X0202 SCHEDULE 13D/A 0001103804 XXXXXXXX LIVE 12 Common Stock, par value $0.001 per share 07/09/2026 false 0001743881 10806X102 BridgeBio Pharma, Inc.

3160 Porter Drive Suite 250 Palo Alto CA 94304

Matthew Bloom (212) 672-7059 General Counsel 600 Washington Boulevard, Floor 11 Stamford CT 06901 0001103804 N VIKING GLOBAL INVESTORS LP b OO DE 0 9792219 0 9792219 9792219 N 5 PN Each of the Reporting Persons beneficially owns approximately 4.9951% of the outstanding shares of the Common Stock, par value $0.001 per share (the "Common Stock"), of BridgeBio Pharma, Inc. (the "Issuer"). The percent of class reported in Row 13 has been rounded to 5% in accordance with the instructions to Schedule 13D in Rule 13d-101. All share percentage calculations in this Amendment No. 12 to the Schedule 13D are based on 196,036,786 shares of Common Stock of the Issuer outstanding as of May 31, 2026, as reported in exhibit 10.1 to the Issuer's current report on Form 8-K filed with the Securities and Exchange Commission (the "Commission") on July 2, 2026. 0001886738 N Viking Global Opportunities Parent GP LLC b OO DE 0 9792219 0 9792219 9792219 N 5 OO Each of the Reporting Persons beneficially owns approximately 4.9951% of the outstanding shares of the Issuer's Common Stock. The percent of class reported in Row 13 has been rounded to 5% in accordance with the instructions to Schedule 13D in Rule 13d-101. 0001629476 N Viking Global Opportunities GP LLC b OO DE 0 9792219 0 9792219 9792219 N 5 OO Each of the Reporting Persons beneficially owns approximately 4.9951% of the outstanding shares of the Issuer's Common Stock. The percent of class reported in Row 13 has been rounded to 5% in accordance with the instructions to Schedule 13D in Rule 13d-101. 0001629472 N Viking Global Opportunities Portfolio GP LLC b OO DE 0 9792219 0 9792219 9792219 N 5 OO Each of the Reporting Persons beneficially owns approximately 4.9951% of the outstanding shares of the Issuer's Common Stock. The percent of class reported in Row 13 has been rounded to 5% in accordance with the instructions to Schedule 13D in Rule 13d-101. 0001629482 N Viking Global Opportunities Illiquid Investments Sub-Master LP b OO E9 0 9792219 0 9792219 9792219 N 5 PN Each of the Reporting Persons beneficially owns approximately 4.9951% of the outstanding shares of the Issuer's Common Stock. The percent of class reported in Row 13 has been rounded to 5% in accordance with the instructions to Schedule 13D in Rule 13d-101. 0001133006 N HALVORSEN OLE ANDREAS b OO Q8 0 9792219 0 9792219 9792219 N 5 IN Each of the Reporting Persons beneficially owns approximately 4.9951% of the outstanding shares of the Issuer's Common Stock. The percent of class reported in Row 13 has been rounded to 5% in accordance with the instructions to Schedule 13D in Rule 13d-101. 0001711393 N Shabet Rose Sharon b OO X1 0 9792219 0 9792219 9792219 N 5 IN Each of the Reporting Persons beneficially owns approximately 4.9951% of the outstanding shares of the Issuer's Common Stock. The percent of class reported in Row 13 has been rounded to 5% in accordance with the instructions to Schedule 13D in Rule 13d-101. Common Stock, par value $0.001 per share BridgeBio Pharma, Inc. 3160 Porter Drive Suite 250 Palo Alto CA 94304 Pursuant to Rule 13d-2 under the Securities Exchange Act of 1934, as amended, this Amendment No. 12 to the Schedule 13D ("Amendment No. 12") amends certain items of the Schedule 13D filed with the Commission on July 8, 2019, as amended and supplemented by Amendment No. 1 filed with the Commission on July 19, 2023, Amendment No. 2 filed with the Commission on November 22, 2023, Amendment No. 3 filed with the Commission on August 20, 2024, Amendment No. 4 filed with the Commission on November 6, 2024, Amendment No. 5 filed with the Commission on January 31, 2025, Amendment No. 6 filed with the Commission on March 12, 2025, Amendment No. 7 filed with the Commission on July 1, 2025, Amendment No. 8 filed with the Commission on August 14, 2025, Amendment No. 9 filed with the Commission on November 14, 2025, Amendment No. 10 filed with the Commission on February 17, 2026 and Amendment No. 11 filed with the Commission on April 2, 2026 (collectively, the "Schedule 13D") relating to the Common Stock, par value $0.001 per share (the "Common Stock") of BridgeBio Pharma, Inc., a Delaware corporation (the "Issuer"). All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Schedule 13D. Item 4 of the Schedule 13D is hereby amended and supplemented as follows: The response to Item 5(c) of this Amendment No. 12 is incorporated by reference herein. Item 5(a) of the Schedule 13D is hereby amended and supplemented as follows: The information contained on each of the cover pages of this Schedule 13D and the information set forth or incorporated in Items 2, 3, 4 and 6 are hereby incorporated herein by reference. Each of the Reporting Persons beneficially owns approximately 4.9951% of the outstanding shares of the Issuer's Common Stock. The percent of class reported in Row 13 of each Reporting Person's cover sheet has been rounded to 5% in accordance with the instructions to Schedule 13D in Rule 13d-101. Such percentage was calculated for each Reporting Person