accordingly, as of March 31, 2026 and December 31, 2025, Class A ordinary shares subject to possible redemption are presented at redemption value as temporary equity, outside of the shareholders’ deficit section of the Company’s unaudited condensed balance sheet. As of March 31, 2026 and December 31, 2025, the Class A ordinary shares subject to possible redemption reflected in the unaudited condensed balance sheet are reconciled in the following table:

Gross proceeds	$	460,000,000
Less:
Proceeds allocated to Public Warrants		(3,036,000	)
Public Shares issuance costs		(23,664,360	)
Plus:
Accretion of carrying value to redemption value		31,348,443
Class A ordinary shares subject to possible redemption, December 31, 2025	$	464,648,083
Plus:
Accretion of carrying value to redemption value		4,270,890
Class A ordinary shares subject to possible redemption, March 31, 2026	$	468,918,973

Share-Based Payment Arrangements

The Company accounts for stock awards in accordance with ASC 718, “Compensation—Stock Compensation,” which requires that all equity awards be accounted for at their “fair value.” Fair value is measured on the grant date and is equal to the underlying value of the stock.

Costs equal to these fair values are recognized ratably over the requisite service period based on the number of awards that are expected to vest, in the period of grant for awards that vest immediately and have no future service condition, or in the period the awards vest immediately after meeting a performance condition becomes probable (i.e., the occurrence of a Business Combination).

On December 18, 2025 and February 11, 2026, the Sponsor transferred 30,000 founder shares on each date to a newly appointed independent director as compensation for board service. These transfers are within the scope of ASC 718. In accordance with ASC 718, equity-classified stock-based awards are measured at fair value on the grant date. The aggregate fair value of the 30,000 founder shares granted on December 18, 2025 and February 11, 2026 was $150,600 and $178,800, or $5.02 and $5.96 per share, respectively. Because the awards contain a performance condition tied to the consummation of a Business Combination, compensation expense will be recognized upon the occurrence of such event.

Recent Accounting Pronouncements

Management does not believe that any recently issued, but not yet effective, accounting standards, if currently adopted, would have a material effect on the accompanying unaudited condensed financial statements.

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Initial Public Offering

3 Months Ended

Mar. 31, 2026

Disclosure Of Initial Public Offering [Abstract]

Initial Public Offering

NOTE 3 — INITIAL PUBLIC OFFERING

In the Initial Public Offering on October 1, 2025, the Company sold 46,000,000 Units, which includes the full exercise by the underwriters of their over-allotment option in the amount of 6,000,000 Units, at a purchase price of $10.00 per Unit. Each Unit consists of one Class A ordinary share, and one-fifth of one redeemable Public Warrant. Each Public Warrant entitles the holder to purchase one Class A ordinary share at a price of $11.50 per share, subject to adjustment (see Note 6).

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Related Party Transactions

3 Months Ended

Mar. 31, 2026

Related Party Transactions [Abstract]

Related Party Transactions

NOTE 4 — RELATED PARTY TRANSACTIONS

Founders Shares

On March 26, 2025, Bain Capital GSS Investment Sponsor LLC paid $25,000 to cover certain of the Company’s expenses in exchange for the issuance of 11,500,000 Class B ordinary shares, par value $0.0001 (the “Founder Shares”). The Sponsor has agreed to forfeit up to 1,500,000 Founder Shares to the extent that the over-allotment option is not exercised in full by the underwriters. The forfeiture will be adjusted to the extent that the over-allotment option is not exercised in full by the underwriters so that the Founder Shares will represent 20% of the Company’s issued and outstanding ordinary shares (excluding the Private Placement Units and assuming the initial shareholders do not purchase any Public Shares in the Initial Public Offering) after the Initial Public Offering. On October 1, 2025, the underwriters exercised their over-allotment option in full as part of the closing of the Initial Public Offering. As such, the 1,500,000 Founder Shares are no longer subject to forfeiture.

On August 25, 2025, the Sponsor transferred an aggregate of 30,000 Founder Shares to the director of the Company in exchange for his services as director through the Company’s initial Business Combination. The Founder Shares shall return to the Sponsor if the director is no longer serving the Company on or prior to the initial Business Combination. The transfer of Founder Shares to the director is in the scope of FASB ASC Topic 718, “Compensation-Stock Compensation” (“ASC 718”). Under ASC 718, stock-based compensation associated with equity classified awards is measured at fair value upon the assignment date. The total fair value of the 30,000 Founder Shares transferred to the director on August 25, 2025 was $52,290 or $1.743 per share. The Company established the initial fair value Founder Shares on August 25, 2025, the date of the grant agreement, using a calculation prepared by a third party valuation team which takes into consideration the underlying share price of $9.95, term of 0.10, risk-free rate of 4.34%, and a market adjustment of 17.6%. The Founder Shares are classified as Level 3 at the measurement date due to the use of unobservable inputs, and other risk factors. The membership interests were assigned subject to a performance condition (i.e., providing services through Business Combination). Stock-based compensation would be recognized at the date a Business Combination is considered probable (i.e., upon consummation of a Business Combination) in an amount equal to the number of Founder Shares that ultimately vest times the assignment date fair value per share (unless subsequently modified) less the amount initially received for the transfer of Founder Shares. As of March 31, 2026, the Company determined that the initial Business Combination is not considered probable and therefore no compensation expense has been recognized.

Subject to limited exceptions, the initial shareholders will agree not to transfer, assign or sell any Founder Shares until the earlier to occur of: (A) 180 days after the completion of the initial Business Combination and (B) subsequent to the initial Business Combination, the date on which the Company completes a liquidation, merger, share exchange, reorganization or other similar transaction that results in all of the Public Shareholders having the right to exchange their ordinary shares for cash, securities or other property.

Private Placement Units

Simultaneously with the closing of the Initial Public Offering, the Sponsor purchased an aggregate of 900,000 Private Placement Units at $10.00 per Private Placement Unit, for an aggregate purchase price of $9,000,000, in a private placement. Such Private Placement Units are identical to the Units sold in the Initial Public Offering. If the Company does not consummate an initial Business Combination within 24 months from the closing of the Initial Public Offering (or 27 months from the closing of the Initial Public Offering if the Company has executed a letter of intent, agreement in principle or definitive agreement for the initial Business Combination within 24 months from the closing of the Initial Public Offering), any proceeds from the sale of the Private Placement Units held in the Trust Account will be used to fund the redemption of the Public Shares (subject to the requirements of applicable law). Holders of the Private Placement Units have entered into an agreement, pursuant to which they have agreed to waive their redemption rights with respect to their Founder Shares, Private Placement Shares included in any Private Placement Units and Public Shares in connection with (i) the completion of the initial Business Combination and (ii) the implementation by the directors of, following a shareholder vote to approve, an amendment to the amended and restated memorandum and articles of association (A) that would modify the substance or timing of the obligation to provide holders of the Class A ordinary shares the right to have their shares redeemed or repurchased in connection with the initial Business Combination or to redeem 100% of the Public Shares if the Company does not complete the initial Business Combination within the Combination Period from the closing of this Initial Public Offering or (B) with respect to any other provision relating to the rights of holders of the Class A ordinary shares. Subject to limited exceptions, the Private Placement Units (including any Private Placement Shares or Private Placement Warrants included in such Private Placement Units) will not be transferable or salable until 30 days after the completion of the initial Business Combination. Certain proceeds from the Private Placement Units were added to the proceeds from the Initial Public Offering to be held in the Trust Account.

