10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

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

FOR THE QUARTERLY PERIOD ENDED June 29, 2025

☐     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: 001-40951

PORTILLO'S INC.

(Exact name of registrant as specified in its charter)

Delaware	87-1104304
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2001 Spring Road, Suite 400, Oak Brook, Illinois 60523
(Address of principal executive offices)

(630) 954-3773

(Registrant’s telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if changed since last report)

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

Title of each class	Trading Symbol	Name of each exchange on which registered
Class A common stock, $0.01 par value per share	PTLO	Nasdaq Global Select Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 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, a non-accelerated filer, a smaller reporting company, or an emerging growth company. (See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of 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 July 29, 2025, there were 71,905,580 shares of the registrant's Class A common stock, par value $0.01 per share, and 3,442,335 shares of the registrant's Class B common stock, par value $0.00001 per share, issued and outstanding.

TABLE OF CONTENTS

Cautionary Note Regarding Forward-Looking Information			1
Part I	Financial Information
	Item 1.	Financial Statements (Unaudited)	3
		Condensed Consolidated Balance Sheets	3
		Condensed Consolidated Statements of Operations	4
		Condensed Consolidated Statements of Stockholders' Equity	5
		Condensed Consolidated Statements of Cash Flows	7
		Notes to Condensed Consolidated Financial Statements	9
	Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	22
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	36
	Item 4.	Controls and Procedures	36
Part II	Other Information
	Item 1.	Legal Proceedings	37
	Item 1A.	Risk Factors	37
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	37
	Item 3.	Defaults Upon Senior Securities	37
	Item 4.	Mine Safety Disclosures	37
	Item 5.	Other Information	37
	Item 6.	Exhibits	38
	Signatures		39

Cautionary Note Regarding Forward-Looking Information

This Quarterly Report on Form 10-Q ("Form 10-Q") contains forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995 ("PSLRA"), which are subject to known and unknown risks, uncertainties and other important factors that may cause actual results to be materially different from the statements made herein. All statements other than statements of historical fact are forward-looking statements. Many of the forward-looking statements are located in Part I, Item 2 of this Form 10-Q under the heading "Management's Discussion and Analysis of Financial Condition and Results of Operations." Forward-looking statements discuss our current expectations and projections relating to our financial position, results of operations, plans, objectives, future performance and business. You can identify forward-looking statements by the fact that they do not relate strictly to historical or current facts. These statements may include words such as "aim," "anticipate," "believe," "estimate," "expect," "forecast," "future," "outlook," "potential," "project," "projection," "plan," "intend," "seek," "may," "could," "would," "will," "should," "can," "can have," "likely," the negatives thereof and other similar expressions.

Forward-looking statements are based on our current expectations and assumptions regarding our business, the economy and other future conditions. Because forward-looking statements relate to the future, by their nature, they are subject to inherent uncertainties, risks and changes in circumstances that we may not predict. As a result, our actual results may differ materially from those contemplated by the forward-looking statements, and you should not unduly rely on these statements. Important factors that could cause actual results to differ materially from those in the forward-looking statements include regional, national or global political, economic, business, competitive, market and regulatory conditions and the following:

•risks related to or arising from our organizational structure;

•risks of food-borne illness and food safety and other health concerns about our food;

•risks relating to the economy and financial markets, including in relation to trade and tax policy changes and other macroeconomic uncertainty, including inflation, fluctuating interest rates, stock market volatility, recession concerns, and other factors;

•the impact of unionization activities of our team members on our reputation, operations and profitability;

•risks associated with our reliance on certain information technology systems, including our new enterprise resource planning system, and potential failures or interruptions;

•risks associated with data, privacy, cyber security and the use and implementation of information technology systems, including our digital ordering and payment platforms for our delivery business;

•risks associated with increased adoption, implementation and use of artificial intelligence technologies across our business;

•the impact of competition, including from our competitors in the restaurant industry or our own restaurants;

•the increasingly competitive labor market and our ability to attract and retain the best talent and qualified employees;

•the impact of federal, state or local government regulations relating to privacy, data protection, advertising and consumer protection, building and zoning requirements, labor and employment matters, costs of or ability to open new restaurants, or the sale of food and alcoholic beverages;

•inability to achieve our growth strategy, such as the availability of suitable new restaurant sites in existing and new markets and opening of new restaurants at the anticipated rate and on the anticipated timeline;

•the impact of consumer sentiment and other economic factors on our sales;

•increases in food and other operating costs, tariffs and import taxes, and supply shortages; and

•other risks identified in our filings with the Securities and Exchange Commission (the “SEC").

All forward-looking statements are expressly qualified in their entirety by these cautionary statements. You should evaluate all forward-looking statements made in this Form 10-Q in the context of the risks and uncertainties disclosed in our Annual Report on Form 10-K for the fiscal year ended December 29, 2024 filed with the SEC on February 25, 2025, and subsequent filings with the SEC, which are available on the SEC's website at www.sec.gov.

The forward-looking statements included in this Form 10-Q are made only as of the date hereof. The Company undertakes no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or otherwise, except as otherwise required by law.

Portillo's Inc. Form 10-Q | 1

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements (Unaudited)
	Page
Condensed Consolidated Balance Sheets	3
Condensed Consolidated Statements of Operations	4
Condensed Consolidated Statements of Stockholders' Equity	5
Condensed Consolidated Statements of Cash Flows	7
Notes to Condensed Consolidated Financial Statements	9
Note 1. Description Of Business	9
Note 2. Summary Of Significant Accounting Policies	9
Note 3. Revenue Recognition	10
Note 4. Inventories	11
Note 5. Property & Equipment, Net	12
Note 6. Goodwill & Intangible Assets	12
Note 7. Fair Value of Financial Instruments	13
Note 8. Debt	14
Note 9. Non-Controlling Interests	15
Note 10. Equity-Based Compensation	16
Note 11. Income Taxes	17
Note 12. Earnings Per Share	18
Note 13. Contingencies	19
Note 14. Segment Information	19
Note 15. Related Party Transactions	19
Note 16. Subsequent Events	21

Portillo's Inc. Form 10-Q | 2

PORTILLO'S INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(UNAUDITED)

(In thousands, except share and per share data)

+

	June 29, 2025		December 29, 2024
ASSETS
CURRENT ASSETS:
Cash and cash equivalents and restricted cash	$	16,621	$	22,876
Accounts and tenant improvement receivables	17,669		14,794
Inventories	10,098		7,915
Prepaid expenses	5,905		7,066
Total current assets	50,293		52,651
Property and equipment, net	384,883		358,975
Operating lease assets	243,220		222,390
Goodwill	394,298		394,298
Trade names	223,925		223,925
Other intangible assets, net	24,745		26,098
Equity method investment	15,538		16,056
Deferred tax assets	209,051		197,409
Other assets	7,777		8,284
Total other assets	875,334		866,070
TOTAL ASSETS	$	1,553,730	$	1,500,086
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
Accounts payable	$	43,683	$	45,516
Current portion of long-term debt	6,250		11,250
Current portion of Tax Receivable Agreement liability	9,177		7,686
Short-term debt	70,000		25,000
Deferred revenue	4,970		7,032
Short-term operating lease liabilities	6,458		6,013
Accrued expenses	30,730		33,072
Total current liabilities	171,268		135,569
LONG-TERM LIABILITIES:
Long-term debt, net of current portion	240,758		275,422
Tax Receivable Agreement liability	343,717		316,893
Long-term operating lease liabilities	306,692		278,540
Other long-term liabilities	3,498		3,559
Total long-term liabilities	894,665		874,414
Total liabilities	1,065,933		1,009,983
COMMITMENTS AND CONTINGENCIES (NOTE 13)
STOCKHOLDERS' EQUITY:
Preferred stock, $0.01 par value per share, 10,000,000 shares authorized, none issued or outstanding	—		—
Class A common stock, $0.01 par value per share, 380,000,000 shares authorized, and 71,890,168 and 63,674,579 shares issued and outstanding at June 29, 2025 and December 29, 2024 , respectively.	719		637
Class B common stock, $0.00001 par value per share, 50,000,000 shares authorized, and 3,442,335 and 10,732,800 shares issued and outstanding at June 29, 2025 and December 29, 2024, respectively.	—		—
Additional paid-in-capital	403,068		357,295
Retained earnings	55,146		43,129
Total stockholders' equity attributable to Portillo's Inc.	458,933		401,061
Non-controlling interest	28,864		89,042
Total stockholders' equity	487,797		490,103
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	1,553,730	$	1,500,086

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 3

PORTILLO'S INC

CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS

(UNAUDITED)

(In thousands, except share and per share data)

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
REVENUES, NET	$	188,456	$	181,862	$	364,893	$	347,693
COST AND EXPENSES:
Restaurant operating expenses:
Food, beverage and packaging costs	63,750		61,712		124,852		118,673
Labor	48,340		46,412		95,208		89,714
Occupancy	9,966		9,211		19,987		18,551
Other operating expenses	21,919		19,958		43,709		39,815
Total restaurant operating expenses	143,975		137,293		283,756		266,753
General and administrative expenses	18,798		17,941		37,701		36,481
Pre-opening expenses	1,697		2,100		2,205		3,523
Depreciation and amortization	7,137		7,106		14,177		14,050
Net income attributable to equity method investment	(382)		(335)		(546)		(540)
Other income, net	(300)		(358)		(312)		(786)
OPERATING INCOME	17,531		18,115		27,912		28,212
Interest expense	5,726		6,603		11,475		13,133
Interest income	(79)		(75)		(150)		(154)
Tax Receivable Agreement liability adjustment	(1,838)		(439)		(2,485)		(1,000)
INCOME BEFORE INCOME TAXES	13,722		12,026		19,072		16,233
Income tax expense	3,679		3,496		5,039		2,359
NET INCOME	10,043		8,530		14,033		13,874
Net income attributable to non-controlling interests	1,339		2,060		2,016		2,842
NET INCOME ATTRIBUTABLE TO PORTILLO'S INC.	$	8,704	$	6,470	$	12,017	$	11,032
Net income per common share attributable to Portillo's Inc.:
Basic	$	0.13	$	0.10	$	0.18	$	0.19
Diluted	$	0.12	$	0.10	$	0.18	$	0.18
Weighted-average common shares outstanding:
Basic	67,595,224		61,650,118		65,716,582		59,543,950
Diluted	69,867,802		64,608,698		68,174,864		62,577,748

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 4

PORTILLO'S INC

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(UNAUDITED)

(In thousands, except share data)

Quarter Ended June 29, 2025 and June 30, 2024
	Class A Common Stock			Class B Common Stock
	Shares	Amount		Shares	Amount		Additional Paid-in Capital		Retained Earnings		Non-Controlling Interest		Total Stockholders' Equity
Balance at March 31, 2024	61,561,592	$	615	11,640,555	$	—	$	341,750	$	18,174	$	91,806	$	452,345
Net income	—	—		—	—		—		6,470		2,060		8,530
Equity-based compensation	—	—		—	—		2,429		—		461		2,890
Activity under equity-based compensation plans	178,282	2		—	—		355		—		—		357
Non-controlling interest adjustment	—	—		—	—		403		—		(403)		—
Balance at June 30, 2024	61,739,874	617		11,640,555	—		344,937		24,644		93,924		464,122
Balance at March 30, 2025	63,905,130	639		10,732,800	—		359,798		46,442		88,527		495,406
Net income	—	—		—	—		—		8,704		1,339		10,043
Equity-based compensation	—	—		—	—		2,379		—		279		2,658
Activity under equity-based compensation plans	694,573	7		—	—		1,488		—		—		1,495
Redemption of LLC Units	7,290,465	73		(7,290,465)	—		(73)		—		—		—
Non-controlling interest adjustment	—	—		—	—		61,281		—		(61,281)		—
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	—	—		—	—		(21,805)		—		—		(21,805)
Balance at June 29, 2025	71,890,168	$	719	3,442,335	$	—	$	403,068	$	55,146	$	28,864	$	487,797

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 5

PORTILLO'S INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(UNAUDITED)

(In thousands, except share data)

Two Quarters Ended June 29, 2025 and June 30, 2024
	Class A Common Stock			Class B Common Stock
	Shares	Amount		Shares	Amount		Additional Paid-in Capital		Retained Earnings		Non-Controlling Interest		Total Stockholders' Equity
Balance at December 31, 2023	55,502,375	$	555	17,472,926	$	—	$	308,212	$	13,612	$	137,731	$	460,110
Net income	—	—		—	—		—		11,032		2,842		13,874
Equity-based compensation	—	—		—	—		4,650		—		1,067		5,717
Activity under equity-based compensation plans	405,128	4		—	—		1,168		—		—		1,172
Redemption of LLC Units	5,832,371	58		(5,832,371)	—		(58)		—		—		—
Non-controlling interest adjustment	—	—		—	—		46,878		—		(46,878)		—
Distributions paid to non-controlling interest holders	—	—		—	—		—		—		(838)		(838)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	—	—		—	—		(15,913)		—		—		(15,913)
Balance at June 30, 2024	61,739,874	617		11,640,555	—		344,937		24,644		93,924		464,122
Balance at December 29, 2024	63,674,579	637		10,732,800	—		357,295		43,129		89,042		490,103
Net income	—	—		—	—		—		12,017		2,016		14,033
Equity-based compensation	—	—		—	—		4,048		—		560		4,608
Activity under equity-based compensation plans	925,124	9		—	—		2,140		—		—		2,149
Redemption of LLC Units	7,290,465	73		(7,290,465)	—		(73)		—		—		—
Non-controlling interest adjustment	—	—		—	—		61,463		—		(61,463)		—
Distributions paid to non-controlling interest holders	—	—		—	—		—		—		(1,291)		(1,291)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	—	—		—	—		(21,805)		—		—		(21,805)
Balance at June 29, 2025	71,890,168	$	719	3,442,335	$	—	$	403,068	$	55,146	$	28,864	$	487,797

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 6

PORTILLO'S INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

(In thousands)

	Two Quarters Ended
	June 29, 2025		June 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	14,033	$	13,874
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,177		14,050
Amortization of debt issuance costs and discount	349		380
Loss on sales of assets	142		66
Equity-based compensation	4,608		5,717
Deferred income tax expense	5,039		2,359
Tax Receivable Agreement liability adjustment	(2,485)		(1,000)
Gift card breakage	(502)		(502)
Changes in operating assets and liabilities:
Accounts receivable	180		(681)
Receivables from related parties	(16)		(158)
Inventories	(2,183)		(22)
Other current assets	1,161		1,916
Operating lease assets	4,557		4,461
Accounts payable	(7,439)		6,833
Accrued expenses and other liabilities	(3,984)		(6,365)
Operating lease liabilities	(1,607)		(1,908)
Deferred lease incentives	1,586		2,101
Other assets and liabilities	1,077		507
NET CASH PROVIDED BY OPERATING ACTIVITIES	28,693		41,628
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(33,081)		(33,905)
Proceeds from the sale of property and equipment	5		77
NET CASH USED IN INVESTING ACTIVITIES	(33,076)		(33,828)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from short-term debt, net	45,000		2,000
Payments of long-term debt	(38,750)		(3,750)
Proceeds from equity offering, net of underwriting discounts	—		114,960
Repurchase of outstanding equity / Portillo's OpCo units	—		(114,960)
Distributions paid to non-controlling interest holders	(1,291)		(838)
Proceeds from stock option exercises	2,727		1,109
Employee withholding taxes related to net settled equity awards	(887)		(279)
Proceeds from Employee Stock Purchase Plan purchases	278		306
Payments of Tax Receivable Agreement liability	(7,686)		(4,429)
Payment of deferred financing costs	(1,263)		—
NET CASH USED IN FINANCING ACTIVITIES	(1,872)		(5,881)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	(6,255)		1,919
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF THE PERIOD	22,876		10,438
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF THE PERIOD	$	16,621	$	12,357

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 7

PORTILLO'S INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

(In thousands)

	Two Quarters Ended
	June 29, 2025		June 30, 2024
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid	$	11,800	$	12,792
Income tax paid	—		—
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures	$	19,264	$	10,397
Establishment of liabilities under Tax Receivable Agreement	38,485		33,690

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 8

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1.    DESCRIPTION OF BUSINESS

Portillo’s Inc. ("Inc.") was formed and incorporated as a Delaware corporation on June 8, 2021. Inc. was formed for the purpose of completing an initial public offering ("IPO") and related reorganization transactions in order to carry on the business of PHD Group Holdings LLC and its subsidiaries ("Portillo's OpCo"). Portillo's Inc. is the sole managing member of Portillo’s OpCo, and as sole managing member, Inc. operates and controls all of the business and affairs of Portillo's OpCo and reports a non-controlling interest representing the economic interest in Portillo's OpCo held by the other members of Portillo's OpCo (the "pre-IPO LLC Members"). Unless the context otherwise requires, references to "we," "us," "our," "Portillo's," and the "Company" refer to Portillo's Inc. and its subsidiaries, including Portillo's OpCo.

The Company operates restaurants in 10 states that serve Chicago-style hot dogs and sausages, Italian beef sandwiches, char-grilled burgers, chopped salads, crinkle-cut fries, homemade chocolate cake and more, along with two food production commissaries in Illinois. As of June 29, 2025, the Company had 93 restaurants in operation. The Company also had one non-traditional location in operation, a food truck. A ghost kitchen (small kitchen with no store-front presence, used to fill online orders) was closed during the second quarter ended June 29, 2025. Portillo's additionally has a 50% interest in a single restaurant owned by C&O Chicago, L.L.C. ("C&O"), which is excluded from the Company's restaurant count noted above. The Company’s principal corporate offices are located in Oak Brook, Illinois.

NOTE 2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The Company has prepared the accompanying unaudited condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial statements and pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC"). In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments consisting of normal recurring adjustments necessary for a fair presentation of our financial position and results of operations. Interim results of operations are not necessarily indicative of the results that may be achieved for the full year. The financial statements and related notes do not include all information and footnotes required by GAAP for annual reports. The unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in our Annual Report on Form 10-K for the fiscal year ended December 29, 2024.

All intercompany balances and transactions have been eliminated in consolidation.

The Company does not have any components of other comprehensive income (loss) recorded within its condensed consolidated financial statements, and therefore, does not separately present a statement of comprehensive income (loss).

Fiscal Year

The Company uses a 52- or 53-week fiscal year ending on the Sunday prior to or on December 31. In a 52-week fiscal year, each quarterly period is comprised of 13 weeks. The additional week in a 53-week fiscal year is added to the fourth quarter. Fiscal 2025 and 2024 consist of 52 weeks. The fiscal periods presented in this report are the quarters and two quarters ended June 29, 2025 and June 30, 2024, respectively.

Use of Estimates

The preparation of these condensed consolidated financial statements in conformity with GAAP requires 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 financial statements, and the reported amounts of sales and expenses during the period. Actual results could differ from those estimates.

Portillo's Inc. Form 10-Q | 9

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Recently Issued Accounting Standards

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) Improvements to Income Tax Disclosures, which requires public entities to disclose specific categories in the rate reconciliation and provide additional information for reconciling items that meet a quantitative threshold on an annual basis. ASU 2023-09 is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. The Company is currently evaluating the effect of adopting this ASU.

In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, which requires disaggregation of certain expense captions into specified categories in disclosures within the footnotes to the financial statements. In January 2025, the FASB issued ASU 2025-01 "Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures-Clarifying the Effective Date", which amends the effective date of ASU 2024-03 to clarify that all public business entities are required to adopt the guidance in annual reporting periods beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating the effect of adopting this ASU.

Recently Adopted Accounting Standards

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280) Improvements to Reportable Segment Disclosures, which requires public entities to disclose information about their reportable segments’ significant expenses on an interim and annual basis. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and for interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The Company adopted this standard for the year ended December 29, 2024. See Note 14. Segment Information for further detail.

The Company reviewed all other recently issued accounting pronouncements and concluded that they were either not applicable or not expected to have a significant impact to its condensed consolidated financial statements.

NOTE 3.    REVENUE RECOGNITION

Revenues from retail restaurants are presented net of discounts and recognized when food and beverage products are sold to the end customer. Sales taxes collected from customers are excluded from revenues and the obligation is included in accrued liabilities until the taxes are remitted to the appropriate taxing authorities.

Delivery sales are generally fulfilled by third-party delivery partners whether ordered through the Portillo's app and website ("Dispatch Sales") or through third-party delivery partners ("Marketplace Sales"). Dispatch Sales include delivery and service fees as the Company controls the delivery. Revenue from Dispatch Sales is recognized when food is delivered to the customer. For these sales, the Company receives payment directly from the customer at the time of sale. Revenue for Marketplace Sales is recognized in the amount paid to the delivery partner by the customer for food and excludes delivery and service fees charged by the third-party delivery partner as the Company does not control the delivery. Revenue from Marketplace Sales is recognized when food is delivered to the customer. For these sales, the Company receives payment from the delivery partner subsequent to the transfer of order, which is generally paid one week in arrears. For all delivery sales of food, the Company is considered the principal and recognizes revenue on a gross basis.

Gift Cards

The Company sells gift cards which do not have expiration dates. The Company records the sale of the gift card as a contract liability and recognizes revenue from gift cards when: (i) the gift card is redeemed by the customer; or (ii) in the event a gift card is not expected to be redeemed, in proportion to the pattern of rights exercised by the customer (gift card breakage). The Company has determined that 11% of gift card sales will not be redeemed and will be retained by us based on a portfolio assessment of historical data on gift card redemption patterns. Gift card breakage is recorded within revenues, net in the condensed consolidated statements of operations. The Company recognized gift card breakage of $0.2 million and $0.5 million for the quarter and two quarters ended June 29, 2025 and June 30, 2024, respectively.

