BridgeBio Oncology Therapeutics, Inc. (Form: SC 13G, Received: 09/03/2025 15:06:00)

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

BridgeBio Oncology Therapeutics, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

107924102

(CUSIP Number)

09/04/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
☐   Rule 13d-1(b)
☒   Rule 13d-1(c)
☐   Rule 13d-1(d)

SCHEDULE 13G

CUSIP No.

107924102

1	Names of Reporting Persons BC Global Opportunities IX LP
2	Check the appropriate box if a member of a Group (see instructions) ☐ (a) ☒ (b)
3	SEC Use Only
4	Citizenship or Place of Organization VIRGIN ISLANDS, BRITISH
Number of Shares Beneficially Owned by Each Reporting Person With:	5 Sole Voting Power: 0.00 6 Shared Voting Power: 4,365,747.00 7 Sole Dispositive Power: 0.00 8 Shared Dispositive Power: 4,365,747.00
9	Aggregate Amount Beneficially Owned by Each Reporting Person 4,365,747.00
10	Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) ☐
11	Percent of class represented by amount in row (9) 5.5 %
12	Type of Reporting Person (See Instructions) PN

SCHEDULE 13G

CUSIP No.

107924102

1	Names of Reporting Persons BC General Partner, LP
2	Check the appropriate box if a member of a Group (see instructions) ☐ (a) ☒ (b)
3	SEC Use Only
4	Citizenship or Place of Organization VIRGIN ISLANDS, BRITISH
Number of Shares Beneficially Owned by Each Reporting Person With:	5 Sole Voting Power: 0.00 6 Shared Voting Power: 4,365,747.00 7 Sole Dispositive Power: 0.00 8 Shared Dispositive Power: 4,365,747.00
9	Aggregate Amount Beneficially Owned by Each Reporting Person 4,365,747.00
10	Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) ☐
11	Percent of class represented by amount in row (9) 5.5 %
12	Type of Reporting Person (See Instructions) PN

Comment for Type of Reporting Person: Comprise of shares of Common Stock held by BC Global Opportunities IX LP, of which BC General Partner, LP is the general partner.

SCHEDULE 13G

CUSIP No.

107924102

1	Names of Reporting Persons BC Capital Management Limited
2	Check the appropriate box if a member of a Group (see instructions) ☐ (a) ☒ (b)
3	SEC Use Only
4	Citizenship or Place of Organization VIRGIN ISLANDS, BRITISH
Number of Shares Beneficially Owned by Each Reporting Person With:	5 Sole Voting Power: 0.00 6 Shared Voting Power: 4,365,747.00 7 Sole Dispositive Power: 0.00 8 Shared Dispositive Power: 4,365,747.00
9	Aggregate Amount Beneficially Owned by Each Reporting Person 4,365,747.00
10	Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) ☐
11	Percent of class represented by amount in row (9) 5.5 %
12	Type of Reporting Person (See Instructions) PN

Comment for Type of Reporting Person: Comprised of shares of Common Stock held by BC General Partner, LP, of which BC Capital Management Limited is the general partner.

SCHEDULE 13G

CUSIP No.

107924102

1	Names of Reporting Persons Tan Kuangming
2	Check the appropriate box if a member of a Group (see instructions) ☐ (a) ☐ (b)
3	SEC Use Only
4	Citizenship or Place of Organization VIRGIN ISLANDS, BRITISH
Number of Shares Beneficially Owned by Each Reporting Person With:	5 Sole Voting Power: 0.00 6 Shared Voting Power: 4,365,747.00 7 Sole Dispositive Power: 0.00 8 Shared Dispositive Power: 4,365,747.00
9	Aggregate Amount Beneficially Owned by Each Reporting Person 4,365,747.00
10	Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) ☐
11	Percent of class represented by amount in row (9) 5.5 %
12	Type of Reporting Person (See Instructions) IN

Comment for Type of Reporting Person: Comprised of shares of Common Stock held by BC Global Opportunities IX LP.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: BridgeBio Oncology Therapeutics, Inc.
(b)	Address of issuer's principal executive offices: 256 E. GRAND AVENUE, SUITE 104, SOUTH SAN FRANCISCO, CALIFORNIA, 94080
Item 2.
(a)	Name of person filing: BC Global Opportunities IX LP, BC General Partner, LP, BC Capital Management Limited, Tan Kuangming
(b)	Address or principal business office or, if none, residence: BC Global Opportunities IX LP, BC General Partner, LP, BC Capital Management Limited, Vistra (BVI) Limited of Vistra Corporate Services Centre, Wickhams Cay Il, Road Town, Tortola, VG1110, British Virgin Islands Tan Kuangming Room 1202-07, 12/F, Nan Fung Tower, No. 88 Connaught Road Central, Central, Hong Kong
(c)	Citizenship: C Global Opportunities IX LP, BC General Partner, LP, BC Capital Management Limited, Citizenship: British Virgin Islands Tan Kuangming, Citizenship: Hong Kong
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 107924102
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	☐ Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	☐ Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	☐ Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	☐ Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	☐ An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	☐ An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	☐ A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	☐ A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	☐ A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	☐ A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	☐ Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

Item 4.	Ownership
(a)	Amount beneficially owned: BC Global Opportunities IX LP - 4,365,747 shares BC General Partner, LP - 4,365,747 shares BC Capital Management Limited - 4,365,747 shares Tan Kuangming - 4,365,747 shares
(b)	Percent of class: BC Global Opportunities IX LP - 5.51% BC General Partner, LP - 5.51% BC Capital Management Limited - 5.51% Tan Kuangming - 5.51% %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: All Reporting Persons - 0
	(ii) Shared power to vote or to direct the vote: BC Global Opportunities IX LP - 4,365,747 BC General Partner, LP - 4,365,747 BC Capital Management Limited - 4,365,747 Tan Kuangming - 4,365,747
	(iii) Sole power to dispose or to direct the disposition of: All Reporting Persons - 0
	(iv) Shared power to dispose or to direct the disposition of: BC Global Opportunities IX LP - 4,365,747 BC General Partner, LP - 4,365,747 BC Capital Management Limited - 4,365,747 Tan Kuangming - 4,365,747
Item 5.	Ownership of 5 Percent or Less of a Class.

Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE
	After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

BC Global Opportunities IX LP

	Signature:	Freeman Szeto
	Name/Title:	Operation Manager
	Date:	09/04/2025

BC General Partner, LP

	Signature:	Freeman Szeto
	Name/Title:	Operation Manager
	Date:	09/04/2025

BC Capital Management Limited

	Signature:	Freeman Szeto
	Name/Title:	Operation Manager
	Date:	09/04/2025

Tan Kuangming

	Signature:	Tan Kuangming
	Name/Title:	Director
	Date:	09/04/2025