Related Party Loans

On March 26, 2025, Bain Capital GSS Investment Sponsor LLC agreed to loan the Company an aggregate of up to $300,000 to cover expenses related to the Initial Public Offering pursuant to a promissory note (the “Note”). This loan was non-interest bearing and payable on the earlier of September 30, 2026 or the completion of the Initial Public Offering. On October 1, 2025, the Company repaid the total outstanding balance of the Promissory Note amounting to $212,377. Borrowings under the Note are no longer available.

Working Capital Loans

In addition, in order to finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but are not obligated to, loan the Company funds as may be required (“Working Capital Loans”). If the Company completes a Business Combination, the Company may repay the Working Capital Loans out of the proceeds of the Trust Account released to the Company. Otherwise, the Working Capital Loans may be repaid only out of funds held outside the Trust Account. In the event that a Business Combination does not close, the Company may use a portion of the proceeds held outside the Trust Account to repay the Working Capital Loans but no proceeds held in the Trust Account would be used to repay the Working Capital Loans. Up to $1,500,000 of such Working Capital Loans may be converted into private placement units upon consummation of the Business Combination at a price of $10.00 per unit. The units would be identical to the Private Placement Units. Except for the foregoing, the terms of such Working Capital Loans, if any, have not been determined and no written agreements exist with respect to such loans. The Working Capital Loans would either be repaid upon consummation of a Business Combination, without interest, or, at the lender’s discretion, up to $1,500,000 of such Working Capital Loans may be convertible into shares of the post Business Combination entity at a price of $10.00 per unit. The Private Placement Units issued upon conversion of any such loans would be identical to the Private Placement Units sold in a private placement concurrently with the Initial Public Offering. As of March 31, 2026 and December 31, 2025, the company had no outstanding borrowings under the Working Capital Loans.

Administrative Services and Indemnification Agreement

Pursuant to the administrative services and indemnification agreement between the Company and the Sponsor, commencing on September 29, 2025 through the earlier of consummation of the initial Business Combination and the Company’s liquidation, the Company will pay the Sponsor for office space, secretarial and administrative services provided to the Company in the amount of $20,000 per month. In addition, the Company has agreed, pursuant to such administrative services and indemnification agreement with the Sponsor relating to the monthly payment for services outlined therein, that the Company will indemnify the Sponsor and its affiliates, including Bain Capital LP and its affiliates (“Bain”), from any liability arising with respect to their activities in connection with the Company’s affairs, including, but not limited to, any claims, made by the Company or a third party, (i) arising out of or relating to the Initial Public Offering or the Company’s operations or conduct of the Company’s business, (ii) in respect of any investment opportunities sourced by the Sponsor and its affiliates, including Bain, and/or (iii) against the Sponsor and/or Bain alleging any expressed or implied management or endorsement by the Sponsor and/or Bain of any of the Company’s activities or any express or implied association between the Sponsor and/or Bain, on the one hand, and the Company or any of its other affiliates, on the other hand, which agreement will provide that the indemnified parties cannot access the funds held in our Trust Account. For the three months ended March 31, 2026 and for the period from March 24, 2025 (inception) through March 31, 2025, the Company incurred $60,000 for these services. As of March 31, 2026 and December 31, 2025, $120,000 and $60,000, respectively, is included in accrued expenses in the accompanying unaudited condensed balance sheets.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2026

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

NOTE 5 — COMMITMENTS AND CONTINGENCIES

Registration and Shareholder Rights

Holders of the Founder Shares and Private Placement Units, including from time to time the Public Shares, Private Placement Units that may be issued upon conversion of Working Capital Loans, any Private Placement Shares or Private Placement Warrants included in Private Placement Units, any Class A ordinary shares issuable upon conversion of Founder Shares or upon exercise of warrants they may hold or acquire, and any warrants, including Private Placement Warrants, that they may hold or acquire, will be entitled to registration rights pursuant to a registration and shareholder rights agreement signed on September 29, 2025. The holders of these securities are entitled to make up to three demands, excluding short form demands, that the Company register such securities. In addition, the holders have certain piggyback registration rights with respect to registration statements filed subsequent to the completion of the initial Business Combination. The Company will bear the expenses incurred in connection with the filing of any such registration statements. Further, the Sponsor, upon and following consummation of an initial Business Combination, will be entitled to nominate three individuals for appointment to the Company’s board of directors, as long as the Sponsor holds any securities covered by the registration and shareholder rights agreement.

Underwriting Agreement

The Company granted the underwriters a45-dayoption from the final prospectus relating to the Initial Public Offering to purchase up to 6,000,000 additional Public Shares to cover over-allotments, if any, at the Initial Public Offering price less the underwriting discounts and commissions. On October 1, 2025, the underwriters elected to fully exercise their over-allotment option to purchase an additional 6,000,000 Units at a price of $10.00 per Unit.

The underwriters were entitled to an underwriting discount of $0.20 per Public Share, excluding any proceeds from Units sold pursuant to the underwriter’s over-allotment option, or $8,000,000 in the aggregate, which was paid upon the closing of the Initial Public Offering. The underwriter paid the Company an aggregate amount of $1,000,000 at the closing of the Initial Public Offering as reimbursement to the Company for certain of its expenses and fees incurred in connection with the Initial Public Offering. In addition, $0.35 per Public Share, or $16,100,000 in the aggregate, will be payable to the underwriters for deferred underwriting commissions. The deferred fee will become payable to the underwriters from the amounts held in the Trust Account solely in the event that the Company completes a Business Combination, subject to the terms of the underwriting agreement.

Risks and Uncertainties

The Company’s ability to complete an initial Business Combination may be adversely affected by various factors, many of which are beyond the Company’s control. The Company’s ability to consummate an initial Business Combination could be impacted by, among other things, changes in laws or regulations, downturns in the financial markets or in economic conditions, inflation, fluctuations in interest rates, increases in tariffs, supply chain disruptions, declines in consumer confidence and spending, public health considerations, and geopolitical instability, such as the military conflicts in Ukraine and the Middle East. The Company cannot at this time predict the likelihood of one or more of the above events, their duration or magnitude or the extent to which they may negatively impact the Company’s ability to complete an initial Business Combination.

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Shareholders' Deficit

3 Months Ended

Mar. 31, 2026

Stockholders' Equity Note [Abstract]

Shareholders' Deficit

NOTE 6 — SHAREHOLDERS’ DEFICIT

Preference Shares — The Company is authorized to issue 1,000,000 preference shares with such designations, voting and other rights and preferences as may be determined from time to time by the Company’s board of directors. As of March 31, 2026 and December 31, 2025, there were no preference shares issued or outstanding.

Class A Ordinary Shares—The Company is authorized to issue 200,000,000 Class A ordinary shares with a par value of $0.0001 per share. As of March 31, 2026 and December 31, 2025, there were 900,000 Class A ordinary shares issued and outstanding, excluding 46,000,000 shares subject to possible redemption.

Class B Ordinary Shares—The Company is authorized to issue 20,000,000 Class B ordinary shares with a par value of $0.0001 per share. As of March 31, 2026 and December 31, 2025, there were 11,500,000 Class B ordinary shares issued and outstanding.