Portillo's Inc. Form 10-Q | 10

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

The Company’s revenue related to performance obligations not yet satisfied is revenue from gift cards sold but not yet redeemed. The gift card liability included in deferred revenue on the condensed consolidated balance sheets is as follows (in thousands):

	June 29, 2025		December 29, 2024
Gift card liability	$	4,450	$	6,875

Revenue recognized in the condensed consolidated statement of operations for the redemption of gift cards that were included in their respective gift card liability balances at the beginning of the year is as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Revenue recognized from gift card liability balance at the beginning of the year	$	961	$	912	$	2,982	$	2,982

Loyalty Program

On March 3, 2025, the Company launched Portillo’s Perks™, an app-less loyalty program that lives in guests’ digital wallets. The loyalty program (“Perks”) is a visit-based program, and guests earn rewards based on qualified visits.

The Company defers revenue based on the average selling price of food, beverages, or retail merchandise earned through qualifying visits, establishing a corresponding Perks liability within deferred revenue on the condensed consolidated balance sheets. Currently, the Company does not record breakage due to the short expiration period of 14 to 30 days after the reward is issued. Upon redemption of Perks, revenue is recognized for redeemed food, beverage, or retail merchandise, and the Perks liability is reduced accordingly. As of June 29, 2025, the Perks liability was $0.1 million.

NOTE 4.    INVENTORIES

Inventories consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Raw materials	$	7,584	$	5,756
Work in progress	134		168
Finished goods	1,732		1,216
Consigned inventory	648		775
	$	10,098	$	7,915

Portillo's Inc. Form 10-Q | 11

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 5.    PROPERTY & EQUIPMENT, NET

Property and equipment, net consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Land and land improvements	$	24,274	$	24,100
Buildings and improvements	5,516		5,084
Furniture, fixtures, and equipment	182,248		177,443
Leasehold improvements	287,985		286,003
Transportation equipment	2,026		2,042
Construction-in-progress	43,427		12,348
	545,476		507,020
Less accumulated depreciation	(160,593)		(148,045)
	$	384,883	$	358,975

Depreciation expense was $6.4 million and $12.8 million for the quarter and two quarters ended June 29, 2025, respectively, and $6.4 million and $12.6 million for the quarter and two quarters ended June 30, 2024, respectively, and is included in depreciation and amortization in the condensed consolidated statements of operations.

NOTE 6.    GOODWILL & INTANGIBLE ASSETS

The Company has one reporting unit for goodwill which is evaluated for impairment annually in the fourth quarter of each fiscal year. No impairment charges were recognized for goodwill or indefinite-lived intangible assets for the quarter and two quarters ended June 29, 2025 and June 30, 2024.

Intangible assets, net consisted of the following (in thousands):

	As of June 29, 2025
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangible subject to amortization:
Recipes	56,117		(31,372)		24,745
	$	280,042	$	(31,372)	$	248,670

	As of December 29, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangible subject to amortization:
Recipes	56,117		(30,019)		26,098
	$	280,042	$	(30,019)	$	250,023

Amortization expense was $0.7 million and $1.4 million for the quarter and two quarters ended June 29, 2025 and June 30, 2024, respectively,

Portillo's Inc. Form 10-Q | 12

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

and is included in depreciation and amortization in the condensed consolidated statements of operations.

The estimated aggregate amortization expense related to intangible assets held at June 29, 2025 for the remainder of this year and the succeeding five years and thereafter is as follows (in thousands):

	Estimated Amortization
2025 (excluding the two quarters ended June 29, 2025)	$	1,354
2026	2,707
2027	2,707
2028	2,707
2029	2,150
2030	1,369
2031 and thereafter	11,751
	$	24,745

NOTE 7.    FAIR VALUE OF FINANCIAL INSTRUMENTS

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The carrying value of the Company's cash and cash equivalents and restricted cash, accounts and tenant improvement receivables, accounts payable and all other current assets and liabilities, approximate fair values due to the short-term nature of these financial instruments.

Other assets consist of long-term prepaid expenses and a deferred compensation plan with related assets held in a rabbi trust. Other long-term liabilities consist of a deferred gain on a supplier arrangement. Long-term prepaid expenses and other long-term liabilities approximate fair values due to the nature of these financial instruments.

Deferred Compensation Plan - The Company maintains a rabbi trust to fund obligations under a deferred compensation plan. Amounts in the rabbi trust are invested in mutual funds, which are designated as trading securities carried at fair value. The fair value measurement of these trading securities is considered Level 1 of the fair value hierarchy as they are measured using quoted market prices.

As of June 29, 2025 and December 29, 2024, the fair value of the mutual fund investments and deferred compensation obligations were as follows (in thousands):

	June 29, 2025		December 29, 2024
	Level 1		Level 1
Assets - Investments designated for deferred compensation plan
Cash accounts	$	867	$	988
Mutual funds	1,989		2,208
Total assets	$	2,856	$	3,196

As of June 29, 2025 and December 29, 2024, we had no Level 2 or Level 3 assets.

The deferred compensation investments and obligations are included in other assets, accrued expenses and other long-term liabilities in the consolidated balance sheets. Changes in the fair value of securities held in the rabbi trust are recognized as trading gains and losses and included in other income in the condensed consolidated statements of operations and offsetting increases or decreases in the deferred compensation obligation are recorded in accrued expenses and other long-term liabilities in the condensed consolidated balance sheets.

Refer to Note 8. Debt for additional information relating to the fair value of the Company's outstanding debt instruments.

Portillo's Inc. Form 10-Q | 13

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis

Assets and liabilities that are measured at fair value on a non-recurring basis include property and equipment, net, operating lease assets, equity-method investment, goodwill and indefinite-lived intangible assets. These assets are measured at fair value whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. There were no impairment charges recognized during the quarter and two quarters ended June 29, 2025 and June 30, 2024.

NOTE 8.     DEBT

Debt consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Term Loan	$	250,000	$	288,750
Revolver Facility	70,000		25,000
Unamortized discount and debt issuance costs	(2,992)		(2,078)
Total debt, net	317,008		311,672
Less: Short-term debt	(70,000)		(25,000)
Less: Current portion of long-term debt	(6,250)		(11,250)
Long-term debt, net	$	240,758	$	275,422

2025 Credit Agreement

On January 27, 2025 (the “2025 Credit Agreement Closing Date”), PHD Intermediate LLC ("Holdings"), Portillo’s Holdings LLC (the "Borrower"), the other Guarantors party thereto, the Lenders from time to time party thereto and Fifth Third Bank, National Association, as Administrative Agent (in such capacities, the "Administrative Agent"), the L/C Issuer and the Swing Line Lender entered into an amendment (the “Amendment”) to the credit agreement, dated as of February 2, 2023 (the "Existing Credit Agreement" and the Existing Credit Agreement as amended by the Amendment and as may be amended, restated, supplemented or otherwise modified from time to time thereafter, the "2025 Credit Agreement"), by and among Holdings, the Borrower, the other Guarantors from time to time party thereto, the Lenders from time to time party thereto and the Administrative Agent. The arrangement was accounted for as a debt modification.

The Existing Credit Agreement provided for a term A loan (the "2023 Term Loan") in an initial aggregate principal amount of $300.0 million and revolving credit commitments in an initial aggregate principal amount of $100.0 million (the "2023 Revolver Facility"). The Amendment provides for, among other things, (i) a $250 million term loan A facility (the “2025 Term Loan”) and (ii) revolving credit commitments in an initial aggregate principal amount of $150 million (the “2025 Revolver Facility” and, together with the Term Loan Facility, the “2025 Facilities”). The loans under each of the 2025 Facilities mature on January 27, 2030.

The 2023 Term Loan and 2023 Revolver Facility accrued, and the 2025 Term Loan and 2025 Revolver Facility accrue interest at the forward-looking secured overnight financing rate ("SOFR") plus an applicable rate determined upon the consolidated total net rent adjusted leverage ratio, in each case subject to a 0.00% floor.

As of June 29, 2025, the interest rate on the 2025 Term Loan and 2025 Revolver Facility was 6.55% and 6.58%, respectively. Pursuant to the 2025 Credit Agreement, as of June 29, 2025, the commitment fees to maintain the 2025 Revolver Facility were 0.20%, and letter of credit fees were 2.25%. Commitment fees and letter of credit fees are recorded as interest expense in the condensed consolidated statements of operations. As of June 29, 2025, the effective interest rate was 6.90%.

As of June 30, 2024, the interest rates on the 2023 Term Loan and 2023 Revolver Facility were 7.98% and 7.94%, respectively. Pursuant to the Existing Credit Agreement as of June 30, 2024, the commitment fees to maintain the 2023 Revolver Facility were 0.20% and letter of credit fees were 2.50%. As of June 30, 2024, the effective interest rate was 8.31%.

The 2025 Term Loan Facility will amortize in quarterly installments, commencing on the last day of the first full fiscal quarter ended after the 2025 Credit Agreement Closing Date, equaling an aggregate amount of $6.3 million for the first 2 years following the 2025 Credit Agreement Closing Date, (ii) $12.5 million for the third and fourth years following the 2025 Credit Agreement Closing Date and (iii) $25.0 million for the fifth

Portillo's Inc. Form 10-Q | 14

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

year following the 2025 Credit Agreement Closing Date, with the balance payable on the final maturity date.

As of June 29, 2025, outstanding borrowings under the 2025 Credit Agreement totaled $320.0 million, comprised of $250.0 million under the 2025 Term Loan, and $70.0 million under the 2025 Revolver Facility. Letters of credit issued under the 2025 Revolver Facility totaled $5.3 million. As a result, as of June 29, 2025, the Company had $74.7 million available under the 2025 Revolver Facility.

As of December 29, 2024, outstanding borrowings under the Existing Credit Agreement totaled $313.8 million, comprised of $288.8 million under the 2023 Term Loan, and $25.0 million under the 2023 Revolver Facility. Letters of credit issued under the 2023 Revolver Facility totaled $5.3 million. As a result, as of December 29, 2024, the Company had $69.7 million available under the 2023 Revolver Facility. All amounts outstanding under the 2023 Term Loan and 2023 Revolver Facility were refinanced in connection with the Amendment.

Discount, Debt Issuance Costs and Interest Expense

Pursuant to the 2025 Credit Agreement, the Company capitalized deferred financing costs and issuance discounts of $1.3 million. The remaining unamortized costs under the 2023 Credit Agreement were $2.0 million. The total deferred financing costs and issuance discounts of $3.3 million will be amortized over the term of the 2025 Credit Agreement.

The Company amortized an immaterial amount of deferred financing costs during both the quarters ended June 29, 2025 and June 30, 2024, and $0.1 million of deferred financing costs during both the two quarters ended June 29, 2025 and June 30, 2024, which is included in interest expense in the condensed consolidated statements of operations. In addition, the Company amortized $0.2 million and $0.3 million in original issue discount related to the long-term debt during the quarter and two quarters ended June 29, 2025, respectively, and $0.2 million and $0.3 million in the quarter and two quarters ended June 30, 2024, respectively, which is included in interest expense in the condensed consolidated statements of operations.

Total interest expense was $5.7 million and $11.5 million for the quarter and two quarters ended June 29, 2025, respectively, and $6.6 million and $13.1 million for the quarter and two quarters ended June 30, 2024, respectively.

Fair Value of Debt

As of June 29, 2025 and December 29, 2024, the fair value of long-term debt approximates the carrying value as it is variable rate debt. The fair value measurement of this debt is considered Level 2 of the fair value hierarchy as inputs to interest are observable, unadjusted quoted prices in active markets for similar assets or liabilities.

Guarantees and Covenants

The 2025 Credit Agreement contains customary representations and warranties, events of default, reporting and other affirmative covenants and negative covenants, including limitations on indebtedness, liens, investments, negative pledges, dividends, junior financings and other fundamental changes. The 2025 Facilities are guaranteed, subject to customary exceptions, by all of the Borrower’s wholly-owned domestic restricted subsidiaries and Holdings, and are secured by a lien on substantially all of the Borrower’s assets, including fixed assets and intangibles, and the assets of the Guarantors, in each case, subject to customary exceptions. Failure to comply with these covenants and restrictions could result in an event of default under the 2025 Credit Agreement. In such an event, all amounts outstanding under the 2025 Credit Agreement, together with any accrued interest, could then be declared immediately due and payable.

As of June 29, 2025, the Company was in compliance with financial covenants in the 2025 Credit Agreement.

NOTE 9.     NON-CONTROLLING INTERESTS

We are the sole managing member of Portillo's OpCo, and as a result, consolidate the financial results of Portillo's OpCo. We report a non-controlling interest to reflect the entitlement of the pre-IPO LLC Members who retained their equity ownership in Portillo's OpCo (the "pre-IPO LLC Members"). Changes in our ownership interest in Portillo's OpCo while we retain our controlling interest in Portillo's OpCo will be accounted for as equity transactions. As such, future redemptions or direct exchanges of LLC Units in Portillo's OpCo by the pre-IPO LLC members will result in a change in ownership and reduce the amount recorded as non-controlling interest and increase additional paid-in capital.

Portillo's Inc. Form 10-Q | 15

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

In the second quarter of 2025, certain pre-IPO Members affiliated with Berkshire Partners LLC redeemed 7,290,465 LLC units in the aggregate for newly-issued shares of Class A common stock on a one-for-one basis, in accordance with the terms of the Second Amended and Restated LLC agreement of Portillo's OpCo, dated as of October 20, 2021.

The following table summarizes the LLC interest ownership by Portillo's Inc. and pre-IPO LLC members:

	June 29, 2025			December 29, 2024
	LLC Units	Ownership %		LLC Units	Ownership %
Portillo's Inc.	71,890,168	95.4	%	63,674,579	85.6	%
pre-IPO LLC Members	3,442,335	4.6	%	10,732,800	14.4	%
Total	75,332,503	100.0	%	74,407,379	100.0	%

The weighted average ownership percentages for the applicable reporting periods are used to attribute net income to Portillo's Inc. and the pre-IPO LLC Members. The pre-IPO LLC Members' weighted average ownership percentage for the quarter and two quarters ended June 29, 2025 was 9.9% and 12.2%, respectively. The pre-IPO LLC Members' weighted average ownership percentage for the quarter and two quarters ended June 30, 2024 was 15.9% and 18.7%, respectively.

The following table summarizes the effects of changes in ownership in Portillo's OpCo on the Company’s equity (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Net income attributable to Portillo's Inc.	$	8,704	$	6,470	$	12,017	$	11,032
Activity under equity-based compensation plans	1,488		355		2,140		1,168
Non-controlling interest adjustment	61,281		403		61,463		46,878
Redemption of LLC Units	(73)		—		(73)		(58)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(21,805)		—		(21,805)		(15,913)
Total effect of changes in ownership interest on equity attributable to Portillo's Inc.	$	49,595	$	7,228	$	53,742	$	43,107

NOTE 10.    EQUITY-BASED COMPENSATION

Equity-based compensation expense is calculated based on equity awards ultimately expected to vest and is reduced for estimated forfeitures. Forfeitures are revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates and an adjustment to equity-based compensation expense will be recognized at that time.

Equity-based compensation expense included in the Company’s consolidated statements of operations is as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Labor	$	505	$	546	$	858	$	954
General and administrative expenses	2,153		2,344		3,750		4,763
Total equity-based compensation expense	$	2,658	$	2,890	$	4,608	$	5,717

Portillo's Inc. Form 10-Q | 16

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Restricted Stock Units

During the two quarters ended June 29, 2025, the Company granted 589,745 RSUs, under the Portillo's Inc. 2021 Equity Incentive Plan (the "2021 Plan") to certain employees. During the two quarters ended June 29, 2025, we also granted 93,725 RSUs to non-employee directors under the 2021 Plan. The weighted average fair value of these awards was determined using the Company's closing stock price on the applicable grant dates, which was $12.08. The RSUs granted to employees will generally vest one-third on each of the first three anniversaries of the date of grant subject to continued service on such date. The RSUs granted to non-employee directors will vest at the end of this year.

Stock Options

During the quarter ended June 29, 2025, the Company granted 307,692 stock options under the 2021 Plan, to its President and Chief Executive Officer. The stock options vest on the fourth anniversary of the award and are exercisable within a 10-year period from the date of grant. The Company estimated the fair value of stock options on the date of grant using the Black-Scholes option-pricing model. The Black-Scholes option-pricing model requires estimates of highly subjective assumptions, which greatly affect the fair value of each stock option. The assumptions used to estimate the fair value of stock options granted during the quarter ended June 29, 2025 were as follows:

	2025
Fair value of stock option	$6.50
Stock Price	$12.08
Risk-free interest rate	4.29%
Expected life (years)	6.3
Volatility	50.0%

Performance Stock Units

During the quarter and two quarters ended June 29, 2025, the Company granted 301,118 performance stock units ("PSUs") to its executive officers under the 2021 Plan. These PSUs will vest after the fiscal year ending December 26, 2027 based on continued service and the achievement of performance metrics. The amount of awards that can be earned ranges from 0% to 200% of the number of performance stock units granted, based on the achievement of approved financial goals tied to the cumulative growth of revenue and Adjusted EBITDA from fiscal year 2025 to fiscal year 2027. The fair value of these awards was determined using the Company's closing stock price on the date of grant of $12.08. Equity-based compensation costs associated with these PSUs are reassessed each reporting period based on estimated performance achievement. The cumulative effect on current and prior periods of a change in attainment is recognized in general and administrative expenses in the consolidated statements of operations in the period of change.

NOTE 11.    INCOME TAXES

We are the sole managing member of Portillo's OpCo, and as a result, consolidate the financial results of Portillo's OpCo. Portillo's OpCo is treated as a partnership for U.S. federal and most applicable state and local income tax purposes. As a partnership, Portillo's OpCo is generally not subject to U.S. federal and state and local income taxes. Any taxable income or loss generated by Portillo's OpCo is passed through to and included in the taxable income or loss of its members, including us, based upon the respective member's ownership percentage in Portillo's OpCo. We are subject to U.S. federal income taxes, in addition to state and local income taxes with respect to our allocable share of any taxable income or loss of Portillo's OpCo, as well as any stand-alone income or loss generated by Portillo's Inc.

Income Tax Expense

The effective income tax rate for the quarter and two quarters ended June 29, 2025 was 26.8% and 26.4%, respectively, and 29.1% and 14.5%, respectively, for the quarter and two quarters ended June 30, 2024. The decrease in our effective income tax rate for the quarter ended June 29, 2025 compared to the quarter ended June 30, 2024 was primarily driven by the decrease in the valuation allowance recorded against a portion of the Company's deferred tax assets as a result of the redemption of LLC Units that occurred in the second quarter of 2025. The increase in our effective income tax rate for the two quarters ended June 29, 2025 compared to the two quarters ended June 30, 2024 was

Portillo's Inc. Form 10-Q | 17

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

primarily driven by an increase in the Company's ownership interest in Portillo's OpCo, which increases its share of taxable income (loss) of Portillo's OpCo. The Company’s annual effective tax rate differs from the statutory rate of 21% primarily because of state and local taxes, deferred tax adjustments and impacts from equity-based award activity partially offset by the portion of Portillo's OpCo earnings that are attributable to non-controlling interest that the Company is not liable for federal or state income taxes.

We evaluate the realizability of our deferred tax assets on a quarterly basis and establish valuation allowances when it is more likely than not that all or a portion of a deferred tax asset may not be realized. As of June 29, 2025, the Company concluded, based on the weight of all available positive and negative evidence, that all of its deferred tax assets (except for those deferred tax assets relating to the basis difference in its investment in Portillo's OpCo that will never be realizable or only reverse upon the eventual sale of its interest in Portillo's OpCo, which we expect would result in a capital loss which we do not expect to be able to utilize) are more likely than not to be realized.

Tax Receivable Agreement

In the second quarter of 2025, in connection with the redemption of LLC Units further discussed in Note 15. Related Party Transactions, 7,290,465 LLC units in the aggregate were redeemed for newly-issued shares of Class A common stock on a one-for-one basis, in accordance with the terms of the Second Amended and Restated LLC agreement of Portillo's OpCo, dated as of October 20, 2021. As a result, an increase in the tax basis of assets of Portillo's OpCo subject to the provision of the TRA was recorded. The Company recorded a deferred tax asset of $16.7 million and an additional TRA liability of $38.5 million.

As of June 29, 2025, we estimated that our obligation for future payments under the TRA liability totaled $352.9 million. During the two quarters ended June 29, 2025 and June 30, 2024, the Company made TRA payments of $7.7 million relating to tax year 2023 and $4.4 million relating to tax year 2022, respectively. We expect a payment of $9.2 million relating to tax year 2024 to be paid within the next 12 months.

NOTE 12.    EARNINGS PER SHARE

Basic net earnings per share of Class A common stock is computed by dividing net income attributable to Portillo's Inc. by the weighted-average number of Class A common stock outstanding.

Diluted net earnings per share is computed by dividing net income attributable to Portillo's Inc. by the weighted-average number of dilutive securities, using the treasury stock method.