based on 196,036,786 shares of Common Stock outstanding as of May 31, 2026, as reported in exhibit 10.1 to the Issuer's current report on Form 8-K filed with the Commission on July 2, 2026. Opportunities Fund has the authority to dispose of and vote the shares of Common Stock directly owned by it, which power may be exercised by its general partner, Opportunities Portfolio GP, and by VGI, an affiliate of Opportunities Portfolio GP, which provides managerial services to Opportunities Fund. Viking Global Opportunities LP (a Delaware limited partnership) and Viking Global Opportunities III LP (a Cayman Islands exempted limited partnership), through its investment in Viking Global Opportunities Intermediate LP (a Cayman Islands exempted limited partnership), invest substantially all of their assets in Viking Global Opportunities Master LP (a Cayman Islands exempted limited partnership), which in turn invests through Opportunities Fund. VGI provides managerial services to Opportunities Fund. VGI has the power to direct the voting and disposition of the shares of Common Stock directly held by Opportunities Fund. Accordingly, VGI may be deemed to have beneficial ownership over any shares of Common Stock directly owned by Opportunities Fund. Opportunities Portfolio GP serves as the general partner of Opportunities Fund and has the power to direct the voting and disposition of the shares of Common Stock directly held by Opportunities Fund. Accordingly, Opportunities Portfolio GP may be deemed to have beneficial ownership over any shares of Common Stock directly owned by Opportunities Fund. Opportunities GP serves as the sole member of Opportunities Portfolio GP and has the power to direct the voting and disposition of the shares of Common Stock controlled by Opportunities Portfolio GP, which consists of the shares of Common Stock directly held by Opportunities Fund. Accordingly, Opportunities GP may be deemed to have beneficial ownership over any shares of Common Stock deemed beneficially owned by Opportunities Portfolio GP, consisting of any shares of Common Stock directly owned by Opportunities Fund. Opportunities Parent serves as the sole member of Opportunities GP, which has the power to direct the voting and disposition of the shares of Common Stock controlled by Opportunities Portfolio GP, which consists of the shares of Common Stock directly held by Opportunities Fund. Accordingly, Opportunities Parent may be deemed to have beneficial ownership over any shares of Common Stock deemed beneficially owned by Opportunities GP, consisting of any shares of Common Stock directly owned by Opportunities Fund. Mr. Halvorsen and Ms. Shabet, as Executive Committee Members of Viking Global Partners LLC (the general partner of VGI) and Opportunities Parent, have shared authority to direct the voting and disposition of the shares of Common Stock beneficially owned by VGI and Opportunities Parent. Accordingly, each of Mr. Halvorsen and Ms. Shabet may be deemed to have beneficial ownership over any shares of Common Stock deemed beneficially owned by VGI and Opportunities Parent. Except as disclosed in this Amendment No. 12, none of the Reporting Persons beneficially owns any shares of Common Stock or has the right to acquire any shares of Common Stock. Except as disclosed in this Amendment No. 12, none of the Reporting Persons presently has the power to vote or to direct the voting or to dispose or direct the disposition of any shares of Common Stock that such Reporting Person may be deemed to beneficially own. Item 5(b) of the Schedule 13D is hereby amended and supplemented as follows: The information contained on each of the cover pages of this Schedule 13D and the information set forth or incorporated in Items 2, 3, 4 and 6 are hereby incorporated herein by reference. Item 5(c) of the Schedule 13D is hereby amended and supplemented as follows: Except for the transactions listed in Exhibit 99.14 of this Amendment No. 12, the Reporting Persons have not effected any transactions in the Common Stock during the past 60 days. As of July 9, 2026, the Reporting Persons ceased to be beneficial owners of more than 5% of the shares of Common Stock. Item 7 of the Schedule 13D is hereby amended and supplemented as follows: Exhibit 99.14 - Schedule of Transactions VIKING GLOBAL INVESTORS LP /s/ Scott M. Hendler 07/10/2026 Viking Global Opportunities Parent GP LLC /s/ Scott M. Hendler 07/10/2026 Viking Global Opportunities GP LLC /s/ Scott M. Hendler 07/10/2026 Viking Global Opportunities Portfolio GP LLC /s/ Scott M. Hendler 07/10/2026 Viking Global Opportunities Illiquid Investments Sub-Master LP /s/ Scott M. Hendler 07/10/2026 HALVORSEN OLE ANDREAS /s/ Scott M. Hendler 07/10/2026 Shabet Rose Sharon /s/ Scott M. Hendler 07/10/2026 (1) Scott M. Hendler is signing on behalf of O. Andreas Halvorsen, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, and VIKING GLOBAL OPPORTUNITIES LIQUID PORTFOLIO SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737). (2) Scott M. Hendler is signing on behalf of Rose S. Shabet, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, and VIKING GLOBAL OPPORTUNITIES LIQUID PORTFOLIO SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737).