Except as described below, ordinary shareholders of record are entitled to one vote for each share held on all matters to be voted on by shareholders and holders of Class A ordinary shares and holders of Class B ordinary shares will vote together as a single class on all matters submitted to a vote of the shareholders except as required by law. Unless otherwise specified in the amended and restated memorandum and articles of association, or as required by applicable provisions of the Companies Act or applicable stock exchange rules, the affirmative vote of a majority of the ordinary shares that are represented in person or by proxy and are voted is required to approve any such matter voted on by the shareholders. Approval of certain actions will require a special resolution under Cayman Islands law, being the affirmative vote of at least two-thirds of the votes cast by such shareholders as, being entitled to do so, vote in person or, where proxies are allowed, by proxy at the applicable general meeting of the company, and pursuant to the amended and restated memorandum and articles of association; such actions include amending the amended and restated memorandum and articles of association and approving a statutory merger or consolidation with another company. The board of directors is divided into three classes, each of which will generally serve for terms of three years with only one class of directors being elected in each year. There is no cumulative voting with respect to the appointment of directors, with the result that the holders of more than 50% of the shares entitled to vote and voted for the appointment of directors can elect all of the directors. The shareholders are entitled to receive ratable dividends when, as and if declared by the board of directors out of funds legally available therefor. Prior to the initial Business Combination, only holders of the Founder Shares will have the right to vote on the appointment of directors. Holders of the Public Shares will not be entitled to vote on the appointment of directors during such time. Incumbent directors shall also have the ability to appoint additional directors or to appoint replacement directors in the event of a casual vacancy in accordance with the amended and restated memorandum and articles of association. Further, prior to the closing of the Business Combination, only holders of the Class B ordinary shares will be entitled to vote on transferring the Company by way of continuation in a jurisdiction outside the Cayman Islands (including any special resolution required to amend the constitutional documents of the Company or to adopt new constitutional documents of the Company, in each case, as a result of the Company approving a transfer by way of continuation in a jurisdiction outside the Cayman Islands) and, as a result, the Sponsor will be able to approve any such proposal without the vote of any other shareholder. The provisions of the amended and restated memorandum and articles of association governing the appointment of directors prior to the Business Combination and the Company’s continuation in a jurisdiction outside the Cayman Islands prior to the initial Business Combination may only be amended by a special resolution passed by holders representing at least two-thirds of the Company’s outstanding Class B ordinary shares. Holders of the public shares will not be entitled to vote on a special resolution to amend such provisions of the amended and restated memorandum and articles of association during such period.

Subject to adjustment for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like, and subject to further adjustment as provided herein, the Founder Shares, which are designated as Class B ordinary shares, will be convertible at the option of the holder on a one-for-one basis or will automatically convert into Class A ordinary shares (such Class A ordinary shares delivered upon conversion will not have any redemption rights or be entitled to liquidating distributions from the Trust Account if the Company fails to consummate an initial business combination) concurrently with or immediately following the consummation of the initial Business Combination a ratio such that the number of Class A ordinary shares issuable upon conversion of all Founder Shares (including, for the avoidance of doubt for purposes of the calculation described hereafter, the Class A ordinary shares that may have been issued upon conversion of Founder Shares at the option of the holder thereof prior to the consummation of the initial Business Combination) will equal, in the aggregate, on an as-converted basis, 20% of the sum of (i) the total number of ordinary shares issued and outstanding (excluding the Private Placement Shares included in the Private Placement Units and including any Class A ordinary share issued pursuant to the underwriter’s over-allotment option) upon consummation of the Initial Public Offering, plus (ii) the sum of the total number of Class A ordinary shares issued or deemed issued or issuable upon conversion or exercise of any equity-linked securities or rights issued or deemed issued, by the Company in connection with or in relation to the consummation of the initial Business Combination, excluding any Class A ordinary shares or equity-linked securities exercisable for or convertible into Class A ordinary shares issued, deemed issued, or to be issued, to any seller in the Business Combination and any private placement-equivalent units issued to the Sponsor, members of the management team or any of their affiliates upon conversion of working capital loans made to the Company. In no event will the Class B ordinary shares convert into Class A ordinary shares at a rate of less than one to one.

Warrants— As of March 31, 2026 and December 31, 2025, there were 9,380,000 Warrants outstanding, including 9,200,000 Public Warrants and 180,000 Private Placement Warrants. Public Warrants may only be exercised for a whole number of shares. No fractional Public Warrants will be issued upon separation of the Units and only whole Public Warrants will trade.

The Public Warrants will become exercisable 30 days after the completion of a Business Combination, provided in each case that the Company has an effective registration statement under the Securities Act covering the Class A ordinary shares issuable upon exercise of the Public Warrants and a current prospectus relating to them is available and such shares are registered, qualified or exempt from registration under the securities, or blue sky laws of the state of residence of the holder (or the Company permits holders to exercise their warrants on a cashless basis under certain circumstances). The Company is registering the Class A ordinary shares issuable upon exercise of the Public Warrants in the registration statement of the Initial Public Offering, in which the unaudited condensed financial statements are included, forms a part because the Public Warrants will become exercisable 30 days after the completion of a Business Combination, which may be within one year of the Initial Public Offering. However, because the Public Warrants will be exercisable until their expiration date of up to five years after the completion of the Business Combination, in order to comply with the requirements of Section 10(a)(3) of the Securities Act following the consummation of the Business Combination, the Company has agreed that as soon as practicable, but in no event later than 20 business days after the closing of the initial Business Combination, the Company will use commercially reasonable efforts to file with the SEC a registration statement covering the Class A ordinary shares issuable upon exercise of the warrants and to maintain a current prospectus relating to those Class A ordinary shares until the warrants expire or are redeemed, as specified in the warrant agreement. If a registration statement covering the Class A ordinary shares issuable upon exercise of the warrants is not effective by the 60th day after the closing of the initial Business Combination, warrant holders may, until such time as there is an effective registration statement and during any period when the Company will have failed to maintain an effective registration statement, exercise warrants on a “cashless basis” in accordance with Section 3(a)(9) of the Securities Act or another exemption. Notwithstanding the above, if the Class A ordinary shares are at the time of any exercise of a warrant not listed on a national securities exchange such that they satisfy the definition of a “covered security” under Section 18(b)(1) of the Securities Act, the Company may, at its option, require holders of Public Warrants who exercise their warrants to do so on a “cashless basis” and, in the event the Company so elects, the Company will not be required to file or maintain in effect a registration statement, and in the event the Company does not so elect, it will use commercially reasonable efforts to register or qualify the shares under applicable blue sky laws to the extent an exemption is not available.

The warrants have an exercise price of $11.50 per share, subject to adjustments, and will expire five years after the completion of a Business Combination or earlier upon redemption or liquidation. In addition, if (x) the Company issues additional Class A ordinary shares or equity-linked securities for capital raising purposes in connection with the closing of the initial Business Combination at an issue price or effective issue price of less than $9.20 per Class A ordinary share (with such issue price or effective issue price to be determined in good faith by the board of directors and, in the case of any such issuance to the Sponsor or its affiliates, without taking into account any Founder Shares held by the Sponsor or its affiliates, as applicable, prior to such issuance) (the “Newly Issued Price”), (y) the aggregate gross proceeds

from such issuances represent more than 60% of the total equity proceeds, and interest thereon, available for the funding of the initial Business Combination on the date of the consummation of the initial Business Combination (net of redemptions), and (z) the volume weighted average trading price of Class A ordinary shares during the20-tradingday period starting on the trading day prior to the day on which the Company consummates its initial Business Combination (such price, the “Market Value”) is below $9.20 per share, then the exercise price of the warrants will be adjusted (to the nearest cent) to be equal to 115% of the higher of the Market Value and the Newly Issued Price, the $18.00 per share redemption trigger price will be adjusted (to the nearest cent) to be equal to 180% of the higher of the Market Value and the Newly Issued Price. See “—Redemption of warrants when the price per Class A ordinary share equals or exceeds $18.00” below).