The computations of basic and diluted earnings per share for the quarter and two quarters ended June 29, 2025 and June 30, 2024 are as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Net income	$	10,043	$	8,530	$	14,033	$	13,874
Net income attributable to non-controlling interests	1,339		2,060		2,016		2,842
Net income attributable to Portillo's Inc.	$	8,704	$	6,470	$	12,017	$	11,032
Shares:
Weighted-average number of common shares outstanding-basic	67,595		61,650		65,717		59,544
Dilutive share awards	2,273		2,959		2,458		3,034
Weighted-average number of common shares outstanding-diluted	69,868		64,609		68,175		62,578
Basic net income per share	$	0.13	$	0.10	$	0.18	$	0.19
Diluted net income per share	$	0.12	$	0.10	$	0.18	$	0.18

Portillo's Inc. Form 10-Q | 18

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Shares of the Company’s Class B Common Stock do not participate in the earnings or losses of Portillo's Inc. and are therefore not participating securities. As such, separate presentation of basic and diluted earnings per share of Class B Common Stock under the two-class method has not been presented.

The following shares were excluded from the calculation of diluted earnings per share because they would be antidilutive or subject to performance conditions which have not been satisfied by the end of the reporting period (in thousands):

	Quarter Ended		Two Quarters Ended
	June 29, 2025	June 30, 2024	June 29, 2025	June 30, 2024
Performance Stock Options	1,377	2,109	1,377	2,109
Performance Stock Units	592	296	592	—
Restricted Stock Units	606	714	—	159
Stock Options	619	321	619	321
Total shares excluded from diluted net income per share	3,194	3,440	2,588	2,589

NOTE 13.    CONTINGENCIES

The Company is party to legal proceedings and potential claims arising in the normal conduct of business, including claims related to employment matters, contractual disputes, customer injuries, and property damage. Although the ultimate outcome of these claims and lawsuits cannot be predicted with certainty, management believes that the resulting liability, if any, will not have a material effect on the Company’s condensed consolidated financial statements.

NOTE 14.    SEGMENT INFORMATION

The Company's chief operating decision maker (the "CODM") is its Chief Executive Officer. As the CODM reviews financial performance and allocates resources at a consolidated level on a recurring basis, the Company has one operating segment and one reportable segment.

The CODM allocates resources and assesses performance of the Company based on net income (loss), as reported on the condensed consolidated statement of operations, which as the segment measure of profit and loss that is closest to GAAP, is the required segment measure. Net income was $10.0 million and $14.0 million for the quarter and two quarters ended June 29, 2025, respectively, and $8.5 million and $13.9 million for the quarter and two quarters ended June 30, 2024, respectively. In addition to net income (loss), the CODM also reviews revenue, operating income (loss), restaurant-level adjusted EBITDA, and adjusted EBITDA.

The CODM reviews these measures (i) to evaluate the Company's operating results and the effectiveness of business strategies, (ii) internally as benchmarks to compare the Company's performance to its competitors and (iii) as factors in evaluating management's performance when determining incentive compensation. Additionally, the Company believes these measures are important to evaluate the performance and profitability of our restaurants, individually and in the aggregate.

The CODM does not review segment assets and segment expenses at a level different than what is reported in the Company's condensed consolidated balance sheet and condensed consolidated statement of operations. Additionally, the CODM regularly receives information about the Company's capital expenditures which are reported in the Company's condensed consolidated statement of cash flows as purchase of property and equipment under investing activities.

No guest accounts for 10% or more of our revenues.

NOTE 15.    RELATED PARTY TRANSACTIONS

As of June 29, 2025 and December 29, 2024 the related parties’ receivables balance consisted of $0.3 million, due from C&O, which is included in accounts and tenant improvement receivables in the condensed consolidated balance sheets.

Portillo's Inc. Form 10-Q | 19

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Olo, Inc.

Noah Glass, a member of the Company's Board, is the founder and CEO of Olo, Inc. ("Olo"), a platform the Company uses in connection with our mobile ordering application and delivery.

The Company incurred the following Olo-related costs for the quarter and two quarters ended June 29, 2025 and June 30, 2024 (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Food, beverage and packaging costs	$	497	$	512	$	984	$	1,014
Other operating expenses	142		138		293		240
Total Olo-related costs	$	639	$	650	$	1,277	$	1,254

As of June 29, 2025 and December 29, 2024, $0.3 million and $0.4 million, respectively, were payable to Olo and were included in accounts payable in the condensed consolidated balance sheets.

Tax Receivable Agreement

We are party to a TRA with certain members of Portillo's OpCo that provides for the payment by us of 85% of the amount of tax benefits, if any, that Portillo's Inc. actually realizes or in some cases is deemed to realize as a result of certain transactions. During the two quarters ended June 29, 2025 and June 30, 2024, the Company made TRA payments of $7.7 million relating to tax year 2023 and $4.4 million relating to tax year 2022, respectively. We expect a payment of $9.2 million relating to tax year 2024 to be paid within the next 12 months.

(in thousands)	June 29, 2025		December 29, 2024
Current portion of Tax Receivable Agreement liability	$	9,177	$	7,686
Tax receivable agreement liability	343,717		316,893

Redemption of LLC Units

In the second quarter of 2025, certain pre-IPO Members affiliated with Berkshire Partners LLC redeemed 7,290,465 LLC units in the aggregate for newly-issued shares of Class A common stock on a one-for-one basis, in accordance with the terms of the Second Amended and Restated LLC agreement of Portillo's OpCo, dated as of October 20, 2021. Berkshire Partners LLC and its affiliates beneficially own approximately 5.2% of the Company as of June 29, 2025.

Distributions to Non-Controlling Interest Holders

	Quarter Ended				Two Quarters Ended
(in thousands)	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Distributions paid to non-controlling interest holders	$	—	$	—	$	1,291	$	838

Portillo's Inc. Form 10-Q | 20

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 16.    SUBSEQUENT EVENTS

One Big Beautiful Bill Act

On July 4, 2025, the One Big Beautiful Bill Act ("the Act") was signed into law. The Act includes significant provisions, such as the permanent extension of certain expiring provisions of the Tax Cuts and Jobs Act, modifications to the international tax framework and the restoration of favorable tax treatment for certain business provisions. The legislation has multiple effective dates, with certain provisions effective in 2025 and others implemented through 2027. The impacts are not included in the Company's operating results for the six months ended June 29, 2025 since the legislation was not signed into law until after the end of the second quarter of 2025. We are currently assessing its impact on our consolidated financial statements, but do not expect a significant financial statement impact.

Portillo's Inc. Form 10-Q | 21

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

The following discussion contains, in addition to historical information, forward-looking statements that include risks and uncertainties. Our actual results may differ materially from those anticipated in these forward-looking statements as a result of certain factors, including those set forth under the heading “Cautionary Statements Concerning Forward-Looking Statements” in this report and under the heading “Risk Factors” in Part I, Item IA of our Annual Report on Form 10-K for the fiscal year ended December 29, 2024 and Part II, Item 1A of this Form 10-Q. The following discussion should be read in conjunction with our Annual Report on Form 10-K for the fiscal year ended December 29, 2024 and the condensed consolidated financial statements and notes thereto included in Part I, Item 1 of this Form 10-Q. All information presented herein is based on our fiscal calendar. Unless otherwise stated, references to particular years, quarters, months or periods refer to our fiscal years and the associated quarters, months and periods of those fiscal years.

Although we believe that the expectations reflected in the forward-looking statements are reasonable based on our current knowledge of our business and operations, we cannot guarantee future results, levels of activity, performance or achievements. We assume no obligation to provide revisions to any forward-looking statements should circumstances change.

The following discussion summarizes the significant factors affecting the condensed consolidated operating results, financial condition, liquidity and cash flows of our Company as of and for the periods presented below.

We have prepared the unaudited condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial statements and pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC").

Overview

Portillo’s serves iconic Chicago street food in high-energy, multichannel restaurants designed to ignite the senses and create memorable dining experiences. Since our founding in 1963 in a small trailer called “The Dog House,” we have grown to become a treasured brand with a passionate (some might say obsessed) nationwide following. Our diverse menu features all-American favorites such as Chicago-style hot dogs and sausages, Italian beef sandwiches, char-broiled burgers, fresh chopped salads, crinkle-cut fries, homemade chocolate cake and our signature chocolate cake shake. We create a consumer experience like no other by combining the best attributes of fast-casual and quick-service concepts with an exciting energy-filled atmosphere in a restaurant model capable of generating tremendous volumes. Nearly all of our restaurants were built with double lane drive-thrus and have been thoughtfully designed with a layout that accommodates a variety of access modes including dine-in, carryout, delivery and catering to quickly and efficiently serve our guests. We believe the combination of our craveable food, multichannel sales model, dedication to operational excellence, and distinctive team member-driven culture gives us a competitive advantage.

As of June 29, 2025, we owned and operated 94 Portillo’s restaurants across ten states, including a restaurant owned by C&O Chicago, L.L.C. ("C&O") of which Portillo’s owns 50% of the equity.

Portillo's Inc. Form 10-Q | 22

Financial Highlights for the Quarter Ended June 29, 2025 vs. Quarter Ended June 30, 2024:

•Total revenue of $188.5 million, an increase of 3.6% or $6.6 million

•Same-restaurant sales increase of +0.7%

•Operating income of $17.5 million, a decrease of $0.6 million

•Net income of $10.0 million, an increase of $1.5 million

•Restaurant-Level Adjusted EBITDA* of $44.5 million, a decrease of $0.1 million

•Adjusted EBITDA* of $30.1 million, an increase of $0.2 million

Financial Highlights for the Two Quarters Ended June 29, 2025 vs. Two Quarters Ended June 30, 2024:

•Total revenue of $364.9 million, an increase of 4.9% or $17.2 million

•Same restaurant sales increase of +1.2%

•Operating income of $27.9 million, a decrease of $0.3 million

•Net income of $14.0 million, an increase of $0.2 million

•Restaurant-Level Adjusted EBITDA* of $81.1 million, an increase of $0.2 million

•Adjusted EBITDA* of $51.3 million, a decrease of $0.4 million

* Adjusted EBITDA and Restaurant-Level Adjusted EBITDA are non-GAAP measures. Definitions and reconciliations of Adjusted EBITDA to net income (loss) and Restaurant-Level Adjusted EBITDA to operating income the most directly comparable financial measures presented in accordance with GAAP, are set forth under the section "Key Performance Indicators and Non-GAAP Financial Measures".

Recent Developments and Trends

In the quarter and two quarters ended June 29, 2025, total revenue grew 3.6% or $6.6 million and 4.9% or $17.2 million, respectively, primarily due to new restaurant openings in 2024 and an increase in same-restaurant sales. Same-restaurant sales increased 0.7% during the quarter ended June 29, 2025, compared to a 0.6% same-restaurant sales decline during the quarter ended June 30, 2024. Same-restaurant sales increased 1.2% during the two quarters ended June 29, 2025, compared to a 0.9% same-restaurant sales decline during the two quarters ended June 30, 2024. Refer to "Selected Operating Data" section below for definition of Same-Restaurant Sales.

In the quarter and two quarters ended June 29, 2025, commodity inflation was 1.9% and 2.6%, respectively, compared to 6.9% and 5.9% for the quarter and two quarters ended June 30, 2024, respectively. Labor, as a percentage of revenue, net, increased 0.2% and 0.3% during the quarter and two quarters ended June 29, 2025, respectively, compared to the quarter and two quarters ended June 30, 2024, primarily due to lower transactions, incremental wage rate increases and increased benefit costs, partially offset by a higher average check. In the first half of 2025, we increased certain menu prices by approximately 1.5% in January, 1.0% in April, and 0.7% in June. We will continue to prioritize strategies to drive higher traffic and mix at our restaurants while optimizing returns and retaining our top talent.

The second quarter represented the first full quarter following the launch of our loyalty program, Portillo’s Perks™. The program is designed to drive trial and build brand awareness in new markets, while encouraging incremental traffic and repeat visits across our existing footprint. We are actively monitoring guest engagement and response to the platform and will continue to evaluate and refine our promotional strategy and offer cadence as we move forward.

Additionally, effective as of June 16, 2025, Eugene I. Lee, Jr. was appointed to serve on the Board and on the Compensation Committee thereof.

Development Highlights

No new restaurants were opened during the two quarters ended June 29, 2025. Subsequent to June 29, 2025, we opened one additional restaurant in Tomball, Texas, bringing our total restaurant count to 95, as of the filing of this Quarterly Report on Form 10-Q, including a restaurant owned by C&O of which Portillo’s owns 50% of the equity.

In the second half of 2025, we plan to open 12 new restaurants. Our current focus continues to be in the Sunbelt, with plans to continue expanding in Texas as well as enter Atlanta in the second half of 2025. Additionally, we plan to open our first in-line, walk-up restaurant format this year, while simultaneously filling in existing markets, including Chicagoland and adjacent territories as opportunities come available. All our restaurant openings in 2025 are expected to be restaurant of the future ("RoTF 1.0"), except one pick-up only and our first in-line walk-up

Portillo's Inc. Form 10-Q | 23

restaurant. RoTF 1.0 is our 6,250 square foot prototype restaurant with a 47-foot production line that is more efficient to build and also better reflects the way consumers interact with our brand today.

Consolidated Results of Operations

The following table summarizes our results of operations for the quarter and two quarters ended June 29, 2025 and June 30, 2024 (in thousands):

	Quarter Ended								Two Quarters Ended
	June 29, 2025				June 30, 2024				June 29, 2025				June 30, 2024
REVENUES, NET	$	188,456	100.0	%	$	181,862	100.0	%	$	364,893	100.0	%	$	347,693	100.0	%
COST AND EXPENSES:
Restaurant operating expenses:
Food, beverage and packaging costs	63,750		33.8	%	61,712		33.9	%	124,852		34.2	%	118,673		34.1	%
Labor	48,340		25.7	%	46,412		25.5	%	95,208		26.1	%	89,714		25.8	%
Occupancy	9,966		5.3	%	9,211		5.1	%	19,987		5.5	%	18,551		5.3	%
Other operating expenses	21,919		11.6	%	19,958		11.0	%	43,709		12.0	%	39,815		11.5	%
Total restaurant operating expenses	143,975		76.4	%	137,293		75.5	%	283,756		77.8	%	266,753		76.7	%
General and administrative expenses	18,798		10.0	%	17,941		9.9	%	37,701		10.3	%	36,481		10.5	%
Pre-opening expenses	1,697		0.9	%	2,100		1.2	%	2,205		0.6	%	3,523		1.0	%
Depreciation and amortization	7,137		3.8	%	7,106		3.9	%	14,177		3.9	%	14,050		4.0	%
Net income attributable to equity method investment	(382)		(0.2)	%	(335)		(0.2)	%	(546)		(0.1)	%	(540)		(0.2)	%
Other income, net	(300)		(0.2)	%	(358)		(0.2)	%	(312)		(0.1)	%	(786)		(0.2)	%
OPERATING INCOME	17,531		9.3	%	18,115		10.0	%	27,912		7.6	%	28,212		8.1	%
Interest expense	5,726		3.0	%	6,603		3.6	%	11,475		3.1	%	13,133		3.8	%
Interest income	(79)		—	%	(75)		—	%	(150)		—	%	(154)		—	%
Tax Receivable Agreement liability adjustment	(1,838)		(1.0)	%	(439)		(0.2)	%	(2,485)		(0.7)	%	(1,000)		(0.3)	%
INCOME BEFORE INCOME TAXES	13,722		7.3	%	12,026		6.6	%	19,072		5.2	%	16,233		4.7	%
Income tax expense	3,679		2.0	%	3,496		1.9	%	5,039		1.4	%	2,359		0.7	%
NET INCOME	10,043		5.3	%	8,530		4.7	%	14,033		3.8	%	13,874		4.0	%
Net income attributable to non-controlling interests	1,339		0.7	%	2,060		1.1	%	2,016		0.6	%	2,842		0.8	%
NET INCOME ATTRIBUTABLE TO PORTILLO'S INC.	$	8,704	4.6	%	$	6,470	3.6	%	$	12,017	3.3	%	$	11,032	3.2	%

Revenues, Net

Revenues primarily represent the aggregate sales of food and beverages, net of discounts. Sales taxes collected from customers are excluded from revenues. Revenues in any period are directly influenced by, among other factors, the number of operating weeks in the period, the number of open restaurants, restaurant traffic, our menu prices, third-party delivery platform prices and product mix.

Revenues for the quarter ended June 29, 2025 were $188.5 million compared to $181.9 million for the quarter ended June 30, 2024, an increase of $6.6 million or 3.6%. The increase in revenues was primarily attributed to the opening of nine restaurants during the second through fourth quarters of 2024 and an increase in our same-restaurant sales. Restaurants not in our Comparable Restaurant Base (as defined in "Selected Operating Data" below) contributed $6.1 million of the total year-over-year increase. Same-restaurant sales increased 0.7%, or $1.1 million in the quarter. The same-restaurant sales increase was attributable to an increase in average check of 2.1%, partially offset by a 1.4% decrease in transactions. The higher average check was driven by an approximate 3.4% increase in certain menu prices, partially offset by a 1.3% decrease in product mix. To address inflationary cost pressures, we increased select menu prices by approximately 1.0% in April 2025 and 0.7% in June 2025. For the purpose of calculating same-restaurant sales for the quarter ended June 29, 2025, sales for 75 restaurants that were open for at least 24 full fiscal periods were included in the Comparable Restaurant Base.

Portillo's Inc. Form 10-Q | 24

The following table summarizes the Company's revenue for the quarter ended June 29, 2025 and June 30, 2024 (in thousands):

	Quarter Ended
	June 29, 2025		June 30, 2024		$ Change		% Change
Same-restaurant sales (75 restaurants) (1)	$	163,627	$	162,559	$	1,068	0.7	%
Restaurants not yet in comparable base opened in fiscal 2024 (10 restaurants) (1)	10,486		2,834		7,652		270.0	%
Restaurants not yet in comparable base opened in fiscal 2023 (8 restaurants) (1)	12,206		13,773		(1,567)		(11.4)	%
Other (2)	2,137		2,696		(559)		(20.7)	%
Revenues, net	$	188,456	$	181,862	$	6,594	3.6	%

(1) Total restaurants indicated are as of June 29, 2025. Excludes a restaurant that is owned by C&O of which Portillo’s owns 50% of the equity.

(2) Includes revenue from direct shipping sales and non-traditional locations.

Revenues for the two quarters ended June 29, 2025 were $364.9 million compared to $347.7 million for the two quarters ended June 30, 2024, an increase of $17.2 million or 4.9%. The increase in revenues was primarily attributed to the opening of ten restaurants in 2024 and an increase in our same-restaurant sales. Restaurants not in our Comparable Restaurant Base contributed $14.0 million of the total year-over-year increase. Same-restaurant sales increased 1.2%, or $3.7 million. The same-restaurant sales increase was attributable to an increase in average check of 3.4%, partially offset by a 2.2% decrease in transactions. The higher average check was primarily driven by an approximate 3.9% increase in menu prices partially offset by a 0.5% decrease in product mix. To address inflationary cost pressures, we increased select menu prices by approximately 1.5% in January 2025, 1.0% in April 2025, and 0.7% in June 2025 . For the purpose of calculating same-restaurant sales for the two quarters ended June 29, 2025, sales for 75 restaurants that were open for at least 24 full fiscal periods were included in the Comparable Restaurant Base.

	Two Quarters Ended
	June 29, 2025		June 30, 2024		$ Change		% Change
Same-restaurant sales (75 restaurants) (1)	$	310,707	$	306,999	$	3,708	1.2	%
Restaurants not yet in comparable base opened in fiscal 2024 (10 restaurants) (1)	22,425		3,413		19,012		557.0	%
Restaurants not yet in comparable base opened in fiscal 2023 (8 restaurants) (1)	26,547		31,587		(5,040)		(16.0)	%
Other (2)	5,214		5,694		(480)		(8.4)	%
Revenues, net	$	364,893	$	347,693	$	17,200	4.9	%

(1) Total restaurants indicated are as of June 29, 2025. Excludes a restaurant that is owned by C&O of which Portillo’s owns 50% of the equity.

(2) Includes revenue from direct shipping sales and non-traditional locations.

Food, Beverage and Packaging Costs

Food, beverage and packaging costs include the direct costs associated with food and beverages, including paper products and third-party delivery commissions. The components of food, beverage and packaging costs are variable by nature, change with sales volume, are impacted by product mix and are subject to increases or decreases in commodity costs, as well as geographic scale and proximity.

Food, beverage and packaging costs for the quarter ended June 29, 2025 were $63.8 million compared to $61.7 million for the quarter ended June 30, 2024, an increase of $2.0 million or 3.3%. This increase was primarily driven by a 1.9% increase in commodity prices and the opening of nine restaurants during the second through fourth quarters of 2024. As a percentage of revenues, net, food, beverage and packaging costs decreased 0.1% during the quarter ended June 29, 2025. The decrease was primarily due to an increase in average check, partially offset by an increase in certain commodity prices.

Food, beverage and packaging costs for the two quarters ended June 29, 2025 was $124.9 million compared to $118.7 million for the two quarters ended June 30, 2024, an increase of $6.2 million or 5.2%. This increase was primarily driven by a 2.6% increase in commodity prices and the opening of ten restaurants in 2024. As a percentage of revenues, net, food, beverage and packaging costs increased 0.1% during the two quarters ended June 29, 2025. The increase was primarily due to an increase in certain commodity prices, partially offset by an increase in average check.