The Private Placement Warrants are identical to the Public Warrants underlying the Units sold in the Initial Public Offering, except (i) that the Private Placement Warrants and the Class A ordinary shares issuable upon exercise of the Private Placement Warrants will not be transferable, assignable or salable until 30 days after the completion of a Business Combination, subject to certain limited exceptions, (ii) the Private Placement Warrants will be non-redeemable and (iii) the Private Placement Warrants will be exercisable on a cashless basis and have certain registration rights.

Redemption of warrants when the price per Class A ordinary shares equals or exceeds $18.00. Once the warrants become exercisable, the Company may redeem the outstanding warrants (except as described herein with respect to the Private Placement Warrants):

• in whole and not in part;

• at a price of $0.01 per warrant;

• upon a minimum of 30 days’ prior written notice of redemption, which we refer to as the30-dayredemption period; and

• if, and only if, the last reported sale price of the Class A ordinary shares equals or exceeds $18.00 per share (as adjusted) for any 20 trading days within a30-tradingday period ending on the third trading day prior to the date on which the Company sends the notice of redemption to the warrant holders.

The Company will not redeem the warrants as described above unless a registration statement under the Securities Act covering the issuance of the Class A ordinary shares issuable upon exercise of the warrants is then effective and a current prospectus relating to those Class A ordinary shares is available throughout the30-dayredemption period.

In no event will the Company be required to net cash settle any warrant. If the Company has not completed a Business Combination within the Combination Period and the Company liquidates the funds held in the Trust Account, holders of warrants will not receive any of such funds with respect to their warrants, nor will they receive any distribution from the Company’s assets held outside of the Trust Account with the respect to such warrants. Accordingly, the warrants may expire worthless.

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Segment Information

3 Months Ended

Mar. 31, 2026

Segment Reporting [Abstract]

Segment Information

NOTE 7 — SEGMENT INFORMATION

ASC Topic 280, “Segment Reporting,” establishes standards for companies to report in their unaudited condensed financial statement information about operating segments, products, services, geographic areas, and major customers. Operating segments are defined as components of an enterprise that engage in business activities from which it may recognize revenues and incur expenses, and for which separate financial information is available that is regularly evaluated by the Company’s chief operating decision maker (“CODM”), or group, in deciding how to allocate resources and assess performance.

The Company’s CODM has been identified as the Chief Executive Officer, who reviews the assets, operating results, and financial metrics for the Company as a whole to make decisions about allocating resources and assessing financial performance. Accordingly, management has determined that there is only one reportable segment.

The CODM assesses performance for the single segment and decides how to allocate resources based on net income or loss that also is reported on the statement of operations as net income or loss. The measure of segment assets is reported on the unaudited condensed balance sheet as total assets. When evaluating the Company’s performance and making key decisions regarding resource allocation the CODM reviews the key metrics below.

	March 31, 2026		December 31, 2025
Cash	$	637,186	$	784,949
Interest-bearing Demand Deposits held in Trust Account	$	468,918,973	$	464,648,083

	For the Three Months Ended March 31, 2026		For the Period from March 24, 2025 (Inception) Through March 31, 2025
General and administrative expenses	$	257,724	$	20,608
Interest earned on interest-bearing demand deposits held in Trust Account	$	4,270,890	$	—

The CODM reviews interest earned on interest-bearing demand deposits held in Trust Account to measure and monitor shareholder value and determine the most effective strategy of investment with the Trust Account funds while maintaining compliance with the Trust Agreement.

General and administrative expenses are reviewed and monitored by the CODM to manage and forecast cash to ensure enough capital is available to complete the Proposed Public Offering and eventually a Business Combination within the business combination period. The CODM also reviews general and administrative expenses to manage, maintain and enforce all contractual agreements to ensure costs are aligned with all agreements and budget. General and administrative expenses, as reported on the statement of operations, are the significant segment expenses provided to the CODM on a regular basis.

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Subsequent Events

3 Months Ended

Mar. 31, 2026

Subsequent Events [Abstract]

Subsequent Events

NOTE 8 — SUBSEQUENT EVENTS

The Company evaluated subsequent events and transactions that occurred after the balance sheet date up to the date that the unaudited condensed financial statements were issued. Based upon this review, the Company did not identify any subsequent events that would have required adjustment or disclosure in the unaudited condensed financial statements.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2026

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying unaudited condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and in accordance with the instructions to Form 10-Q and Article 8 of Regulation S-X of the U.S. Securities and Exchange Commission (“SEC”). Certain information or footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted, pursuant to the rules and regulations of the SEC for interim financial reporting. Accordingly, they do not include all the information and footnotes necessary for a complete presentation of financial position, results of operations, or cash flows. In the opinion of management, the accompanying unaudited condensed financial statements include all adjustments, consisting of a normal recurring nature, which are necessary for a fair presentation of the financial position, operating results and cash flows for the periods presented.

The accompanying unaudited condensed financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for the period ended December 31, 2025, as filed with the SEC on March 20, 2026. The interim results for the three months ended March 31, 2026 and the period from March 24, 2025 (inception) through March 31, 2025, are not necessarily indicative of the results to be expected for the year ending December 31, 2026 or for any future periods.

Liquidity and Going Concern

Liquidity and Going Concern

The Company’s liquidity needs up to March 31, 2026 had been satisfied through the loan under an unsecured promissory note from the Sponsor of up to $300,000. On October 1, 2025, the Company repaid the total outstanding balance of the Promissory Note amounting to $212,377 (see Note 4). As of March 31, 2026, the Company had cash of $637,186 and working capital of $530,428.

In order to fund working capital deficiencies or finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but is not obligated to, loan the Company funds as may be required (the “Working Capital Loans”). If the Company completes a Business Combination, the Company would repay such loaned amounts at that time. Up to $1,500,000 of such Working Capital Loans may be converted into private placement units upon consummation of the Business Combination at a price of $10.00 per unit. The units would be identical to the Private Placement Units. As of March 31, 2026 and December 31, 2025, the Company had no borrowings under the Working Capital Loans.

In connection with the Company’s assessment of going concern considerations in accordance with ASC205-40, “Presentation of Financial Statements–Going Concern”, as of March 31, 2026, the Company may need to raise additional capital through loans or additional investments from its Sponsor, shareholders, officers, directors, or third parties. The Company’s officers, directors and Sponsor may, but are not obligated to, loan the Company funds, from time to time or at any time, in whatever amount they deem reasonable in their sole discretion, to meet the Company’s working capital needs. Accordingly, the Company may not be able to obtain additional financing. If the Company is unable to raise additional capital, it may be required to take additional measures to conserve liquidity, which could include, but not necessarily be limited to, curtailing operations, suspending the pursuit of a potential transaction, and reducing overhead expenses. The Company cannot provide any assurance that new financing will be available to it on commercially acceptable terms, if at all.