Portillo's Inc. Form 10-Q | 25

Labor Expenses

Labor expenses include hourly and management wages, bonuses and equity-based compensation, payroll taxes, workers’ compensation expense, and team member benefits. Factors that influence labor costs include wage inflation and payroll tax legislation, health care costs and the staffing needs of our restaurants.

Labor expenses for the quarter ended June 29, 2025 were $48.3 million compared to $46.4 million for the quarter ended June 30, 2024, an increase of $1.9 million or 4.2%. This increase was primarily driven by the opening of nine restaurants in second through fourth quarters of 2024 and incremental investments to support our team members. As a percentage of revenues, net, labor increased 0.2% during the quarter ended June 29, 2025. The increase was primarily due to lower transactions, increased benefit costs, and incremental wage increases, partially offset by labor efficiencies and an increase in our average check.

Labor expenses for the two quarters ended June 29, 2025 were $95.2 million compared to $89.7 million for the two quarters ended June 30, 2024, an increase of $5.5 million or 6.1%. This increase was primarily driven by the opening of ten restaurants in 2024, an increase in benefit expenses, incremental investments to support our team members, and higher variable-based compensation. As a percentage of revenues, net, labor increased 0.3% primarily due to lower transactions, increased benefit costs, and incremental wage increases, partially offset by labor efficiencies and an increase in our average check.

Occupancy Expenses

Occupancy expenses primarily consist of rent, property insurance and property taxes, and exclude occupancy expenses associated with unopened restaurants, which are recorded separately in pre-opening expenses.

Occupancy expenses for the quarter ended June 29, 2025 were $10.0 million compared to $9.2 million for the quarter ended June 30, 2024, an increase of $0.8 million or 8.2%, primarily driven by the opening of nine restaurants in second through fourth quarters of 2024. As a percentage of revenues, net, occupancy expenses increased 0.2%.

Occupancy expenses for the two quarters ended June 29, 2025 were $20.0 million compared to $18.6 million for the two quarters ended June 30, 2024, an increase of $1.4 million or 7.7%, primarily driven by the opening of ten restaurants in 2024. As a percentage of revenues, net, occupancy expenses increased 0.1%.

Other Operating Expenses

Other operating expenses consist of direct marketing expenses, utilities and other operating expenses incidental to operating our restaurants, such as credit card fees and repairs and maintenance.

Other operating expenses for the quarter ended June 29, 2025 were $21.9 million compared to $20.0 million for the quarter ended June 30, 2024, an increase of $2.0 million or 9.8%, primarily due to the opening of nine restaurants in the second through fourth quarters of 2024, and an increase in repairs and maintenance, utilities, and insurance expense, partially offset by lower cleaning expenses due to vendor renegotiation. As a percentage of revenues, net, operating expenses increased 0.6% primarily due to the aforementioned increases in expenses, partially offset by an increase in our average check.

Other operating expenses for the two quarters ended June 29, 2025 were $43.7 million compared to $39.8 million for the two quarters ended June 30, 2024, an increase of $3.9 million or 9.8%, primarily due to the opening of ten restaurants in 2024, and an increase in repairs and maintenance, utilities, and IT expenses, partially offset by lower cleaning expenses due to vendor renegotiation. As a percentage of revenues, net, operating expenses increased 0.5% primarily due to the aforementioned increases in expenses, partially offset by an increase in our average check.

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General and Administrative Expenses

General and administrative expenses primarily consist of costs associated with our corporate and administrative functions that support restaurant development and operations, including marketing and advertising costs incurred as well as legal and professional fees. General and administrative expenses also include equity-based compensation expense. General and administrative expenses are impacted by changes in our team member count and costs related to strategic and growth initiatives.

General and administrative expenses for the quarter ended June 29, 2025 were $18.8 million compared to $17.9 million for the quarter ended June 30, 2024, an increase of $0.9 million or 4.8%. This increase was primarily driven by higher professional fees and advertising expenses, partially offset by lower equity-based compensation.

General and administrative expenses for the two quarters ended June 29, 2025 were $37.7 million compared to $36.5 million for the two quarters ended June 30, 2024, an increase of $1.2 million or 3.3%. This increase was primarily driven by higher advertising expenses and software license fees related to our enterprise resource planning ("ERP") and human capital management ("HCM") system implementations, partially offset by lower equity-based compensation.

Pre-Opening Expenses

Pre-opening expenses consist primarily of wages, occupancy expenses, which represent rent expense recognized during the period between the date of possession and the restaurant opening date, travel for the opening team and other supporting team members, food, beverage, the initial stocking of operating supplies and legal fees. All such costs incurred prior to the opening are expensed in the period in which the expense was incurred. Pre-opening expenses can fluctuate significantly from period to period, based on the number and timing of openings and the specific pre-opening expenses incurred for each restaurant. Additionally, restaurant openings in new geographic market areas will experience higher pre-opening expenses than our established geographic market areas, such as the Chicagoland area, where we have greater economies of scale and incur lower travel and lodging costs for our training team.

Pre-opening expenses for the quarter ended June 29, 2025 were $1.7 million compared to $2.1 million for the quarter ended June 30, 2024, a decrease of $0.4 million or 19.2%. The decrease was due to the number and timing of activities related to our planned restaurant openings for the quarter ended June 29, 2025 as compared to the quarter ended June 30, 2024.

Pre-opening expenses for the two quarters ended June 29, 2025 were $2.2 million compared to $3.5 million for the two quarters ended June 30, 2024, a decrease of $1.3 million or 37.4%. This decrease was due to the number and timing of activities related to our planned restaurant openings for the two quarters ended June 29, 2025 as compared to the two quarters ended June 30, 2024.

Depreciation and Amortization

Depreciation and amortization expenses consist of the depreciation of fixed assets, including land improvements, buildings and improvements, fixtures and equipment, leasehold improvements, and the amortization of definite-lived intangible assets, which are primarily comprised of recipes.

Depreciation and amortization expense for both the quarters ended June 29, 2025 and June 30, 2024 was $7.1 million. For the quarter ended June 29, 2025, the incremental depreciation from capital expenditures related to the opening of nine restaurants in the second through fourth quarters of 2024 was offset by a reduction in depreciation expense due to fully depreciated assets and disposals compared to the prior year period.

Depreciation and amortization expense for the two quarters ended June 29, 2025 was $14.2 million compared to $14.1 million for the two quarters ended June 30, 2024, an increase of $0.1 million or 0.9%. This increase was primarily attributable to incremental depreciation of capital expenditures related to the opening of ten restaurants in 2024, partially offset by a reduction in depreciation expense due to fully depreciated assets and disposals compared to the prior year period.

Portillo's Inc. Form 10-Q | 27

Net Income Attributable to Equity Method Investment

Net income attributable to equity method investment consists of a 50% interest in C&O, which runs a single restaurant located within the Chicagoland market. We account for the investment and financial results in the condensed consolidated financial statements under the equity method of accounting as we have significant influence but do not have control.

Net income attributable to equity method investment for the quarter ended June 29, 2025 was $0.4 million compared to $0.3 million for the quarter ended June 30, 2024, an increase of $0.05 million or 14.0%. This increase was primarily driven by an increase in sales.

Net income attributable to equity method investment for both the two quarters ended June 29, 2025 and two quarters ended June 30, 2024 was $0.5 million.

Other Income, Net

Other income, net, includes among other items, income resulting from discounts received for timely filing of sales tax returns, management fee income associated with our investment in C&O, trading gains or losses on our deferred compensation plan and gains or losses on asset disposals.

Other income, net, for the quarter ended June 29, 2025 was $0.3 million compared to $0.4 million for the quarter ended June 30, 2024, a decrease of $0.1 million or 16.2%. This decrease was primarily driven by reduced sales tax filing discounts due to the new statutory cap implemented in Illinois on January 1, 2025, and an increase in loss on sale of assets, partially offset by an increase in trading gains in the rabbi trust used to fund our deferred compensation plan.

Other income, net, for the two quarters ended June 29, 2025 was $0.3 million compared to $0.8 million for the two quarters ended June 30, 2024, a decrease of $0.5 million or 60.3%. This decrease was primarily driven by reduced sales tax filing discounts due to the new statutory cap implemented in Illinois on January 1, 2025, an increase in loss on sale of assets, and a decrease in trading gains in the rabbi trust used to fund our deferred compensation plan.

Interest Expense

Interest expense primarily consists of interest and fees on our credit facilities and the amortization expense for debt discount and deferred issuance costs.

Interest expense for the quarter ended June 29, 2025 was $5.7 million compared to $6.6 million for the quarter ended June 30, 2024, a decrease of $0.9 million or 13.3%. This decrease was primarily driven by a lower effective interest rate attributable to the improved lending terms associated with our 2025 Credit Agreement amendment.

Interest expense for the two quarters ended June 29, 2025 was $11.5 million compared to $13.1 million for the two quarters ended June 30, 2024, a decrease of $1.7 million or 12.6%. This decrease was primarily driven by a lower effective interest rate attributable to the improved lending terms associated with our 2025 Credit Agreement amendment.

Our effective interest rate was 6.90% as of June 29, 2025 and 8.31% as of June 30, 2024.

Interest Income

Interest income primarily consists of interest earned on our cash and cash equivalents.

Interest income for both the quarters ended June 29, 2025 and June 30, 2024 was $0.1 million.

Interest income for both the two quarters ended June 29, 2025 and two quarters ended June 30, 2024 was $0.2 million.

Portillo's Inc. Form 10-Q | 28

Tax Receivable Agreement Liability Adjustment

We are party to a Tax Receivable Agreement liability with certain members of PHD Group Holdings LLC and its subsidiaries ("Portillo's OpCo”) that provides for the payment by us of 85% of the amount of tax benefits, if any, that Portillo's Inc. actually realizes or in some cases is deemed to realize as a result of certain transactions. On January 24, 2025, we entered into an Amendment to the Tax Receivable Agreement (the "Amendment") with Portillo's OpCo and the TRA Party Representative, as defined in the agreement. The Amendment replaces the LIBOR based interest rate with a Term Secured Overnight Financing Rate ("SOFR") based rate.

The tax receivable agreement liability adjustment for the quarter ended June 29, 2025 was $1.8 million compared to $0.4 million for the quarter ended June 30, 2024. The change was related to a remeasurement primarily due to activity under equity-based compensation plans.

The tax receivable agreement liability adjustment for the two quarters ended June 29, 2025 was $2.5 million compared to $1.0 million for the two quarters ended June 30, 2024. The change was related to a remeasurement primarily due to activity under equity-based compensation plans.

Income Tax Expense

Portillo's OpCo is treated as a partnership for U.S. federal, as well as state and local income tax purposes and is not subject to taxes. Rather, any taxable income or loss generated by Portillo's OpCo is allocated to its members in relation to their respective ownership percentage of Portillo's OpCo. We are subject to U.S. federal, as well as state and local, income taxes with respect to our allocable share of any taxable income or loss of Portillo's OpCo, as well as any stand-alone income or loss generated by Portillo's Inc.

Income tax expense for the quarter ended June 29, 2025 was $3.7 million compared to $3.5 million for the quarter ended June 30, 2024, an increase of $0.2 million or 5.2%. Our effective income tax rate for the quarter ended June 29, 2025 was 26.8%, compared to 29.1% for the quarter ended June 30, 2024. The decrease in our effective income tax rate for the quarter ended June 29, 2025 compared to the quarter ended June 30, 2024 was primarily driven by the decrease in the valuation allowance recorded against a portion of the Company's deferred tax assets as a result of the redemption of LLC units that occurred in the second quarter of 2025.

Income tax expense for the two quarters ended June 29, 2025 was $5.0 million compared to income tax expense of $2.4 million for the two quarters ended June 30, 2024, an increase of $2.7 million or 113.6%. Our effective income tax rate for the two quarters ended June 29, 2025 was 26.4%, compared to 14.5% for the two quarters ended June 30, 2024. The increase in our effective income tax rate for the two quarters ended June 29, 2025 compared to the two quarters ended June 30, 2024 was primarily driven by an increase in the Company's ownership interest in Portillo's OpCo, which increases its share of taxable income (loss) of Portillo's OpCo.

Net Income Attributable to Non-controlling Interests

We are the sole managing member of Portillo's OpCo. We manage and operate the business and control the strategic decisions and day-to-day operations of Portillo’s OpCo and we also have a substantial financial interest in Portillo’s OpCo. Accordingly, we consolidate the financial results of Portillo’s OpCo, and a portion of our net income is allocated to non-controlling interests to reflect the entitlement of the pre-IPO LLC Members who retained their equity ownership in Portillo's OpCo (the "pre-IPO LLC Members"). The weighted average ownership percentages for the applicable reporting periods are used to attribute net income (loss) to Portillo's Inc. and the non-controlling interest holders.

Net income attributable to non-controlling interests for the quarter ended June 29, 2025 was $1.3 million, compared to net income attributable to non-controlling interests of $2.1 million for the quarter ended June 30, 2024, a decrease of $0.7 million or 35.0%. The decrease in net income attributable to non-controlling interests for the quarter ended June 29, 2025 was primarily due to a decrease in the non-controlling interest holders' weighted average ownership to 9.9% for the quarter ended June 29, 2025 from 15.9% for the quarter ended June 30, 2024.

Net income attributable to non-controlling interests for the two quarters ended June 29, 2025 was $2.0 million, compared to net income attributable to non-controlling interest of $2.8 million for the two quarters ended June 30, 2024, a decrease of $0.8 million or 29.1%. The decrease in net income attributable to non-controlling interests for the two quarters ended June 29, 2025 was primarily due to a decrease in the non-controlling interest holders' weighted average ownership to 12.2% for the two quarters ended June 29, 2025 from 18.7% for the two quarters ended June 30, 2024.

Portillo's Inc. Form 10-Q | 29

Selected Operating Data and Non-GAAP Financial Measures

In addition to the GAAP measures presented in our financial statements, we use the following selected operating data and non-GAAP financial measures to evaluate our business, measure our performance, develop financial forecasts and make strategic decisions. These key measures include restaurant openings, average unit volume ("AUV"), same-restaurant sales, Adjusted EBITDA, Adjusted EBITDA Margin, Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin. The Company includes these measures because management believes that they are important to day-to-day operations and overall strategy and are useful to investors in that they provide for greater transparency with respect to supplemental information used by management in its financial and operational decision-making.

	Quarter Ended						Two Quarters Ended
	June 29, 2025			June 30, 2024			June 29, 2025		June 30, 2024
Total Restaurants (a)	94			86			94		86
AUV (in millions) (a)	N/A			N/A			$	8.7	$	9.0
Change in same-restaurant sales (b) (c)	0.7		%	(0.6)		%	1.2%		(0.9)%
Adjusted EBITDA (in thousands) (b)	$	30,064		$	29,866		$	51,274	$	51,643
Adjusted EBITDA Margin (b)	16.0		%	16.4		%	14.1%		14.9%
Restaurant-Level Adjusted EBITDA (in thousands) (b)	$	44,481		$	44,569		$	81,137	$	80,940
Restaurant-Level Adjusted EBITDA Margin (b)	23.6		%	24.5		%	22.2%		23.3%

(a) Includes a restaurant that is owned by C&O, of which Portillo’s owns 50% of the equity. AUVs for the quarters ended June 29, 2025 and June 30, 2024 represent AUVs for the twelve months ended June 29, 2025 and June 30, 2024, respectively. Total restaurants indicated are as of June 29, 2025.

(b) Excludes C&O.

(c) For the quarter ended June 30, 2024, same-restaurant sales compares the 13 weeks from April 1, 2024 through June 30, 2024 to the 13 weeks from April 3, 2023 through July 2, 2023. For the two quarters ended June 30, 2024, same-restaurant sales compares the 26 weeks from January 1, 2024 through June 30, 2024 to the 26 weeks from January 2, 2023 through July 2, 2023

Change in Same-Restaurant Sales

The change in same-restaurant sales is the percentage change in year-over-year revenue for the comparable restaurant base, which is defined as the number of restaurants open for at least 24 full fiscal periods (the “Comparable Restaurant Base”). For the two quarters ended June 29, 2025 and June 30, 2024, there were 75 and 70 restaurants in our Comparable Restaurant Base, respectively. The Comparable Restaurant Base excludes C&O.

A change in same-restaurant sales is the result of a change in restaurant transactions, average guest check, or a combination of the two. We gather daily sales data and regularly analyze the guest transaction counts and the mix of menu items sold to strategically evaluate menu pricing and demand. Measuring our change in same-restaurant sales allows management to evaluate the performance of our existing restaurant base. We believe this measure provides a consistent comparison of restaurant sales results and trends across periods within our core, established restaurant base, unaffected by results of restaurant openings and enables investors to better understand and evaluate the Company’s historical and prospective operating performance.

Average Unit Volume ("AUV")

AUV is the total revenue recognized in the Comparable Restaurant Base, including C&O, divided by the number of restaurants in the Comparable Restaurant Base, including C&O, by period.

This key performance indicator allows management to assess changes in consumer spending patterns at our restaurants and the overall performance of our restaurant base.

Portillo's Inc. Form 10-Q | 30

Non-GAAP Financial Measures

To supplement the condensed consolidated financial statements, which are prepared and presented in accordance with GAAP, we use the following non-GAAP financial measures: Adjusted EBITDA and Adjusted EBITDA Margin, and Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin. Accordingly, these measures are not required by, nor presented in accordance with, GAAP, but rather are supplemental measures of operating performance of our restaurants. You should be aware that these measures are not indicative of overall results for the Company and that Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin do not accrue directly to the benefit of stockholders because of corporate-level expenses excluded from such measures. These measures are supplemental measures of operating performance and our calculations thereof may not be comparable to similar measures reported by other companies. These measures are important measures to evaluate the performance and profitability of our restaurants, individually and in the aggregate, but also have important limitations as analytical tools and should not be considered in isolation as substitutes for analysis of our results as reported under GAAP.

Adjusted EBITDA and Adjusted EBITDA Margin

Adjusted EBITDA represents net income before depreciation and amortization, interest expense, interest income and income taxes, adjusted for the impact of certain non-cash and other items that we do not consider in our evaluation of ongoing core operating performance as identified in the reconciliation of net income, the most directly comparable GAAP measure to Adjusted EBITDA. Adjusted EBITDA Margin represents Adjusted EBITDA as a percentage of revenues, net.

We use Adjusted EBITDA and Adjusted EBITDA Margin (i) to evaluate our operating results and the effectiveness of our business strategies, (ii) internally as benchmarks to compare our performance to that of our competitors and (iii) as factors in evaluating management’s performance when determining incentive compensation.

We believe that Adjusted EBITDA and Adjusted EBITDA Margin are important measures of operating performance because they eliminate the impact of expenses that do not relate to our core operating performance.

Portillo's Inc. Form 10-Q | 31

The following table reconciles net income to Adjusted EBITDA and Adjusted EBITDA margin (in thousands):

	Quarter Ended						Two Quarters Ended
	June 29, 2025			June 30, 2024			June 29, 2025			June 30, 2024
Net income	$	10,043		$	8,530		$	14,033		$	13,874
Net income margin	5.3		%	4.7		%	3.8		%	4.0		%
Depreciation and amortization	7,137			7,106			14,177			14,050
Interest expense	5,726			6,603			11,475			13,133
Interest income	(79)			(75)			(150)			(154)
Income tax expense	3,679			3,496			5,039			2,359
EBITDA	26,506			25,660			44,574			43,262
Deferred rent (1)	1,541			1,296			2,917			2,466
Equity-based compensation	2,658			2,890			4,608			5,717
Cloud-based software implementation costs (2)	84			325			267			450
Amortization of cloud-based software implementation costs (3)	295			146			514			146
Other loss (income) (4)	82			(9)			143			66
Transaction-related fees and expenses (5)	736			(3)			736			536
Tax Receivable Agreement liability adjustment (6)	(1,838)			(439)			(2,485)			(1,000)
Adjusted EBITDA	$	30,064		$	29,866		$	51,274		$	51,643
Adjusted EBITDA Margin (7)	16.0		%	16.4		%	14.1		%	14.9		%

(1) Represents the difference between cash rent payments and the recognition of straight-line rent expense recognized over the lease term.

(2) Represents non-capitalized third party consulting and software licensing costs incurred in connection with the implementation of a new ERP and HCM systems which are included within general and administrative expenses.

(3) Represents amortization of capitalized cloud-based ERP and HCM system implementation costs that are included within general and administrative expenses.

(4) Represents loss (gain) on disposal of property and equipment included within other income, net.

(5) Represents certain expenses that management believes are not indicative of ongoing operations, consisting primarily of certain professional fees included within general and administrative expenses.

(6) Represents remeasurement of the Tax Receivable Agreement liability.

(7) Adjusted EBITDA Margin is defined as Adjusted EBITDA divided by Revenues, net.

Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin

Restaurant-Level Adjusted EBITDA is defined as revenue, less restaurant operating expenses, which include food, beverage and packaging costs, labor expenses, occupancy expenses and other operating expenses. Restaurant-Level Adjusted EBITDA excludes corporate level expenses and depreciation and amortization on restaurant property and equipment. Restaurant-Level Adjusted EBITDA Margin represents Restaurant-Level Adjusted EBITDA as a percentage of revenues, net.

We believe that Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin are important measures to evaluate the performance and profitability of our restaurants, individually and in the aggregate.

Portillo's Inc. Form 10-Q | 32

The following table reconciles operating income to Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin (in thousands):

	Quarter Ended						Two Quarters Ended
	June 29, 2025			June 30, 2024			June 29, 2025			June 30, 2024
Operating income	$	17,531		$	18,115		$	27,912		$	28,212
Operating income margin	9.3		%	10.0		%	7.6		%	8.1		%
Plus:
General and administrative expenses	18,798			17,941			37,701			36,481
Pre-opening expenses	1,697			2,100			2,205			3,523
Depreciation and amortization	7,137			7,106			14,177			14,050
Net income attributable to equity method investment	(382)			(335)			(546)			(540)
Other income, net	(300)			(358)			(312)			(786)
Restaurant-Level Adjusted EBITDA	$	44,481		$	44,569		$	81,137		$	80,940
Restaurant-Level Adjusted EBITDA Margin (1)	23.6		%	24.5		%	22.2		%	23.3		%

(1) Restaurant-Level Adjusted EBITDA Margin is defined as Adjusted EBITDA divided by Revenues, net.

Liquidity and Capital Resources

Our primary sources of liquidity are cash from operations, cash and cash equivalents on hand, and availability under our 2025 Revolver Facility. As of June 29, 2025, we maintained a cash and cash equivalents and restricted cash balance of $16.6 million and had $74.7 million of availability under our 2025 Revolver Facility, after giving effect to $5.3 million in outstanding letters of credit.

Our primary requirements for liquidity are to fund our working capital needs, operating lease obligations, capital expenditures, and general restaurant support center needs. Our requirements for working capital are not significant because our guests pay for their food and beverage purchases in cash or on debit or credit cards at the time of the sale and we are able to sell many of our inventory items before payment is due to the supplier of such items. Our ongoing capital expenditures are principally related to opening of new restaurants, existing capital investments (both for remodels and maintenance), as well as investments in our restaurant support center infrastructure.

Based upon current levels of operations and anticipated growth, we expect that cash flows from operations will be sufficient to meet our needs for at least the next twelve months, and the foreseeable future.

Tax Receivable Agreement

In connection with the IPO, we entered into a Tax Receivable Agreement ("TRA") with certain of our pre-IPO LLC Members, pursuant to which we will generally be required to pay 85% of the amount of cash savings, if any, in U.S. federal, state, and local income tax that we actually realize or are deemed to realize, as a result of (i) our allocable share of existing tax basis in depreciable or amortizable assets relating to LLC Units acquired in the IPO, (ii) certain favorable tax attributes acquired by the Company from entities treated as corporations for U.S. tax purposes that held LLC Units prior to the Transactions ("Blocker Companies") (including net operating losses and the Blocker Companies' allocable share of existing tax basis), (iii) increases in our allocable share of then existing tax basis in depreciable or amortizable assets, and adjustments to the tax basis of the tangible and intangible assets, of Portillo’s OpCo and its subsidiaries, as a result of (x) sales or exchanges of interests in Portillo’s OpCo (including the repayment of the redeemable preferred units) in connection with the IPO and (y) future redemptions or exchanges of LLC Units by pre-IPO LLC Members for Class A common stock and (iv) certain other tax benefits related to entering into the TRA, including payments made under the TRA.

As of June 29, 2025, we estimate that our obligation for future payments under the TRA totaled $352.9 million. Amounts payable under the TRA are contingent upon, among other things, (i) generation of future taxable income over the term of the TRA and (ii) future changes in tax laws. If we do not generate sufficient taxable income in the aggregate over the term of the TRA to utilize the tax benefits, then we would not be required to make the related TRA payments. The payments that we are required to make will generally reduce the amount of overall cash flow that might have otherwise been available to us, but we expect the cash tax savings we will realize to fund the required payments. Assuming no material changes in relevant tax law and that we earn sufficient taxable income to realize all tax benefits that are subject to the TRA, we estimate that the tax savings associated with all tax attributes described above would aggregate to approximately $415.2 million as of June 29, 2025. Under this scenario, we would be required to pay the TRA Parties approximately 85% of such amount, or $352.9 million, primarily over the next 15

Portillo's Inc. Form 10-Q | 33

years, substantially declining in year 16 through year 47. In the two quarters ended June 29, 2025 and June 30, 2024, we made TRA payments of $7.7 million relating to tax year 2023 and $4.4 million relating to tax year 2022, respectively. We expect a payment of $9.2 million relating to tax year 2024 to be paid within the next 12 months.

Summary of Cash Flows

The following table presents a summary of our cash flows from operating, investing and financing activities (in thousands):

	Two Quarters Ended
	June 29, 2025		June 30, 2024
Net cash provided by operating activities	$	28,693	$	41,628
Net cash used in investing activities	(33,076)		(33,828)
Net cash used in financing activities	(1,872)		(5,881)
Net (decrease) increase in cash and cash equivalents and restricted cash	(6,255)		1,919
Cash and cash equivalents and restricted cash at beginning of period	22,876		10,438
Cash and cash equivalents and restricted cash at end of period	$	16,621	$	12,357

Operating Activities

Net cash provided by operating activities for the two quarters ended June 29, 2025 was $28.7 million compared to net cash provided by operating activities of $41.6 million for the two quarters ended June 30, 2024, a decrease of $12.9 million or 31.1%. This decrease was primarily driven by the change in operating assets and liabilities of $13.4 million and non-cash items of $0.3 million, partially offset by an increase in net income of $0.2 million.

The $13.4 million change in our operating assets and liabilities balances was primarily driven by operating assets and liabilities being a use of net cash of $6.7 million in the two quarters ended June 29, 2025, compared to a source of net cash of $6.7 million in two quarters ended June 30, 2024 driven by the change in accounts payable and accrued expenses and other liabilities and inventory in the two quarters ended June 29, 2025. The $0.3 million change from the two quarters ended June 29, 2025 in non-cash charges is primarily driven by an increase in our tax receivable agreement liability adjustment and lower equity-based compensation expense, partially offset by an increase in our deferred income tax expense. The increase in net income for the two quarters ended June 29, 2025 was primarily due to the factors driving the aforementioned change in revenues and expenses as described in the condensed consolidated results of operations in the two quarters ended June 29, 2025 compared to the two quarters ended June 30, 2024.

Investing Activities

Net cash used in investing activities was $33.1 million for the two quarters ended June 29, 2025 compared to $33.8 million for the two quarters ended June 30, 2024, a decrease of $0.8 million or 2.2%. This decrease was primarily due to the number and timing of builds in process and by adopting a more cost effective restaurant format.

Financing Activities

Net cash used in financing activities was $1.9 million for the two quarters ended June 29, 2025 compared to net cash used in financing activities of $5.9 million for the two quarters ended June 30, 2024, a decrease of $4.0 million or 68.2%. This decrease is primarily due to an increase in proceeds from short-term debt, partially offset by payments of long-term debt in connection with our refinancing in the first quarter of 2025, as described in Note 8. Debt, and an increase of $3.3 million in payments related to the Tax Receivable Agreement liability for the two quarters ended June 29, 2025 as compared to the two quarters ended June 30, 2024.

2025 Revolver Facility and Liens

On January 27, 2025, PHD Intermediate LLC, Portillo’s Holdings LLC, the other Guarantors party thereto, the Lenders from time to time party thereto and Fifth Third Bank, National Association, as Administrative Agent, the L/C Issuer and the Swing Line Lender entered into an amendment (the “Amendment”) to the 2023 Credit Agreement (as amended by the Amendment and as may be amended, restated, supplemented or otherwise modified from time to time thereafter, the “2025 Credit Agreement”).

Portillo's Inc. Form 10-Q | 34

The Amendment provides for, among other things, (i) a $250 million term loan A facility (the “2025 Term Loan”) and (ii) revolving credit commitments in an initial aggregate principal amount of $150 million (the “2025 Revolver Facility” and, together with the Term Loan Facility, the “2025 Facilities”), the proceeds of which will be used to refinance indebtedness under the 2023 Credit Agreement, for general corporate purposes and working capital needs and for other activities permitted under the 2025 Credit Agreement. The loans under each of the 2025 Facilities mature on January 27, 2030.

As of June 29, 2025, we had $70.0 million of borrowings under the 2025 Revolver Facility, and letters of credit issued under the 2025 Revolver Facility totaled $5.3 million. As a result, as of June 29, 2025, the Company had $74.7 million available under the 2025 Revolver Facility.

The 2025 Credit Agreement contains customary representations and warranties, events of default, reporting and other affirmative covenants and negative covenants, including limitations on indebtedness, liens, investments, negative pledges, dividends, junior financings and other fundamental changes. As of June 29, 2025, the Company was in compliance with financial covenants in the 2025 Credit Agreement.

Material Cash Requirements

There have been no material changes to the material cash requirements as disclosed in our Annual Report on Form 10-K for the fiscal year ended December 29, 2024, other than those payments made in the ordinary course of business.

Refer to Note 8. Debt for a description of a Credit Agreement and the repayment of borrowings.

Critical Accounting Estimates

This discussion and analysis of financial condition and results of operations is based upon the Company's condensed consolidated financial statements, which have been prepared in accordance with GAAP. The preparation of these financial statements requires the Company to make estimates, judgments, and assumptions that can have a meaningful effect on the reporting of condensed consolidated financial statements. There have been no significant changes to our critical accounting estimates or significant accounting policies as disclosed in our Annual Report on Form 10-K for the fiscal year ended December 29, 2024.

Refer to Note 2. Summary Of Significant Accounting Policies for the Company's assessment of all other recently issued accounting pronouncements.

Portillo's Inc. Form 10-Q | 35

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

There have been no material changes to our exposure to market risks as described in Part II, Item 7A of our Annual Report on Form 10-K for the fiscal year ended December 29, 2024.

Item 4. Controls and Procedures.

EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES

Under the supervision and with the participation of our management, including the Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this report. Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of such date. Our disclosure controls and procedures are designed to ensure that information required to be disclosed in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms and that such information is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding required disclosure.

CHANGES IN INTERNAL CONTROL OVER FINANCIAL REPORTING

During the quarter ended June 29, 2025, we implemented a new human capital management ("HCM") system. As a result, we modified and removed certain existing internal controls as well as implemented new controls and procedures impacted by the implementation of the new HCM system.

There were no changes in our internal control over financial reporting during the quarter ended June 29, 2025 identified in connection with the evaluation required by Rules 13a-15(d) and 15d-15(d) of the Exchange Act that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Portillo's Inc. Form 10-Q | 36

PART II – OTHER INFORMATION

Item 1. Legal Proceedings.

Information regarding certain legal proceedings to which the Company is a party are discussed in Note 13. Contingencies in the notes to the unaudited condensed consolidated financial statements and is incorporated herein by reference.

Item 1A. Risk Factors.

There have been no material changes to the risk factors disclosed in the Company's Annual Report on Form 10-K for the fiscal year ended December 29, 2024.

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

Under the Second Amended and Restated LLC Agreement of Portillo’s OpCo dated as of October 20, 2021 (the “OpCo LLCA”), the holders of LLC Units (other than the Company) may from time to time require Portillo’s OpCo to redeem all or a portion of their LLC Units for newly-issued shares of Class A common stock on a one-for-one basis in accordance with the terms of the OpCo LLCA. In the second quarter of 2025, certain pre-IPO Members affiliated with Berkshire Partners LLC redeemed 7,290,465 LLC units in the aggregate for newly-issued shares of Class A common stock on a one-for-one basis, in accordance with the OpCo LLCA.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

Not applicable.

Item 5. Other Information.

During the quarter ended June 29, 2025, no director or officer of the Company adopted, amended or terminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408 of Regulation S-K.

Portillo's Inc. Form 10-Q | 37

Item 6. Exhibits.

Exhibit Number	Description	Filed Herewith
3.1	Amended and Restated Certificate of Incorporation of Portillo's Inc. (incorporated by reference to Exhibit 3.1 of the Company's Quarterly Report on Form 10-Q filed on November 18, 2021)
3.2	Amended and Restated Bylaws of Portillo’s Inc. (incorporated by reference to Exhibit 3.2 of the Company's Quarterly Report on Form 10-Q filed on November 18, 2021)
10.1	Cooperation Agreement, dated as of April 28, 2025, (incorporated by reference to the Company's Form 8-K filed on April 28, 2025)
31.1	Certification of the 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 the 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	Certifications of the Chief Executive Officer and Chief 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 - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document	*
101.SCH	XBRL Taxonomy Extension Schema Document	*
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document	*
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document	*
101.LAB	XBRL Taxonomy Extension Label Linkbase Document	*
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document	*
104	Cover page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document	*

*    Filed Herewith

#     Furnished Herewith

†    Indicates a management contract or compensatory plan or agreement

Portillo's Inc. Form 10-Q | 38

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

		Portillo's Inc.
		(Registrant)
Date: August 5, 2025	By:	/s/ Michael Osanloo
		Michael Osanloo
		President, Chief Executive Officer and Director (Principal Executive Officer)
Date: August 5, 2025	By:	/s/ Michelle Hook
		Michelle Hook
		Chief Financial Officer and Treasurer (Principal Financial Officer and Principal Accounting Officer)

Portillo's Inc. Form 10-Q | 39

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, Michael Osanloo, certify that:

1.		I have reviewed this Quarterly Report on Form 10-Q for the quarterly period ended June 29, 2025 of Portillo's Inc.;
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 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)) 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 our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
	b)	Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
	c)	Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our 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 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: August 5, 2025	By:	/s/ Michael Osanloo
		Michael Osanloo
		President, Chief Executive Officer and Director (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, Michelle Hook, certify that:

1.		I have reviewed this Quarterly Report on Form 10-Q for the quarterly period ended June 29, 2025 of Portillo's Inc.;
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 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)) 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 our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
	b)	Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
	c)	Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our 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 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: August 5, 2025	By:	/s/ Michelle Hook
		Michelle Hook
		Chief Financial Officer and Treasurer (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 on Form 10-Q of Portillo's Inc. (the “Company”), for the quarterly period ended June 29, 2025, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of such officer's 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.

Date: August 5, 2025	By:	/s/ Michael Osanloo
		Michael Osanloo
		President, Chief Executive Officer and Director (Principal Executive Officer)

Date: August 5, 2025	By:	/s/ Michelle Hook
		Michelle Hook
		Chief Financial Officer and Treasurer (Principal Financial Officer and Principal Accounting Officer)

XML

COVER PAGE - shares	6 Months Ended
	Jun. 29, 2025	Jul. 29, 2025
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 29, 2025
Document Transition Report	false
Entity File Number	001-40951
Entity Registrant Name	PORTILLO'S INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	87-1104304
Entity Address, Address Line One	2001 Spring Road
Entity Address, Address Line Two	Suite 400
Entity Address, City or Town	Oak Brook
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60523
City Area Code	630
Local Phone Number	954-3773
Title of 12(b) Security	Class A common stock, $0.01 par value per share
Trading Symbol	PTLO
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0001871509
Amendment Flag	false
Current Fiscal Year End Date	--12-28
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2
Class A Common Stock
Entity Common Stock, Shares Outstanding (in shares)		71,905,580
Class B Common Stock
Entity Common Stock, Shares Outstanding (in shares)		3,442,335

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Jun. 29, 2025	Dec. 29, 2024
CURRENT ASSETS:
Cash and cash equivalents and restricted cash	$ 16,621	$ 22,876
Accounts and tenant improvement receivables	17,669	14,794
Inventories	10,098	7,915
Prepaid expenses	5,905	7,066
Total current assets	50,293	52,651
Property and equipment, net	384,883	358,975
Operating lease assets	243,220	222,390
Goodwill	394,298	394,298
Trade names	223,925	223,925
Other intangible assets, net	24,745	26,098
Equity method investment	15,538	16,056
Deferred tax assets	209,051	197,409
Other assets	7,777	8,284
Total other assets	875,334	866,070
TOTAL ASSETS	1,553,730	1,500,086
CURRENT LIABILITIES:
Accounts payable	43,683	45,516
Current portion of long-term debt	6,250	11,250
Current portion of Tax Receivable Agreement liability	9,177	7,686
Short-term debt	70,000	25,000
Deferred revenue	4,970	7,032
Short-term operating lease liabilities	6,458	6,013
Accrued expenses	30,730	33,072
Total current liabilities	171,268	135,569
LONG-TERM LIABILITIES:
Long-term debt, net of current portion	240,758	275,422
Tax Receivable Agreement liability	343,717	316,893
Long-term operating lease liabilities	306,692	278,540
Other long-term liabilities	3,498	3,559
Total long-term liabilities	894,665	874,414
Total liabilities	1,065,933	1,009,983
COMMITMENTS AND CONTINGENCIES (NOTE 13)
STOCKHOLDERS' EQUITY:
Preferred stock, $0.01 par value per share, 10,000,000 shares authorized, none issued or outstanding	0	0
Additional paid-in-capital	403,068	357,295
Retained earnings	55,146	43,129
Total stockholders' equity attributable to Portillo's Inc.	458,933	401,061
Non-controlling interest	28,864	89,042
Total stockholders' equity	487,797	490,103
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,553,730	1,500,086
Class A Common Stock
STOCKHOLDERS' EQUITY:
Common stock	719	637
Class B Common Stock
STOCKHOLDERS' EQUITY:
Common stock	$ 0	$ 0

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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - $ / shares	Jun. 29, 2025	Dec. 29, 2024
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	10,000,000	10,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Class A Common Stock
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	380,000,000	380,000,000
Common stock, issued (in shares)	71,890,168	63,674,579
Common stock, outstanding (in shares)	71,890,168	63,674,579
Class B Common Stock
Common stock, par value (in usd per share)	$ 0.00001	$ 0.00001
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	3,442,335	10,732,800
Common stock, outstanding (in shares)	3,442,335	10,732,800

XML

CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Income Statement [Abstract]
REVENUES, NET	$ 188,456	$ 181,862	$ 364,893	$ 347,693
Restaurant operating expenses:
Food, beverage and packaging costs	63,750	61,712	124,852	118,673
Labor	48,340	46,412	95,208	89,714
Occupancy	9,966	9,211	19,987	18,551
Other operating expenses	21,919	19,958	43,709	39,815
Total restaurant operating expenses	143,975	137,293	283,756	266,753
General and administrative expenses	18,798	17,941	37,701	36,481
Pre-opening expenses	1,697	2,100	2,205	3,523
Depreciation and amortization	7,137	7,106	14,177	14,050
Net income attributable to equity method investment	(382)	(335)	(546)	(540)
Other income, net	(300)	(358)	(312)	(786)
OPERATING INCOME	17,531	18,115	27,912	28,212
Interest expense	5,726	6,603	11,475	13,133
Interest income	(79)	(75)	(150)	(154)
Tax Receivable Agreement liability adjustment	(1,838)	(439)	(2,485)	(1,000)
INCOME BEFORE INCOME TAXES	13,722	12,026	19,072	16,233
Income tax expense	3,679	3,496	5,039	2,359
NET INCOME	10,043	8,530	14,033	13,874
Net income attributable to non-controlling interests	1,339	2,060	2,016	2,842
NET INCOME ATTRIBUTABLE TO PORTILLO'S INC.	$ 8,704	$ 6,470	$ 12,017	$ 11,032
Net income per common share attributable to Portillo's Inc.:
Basic (in usd per share)	$ 0.13	$ 0.10	$ 0.18	$ 0.19
Diluted (in usd per share)	$ 0.12	$ 0.10	$ 0.18	$ 0.18
Weighted-average common shares outstanding:
Basic (in shares)	67,595,224	61,650,118	65,716,582	59,543,950
Diluted (in shares)	69,867,802	64,608,698	68,174,864	62,577,748