Management plans to address this uncertainty through a Business Combination. If a Business Combination is not consummated by the end of the Combination Period, which currently expires on October 1, 2027, there will be mandatory liquidation and subsequent dissolution of the Company.

In connection with the Company’s assessment of going concern considerations in accordance with Financial Accounting Standard Board’s (“FASB”) Accounting Standards Codification (“ASC”) Subtopic205-40, “Presentation of Financial Statements –Going Concern,” management has determined that the Company’s liquidity condition raises substantial doubt about the Company’s ability to continue as a going concern. In order to finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but are not obligated to, loan the Company Working Capital Loans (see Note 4).

Emerging Growth Company

Emerging Growth Company

The Company is an “emerging growth company,” as defined in Section 2(a) of the Securities Act, as modified by the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”), and it may take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies including, but not limited to, not being required to comply with the independent registered public accounting firm attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, reduced disclosure obligations regarding executive compensation in its periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and shareholder approval of any golden parachute payments not previously approved.

Further, Section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective or do not have a class of securities registered under the Exchange Act) are required to comply with the new or revised financial accounting standards. The JOBS Act provides that a company can elect to opt out of the extended transition period and comply with the requirements that apply to non-emerging growth companies but any such election to opt out is irrevocable. The Company has elected not to opt out of such extended transition period which means that when a standard is issued or revised and it has different application dates for public or private companies, the Company, as an emerging growth company, can adopt the new or revised standard at the time private companies adopt the new or revised standard. This may make comparison of the Company’s unaudited condensed financial statements with another public company which is neither an emerging growth company nor an emerging growth company which has opted out of using the extended transition period difficult or impossible because of the potential differences in accounting standards used.

Use of Estimates

Use of Estimates

The preparation of unaudited condensed financial statements in conformity with GAAP requires the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed financial statements and the reported amounts of revenues and expenses during the reporting period.

Making estimates requires management to exercise significant judgment. It is at least reasonably possible that the estimate of the effect of a condition, situation or set of circumstances that existed at the date of the unaudited condensed financial statements, which management considered in formulating its estimate, could change in the near term due to one or more future confirming events. Accordingly, the actual results could differ significantly from those estimates.

Cash and Cash Equivalents

Cash and Cash Equivalents

The Company considers all short-term investments with an original maturity of three months or less when purchased to be cash equivalents. The Company had $637,186 and $784,949 in cash as of March 31, 2026 and December 31, 2025, respectively. The Company did not have any cash equivalents as of March 31, 2026 and December 31, 2025.

Investments Held in Trust Account

Interest-bearing Demand Deposits Held in Trust Account

As of March 31, 2026 and December 31, 2025, the assets held in the Trust Account, amounting to $468,918,973 and $464,648,083, respectively, were held in an interest-bearing demand deposit account.

Offering Costs

Offering Costs

The Company complies with the requirements of the ASC340-10-S99and SEC Staff Accounting Bulletin Topic 5A, “Expenses of Offering.” Offering costs consist principally of professional and registration fees that are related to the Initial Public Offering. FASB ASC470-20, “Debt with Conversion and Other Options,” addresses the allocation of proceeds from the issuance of convertible debt into its equity and debt components. The Company applies this guidance to allocate Initial Public Offering proceeds from the Units between Class A ordinary shares and warrants, prorate, allocating the Initial Public Offering proceeds to the assigned value of the warrants and to the Class A ordinary shares. Offering costs allocated to the Public Shares were charged to temporary equity, and offering costs allocated to the Public Warrants and Private Placement Units were charged to shareholders’ deficit as Public Warrants and Private Placement Warrants after management’s evaluation were accounted for under equity treatment.

Income Taxes

Income Taxes

The Company follows the asset and liability method of accounting for income taxes under FASB ASC Topic 740, “Income Taxes.” Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the unaudited condensed financial statements carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that included the enactment date. Valuation allowances are established, when necessary, to reduce deferred tax assets to the amount expected to be realized.

ASC Topic 740 prescribes a recognition threshold and a measurement attribute for the unaudited condensed financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more likely than not to be sustained upon examination by taxing authorities. The Company’s management determined that the Cayman Islands is the Company’s major tax jurisdiction. The Company recognizes accrued interest and penalties related to unrecognized tax benefits as income tax expense.

As of March 31, 2026 and December 31, 2025, there were no unrecognized tax benefits and no amounts accrued for interest and penalties. The Company is currently not aware of any issues under review that could result in significant payments, accruals or material deviation from its position.

The Company is considered to be an exempted Cayman Islands company with no connection to any other taxable jurisdiction and is presently not subject to income taxes or income tax filing requirements in the Cayman Islands or the United States. As such, the Company’s tax provision was zero for the periods presented.

Concentration of Credit Risk

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist of a cash account in a financial institution, which, at times, may exceed the Federal Deposit Insurance Corporation coverage limit of $250,000. Any loss incurred or a lack of access to such funds could have a significant adverse impact on the Company’s financial condition, results of operations, and cash flows.

Fair Value of Financial Instruments

Fair Value of Financial Instruments

The fair value of the Company’s assets and liabilities, which qualify as financial instruments under ASC Topic 820, “Fair Value Measurement,” approximates the carrying amounts represented in the unaudited condensed balance sheet, primarily due to their short-term nature.

Fair Value Measurements

Fair Value Measurements

Fair value is defined as the price that would be received for sale of an asset or paid for transfer of a liability, in an orderly transaction between market participants at the measurement date. GAAP establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). These tiers include:

• Level 1, defined as observable inputs such as quoted prices (unadjusted) for identical instruments in active markets;

• Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable such as quoted prices for similar instruments in active markets or quoted prices for identical or similar instruments in markets that are not active; and

• Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions, such as valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

In some circumstances, the inputs used to measure fair value might be categorized within different levels of the fair value hierarchy. In those instances, the fair value measurement is categorized in its entirety in the fair value hierarchy based on the lowest level input that is significant to the fair value measurement.

Net Income (Loss) per Ordinary Share

Net Income (Loss) per Ordinary Share

The Company complies with accounting and disclosure requirements of FASB ASC Topic 260, “Earnings Per Share.” Net income (loss) per ordinary share is computed by dividing net income by the weighted average number of shares of ordinary shares outstanding for the period. The Company has two classes of ordinary shares, which are referred to as Class A ordinary Shares and Class B ordinary shares. Accretion associated with the redeemable shares of Class A Ordinary Shares is excluded from income (loss) per ordinary share as the redemption value approximates fair value.

The calculation of diluted income (loss) per ordinary share does not consider the effect of the warrants issued in connection with the Initial Public Offering and the Private Placement Warrants since the exercise of the warrants is contingent upon the occurrence of future events. As a result, diluted net income (loss) per ordinary share is the same as basic net income (loss) per ordinary share for the periods presented.