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Class A Common Stock	Class B Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Retained Earnings	Non-Controlling Interest
Beginning balance (in shares) at Dec. 31, 2023				55,502,375	17,472,926
Beginning balance at Dec. 31, 2023	$ 460,110			$ 555	$ 0	$ 308,212	$ 13,612	$ 137,731
Total Stockholders' Equity
Net income	13,874						11,032	2,842
Equity-based compensation	5,717					4,650		1,067
Activity under equity-based compensation plans (in shares)				405,128
Activity under equity-based compensation plans	1,172			$ 4		1,168
Redemption of LLC Interests (in shares)				5,832,371	(5,832,371)
Redemption of LLC Interests	0			$ 58		(58)
Non-controlling interest adjustment	0					46,878		(46,878)
Distributions paid to non-controlling interest holders	(838)							(838)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(15,913)					(15,913)
Ending balance (in shares) at Jun. 30, 2024				61,739,874	11,640,555
Ending balance at Jun. 30, 2024	464,122			$ 617	$ 0	344,937	24,644	93,924
Beginning balance (in shares) at Mar. 31, 2024				61,561,592	11,640,555
Beginning balance at Mar. 31, 2024	452,345			$ 615	$ 0	341,750	18,174	91,806
Total Stockholders' Equity
Net income	8,530						6,470	2,060
Equity-based compensation	2,890					2,429		461
Activity under equity-based compensation plans (in shares)				178,282
Activity under equity-based compensation plans	357			$ 2		355
Non-controlling interest adjustment	0					403		(403)
Distributions paid to non-controlling interest holders	0
Ending balance (in shares) at Jun. 30, 2024				61,739,874	11,640,555
Ending balance at Jun. 30, 2024	464,122			$ 617	$ 0	344,937	24,644	93,924
Beginning balance (in shares) at Dec. 29, 2024		63,674,579	10,732,800	63,674,579	10,732,800
Beginning balance at Dec. 29, 2024	490,103			$ 637	$ 0	357,295	43,129	89,042
Total Stockholders' Equity
Net income	14,033						12,017	2,016
Equity-based compensation	4,608					4,048		560
Activity under equity-based compensation plans (in shares)				925,124
Activity under equity-based compensation plans	2,149			$ 9		2,140
Redemption of LLC Interests (in shares)				7,290,465	(7,290,465)
Redemption of LLC Interests	0			$ 73		(73)
Non-controlling interest adjustment	0					61,463		(61,463)
Distributions paid to non-controlling interest holders	(1,291)							(1,291)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(21,805)					(21,805)
Ending balance (in shares) at Jun. 29, 2025		71,890,168	3,442,335	71,890,168	3,442,335
Ending balance at Jun. 29, 2025	487,797			$ 719	$ 0	403,068	55,146	28,864
Beginning balance (in shares) at Mar. 30, 2025				63,905,130	10,732,800
Beginning balance at Mar. 30, 2025	495,406			$ 639	$ 0	359,798	46,442	88,527
Total Stockholders' Equity
Net income	10,043						8,704	1,339
Equity-based compensation	2,658					2,379		279
Activity under equity-based compensation plans (in shares)				694,573
Activity under equity-based compensation plans	$ 1,495			$ 7		1,488
Redemption of LLC Interests (in shares)	7,290,465		7,290,465		(7,290,465)
Redemption of LLC Interests	$ 0			$ 73		(73)
Non-controlling interest adjustment	0					61,281		(61,281)
Distributions paid to non-controlling interest holders	0
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(21,805)					(21,805)
Ending balance (in shares) at Jun. 29, 2025		71,890,168	3,442,335	71,890,168	3,442,335
Ending balance at Jun. 29, 2025	$ 487,797			$ 719	$ 0	$ 403,068	$ 55,146	$ 28,864

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 14,033	$ 13,874
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,177	14,050
Amortization of debt issuance costs and discount	349	380
Loss on sales of assets	142	66
Equity-based compensation	4,608	5,717
Deferred income tax expense	5,039	2,359
Tax Receivable Agreement liability adjustment	(2,485)	(1,000)
Gift card breakage	(502)	(502)
Changes in operating assets and liabilities:
Accounts receivable	180	(681)
Receivables from related parties	(16)	(158)
Inventories	(2,183)	(22)
Other current assets	1,161	1,916
Operating lease assets	4,557	4,461
Accounts payable	(7,439)	6,833
Accrued expenses and other liabilities	(3,984)	(6,365)
Operating lease liabilities	(1,607)	(1,908)
Deferred lease incentives	1,586	2,101
Other assets and liabilities	1,077	507
NET CASH PROVIDED BY OPERATING ACTIVITIES	28,693	41,628
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(33,081)	(33,905)
Proceeds from the sale of property and equipment	5	77
NET CASH USED IN INVESTING ACTIVITIES	(33,076)	(33,828)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from short-term debt, net	45,000	2,000
Payments of long-term debt	(38,750)	(3,750)
Proceeds from equity offering, net of underwriting discounts	0	114,960
Repurchase of outstanding equity / Portillo's OpCo units	0	(114,960)
Distributions paid to non-controlling interest holders	(1,291)	(838)
Proceeds from stock option exercises	2,727	1,109
Employee withholding taxes related to net settled equity awards	(887)	(279)
Proceeds from Employee Stock Purchase Plan purchases	278	306
Payments of Tax Receivable Agreement liability	(7,686)	(4,429)
Payment of deferred financing costs	(1,263)	0
NET CASH USED IN FINANCING ACTIVITIES	(1,872)	(5,881)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	(6,255)	1,919
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF THE PERIOD	22,876	10,438
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF THE PERIOD	16,621	12,357
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid	11,800	12,792
Income tax paid	0	0
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures	19,264	10,397
Establishment of liabilities under Tax Receivable Agreement	$ 38,485	$ 33,690

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DESCRIPTION OF BUSINESS

6 Months Ended

Jun. 29, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

DESCRIPTION OF BUSINESS

DESCRIPTION OF BUSINESS

Portillo’s Inc. ("Inc.") was formed and incorporated as a Delaware corporation on June 8, 2021. Inc. was formed for the purpose of completing an initial public offering ("IPO") and related reorganization transactions in order to carry on the business of PHD Group Holdings LLC and its subsidiaries ("Portillo's OpCo"). Portillo's Inc. is the sole managing member of Portillo’s OpCo, and as sole managing member, Inc. operates and controls all of the business and affairs of Portillo's OpCo and reports a non-controlling interest representing the economic interest in Portillo's OpCo held by the other members of Portillo's OpCo (the "pre-IPO LLC Members"). Unless the context otherwise requires, references to "we," "us," "our," "Portillo's," and the "Company" refer to Portillo's Inc. and its subsidiaries, including Portillo's OpCo.

The Company operates restaurants in 10 states that serve Chicago-style hot dogs and sausages, Italian beef sandwiches, char-grilled burgers, chopped salads, crinkle-cut fries, homemade chocolate cake and more, along with two food production commissaries in Illinois. As of June 29, 2025, the Company had 93 restaurants in operation. The Company also had one non-traditional location in operation, a food truck. A ghost kitchen (small kitchen with no store-front presence, used to fill online orders) was closed during the second quarter ended June 29, 2025. Portillo's additionally has a 50% interest in a single restaurant owned by C&O Chicago, L.L.C. ("C&O"), which is excluded from the Company's restaurant count noted above. The Company’s principal corporate offices are located in Oak Brook, Illinois.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

6 Months Ended

Jun. 29, 2025

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The Company has prepared the accompanying unaudited condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial statements and pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC"). In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments consisting of normal recurring adjustments necessary for a fair presentation of our financial position and results of operations. Interim results of operations are not necessarily indicative of the results that may be achieved for the full year. The financial statements and related notes do not include all information and footnotes required by GAAP for annual reports. The unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in our Annual Report on Form 10-K for the fiscal year ended December 29, 2024.

All intercompany balances and transactions have been eliminated in consolidation.

The Company does not have any components of other comprehensive income (loss) recorded within its condensed consolidated financial statements, and therefore, does not separately present a statement of comprehensive income (loss).

Fiscal Year

The Company uses a 52- or 53-week fiscal year ending on the Sunday prior to or on December 31. In a 52-week fiscal year, each quarterly period is comprised of 13 weeks. The additional week in a 53-week fiscal year is added to the fourth quarter. Fiscal 2025 and 2024 consist of 52 weeks. The fiscal periods presented in this report are the quarters and two quarters ended June 29, 2025 and June 30, 2024, respectively.

Use of Estimates

The preparation of these condensed consolidated financial statements in conformity with GAAP requires 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 financial statements, and the reported amounts of sales and expenses during the period. Actual results could differ from those estimates.

Recently Issued Accounting Standards

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) Improvements to Income Tax Disclosures, which requires public entities to disclose specific categories in the rate reconciliation and provide additional information for reconciling items that meet a quantitative threshold on an annual basis. ASU 2023-09 is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. The Company is currently evaluating the effect of adopting this ASU.

In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, which requires disaggregation of certain expense captions into specified categories in disclosures within the footnotes to the financial statements. In January 2025, the FASB issued ASU 2025-01 "Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures-Clarifying the Effective Date", which amends the effective date of ASU 2024-03 to clarify that all public business entities are required to adopt the guidance in annual reporting periods beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating the effect of adopting this ASU.

Recently Adopted Accounting Standards

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280) Improvements to Reportable Segment Disclosures, which requires public entities to disclose information about their reportable segments’ significant expenses on an interim and annual basis. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and for interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The Company adopted this standard for the year ended December 29, 2024. See Note 14. Segment Information for further detail.

The Company reviewed all other recently issued accounting pronouncements and concluded that they were either not applicable or not expected to have a significant impact to its condensed consolidated financial statements.

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REVENUE RECOGNITION

6 Months Ended

Jun. 29, 2025

Revenue from Contract with Customer [Abstract]

REVENUE RECOGNITION

REVENUE RECOGNITION

Revenues from retail restaurants are presented net of discounts and recognized when food and beverage products are sold to the end customer. Sales taxes collected from customers are excluded from revenues and the obligation is included in accrued liabilities until the taxes are remitted to the appropriate taxing authorities.

Delivery sales are generally fulfilled by third-party delivery partners whether ordered through the Portillo's app and website ("Dispatch Sales") or through third-party delivery partners ("Marketplace Sales"). Dispatch Sales include delivery and service fees as the Company controls the delivery. Revenue from Dispatch Sales is recognized when food is delivered to the customer. For these sales, the Company receives payment directly from the customer at the time of sale. Revenue for Marketplace Sales is recognized in the amount paid to the delivery partner by the customer for food and excludes delivery and service fees charged by the third-party delivery partner as the Company does not control the delivery. Revenue from Marketplace Sales is recognized when food is delivered to the customer. For these sales, the Company receives payment from the delivery partner subsequent to the transfer of order, which is generally paid one week in arrears. For all delivery sales of food, the Company is considered the principal and recognizes revenue on a gross basis.

Gift Cards

The Company sells gift cards which do not have expiration dates. The Company records the sale of the gift card as a contract liability and recognizes revenue from gift cards when: (i) the gift card is redeemed by the customer; or (ii) in the event a gift card is not expected to be redeemed, in proportion to the pattern of rights exercised by the customer (gift card breakage). The Company has determined that 11% of gift card sales will not be redeemed and will be retained by us based on a portfolio assessment of historical data on gift card redemption patterns. Gift card breakage is recorded within revenues, net in the condensed consolidated statements of operations. The Company recognized gift card breakage of $0.2 million and $0.5 million for the quarter and two quarters ended June 29, 2025 and June 30, 2024, respectively.

The Company’s revenue related to performance obligations not yet satisfied is revenue from gift cards sold but not yet redeemed. The gift card liability included in deferred revenue on the condensed consolidated balance sheets is as follows (in thousands):

	June 29, 2025		December 29, 2024
Gift card liability	$	4,450	$	6,875

Revenue recognized in the condensed consolidated statement of operations for the redemption of gift cards that were included in their respective gift card liability balances at the beginning of the year is as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Revenue recognized from gift card liability balance at the beginning of the year	$	961	$	912	$	2,982	$	2,982

Loyalty Program

On March 3, 2025, the Company launched Portillo’s Perks™, an app-less loyalty program that lives in guests’ digital wallets. The loyalty program (“Perks”) is a visit-based program, and guests earn rewards based on qualified visits.

The Company defers revenue based on the average selling price of food, beverages, or retail merchandise earned through qualifying visits, establishing a corresponding Perks liability within deferred revenue on the condensed consolidated balance sheets. Currently, the Company does not record breakage due to the short expiration period of 14 to 30 days after the reward is issued. Upon redemption of Perks, revenue is recognized for redeemed food, beverage, or retail merchandise, and the Perks liability is reduced accordingly. As of June 29, 2025, the Perks liability was $0.1 million.

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INVENTORIES

6 Months Ended

Jun. 29, 2025

Inventory Disclosure [Abstract]

INVENTORIES

INVENTORIES

Inventories consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Raw materials	$	7,584	$	5,756
Work in progress	134		168
Finished goods	1,732		1,216
Consigned inventory	648		775
	$	10,098	$	7,915

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PROPERTY & EQUIPMENT, NET

6 Months Ended

Jun. 29, 2025

Property, Plant and Equipment [Abstract]

PROPERTY & EQUIPMENT, NET

PROPERTY & EQUIPMENT, NET

Property and equipment, net consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Land and land improvements	$	24,274	$	24,100
Buildings and improvements	5,516		5,084
Furniture, fixtures, and equipment	182,248		177,443
Leasehold improvements	287,985		286,003
Transportation equipment	2,026		2,042
Construction-in-progress	43,427		12,348
	545,476		507,020
Less accumulated depreciation	(160,593)		(148,045)
	$	384,883	$	358,975

Depreciation expense was $6.4 million and $12.8 million for the quarter and two quarters ended June 29, 2025, respectively, and $6.4 million and $12.6 million for the quarter and two quarters ended June 30, 2024, respectively, and is included in depreciation and amortization in the condensed consolidated statements of operations.

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GOODWILL & INTANGIBLE ASSETS

6 Months Ended

Jun. 29, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL & INTANGIBLE ASSETS

GOODWILL & INTANGIBLE ASSETS

The Company has one reporting unit for goodwill which is evaluated for impairment annually in the fourth quarter of each fiscal year. No impairment charges were recognized for goodwill or indefinite-lived intangible assets for the quarter and two quarters ended June 29, 2025 and June 30, 2024.

Intangible assets, net consisted of the following (in thousands):

	As of June 29, 2025
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangible subject to amortization:
Recipes	56,117		(31,372)		24,745
	$	280,042	$	(31,372)	$	248,670

	As of December 29, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangible subject to amortization:
Recipes	56,117		(30,019)		26,098
	$	280,042	$	(30,019)	$	250,023

Amortization expense was $0.7 million and $1.4 million for the quarter and two quarters ended June 29, 2025 and June 30, 2024, respectively,

and is included in depreciation and amortization in the condensed consolidated statements of operations.

The estimated aggregate amortization expense related to intangible assets held at June 29, 2025 for the remainder of this year and the succeeding five years and thereafter is as follows (in thousands):

	Estimated Amortization
2025 (excluding the two quarters ended June 29, 2025)	$	1,354
2026	2,707
2027	2,707
2028	2,707
2029	2,150
2030	1,369
2031 and thereafter	11,751
	$	24,745

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FAIR VALUE OF FINANCIAL INSTRUMENTS

6 Months Ended

Jun. 29, 2025

Fair Value Disclosures [Abstract]

FAIR VALUE OF FINANCIAL INSTRUMENTS

FAIR VALUE OF FINANCIAL INSTRUMENTS

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The carrying value of the Company's cash and cash equivalents and restricted cash, accounts and tenant improvement receivables, accounts payable and all other current assets and liabilities, approximate fair values due to the short-term nature of these financial instruments.

Other assets consist of long-term prepaid expenses and a deferred compensation plan with related assets held in a rabbi trust. Other long-term liabilities consist of a deferred gain on a supplier arrangement. Long-term prepaid expenses and other long-term liabilities approximate fair values due to the nature of these financial instruments.

Deferred Compensation Plan - The Company maintains a rabbi trust to fund obligations under a deferred compensation plan. Amounts in the rabbi trust are invested in mutual funds, which are designated as trading securities carried at fair value. The fair value measurement of these trading securities is considered Level 1 of the fair value hierarchy as they are measured using quoted market prices.

As of June 29, 2025 and December 29, 2024, the fair value of the mutual fund investments and deferred compensation obligations were as follows (in thousands):

	June 29, 2025		December 29, 2024
	Level 1		Level 1
Assets - Investments designated for deferred compensation plan
Cash accounts	$	867	$	988
Mutual funds	1,989		2,208
Total assets	$	2,856	$	3,196

As of June 29, 2025 and December 29, 2024, we had no Level 2 or Level 3 assets.

The deferred compensation investments and obligations are included in other assets, accrued expenses and other long-term liabilities in the consolidated balance sheets. Changes in the fair value of securities held in the rabbi trust are recognized as trading gains and losses and included in other income in the condensed consolidated statements of operations and offsetting increases or decreases in the deferred compensation obligation are recorded in accrued expenses and other long-term liabilities in the condensed consolidated balance sheets.

Refer to Note 8. Debt for additional information relating to the fair value of the Company's outstanding debt instruments.

Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis

Assets and liabilities that are measured at fair value on a non-recurring basis include property and equipment, net, operating lease assets, equity-method investment, goodwill and indefinite-lived intangible assets. These assets are measured at fair value whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. There were no impairment charges recognized during the quarter and two quarters ended June 29, 2025 and June 30, 2024.

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DEBT

6 Months Ended

Jun. 29, 2025

Debt Disclosure [Abstract]

DEBT

DEBT

Debt consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Term Loan	$	250,000	$	288,750
Revolver Facility	70,000		25,000
Unamortized discount and debt issuance costs	(2,992)		(2,078)
Total debt, net	317,008		311,672
Less: Short-term debt	(70,000)		(25,000)
Less: Current portion of long-term debt	(6,250)		(11,250)
Long-term debt, net	$	240,758	$	275,422

2025 Credit Agreement

On January 27, 2025 (the “2025 Credit Agreement Closing Date”), PHD Intermediate LLC ("Holdings"), Portillo’s Holdings LLC (the "Borrower"), the other Guarantors party thereto, the Lenders from time to time party thereto and Fifth Third Bank, National Association, as Administrative Agent (in such capacities, the "Administrative Agent"), the L/C Issuer and the Swing Line Lender entered into an amendment (the “Amendment”) to the credit agreement, dated as of February 2, 2023 (the "Existing Credit Agreement" and the Existing Credit Agreement as amended by the Amendment and as may be amended, restated, supplemented or otherwise modified from time to time thereafter, the "2025 Credit Agreement"), by and among Holdings, the Borrower, the other Guarantors from time to time party thereto, the Lenders from time to time party thereto and the Administrative Agent. The arrangement was accounted for as a debt modification.

The Existing Credit Agreement provided for a term A loan (the "2023 Term Loan") in an initial aggregate principal amount of $300.0 million and revolving credit commitments in an initial aggregate principal amount of $100.0 million (the "2023 Revolver Facility"). The Amendment provides for, among other things, (i) a $250 million term loan A facility (the “2025 Term Loan”) and (ii) revolving credit commitments in an initial aggregate principal amount of $150 million (the “2025 Revolver Facility” and, together with the Term Loan Facility, the “2025 Facilities”). The loans under each of the 2025 Facilities mature on January 27, 2030.

The 2023 Term Loan and 2023 Revolver Facility accrued, and the 2025 Term Loan and 2025 Revolver Facility accrue interest at the forward-looking secured overnight financing rate ("SOFR") plus an applicable rate determined upon the consolidated total net rent adjusted leverage ratio, in each case subject to a 0.00% floor.

As of June 29, 2025, the interest rate on the 2025 Term Loan and 2025 Revolver Facility was 6.55% and 6.58%, respectively. Pursuant to the 2025 Credit Agreement, as of June 29, 2025, the commitment fees to maintain the 2025 Revolver Facility were 0.20%, and letter of credit fees were 2.25%. Commitment fees and letter of credit fees are recorded as interest expense in the condensed consolidated statements of operations. As of June 29, 2025, the effective interest rate was 6.90%.

As of June 30, 2024, the interest rates on the 2023 Term Loan and 2023 Revolver Facility were 7.98% and 7.94%, respectively. Pursuant to the Existing Credit Agreement as of June 30, 2024, the commitment fees to maintain the 2023 Revolver Facility were 0.20% and letter of credit fees were 2.50%. As of June 30, 2024, the effective interest rate was 8.31%.

The 2025 Term Loan Facility will amortize in quarterly installments, commencing on the last day of the first full fiscal quarter ended after the 2025 Credit Agreement Closing Date, equaling an aggregate amount of $6.3 million for the first 2 years following the 2025 Credit Agreement Closing Date, (ii) $12.5 million for the third and fourth years following the 2025 Credit Agreement Closing Date and (iii) $25.0 million for the fifth

year following the 2025 Credit Agreement Closing Date, with the balance payable on the final maturity date.

As of June 29, 2025, outstanding borrowings under the 2025 Credit Agreement totaled $320.0 million, comprised of $250.0 million under the 2025 Term Loan, and $70.0 million under the 2025 Revolver Facility. Letters of credit issued under the 2025 Revolver Facility totaled $5.3 million. As a result, as of June 29, 2025, the Company had $74.7 million available under the 2025 Revolver Facility.

As of December 29, 2024, outstanding borrowings under the Existing Credit Agreement totaled $313.8 million, comprised of $288.8 million under the 2023 Term Loan, and $25.0 million under the 2023 Revolver Facility. Letters of credit issued under the 2023 Revolver Facility totaled $5.3 million. As a result, as of December 29, 2024, the Company had $69.7 million available under the 2023 Revolver Facility. All amounts outstanding under the 2023 Term Loan and 2023 Revolver Facility were refinanced in connection with the Amendment.

Discount, Debt Issuance Costs and Interest Expense

Pursuant to the 2025 Credit Agreement, the Company capitalized deferred financing costs and issuance discounts of $1.3 million. The remaining unamortized costs under the 2023 Credit Agreement were $2.0 million. The total deferred financing costs and issuance discounts of $3.3 million will be amortized over the term of the 2025 Credit Agreement.

The Company amortized an immaterial amount of deferred financing costs during both the quarters ended June 29, 2025 and June 30, 2024, and $0.1 million of deferred financing costs during both the two quarters ended June 29, 2025 and June 30, 2024, which is included in interest expense in the condensed consolidated statements of operations. In addition, the Company amortized $0.2 million and $0.3 million in original issue discount related to the long-term debt during the quarter and two quarters ended June 29, 2025, respectively, and $0.2 million and $0.3 million in the quarter and two quarters ended June 30, 2024, respectively, which is included in interest expense in the condensed consolidated statements of operations.

Total interest expense was $5.7 million and $11.5 million for the quarter and two quarters ended June 29, 2025, respectively, and $6.6 million and $13.1 million for the quarter and two quarters ended June 30, 2024, respectively.