The following table reflects the calculation of basic and diluted net income (loss) per ordinary share (in dollars, except per share amounts):

	For the Three Months Ended March 31, 2026				For the Period from March 24, 2025 (Inception) Through March 31, 2025
	Class A		Class B		Class A		Class B
Basic and diluted net income (loss) per ordinary share
Numerator:
Allocation of net income (loss)	$	3,222,902	$	790,264	$	—	$	(20,608	)
Denominator:
Basic and diluted weighted average ordinary shares outstanding		46,900,000		11,500,000		—		10,000,000
Basic and diluted net income (loss) per ordinary share	$	0.07	$	0.07	$	—	$	(0.00	)

Warrant Instruments

Warrant Instruments

The Company accounted for the Public Warrants and Private Placement Warrants issued in connection with the Initial Public Offering and the private placement in accordance with the guidance contained in FASB ASC Topic 815, “Derivatives and Hedging”. Accordingly, the Company evaluated and classified the warrant instruments under equity treatment at their assigned values. Such guidance provides that the warrants described above will not be precluded from equity classification. Equity-classified contracts are initially measured at fair value (or allocated value). Subsequent changes in fair value are not recognized as long as the contracts continue to be classified in equity in accordance with ASC 480 and ASC 815.

As of October 1, 2025, the fair value of the Public Warrants was $3,036,000, or $0.33 per Public Warrant. The fair value of Public Warrants was determined using Monte Carlo Simulation Model. The Public Warrants have been classified within shareholders’ deficit and will not require remeasurement after issuance. The following table presents the quantitative information regarding market assumptions used in the valuation of the Public Warrants:

	October 1, 2025
Underlying stock price	$	10.03
Exercise price	$	11.50
Volatility		5.00	%
Term (in years)		7.00
Risk-free rate		3.81	%
Market adjustment		25.3	%

Class A Ordinary Shares Subject to Possible Redemption

Class A Ordinary Shares Subject to Possible Redemption

The Public Shares contain a redemption feature which allows for the redemption of such Public Shares in connection with the Company’s liquidation, or if there is a shareholder vote or tender offer in connection with the Company’s initial Business Combination. In accordance with ASC480-10-S99,the Company classifies Public Shares subject to possible redemption outside of permanent equity as the redemption provisions are not solely within the control of the Company. The Company recognizes changes in redemption value immediately as they occur and will adjust the carrying value of redeemable shares to equal the redemption value at the end of each reporting period. Immediately upon the closing of the Initial Public Offering, the Company recognized the accretion from initial book value to redemption value. The change in the carrying value of redeemable shares will result in charges against additional paid-in capital (to the extent available) and accumulated deficit. Accordingly, as of March 31, 2026 and December 31, 2025, Class A ordinary shares subject to possible redemption are presented at redemption value as temporary equity, outside of the shareholders’ deficit section of the Company’s unaudited condensed balance sheet. As of March 31, 2026 and December 31, 2025, the Class A ordinary shares subject to possible redemption reflected in the unaudited condensed balance sheet are reconciled in the following table:

Gross proceeds	$	460,000,000
Less:
Proceeds allocated to Public Warrants		(3,036,000	)
Public Shares issuance costs		(23,664,360	)
Plus:
Accretion of carrying value to redemption value		31,348,443
Class A ordinary shares subject to possible redemption, December 31, 2025	$	464,648,083
Plus:
Accretion of carrying value to redemption value		4,270,890
Class A ordinary shares subject to possible redemption, March 31, 2026	$	468,918,973

Share-Based Payment Arrangements

Share-Based Payment Arrangements

The Company accounts for stock awards in accordance with ASC 718, “Compensation—Stock Compensation,” which requires that all equity awards be accounted for at their “fair value.” Fair value is measured on the grant date and is equal to the underlying value of the stock.

Costs equal to these fair values are recognized ratably over the requisite service period based on the number of awards that are expected to vest, in the period of grant for awards that vest immediately and have no future service condition, or in the period the awards vest immediately after meeting a performance condition becomes probable (i.e., the occurrence of a Business Combination).

On December 18, 2025 and February 11, 2026, the Sponsor transferred 30,000 founder shares on each date to a newly appointed independent director as compensation for board service. These transfers are within the scope of ASC 718. In accordance with ASC 718, equity-classified stock-based awards are measured at fair value on the grant date. The aggregate fair value of the 30,000 founder shares granted on December 18, 2025 and February 11, 2026 was $150,600 and $178,800, or $5.02 and $5.96 per share, respectively. Because the awards contain a performance condition tied to the consummation of a Business Combination, compensation expense will be recognized upon the occurrence of such event.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Management does not believe that any recently issued, but not yet effective, accounting standards, if currently adopted, would have a material effect on the accompanying unaudited condensed financial statements.

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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2026

Accounting Policies [Abstract]

Schedule of reflects the calculation of basic and diluted net income per ordinary share

The calculation of diluted income (loss) per ordinary share does not consider the effect of the warrants issued in connection with the Initial Public Offering and the Private Placement Warrants since the exercise of the warrants is contingent upon the occurrence of future events. As a result, diluted net income (loss) per ordinary share is the same as basic net income (loss) per ordinary share for the periods presented.

The following table reflects the calculation of basic and diluted net income (loss) per ordinary share (in dollars, except per share amounts):

	For the Three Months Ended March 31, 2026				For the Period from March 24, 2025 (Inception) Through March 31, 2025
	Class A		Class B		Class A		Class B
Basic and diluted net income (loss) per ordinary share
Numerator:
Allocation of net income (loss)	$	3,222,902	$	790,264	$	—	$	(20,608	)
Denominator:
Basic and diluted weighted average ordinary shares outstanding		46,900,000		11,500,000		—		10,000,000
Basic and diluted net income (loss) per ordinary share	$	0.07	$	0.07	$	—	$	(0.00	)

Schedule of quantitative information regarding market assumptions used in the valuation of the Public Warrants

The following table presents the quantitative information regarding market assumptions used in the valuation of the Public Warrants:

	October 1, 2025
Underlying stock price	$	10.03
Exercise price	$	11.50
Volatility		5.00	%
Term (in years)		7.00
Risk-free rate		3.81	%
Market adjustment		25.3	%

Schedule of Class A ordinary shares subject to possible redemption reflected in the balance sheet

As of March 31, 2026 and December 31, 2025, the Class A ordinary shares subject to possible redemption reflected in the unaudited condensed balance sheet are reconciled in the following table:

Gross proceeds	$	460,000,000
Less:
Proceeds allocated to Public Warrants		(3,036,000	)
Public Shares issuance costs		(23,664,360	)
Plus:
Accretion of carrying value to redemption value		31,348,443
Class A ordinary shares subject to possible redemption, December 31, 2025	$	464,648,083
Plus:
Accretion of carrying value to redemption value		4,270,890
Class A ordinary shares subject to possible redemption, March 31, 2026	$	468,918,973

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2026

Segment Reporting [Abstract]

Schedule of Evaluating the Company's Performance and Making Key Decisions Regarding Resource Allocation the CODM Reviews

When evaluating the Company’s performance and making key decisions regarding resource allocation the CODM reviews the key metrics below.