Fair Value of Debt

As of June 29, 2025 and December 29, 2024, the fair value of long-term debt approximates the carrying value as it is variable rate debt. The fair value measurement of this debt is considered Level 2 of the fair value hierarchy as inputs to interest are observable, unadjusted quoted prices in active markets for similar assets or liabilities.

Guarantees and Covenants

The 2025 Credit Agreement contains customary representations and warranties, events of default, reporting and other affirmative covenants and negative covenants, including limitations on indebtedness, liens, investments, negative pledges, dividends, junior financings and other fundamental changes. The 2025 Facilities are guaranteed, subject to customary exceptions, by all of the Borrower’s wholly-owned domestic restricted subsidiaries and Holdings, and are secured by a lien on substantially all of the Borrower’s assets, including fixed assets and intangibles, and the assets of the Guarantors, in each case, subject to customary exceptions. Failure to comply with these covenants and restrictions could result in an event of default under the 2025 Credit Agreement. In such an event, all amounts outstanding under the 2025 Credit Agreement, together with any accrued interest, could then be declared immediately due and payable.

As of June 29, 2025, the Company was in compliance with financial covenants in the 2025 Credit Agreement.

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NON-CONTROLLING INTERESTS

6 Months Ended

Jun. 29, 2025

Noncontrolling Interest [Abstract]

NON-CONTROLLING INTERESTS

NON-CONTROLLING INTERESTS

We are the sole managing member of Portillo's OpCo, and as a result, consolidate the financial results of Portillo's OpCo. We report a non-controlling interest to reflect the entitlement of the pre-IPO LLC Members who retained their equity ownership in Portillo's OpCo (the "pre-IPO LLC Members"). Changes in our ownership interest in Portillo's OpCo while we retain our controlling interest in Portillo's OpCo will be accounted for as equity transactions. As such, future redemptions or direct exchanges of LLC Units in Portillo's OpCo by the pre-IPO LLC members will result in a change in ownership and reduce the amount recorded as non-controlling interest and increase additional paid-in capital.

In the second quarter of 2025, certain pre-IPO Members affiliated with Berkshire Partners LLC redeemed 7,290,465 LLC units in the aggregate for newly-issued shares of Class A common stock on a one-for-one basis, in accordance with the terms of the Second Amended and Restated LLC agreement of Portillo's OpCo, dated as of October 20, 2021.

The following table summarizes the LLC interest ownership by Portillo's Inc. and pre-IPO LLC members:

	June 29, 2025			December 29, 2024
	LLC Units	Ownership %		LLC Units	Ownership %
Portillo's Inc.	71,890,168	95.4	%	63,674,579	85.6	%
pre-IPO LLC Members	3,442,335	4.6	%	10,732,800	14.4	%
Total	75,332,503	100.0	%	74,407,379	100.0	%

The weighted average ownership percentages for the applicable reporting periods are used to attribute net income to Portillo's Inc. and the pre-IPO LLC Members. The pre-IPO LLC Members' weighted average ownership percentage for the quarter and two quarters ended June 29, 2025 was 9.9% and 12.2%, respectively. The pre-IPO LLC Members' weighted average ownership percentage for the quarter and two quarters ended June 30, 2024 was 15.9% and 18.7%, respectively.

The following table summarizes the effects of changes in ownership in Portillo's OpCo on the Company’s equity (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Net income attributable to Portillo's Inc.	$	8,704	$	6,470	$	12,017	$	11,032
Activity under equity-based compensation plans	1,488		355		2,140		1,168
Non-controlling interest adjustment	61,281		403		61,463		46,878
Redemption of LLC Units	(73)		—		(73)		(58)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(21,805)		—		(21,805)		(15,913)
Total effect of changes in ownership interest on equity attributable to Portillo's Inc.	$	49,595	$	7,228	$	53,742	$	43,107

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EQUITY-BASED COMPENSATION

6 Months Ended

Jun. 29, 2025

Share-Based Payment Arrangement [Abstract]

EQUITY-BASED COMPENSATION

EQUITY-BASED COMPENSATION

Equity-based compensation expense is calculated based on equity awards ultimately expected to vest and is reduced for estimated forfeitures. Forfeitures are revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates and an adjustment to equity-based compensation expense will be recognized at that time.

Equity-based compensation expense included in the Company’s consolidated statements of operations is as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Labor	$	505	$	546	$	858	$	954
General and administrative expenses	2,153		2,344		3,750		4,763
Total equity-based compensation expense	$	2,658	$	2,890	$	4,608	$	5,717

Restricted Stock Units

During the two quarters ended June 29, 2025, the Company granted 589,745 RSUs, under the Portillo's Inc. 2021 Equity Incentive Plan (the "2021 Plan") to certain employees. During the two quarters ended June 29, 2025, we also granted 93,725 RSUs to non-employee directors under the 2021 Plan. The weighted average fair value of these awards was determined using the Company's closing stock price on the applicable grant dates, which was $12.08. The RSUs granted to employees will generally vest one-third on each of the first three anniversaries of the date of grant subject to continued service on such date. The RSUs granted to non-employee directors will vest at the end of this year.

Stock Options

During the quarter ended June 29, 2025, the Company granted 307,692 stock options under the 2021 Plan, to its President and Chief Executive Officer. The stock options vest on the fourth anniversary of the award and are exercisable within a 10-year period from the date of grant. The Company estimated the fair value of stock options on the date of grant using the Black-Scholes option-pricing model. The Black-Scholes option-pricing model requires estimates of highly subjective assumptions, which greatly affect the fair value of each stock option. The assumptions used to estimate the fair value of stock options granted during the quarter ended June 29, 2025 were as follows:

	2025
Fair value of stock option	$6.50
Stock Price	$12.08
Risk-free interest rate	4.29%
Expected life (years)	6.3
Volatility	50.0%

Performance Stock Units

During the quarter and two quarters ended June 29, 2025, the Company granted 301,118 performance stock units ("PSUs") to its executive officers under the 2021 Plan. These PSUs will vest after the fiscal year ending December 26, 2027 based on continued service and the achievement of performance metrics. The amount of awards that can be earned ranges from 0% to 200% of the number of performance stock units granted, based on the achievement of approved financial goals tied to the cumulative growth of revenue and Adjusted EBITDA from fiscal year 2025 to fiscal year 2027. The fair value of these awards was determined using the Company's closing stock price on the date of grant of $12.08. Equity-based compensation costs associated with these PSUs are reassessed each reporting period based on estimated performance achievement. The cumulative effect on current and prior periods of a change in attainment is recognized in general and administrative expenses in the consolidated statements of operations in the period of change.

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INCOME TAXES

6 Months Ended

Jun. 29, 2025

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

We are the sole managing member of Portillo's OpCo, and as a result, consolidate the financial results of Portillo's OpCo. Portillo's OpCo is treated as a partnership for U.S. federal and most applicable state and local income tax purposes. As a partnership, Portillo's OpCo is generally not subject to U.S. federal and state and local income taxes. Any taxable income or loss generated by Portillo's OpCo is passed through to and included in the taxable income or loss of its members, including us, based upon the respective member's ownership percentage in Portillo's OpCo. We are subject to U.S. federal income taxes, in addition to state and local income taxes with respect to our allocable share of any taxable income or loss of Portillo's OpCo, as well as any stand-alone income or loss generated by Portillo's Inc.

Income Tax Expense

The effective income tax rate for the quarter and two quarters ended June 29, 2025 was 26.8% and 26.4%, respectively, and 29.1% and 14.5%, respectively, for the quarter and two quarters ended June 30, 2024. The decrease in our effective income tax rate for the quarter ended June 29, 2025 compared to the quarter ended June 30, 2024 was primarily driven by the decrease in the valuation allowance recorded against a portion of the Company's deferred tax assets as a result of the redemption of LLC Units that occurred in the second quarter of 2025. The increase in our effective income tax rate for the two quarters ended June 29, 2025 compared to the two quarters ended June 30, 2024 was

primarily driven by an increase in the Company's ownership interest in Portillo's OpCo, which increases its share of taxable income (loss) of Portillo's OpCo. The Company’s annual effective tax rate differs from the statutory rate of 21% primarily because of state and local taxes, deferred tax adjustments and impacts from equity-based award activity partially offset by the portion of Portillo's OpCo earnings that are attributable to non-controlling interest that the Company is not liable for federal or state income taxes.

We evaluate the realizability of our deferred tax assets on a quarterly basis and establish valuation allowances when it is more likely than not that all or a portion of a deferred tax asset may not be realized. As of June 29, 2025, the Company concluded, based on the weight of all available positive and negative evidence, that all of its deferred tax assets (except for those deferred tax assets relating to the basis difference in its investment in Portillo's OpCo that will never be realizable or only reverse upon the eventual sale of its interest in Portillo's OpCo, which we expect would result in a capital loss which we do not expect to be able to utilize) are more likely than not to be realized.

Tax Receivable Agreement

In the second quarter of 2025, in connection with the redemption of LLC Units further discussed in Note 15. Related Party Transactions, 7,290,465 LLC units in the aggregate were redeemed for newly-issued shares of Class A common stock on a one-for-one basis, in accordance with the terms of the Second Amended and Restated LLC agreement of Portillo's OpCo, dated as of October 20, 2021. As a result, an increase in the tax basis of assets of Portillo's OpCo subject to the provision of the TRA was recorded. The Company recorded a deferred tax asset of $16.7 million and an additional TRA liability of $38.5 million.

As of June 29, 2025, we estimated that our obligation for future payments under the TRA liability totaled $352.9 million. During the two quarters ended June 29, 2025 and June 30, 2024, the Company made TRA payments of $7.7 million relating to tax year 2023 and $4.4 million relating to tax year 2022, respectively. We expect a payment of $9.2 million relating to tax year 2024 to be paid within the next 12 months.

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EARNINGS PER SHARE

6 Months Ended

Jun. 29, 2025

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

Basic net earnings per share of Class A common stock is computed by dividing net income attributable to Portillo's Inc. by the weighted-average number of Class A common stock outstanding.

Diluted net earnings per share is computed by dividing net income attributable to Portillo's Inc. by the weighted-average number of dilutive securities, using the treasury stock method.

The computations of basic and diluted earnings per share for the quarter and two quarters ended June 29, 2025 and June 30, 2024 are as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Net income	$	10,043	$	8,530	$	14,033	$	13,874
Net income attributable to non-controlling interests	1,339		2,060		2,016		2,842
Net income attributable to Portillo's Inc.	$	8,704	$	6,470	$	12,017	$	11,032
Shares:
Weighted-average number of common shares outstanding-basic	67,595		61,650		65,717		59,544
Dilutive share awards	2,273		2,959		2,458		3,034
Weighted-average number of common shares outstanding-diluted	69,868		64,609		68,175		62,578
Basic net income per share	$	0.13	$	0.10	$	0.18	$	0.19
Diluted net income per share	$	0.12	$	0.10	$	0.18	$	0.18

Shares of the Company’s Class B Common Stock do not participate in the earnings or losses of Portillo's Inc. and are therefore not participating securities. As such, separate presentation of basic and diluted earnings per share of Class B Common Stock under the two-class method has not been presented.

The following shares were excluded from the calculation of diluted earnings per share because they would be antidilutive or subject to performance conditions which have not been satisfied by the end of the reporting period (in thousands):

	Quarter Ended		Two Quarters Ended
	June 29, 2025	June 30, 2024	June 29, 2025	June 30, 2024
Performance Stock Options	1,377	2,109	1,377	2,109
Performance Stock Units	592	296	592	—
Restricted Stock Units	606	714	—	159
Stock Options	619	321	619	321
Total shares excluded from diluted net income per share	3,194	3,440	2,588	2,589

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CONTINGENCIES

6 Months Ended

Jun. 29, 2025

Commitments and Contingencies Disclosure [Abstract]

CONTINGENCIES

CONTINGENCIES

The Company is party to legal proceedings and potential claims arising in the normal conduct of business, including claims related to employment matters, contractual disputes, customer injuries, and property damage. Although the ultimate outcome of these claims and lawsuits cannot be predicted with certainty, management believes that the resulting liability, if any, will not have a material effect on the Company’s condensed consolidated financial statements.

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SEGMENT INFORMATION

6 Months Ended

Jun. 29, 2025

Segment Reporting [Abstract]

SEGMENT INFORMATION

SEGMENT INFORMATION

The Company's chief operating decision maker (the "CODM") is its Chief Executive Officer. As the CODM reviews financial performance and allocates resources at a consolidated level on a recurring basis, the Company has one operating segment and one reportable segment.

The CODM allocates resources and assesses performance of the Company based on net income (loss), as reported on the condensed consolidated statement of operations, which as the segment measure of profit and loss that is closest to GAAP, is the required segment measure. Net income was $10.0 million and $14.0 million for the quarter and two quarters ended June 29, 2025, respectively, and $8.5 million and $13.9 million for the quarter and two quarters ended June 30, 2024, respectively. In addition to net income (loss), the CODM also reviews revenue, operating income (loss), restaurant-level adjusted EBITDA, and adjusted EBITDA.

The CODM reviews these measures (i) to evaluate the Company's operating results and the effectiveness of business strategies, (ii) internally as benchmarks to compare the Company's performance to its competitors and (iii) as factors in evaluating management's performance when determining incentive compensation. Additionally, the Company believes these measures are important to evaluate the performance and profitability of our restaurants, individually and in the aggregate.

The CODM does not review segment assets and segment expenses at a level different than what is reported in the Company's condensed consolidated balance sheet and condensed consolidated statement of operations. Additionally, the CODM regularly receives information about the Company's capital expenditures which are reported in the Company's condensed consolidated statement of cash flows as purchase of property and equipment under investing activities.

No guest accounts for 10% or more of our revenues.

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RELATED PARTY TRANSACTIONS

6 Months Ended

Jun. 29, 2025

Related Party Transactions [Abstract]

RELATED PARTY TRANSACTIONS

RELATED PARTY TRANSACTIONS

As of June 29, 2025 and December 29, 2024 the related parties’ receivables balance consisted of $0.3 million, due from C&O, which is included in accounts and tenant improvement receivables in the condensed consolidated balance sheets.

Olo, Inc.

Noah Glass, a member of the Company's Board, is the founder and CEO of Olo, Inc. ("Olo"), a platform the Company uses in connection with our mobile ordering application and delivery.

The Company incurred the following Olo-related costs for the quarter and two quarters ended June 29, 2025 and June 30, 2024 (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Food, beverage and packaging costs	$	497	$	512	$	984	$	1,014
Other operating expenses	142		138		293		240
Total Olo-related costs	$	639	$	650	$	1,277	$	1,254

As of June 29, 2025 and December 29, 2024, $0.3 million and $0.4 million, respectively, were payable to Olo and were included in accounts payable in the condensed consolidated balance sheets.

Tax Receivable Agreement

We are party to a TRA with certain members of Portillo's OpCo that provides for the payment by us of 85% of the amount of tax benefits, if any, that Portillo's Inc. actually realizes or in some cases is deemed to realize as a result of certain transactions. During the two quarters ended June 29, 2025 and June 30, 2024, the Company made TRA payments of $7.7 million relating to tax year 2023 and $4.4 million relating to tax year 2022, respectively. We expect a payment of $9.2 million relating to tax year 2024 to be paid within the next 12 months.

(in thousands)	June 29, 2025		December 29, 2024
Current portion of Tax Receivable Agreement liability	$	9,177	$	7,686
Tax receivable agreement liability	343,717		316,893

Redemption of LLC Units

In the second quarter of 2025, certain pre-IPO Members affiliated with Berkshire Partners LLC redeemed 7,290,465 LLC units in the aggregate for newly-issued shares of Class A common stock on a one-for-one basis, in accordance with the terms of the Second Amended and Restated LLC agreement of Portillo's OpCo, dated as of October 20, 2021. Berkshire Partners LLC and its affiliates beneficially own approximately 5.2% of the Company as of June 29, 2025.

Distributions to Non-Controlling Interest Holders

	Quarter Ended				Two Quarters Ended
(in thousands)	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Distributions paid to non-controlling interest holders	$	—	$	—	$	1,291	$	838

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SUBSEQUENT EVENTS

6 Months Ended

Jun. 29, 2025

Subsequent Events [Abstract]

SUBSEQUENT EVENTS

SUBSEQUENT EVENTS

One Big Beautiful Bill Act

On July 4, 2025, the One Big Beautiful Bill Act ("the Act") was signed into law. The Act includes significant provisions, such as the permanent extension of certain expiring provisions of the Tax Cuts and Jobs Act, modifications to the international tax framework and the restoration of favorable tax treatment for certain business provisions. The legislation has multiple effective dates, with certain provisions effective in 2025 and others implemented through 2027. The impacts are not included in the Company's operating results for the six months ended June 29, 2025 since the legislation was not signed into law until after the end of the second quarter of 2025. We are currently assessing its impact on our consolidated financial statements, but do not expect a significant financial statement impact.

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Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Pay vs Performance Disclosure
Net income attributable to Portillo's Inc.	$ 8,704	$ 6,470	$ 12,017	$ 11,032

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Insider Trading Arrangements	3 Months Ended
	Jun. 29, 2025
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

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

6 Months Ended

Jun. 29, 2025

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The Company has prepared the accompanying unaudited condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial statements and pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC"). In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments consisting of normal recurring adjustments necessary for a fair presentation of our financial position and results of operations. Interim results of operations are not necessarily indicative of the results that may be achieved for the full year. The financial statements and related notes do not include all information and footnotes required by GAAP for annual reports. The unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in our Annual Report on Form 10-K for the fiscal year ended December 29, 2024.

Consolidation

All intercompany balances and transactions have been eliminated in consolidation.

Fiscal Year

Fiscal Year

The Company uses a 52- or 53-week fiscal year ending on the Sunday prior to or on December 31. In a 52-week fiscal year, each quarterly period is comprised of 13 weeks. The additional week in a 53-week fiscal year is added to the fourth quarter. Fiscal 2025 and 2024 consist of 52 weeks. The fiscal periods presented in this report are the quarters and two quarters ended June 29, 2025 and June 30, 2024, respectively.

Use of Estimates

Use of Estimates

The preparation of these condensed consolidated financial statements in conformity with GAAP requires 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 financial statements, and the reported amounts of sales and expenses during the period. Actual results could differ from those estimates.

Recently Issued and Adopted Accounting Standards

Recently Issued Accounting Standards

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) Improvements to Income Tax Disclosures, which requires public entities to disclose specific categories in the rate reconciliation and provide additional information for reconciling items that meet a quantitative threshold on an annual basis. ASU 2023-09 is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. The Company is currently evaluating the effect of adopting this ASU.

In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, which requires disaggregation of certain expense captions into specified categories in disclosures within the footnotes to the financial statements. In January 2025, the FASB issued ASU 2025-01 "Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures-Clarifying the Effective Date", which amends the effective date of ASU 2024-03 to clarify that all public business entities are required to adopt the guidance in annual reporting periods beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating the effect of adopting this ASU.

Recently Adopted Accounting Standards

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280) Improvements to Reportable Segment Disclosures, which requires public entities to disclose information about their reportable segments’ significant expenses on an interim and annual basis. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and for interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The Company adopted this standard for the year ended December 29, 2024. See Note 14. Segment Information for further detail.

The Company reviewed all other recently issued accounting pronouncements and concluded that they were either not applicable or not expected to have a significant impact to its condensed consolidated financial statements.