	March 31, 2026		December 31, 2025
Cash	$	637,186	$	784,949
Interest-bearing Demand Deposits held in Trust Account	$	468,918,973	$	464,648,083

	For the Three Months Ended March 31, 2026		For the Period from March 24, 2025 (Inception) Through March 31, 2025
General and administrative expenses	$	257,724	$	20,608
Interest earned on interest-bearing demand deposits held in Trust Account	$	4,270,890	$	—

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Description of Organization and Business Operations - Additional Information (Detail) - USD ($)	Dec. 31, 2025	Oct. 01, 2025	Sep. 30, 2025	Mar. 31, 2026
Description of Organization and Business Operations [Line Items]
Sale of stock, price per share		$ 10
Underwriting fee net of reimbursement		$ 1,000,000
Offering costs		$ 735,700
Investment owned, net assets, percentage		80.00%
Price per public share		$ 10
Public shares redemption restriction percentage		15.00%
Public shares redemption obligation percentage		100.00%
Excise tax on stock repurchases percentage		1.00%
Dissolution expense limit		$ 100,000
Business Combination, Series of Individually Immaterial Business Combinations [Member]
Description of Organization and Business Operations [Line Items]
Business combination,interest in acquiree, percentage		50.00%
Minimum [Member]
Description of Organization and Business Operations [Line Items]
Price per Public share trust account		$ 10
Price per public share		$ 10
Securities Financing Transaction, Cost [Member]
Description of Organization and Business Operations [Line Items]
Transaction costs		$ 23,835,700
Cash Underwriting Fee [Member]
Description of Organization and Business Operations [Line Items]
Cash underwriting fee		7,000,000
Deferred Underwriting Fee [Member]
Description of Organization and Business Operations [Line Items]
Cash underwriting fee		$ 16,100,000
IPO [Member]
Description of Organization and Business Operations [Line Items]
Sale of stock, number of shares issued		46,000,000
Proceeds from issuance or sale of equity		$ 460,000,000
Private Placement [Member]
Description of Organization and Business Operations [Line Items]
Stock issued during period, shares, new issues		6,000,000
Shares issued, price per share		$ 11.5
Sale of stock, number of shares issued		900,000	900,000
Sale of stock, price per share		$ 10		$ 10
Proceeds from issuance of private placement	$ 9,000,000	$ 9,000,000
Common Stock [Member]
Description of Organization and Business Operations [Line Items]
Stock issued during period, shares, new issues		46,000,000
Shares issued, price per share		$ 10
Proceeds from issuance initial public offering		$ 460,000,000

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Summary of Significant Accounting Policies - Additional Information (Detail)					3 Months Ended	9 Months Ended
	Feb. 11, 2026 $ / shares shares	Dec. 31, 2025 USD ($)	Dec. 18, 2025 $ / shares shares	Oct. 01, 2025 USD ($) $ / shares	Mar. 31, 2026 USD ($) $ / shares	Dec. 31, 2025 USD ($)
Related Party Transaction [Line Items]
Cash		$ 784,949			$ 637,186	$ 784,949
Working capital earnings deficit					530,428
Cash and cash equivalent		0			0	0
Cash held in trust account		464,648,083			468,918,973	464,648,083
Unrecognized tax benefits		0			0	0
Amounts accrued					0	0
Cash, FDIC Insured Amount					250,000
Warrants and Rights Outstanding		$ 9,380,000			9,380,000	9,380,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 11.5
December 18, 2025 Grant [Member] | Founder Shares [Member]
Related Party Transaction [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Aggregate Fair Value Of Awards Granted		150,600
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross | shares			30,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares			$ 5.02
February 11, 2026 Grant [Member] | Founder Shares [Member]
Related Party Transaction [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Aggregate Fair Value Of Awards Granted	178,800
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross | shares	30,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 5.96
Public Warrants [Member]
Related Party Transaction [Line Items]
Warrants and Rights Outstanding		$ 9,200,000		$ 3,036,000	$ 9,200,000	9,200,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 0.33	$ 11.5
Working Capital Loan [Member]
Related Party Transaction [Line Items]
Debt instrument, carrying amount					$ 1,500,000
Debt instrument conversion price | $ / shares					$ 10
Debt, current		$ 0			$ 0	$ 0
Unsecured Debt [Member]
Related Party Transaction [Line Items]
Proceeds from issuance of unsecured debt					$ 300,000
Repayments of unsecured debt				$ 212,377

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Summary of Significant Accounting Policies - Schedule of reflects the calculation of basic and diluted net income per ordinary share (Detail) - $ / shares			3 Months Ended
		Mar. 31, 2025	Mar. 31, 2026
Common Class A [Member]
Basic net income (loss) per ordinary share
Allocation of net income (loss), basic		$ 0	$ 3,222,902
Basic weighted average shares outstanding		0	46,900,000
Basic net income (loss) per ordinary share		$ 0	$ 0.07
Diluted net income (loss) per ordinary share
Allocation of net income (loss), diluted		$ 0	$ 3,222,902
Diluted weighted average shares outstanding		0	46,900,000
Diluted net income (loss) per ordinary share		$ 0	$ 0.07
Common Class B [Member]
Basic net income (loss) per ordinary share
Allocation of net income (loss), basic		$ (20,608)	$ 790,264
Basic weighted average shares outstanding	[1]	10,000,000	11,500,000
Basic net income (loss) per ordinary share		$ 0	$ 0.07
Diluted net income (loss) per ordinary share
Allocation of net income (loss), diluted		$ (20,608)	$ 790,264
Diluted weighted average shares outstanding	[1]	10,000,000	11,500,000
Diluted net income (loss) per ordinary share		$ 0	$ 0.07

[1] Prior to the Initial Public Offering, 1,500,000 Class B ordinary shares were subject to forfeiture depending on the extent to which the underwriter exercised its over-allotment option and were therefore excluded from certain share calculations where applicable. On October 1, 2025, the underwriters exercised the over-allotment option in full in connection with the closing of the Initial Public Offering, and accordingly, such Founder Shares are no longer subject to forfeiture (see Note 4).

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Summary of Significant Accounting Policies - Schedule Of Quantitative Information Regarding Market Assumptions Used In The Valuation Of Public Warrants (Detail)	Oct. 01, 2025 $ / shares
Accounting Policies [Abstract]
Underlying stock price	$ 10.03
Exercise price	$ 11.5
Volatility	5.00%
Term (in years)	7 years
Risk-free rate	3.81%
Market adjustment	25.30%

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Summary of Significant Accounting Policies - Schedule Of Class A Ordinary Shares Subject To Possible Redemption Reflected In Balance Sheet (Detail) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Accounting Policies [Abstract]
Gross proceeds		$ 460,000,000
Proceeds allocated to Public Warrants		(3,036,000)
Public Shares issuance costs		(23,664,360)
Accretion of carrying value to redemption value	$ 4,270,890	31,348,443
Class A ordinary shares subject to possible redemption	$ 468,918,973	$ 464,648,083

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Initial Public Offering - Additional Information (Detail)	Oct. 01, 2025 $ / shares shares
Subsidiary, Sale of Stock [Line Items]
Sale of stock, price per share | $ / shares	$ 10
Common Class A [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of stock, price per share | $ / shares	$ 11.5
IPO [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of stock, number of shares issued | shares	46,000,000
Over-Allotment Option [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of stock, number of shares issued | shares	6,000,000

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Related Party Transactions - Additional Information (Detail) - USD ($)								3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Oct. 01, 2025	Sep. 30, 2025	Aug. 25, 2025	Mar. 31, 2025	Mar. 26, 2025	Mar. 31, 2026	Sep. 29, 2025
Related Party Transaction [Line Items]
Stock expenses in exchange for the issuance.							$ 25,000
Description of calculation of fair value of founder shares								calculation prepared by a third party valuation team which takes into consideration the underlying share price of $9.95, term of 0.10, risk-free rate of 4.34%, and a market adjustment of 17.6%.
Price per share			$ 10
Percentage of redeemed on initial public share offering	100.00%							100.00%
Administrative services expenses						$ 60,000		$ 60,000
Accrued expenses	$ 120,000	$ 60,000						120,000
Administrative Services and Indemnification Agreement [Member]
Related Party Transaction [Line Items]
Business Combination									$ 20,000
Promissory Note [Member]
Related Party Transaction [Line Items]
Debt instrument, face amount							$ 300,000
Promissory note			$ 212,377
Working Capital Loan [Member]
Related Party Transaction [Line Items]
Proceeds from Other Debt								0
Debt instrument, carrying amount	$ 1,500,000							$ 1,500,000
Debt instrument conversion price	$ 10							$ 10
Debt, current	$ 0	0						$ 0
Private Placement [Member]
Related Party Transaction [Line Items]
Sale of stock, number of shares issued			900,000	900,000
Price per share	$ 10		$ 10					$ 10
Gross proceeds		$ 9,000,000	$ 9,000,000
Private Placement [Member] | Working Capital Loan [Member]
Related Party Transaction [Line Items]
Debt instrument, carrying amount	$ 1,500,000							$ 1,500,000
Debt instrument conversion price	$ 10							$ 10
Sponsor [Member]
Related Party Transaction [Line Items]
Number of shares transferred					30,000
Shares transferred fair value					$ 52,290
Fair value of shares transferred par value					$ 1.743
Share-based payment	$ 0
Sponsor [Member] | Founder Shares [Member]
Related Party Transaction [Line Items]
Stock issued during period, shares, issued for services							11,500,000
Common stock, par or stated value per share							$ 0.0001
Shares issued							1,500,000
Percentage of forfeiture shares							20.00%

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Commitments and Contingencies - Additional Information (Detail) - USD ($)	Mar. 31, 2026	Oct. 01, 2025
Loss Contingencies [Line Items]
Price per share		$ 10
Underwriting agreement [Member]
Loss Contingencies [Line Items]
Initial offering period	45
Price per share		$ 10
Sale of stock	$ 8,000,000
Deferred underwriting per share	$ 0.35
Deferred underwriting commissions payable	$ 16,100,000
Over-allotment option [Member]
Loss Contingencies [Line Items]
Sale of stock, number of shares issued		6,000,000
Over-allotment option [Member] | Underwriting agreement [Member]
Loss Contingencies [Line Items]
Sale of stock, number of shares issued		6,000,000
Underwriting discount per share		$ 0.2
IPO [Member]
Loss Contingencies [Line Items]
Sale of stock, number of shares issued		46,000,000
IPO [Member] | Underwriting agreement [Member]
Loss Contingencies [Line Items]
Amount paid for closing the initial public offering	$ 1,000,000

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Shareholders' Deficit - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Oct. 01, 2025
Class of Stock [Line Items]
Common stock, voting rights	There is no cumulative voting with respect to the appointment of directors, with the result that the holders of more than 50% of the shares entitled to vote and voted for the appointment of directors can elect all of the directors. The shareholders are entitled to receive ratable dividends when, as and if declared by the board of directors out of funds legally available therefor. Prior to the initial Business Combination, only holders of the Founder Shares will have the right to vote on the appointment of directors. Holders of the Public Shares will not be entitled to vote on the appointment of directors during such time. Incumbent directors shall also have the ability to appoint additional directors or to appoint replacement directors in the event of a casual vacancy in accordance with the amended and restated memorandum and articles of association. Further, prior to the closing of the Business Combination, only holders of the Class B ordinary shares will be entitled to vote on transferring the Company by way of continuation in a jurisdiction outside the Cayman Islands (including any special resolution required to amend the constitutional documents of the Company or to adopt new constitutional documents of the Company, in each case, as a result of the Company approving a transfer by way of continuation in a jurisdiction outside the Cayman Islands) and, as a result, the Sponsor will be able to approve any such proposal without the vote of any other shareholder. The provisions of the amended and restated memorandum and articles of association governing the appointment of directors prior to the Business Combination and the Company’s continuation in a jurisdiction outside the Cayman Islands prior to the initial Business Combination may only be amended by a special resolution passed by holders representing at least two-thirds of the Company’s outstanding Class B ordinary shares. Holders of the public shares will not be entitled to vote on a special resolution to amend such provisions of the amended and restated memorandum and articles of association during such period.
Percentage of common stock on conversion of shares	20.00%
Common stock, conversion basis	one to one
Warrants and rights outstanding	$ 9,380,000	$ 9,380,000
Exercise price of warrants or rights			$ 11.5
Preferred shares [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Public warrants [Member]
Class of Stock [Line Items]
Warrants and rights outstanding	$ 9,200,000	$ 9,200,000	$ 3,036,000
Exercise price of warrants or rights	$ 11.5		$ 0.33
Warrants and rights outstanding, term	5 years
Private placement warrant [Member]
Class of Stock [Line Items]
Warrants and rights outstanding	$ 180,000	$ 180,000
Redemption price per unit	$ 0.01
Notice period to be given prior to redemption	30 days
Completion of business combination [Member] | Public warrants [Member]
Class of Stock [Line Items]
Class of warrants or rights exercisable	30 days
Class A ordinary share [Member]
Class of Stock [Line Items]
Temporary equity, shares issued	46,000,000	46,000,000
Class A ordinary share [Member] | Ordinary shares [Member]
Class of Stock [Line Items]
Common stock, par or stated value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares, issued	900,000	900,000
Common stock, shares, outstanding	900,000	900,000
Temporary equity, shares issued	46,000,000	46,000,000
Class A ordinary share [Member] | Public warrants [Member]
Class of Stock [Line Items]
Percentage adjusted exercise price of warrants	115.00%
Class A ordinary share [Member] | Public warrants [Member] | Share price 9.20 per share [Member]
Class of Stock [Line Items]
Share price	$ 9.2
Percentage of proceeds used for business combination	60.00%
Weighted average price of shares	$ 9.2
Class A ordinary share [Member] | Public warrants [Member] | Share price 18.00 per share [Member]
Class of Stock [Line Items]
Percentage adjusted exercise price of warrants	180.00%
Share redemption trigger price	$ 18
Class A ordinary share [Member] | Private placement warrant [Member] | Share price 18.00 per share [Member]
Class of Stock [Line Items]
Share price	$ 18
Number of trading days for determining the share price	20 days
Number of consecutive trading days for determining the share price	30 days
Class B ordinary share [Member] | Ordinary shares [Member]
Class of Stock [Line Items]
Common stock, par or stated value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares, issued	11,500,000	11,500,000
Common stock, shares, outstanding	11,500,000	11,500,000

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Segment Information - Additional Information (Detail) - USD ($)		3 Months Ended
	Mar. 31, 2025	Mar. 31, 2026	Dec. 31, 2025
Segment Reporting Information [Line Items]
Cash		$ 637,186	$ 784,949
Interest-bearing Demand Deposits held in Trust Account		468,918,973	464,648,083
General and administrative expenses	$ 20,608	257,724
Interest earned on interest-bearing demand deposits held in Trust Account	$ 0	4,270,890
CODM [Member]
Segment Reporting Information [Line Items]
Cash		637,186	784,949
Interest-bearing Demand Deposits held in Trust Account		$ 468,918,973	$ 464,648,083