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REVENUE RECOGNITION (Tables)

6 Months Ended

Jun. 29, 2025

Revenue from Contract with Customer [Abstract]

Schedule of Gift Card Liability

The gift card liability included in deferred revenue on the condensed consolidated balance sheets is as follows (in thousands):

	June 29, 2025		December 29, 2024
Gift card liability	$	4,450	$	6,875

Revenue recognized in the condensed consolidated statement of operations for the redemption of gift cards that were included in their respective gift card liability balances at the beginning of the year is as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Revenue recognized from gift card liability balance at the beginning of the year	$	961	$	912	$	2,982	$	2,982

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INVENTORIES (Tables)

6 Months Ended

Jun. 29, 2025

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Raw materials	$	7,584	$	5,756
Work in progress	134		168
Finished goods	1,732		1,216
Consigned inventory	648		775
	$	10,098	$	7,915

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PROPERTY & EQUIPMENT, NET (Tables)

6 Months Ended

Jun. 29, 2025

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Land and land improvements	$	24,274	$	24,100
Buildings and improvements	5,516		5,084
Furniture, fixtures, and equipment	182,248		177,443
Leasehold improvements	287,985		286,003
Transportation equipment	2,026		2,042
Construction-in-progress	43,427		12,348
	545,476		507,020
Less accumulated depreciation	(160,593)		(148,045)
	$	384,883	$	358,975

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GOODWILL & INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 29, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Indefinite-Lived Intangibles, Net

Intangible assets, net consisted of the following (in thousands):

	As of June 29, 2025
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangible subject to amortization:
Recipes	56,117		(31,372)		24,745
	$	280,042	$	(31,372)	$	248,670

	As of December 29, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangible subject to amortization:
Recipes	56,117		(30,019)		26,098
	$	280,042	$	(30,019)	$	250,023

Schedule of Finite-Lived Intangibles, Net

Intangible assets, net consisted of the following (in thousands):

	As of June 29, 2025
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangible subject to amortization:
Recipes	56,117		(31,372)		24,745
	$	280,042	$	(31,372)	$	248,670

	As of December 29, 2024
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangible subject to amortization:
Recipes	56,117		(30,019)		26,098
	$	280,042	$	(30,019)	$	250,023

Schedule of Aggregate Amortization Expense

The estimated aggregate amortization expense related to intangible assets held at June 29, 2025 for the remainder of this year and the succeeding five years and thereafter is as follows (in thousands):

	Estimated Amortization
2025 (excluding the two quarters ended June 29, 2025)	$	1,354
2026	2,707
2027	2,707
2028	2,707
2029	2,150
2030	1,369
2031 and thereafter	11,751
	$	24,745

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

6 Months Ended

Jun. 29, 2025

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Mutual Fund Investments and Deferred Compensation Obligations

As of June 29, 2025 and December 29, 2024, the fair value of the mutual fund investments and deferred compensation obligations were as follows (in thousands):

	June 29, 2025		December 29, 2024
	Level 1		Level 1
Assets - Investments designated for deferred compensation plan
Cash accounts	$	867	$	988
Mutual funds	1,989		2,208
Total assets	$	2,856	$	3,196

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DEBT (Tables)

6 Months Ended

Jun. 29, 2025

Debt Disclosure [Abstract]

Schedule of Debt

Debt consisted of the following (in thousands):

	June 29, 2025		December 29, 2024
Term Loan	$	250,000	$	288,750
Revolver Facility	70,000		25,000
Unamortized discount and debt issuance costs	(2,992)		(2,078)
Total debt, net	317,008		311,672
Less: Short-term debt	(70,000)		(25,000)
Less: Current portion of long-term debt	(6,250)		(11,250)
Long-term debt, net	$	240,758	$	275,422

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NON-CONTROLLING INTERESTS (Tables)

6 Months Ended

Jun. 29, 2025

Noncontrolling Interest [Abstract]

Schedule of LLC Interest Ownership by Portillo's Inc. and Pre-IPO LLC Members

The following table summarizes the LLC interest ownership by Portillo's Inc. and pre-IPO LLC members:

	June 29, 2025			December 29, 2024
	LLC Units	Ownership %		LLC Units	Ownership %
Portillo's Inc.	71,890,168	95.4	%	63,674,579	85.6	%
pre-IPO LLC Members	3,442,335	4.6	%	10,732,800	14.4	%
Total	75,332,503	100.0	%	74,407,379	100.0	%

Schedule of Effects of Changes in Ownership in Portillo's OpCo on the Company’s Equity

The following table summarizes the effects of changes in ownership in Portillo's OpCo on the Company’s equity (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Net income attributable to Portillo's Inc.	$	8,704	$	6,470	$	12,017	$	11,032
Activity under equity-based compensation plans	1,488		355		2,140		1,168
Non-controlling interest adjustment	61,281		403		61,463		46,878
Redemption of LLC Units	(73)		—		(73)		(58)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(21,805)		—		(21,805)		(15,913)
Total effect of changes in ownership interest on equity attributable to Portillo's Inc.	$	49,595	$	7,228	$	53,742	$	43,107

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EQUITY-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 29, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Equity-Based Compensation Expense

Equity-based compensation expense included in the Company’s consolidated statements of operations is as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Labor	$	505	$	546	$	858	$	954
General and administrative expenses	2,153		2,344		3,750		4,763
Total equity-based compensation expense	$	2,658	$	2,890	$	4,608	$	5,717

Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions

The assumptions used to estimate the fair value of stock options granted during the quarter ended June 29, 2025 were as follows:

	2025
Fair value of stock option	$6.50
Stock Price	$12.08
Risk-free interest rate	4.29%
Expected life (years)	6.3
Volatility	50.0%

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EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 29, 2025

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings per Share

The computations of basic and diluted earnings per share for the quarter and two quarters ended June 29, 2025 and June 30, 2024 are as follows (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Net income	$	10,043	$	8,530	$	14,033	$	13,874
Net income attributable to non-controlling interests	1,339		2,060		2,016		2,842
Net income attributable to Portillo's Inc.	$	8,704	$	6,470	$	12,017	$	11,032
Shares:
Weighted-average number of common shares outstanding-basic	67,595		61,650		65,717		59,544
Dilutive share awards	2,273		2,959		2,458		3,034
Weighted-average number of common shares outstanding-diluted	69,868		64,609		68,175		62,578
Basic net income per share	$	0.13	$	0.10	$	0.18	$	0.19
Diluted net income per share	$	0.12	$	0.10	$	0.18	$	0.18

Schedule of Units Excluded from Calculation of Diluted Earnings per Share

The following shares were excluded from the calculation of diluted earnings per share because they would be antidilutive or subject to performance conditions which have not been satisfied by the end of the reporting period (in thousands):

	Quarter Ended		Two Quarters Ended
	June 29, 2025	June 30, 2024	June 29, 2025	June 30, 2024
Performance Stock Options	1,377	2,109	1,377	2,109
Performance Stock Units	592	296	592	—
Restricted Stock Units	606	714	—	159
Stock Options	619	321	619	321
Total shares excluded from diluted net income per share	3,194	3,440	2,588	2,589

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RELATED PARTY TRANSACTIONS (Tables)

6 Months Ended

Jun. 29, 2025

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The Company incurred the following Olo-related costs for the quarter and two quarters ended June 29, 2025 and June 30, 2024 (in thousands):

	Quarter Ended				Two Quarters Ended
	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Food, beverage and packaging costs	$	497	$	512	$	984	$	1,014
Other operating expenses	142		138		293		240
Total Olo-related costs	$	639	$	650	$	1,277	$	1,254

(in thousands)	June 29, 2025		December 29, 2024
Current portion of Tax Receivable Agreement liability	$	9,177	$	7,686
Tax receivable agreement liability	343,717		316,893

Redemption of LLC Units

In the second quarter of 2025, certain pre-IPO Members affiliated with Berkshire Partners LLC redeemed 7,290,465 LLC units in the aggregate for newly-issued shares of Class A common stock on a one-for-one basis, in accordance with the terms of the Second Amended and Restated LLC agreement of Portillo's OpCo, dated as of October 20, 2021. Berkshire Partners LLC and its affiliates beneficially own approximately 5.2% of the Company as of June 29, 2025.

Distributions to Non-Controlling Interest Holders

	Quarter Ended				Two Quarters Ended
(in thousands)	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Distributions paid to non-controlling interest holders	$	—	$	—	$	1,291	$	838

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DESCRIPTION OF BUSINESS (Details)	Jun. 29, 2025 restaurant property state commissary	Dec. 29, 2024 restaurant
Schedule of Equity Method Investments [Line Items]
Number of states | state	10
Number of food production commissaries | commissary	2
Number of restaurants | restaurant	93	93
Number of non-traditional locations | property	1
C&O
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%

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REVENUE RECOGNITION - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024	Dec. 29, 2024
Revenue Recognition, Milestone Method [Line Items]
Gift card breakage			$ 502	$ 502
Gift Card
Revenue Recognition, Milestone Method [Line Items]
Gift card breakage, percent of sales	11.00%		11.00%
Gift card breakage	$ 200	$ 500	$ 200	$ 500
Gift card liability	4,450		4,450		$ 6,875
Portillo’s Perks
Revenue Recognition, Milestone Method [Line Items]
Gift card liability	$ 100		$ 100
Minimum | Portillo’s Perks
Revenue Recognition, Milestone Method [Line Items]
Expiration period			14 days
Maximum | Portillo’s Perks
Revenue Recognition, Milestone Method [Line Items]
Expiration period			30 days

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REVENUE RECOGNITION - Schedule of Gift Card Liability (Details) - Gift Card - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024	Dec. 29, 2024
Revenue from External Customer [Line Items]
Gift card liability	$ 4,450		$ 4,450		$ 6,875
Revenue recognized from gift card liability balance at the beginning of the year	$ 961	$ 912	$ 2,982	$ 2,982

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INVENTORIES (Details) - USD ($) $ in Thousands	Jun. 29, 2025	Dec. 29, 2024
Inventory Disclosure [Abstract]
Raw materials	$ 7,584	$ 5,756
Work in progress	134	168
Finished goods	1,732	1,216
Consigned inventory	648	775
Total inventory	$ 10,098	$ 7,915

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PROPERTY & EQUIPMENT, NET (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024	Dec. 29, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 545,476		$ 545,476		$ 507,020
Less accumulated depreciation	(160,593)		(160,593)		(148,045)
Total property and equipment	384,883		384,883		358,975
Depreciation expense	6,400	$ 6,400	12,800	$ 12,600
Land and land improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	24,274		24,274		24,100
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,516		5,516		5,084
Furniture, fixtures, and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	182,248		182,248		177,443
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	287,985		287,985		286,003
Transportation equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,026		2,026		2,042
Construction-in-progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 43,427		$ 43,427		$ 12,348

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GOODWILL & INTANGIBLE ASSETS - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 29, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 29, 2025 USD ($) reporting_unit	Jun. 30, 2024 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment charges	$ 0	$ 0	$ 0	$ 0
Number of reporting units | reporting_unit			1
Amortization expense	$ 700,000	$ 700,000	$ 1,400,000	$ 1,400,000

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GOODWILL & INTANGIBLE ASSETS - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands	Jun. 29, 2025	Dec. 29, 2024
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 223,925	$ 223,925
Accumulated Amortization	(31,372)	(30,019)
Intangible subject to amortization, net	24,745
Gross Carrying Amount	280,042	280,042
Net Carrying Amount	248,670	250,023
Recipes
Finite-Lived Intangible Assets [Line Items]
Intangible subject to amortization, gross	56,117	56,117
Accumulated Amortization	(31,372)	(30,019)
Intangible subject to amortization, net	$ 24,745	$ 26,098

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GOODWILL & INTANGIBLE ASSETS - Schedule of Aggregate Amortization Expense (Details) $ in Thousands	Jun. 29, 2025 USD ($)
Estimated Amortization
2025 (excluding the two quarters ended June 29, 2025)	$ 1,354
2026	2,707
2027	2,707
2028	2,707
2029	2,150
2030	1,369
2031 and thereafter	11,751
Intangible subject to amortization, net	$ 24,745

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024	Dec. 29, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Asset impairment charges	$ 0	$ 0	$ 0	$ 0
Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total assets	2,856,000		2,856,000		$ 3,196,000
Level 1 | Recurring | Cash accounts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total assets	867,000		867,000		988,000
Level 1 | Recurring | Mutual funds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total assets	$ 1,989,000		$ 1,989,000		$ 2,208,000

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DEBT - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 29, 2025	Dec. 29, 2024
Debt Instrument [Line Items]
Unamortized discount and debt issuance costs	$ (2,992)	$ (2,078)
Total debt, net	317,008	311,672
Less: Short-term debt	(70,000)	(25,000)
Less: Current portion of long-term debt	(6,250)	(11,250)
Long-term debt, net	240,758	275,422
Line of Credit
Debt Instrument [Line Items]
Revolver Facility	320,000	313,800
Unamortized discount and debt issuance costs	(3,300)
Less: Short-term debt	(70,000)	(25,000)
Less: Current portion of long-term debt	(6,250)	(11,250)
Line of Credit | Term Loan | Term Loan
Debt Instrument [Line Items]
Term Loan	250,000	288,750
Revolver Facility	250,000
Revolving Credit Facility | Revolver Facility
Debt Instrument [Line Items]
Revolver Facility	$ 70,000	$ 25,000

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DEBT - Narrative (Details) - USD ($)		3 Months Ended		6 Months Ended
	Jan. 27, 2025	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024	Dec. 29, 2024
Debt Instrument [Line Items]
Unamortized discount and debt issuance costs		$ 2,992,000		$ 2,992,000		$ 2,078,000
Amortization of debt issuance costs		0	$ 0	100,000	$ 100,000
Amortization of debt discount		200,000	200,000	300,000	300,000
Interest cost		5,726,000	$ 6,603,000	11,475,000	$ 13,133,000
Line of Credit
Debt Instrument [Line Items]
Adjusted leverage ratio	0.00%
Effective interest rate			8.31%		8.31%
2023 revolver facility		320,000,000		320,000,000		313,800,000
Issuance discount		1,300,000		1,300,000
Remaining unamortized costs		2,000,000		2,000,000
Unamortized discount and debt issuance costs		$ 3,300,000		$ 3,300,000
Line of Credit | 2025 Revolver Facility
Debt Instrument [Line Items]
Effective interest rate		6.90%		6.90%
Line of Credit | Term Loan | 2025 Term Loan
Debt Instrument [Line Items]
Aggregate principal amount	$ 250,000,000
Line of Credit | Term Loan | Term Loan
Debt Instrument [Line Items]
Aggregate principal amount	300,000,000
Interest rate at period end		6.55%	7.98%	6.55%	7.98%
Annual amount for first year	6,300,000
Annual amount for second year	6,300,000
Annual amount for third year	12,500,000
Annual amount for fourth year	12,500,000
Annual amount for fifth year	25,000,000.0
2023 revolver facility		$ 250,000,000		$ 250,000,000
Line of Credit | Term Loan | 2023 Term Loan
Debt Instrument [Line Items]
2023 revolver facility						288,800,000
Line of Credit | Revolving Credit Facility | 2025 Revolver Facility
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	150,000,000
Interest rate at period end		6.58%		6.58%
Commitment fee percentage				0.20%
2023 revolver facility		$ 70,000,000		$ 70,000,000
Remaining borrowing capacity		$ 74,700,000		$ 74,700,000
Line of Credit | Revolving Credit Facility | Revolver Facility
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	$ 100,000,000
Interest rate at period end			7.94%		7.94%
Commitment fee percentage					0.20%
2023 revolver facility						25,000,000
Remaining borrowing capacity						69,700,000
Line of Credit | Letter of Credit | 2025 Revolver Facility
Debt Instrument [Line Items]
Letter of credit fee percentage		2.25%		2.25%
Letters of credit		$ 5,300,000		$ 5,300,000
Line of Credit | Letter of Credit | Revolver Facility
Debt Instrument [Line Items]
Letter of credit fee percentage			2.50%		2.50%
Line of Credit | Letter of Credit | Revolver Facility
Debt Instrument [Line Items]
Letters of credit						$ 5,300,000

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NON-CONTROLLING INTERESTS - Schedule of LLC Interest Ownership by Portillo's Inc. and Pre-IPO LLC Members (Details) - shares	Jun. 29, 2025	Dec. 29, 2024
Portillo's Inc.
Noncontrolling Interest [Line Items]
Total	100.00%	100.00%
LLC Units
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	75,332,503	74,407,379
Portillo's Inc. | Portillo's Inc.
Noncontrolling Interest [Line Items]
Ownership %	95.40%	85.60%
Portillo's Inc. | LLC Units
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	71,890,168	63,674,579
Common Class B | Portillo's Inc.
Noncontrolling Interest [Line Items]
Ownership %	4.60%	14.40%
Common Class B | LLC Units
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	3,442,335	10,732,800

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NON-CONTROLLING INTERESTS - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 29, 2025 shares	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Noncontrolling Interest [Line Items]
Redemption of LLC Interests (in shares)	7,290,465
Common Class B
Noncontrolling Interest [Line Items]
Redemption of LLC Interests (in shares)	7,290,465
Portillo's Inc.
Noncontrolling Interest [Line Items]
Redemption ratio	1		1
Portillo's Opco
Noncontrolling Interest [Line Items]
Weighted average ownership percentage	9.90%	15.90%	12.20%	18.70%

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NON-CONTROLLING INTERESTS - Schedule of Effects Changes in Ownership in Portillo's OpCo on the Company’s Equity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Noncontrolling Interest [Abstract]
Net income attributable to Portillo's Inc.	$ 8,704	$ 6,470	$ 12,017	$ 11,032
Transfers from (to) non-controlling interests:
Activity under equity-based compensation plans	1,488	355	2,140	1,168
Non-controlling interest adjustment	61,281	403	61,463	46,878
Redemption of LLC Units	(73)	0	(73)	(58)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(21,805)	0	(21,805)	(15,913)
Total effect of changes in ownership interest on equity attributable to Portillo's Inc.	$ 49,595	$ 7,228	$ 53,742	$ 43,107

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EQUITY-BASED COMPENSATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation expense	$ 2,658	$ 2,890	$ 4,608	$ 5,717
Labor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation expense	505	546	858	954
General and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation expense	$ 2,153	$ 2,344	$ 3,750	$ 4,763

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EQUITY-BASED COMPENSATION - Narrative (Details)	3 Months Ended	6 Months Ended
	Jun. 29, 2025 $ / shares shares	Jun. 29, 2025 $ / shares shares
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value, granted (in dollars per share) | $ / shares		$ 12.08
Vesting period		3 years
Restricted Stock Units | Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage		33.00%
Restricted Stock Units | Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage		33.00%
Restricted Stock Units | Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage		33.00%
Restricted Stock Units | Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		589,745
Restricted Stock Units | Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		93,725
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years
Granted options award (in shares)	307,692	307,692
Termination period		10 years
Share price (in usd per share) | $ / shares	$ 12.08	$ 12.08
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	301,118	301,118
Share price (in usd per share) | $ / shares	$ 12.08	$ 12.08
Performance Stock Units | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance stock units granted, percentage		200.00%
Performance Stock Units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance stock units granted, percentage		0.00%

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EQUITY-BASED COMPENSATION - Schedule of Fair Value and Weighted Average Assumptions (Details) - Stock Options	6 Months Ended
	Jun. 29, 2025 $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of stock option (in usd per share)	$ 6.50
Stock price (in usd per share)	$ 12.08
Risk-free interest rate	4.29%
Expected life (years)	6 years 3 months 18 days
Volatility	50.00%

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INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024	Dec. 29, 2024
Effective Income Tax Rate Reconciliation [Line Items]
Effective income tax rate percent	26.80%	29.10%	26.40%	14.50%
Redemption of LLC Interests (in shares)	7,290,465
Deferred tax assets tax receivable	$ 16,700
Deferred tax liabilities, tax receivable	38,500
Tax receivable agreement liability	352,900		$ 352,900
TRA amounts paid			7,700	$ 4,400
Expected payment	$ 9,177		$ 9,177		$ 7,686
Common Class B
Effective Income Tax Rate Reconciliation [Line Items]
Redemption of LLC Interests (in shares)	7,290,465

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EARNINGS PER SHARE - Schedule of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Earnings Per Share [Abstract]
Net income	$ 10,043	$ 8,530	$ 14,033	$ 13,874
Net income attributable to non-controlling interests	1,339	2,060	2,016	2,842
NET INCOME ATTRIBUTABLE TO PORTILLO'S INC.	$ 8,704	$ 6,470	$ 12,017	$ 11,032
Shares:
Weighted-average number of common shares outstanding-basic (in shares)	67,595,224	61,650,118	65,716,582	59,543,950
Dilutive share awards (in shares)	2,273,000	2,959,000	2,458,000	3,034,000
Weighted-average number of common shares outstanding-diluted (in shares)	69,867,802	64,608,698	68,174,864	62,577,748
Basic net income per share (in usd per share)	$ 0.13	$ 0.10	$ 0.18	$ 0.19
Diluted net income per share (in usd per share)	$ 0.12	$ 0.10	$ 0.18	$ 0.18

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EARNINGS PER SHARE - Schedule of Units Excluded from Calculation of Diluted Earnings per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from diluted net income per share (in shares)	3,194	3,440	2,588	2,589
Performance Shares Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from diluted net income per share (in shares)	1,377	2,109	1,377	2,109
Performance Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from diluted net income per share (in shares)	592	296	592	0
Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from diluted net income per share (in shares)	606	714	0	159
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from diluted net income per share (in shares)	619	321	619	321

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SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 29, 2025 USD ($) segment	Jun. 30, 2024 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment			1
Number of reportable segments | segment			1
Segment Reporting Information [Line Items]
Net income | $	$ 10,043	$ 8,530	$ 14,033	$ 13,874
Segment
Segment Reporting Information [Line Items]
Net income | $	$ 10,000	$ 8,500

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RELATED PARTY TRANSACTIONS (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025 USD ($) shares	Jun. 30, 2024 USD ($)	Jun. 29, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 29, 2024 USD ($)
Related Party Transaction [Line Items]
Food, beverage and packaging costs	$ 63,750	$ 61,712	$ 124,852	$ 118,673
Other operating expenses	21,919	19,958	43,709	39,815
Total restaurant operating expenses	143,975	137,293	283,756	266,753
Accounts payable	43,683		$ 43,683		$ 45,516
TRA obligation percent			85.00%
TRA amounts paid			$ 7,700	4,400
Current portion of Tax Receivable Agreement liability	9,177		9,177		7,686
Tax receivable agreement liability	$ 343,717		343,717		316,893
Redemption of LLC Interests (in shares) | shares	7,290,465
Distributions paid to non-controlling interest holders	$ 0	0	$ 1,291	838
Portillo's Inc.
Related Party Transaction [Line Items]
Redemption ratio	1		1
Common Class B
Related Party Transaction [Line Items]
Redemption of LLC Interests (in shares) | shares	7,290,465
Portillo's Inc. | Berkshire Partners L L C
Related Party Transaction [Line Items]
Ownership %	5.20%		5.20%
Related party
Related Party Transaction [Line Items]
Accounts and tenant improvement receivables	$ 300		$ 300		300
Food, beverage and packaging costs	497	512	984	1,014
Other operating expenses	142	138	293	240
Total restaurant operating expenses	639	$ 650	1,277	$ 1,254
Accounts payable	$ 300		$ 300		$ 400