Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * AQR Capital Management Holdings, LLC 2. Issuer Name and Ticker or Trading Symbol IB Acquisition Corp. [IBAC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE GREENWICH PLAZA, SUITE 130 3. Date of Earliest Transaction (Month/Day/Year) 09/29/2025 (Street) GREENWICH, CT 06830 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/29/2025 S 50,048 D $10.5 405,650 I AQR Global Alternative Investment Offshore Fund, L.P.(1)(2) Common Stock 09/29/2025 S 20,361 D $10.5 165,031 I AQR Diversified Arbitrage Fund(1) Common Stock 09/29/2025 S 14,558 D $10.5 117,998 I AQR Absolute Return Master Account, L.P.(1)(2) Common Stock 09/29/2025 S 10,839 D $10.5 87,853 I AQR Apex MS Master Account, L.P.(1)(2) Common Stock 09/29/2025 S 9,578 D $10.5 77,627 I AQR TA Global Alpha Fund, L.P.(1)(2) Common Stock 09/29/2025 S 9,098 D $10.5 73,740 I AQR Corporate Arbitrage Master Account, L.P.(1)(2) Common Stock 09/29/2025 S 3,763 D $10.5 30,500 I AQR TA Legacy Fund, LLC(1)(2) Common Stock 09/29/2025 S 2,271 D $10.5 18,406 I AQR UCITS Funds - AQR Apex UCITS Fund(1) Common Stock 09/29/2025 S 820 D $10.5 6,650 I AQR DELTA Master Account, L.P.(1)(2) Common Stock 09/29/2025 S 589 D $10.5 4,769 I AQR UCITS Funds - AQR Corporate Arbitrage UCITS Fund(1) Common Stock 09/29/2025 S 384 D $10.5 3,113 I AQR Arbitrage MA Offshore Fund, L.P.(1)(2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
AQR Capital Management Holdings, LLC ONE GREENWICH PLAZA SUITE 130 GREENWICH, CT 06830		X
AQR CAPITAL MANAGEMENT LLC ONE GREENWICH PLAZA SUITE 130 GREENWICH, CT 06830		X
AQR Arbitrage LLC ONE GREENWICH PLAZA SUITE 130 GREENWICH, CT 06830		X

Signatures

/s/ AQR CAPITAL MANAGEMENT HOLDINGS, LLC, /s/ Henry Parkin, Authorized Signatory		10/01/2025
**Signature of Reporting Person		Date
/s/ AQR CAPITAL MANAGEMENT, LLC, /s/ Henry Parkin, Authorized Signatory		10/01/2025
**Signature of Reporting Person		Date
/s/ AQR ARBITRAGE, LLC, /s/ Henry Parkin, Authorized Signatory		10/01/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	AQR Capital Management, LLC is a wholly owned subsidiary of AQR Capital Management Holdings, LLC. AQR Arbitrage, LLC is deemed to be controlled by AQR Capital Management, LLC. AQR Capital Management, LLC and AQR Arbitrage, LLC act as investment manager to each of AQR Global Alternative Investment Offshore Fund, L.P., AQR Corporate Arbitrage Master Account, L.P., AQR TA Global Alpha Fund, L.P., AQR Absolute Return Master Account, L.P., AQR Apex MS Master Account, L.P., AQR TA Legacy Fund, LLC, AQR DELTA Master Account, L.P., AQR Arbitrage MA Offshore Fund, L.P. AQR Capital Management, LLC serves as the investment manager, and AQR Arbitrage, LLC as sub-advisor, to the AQR Diversified Arbitrage Fund, an open-end registered investment company, to AQR UCITS Funds - AQR Apex UCITS Fund, and to AQR UCITS Funds - AQR Corporate Arbitrage UCITS Fund.
(2)	AQR Capital Management GP Ltd. is the general partner of AQR Global Alternative Investment Offshore Fund, L.P. AQR Corporate Arbitrage GP, LLC is the general partner of AQR Corporate Arbitrage Master Account, L.P. AQR Tax Advantaged GP II, LLC is the general partner of AQR TA Global Alpha Fund, L.P. AQR Principal Global Asset Allocation, LLC is the general partner of AQR Absolute Return Master Account, L.P. AQR Apex MS GP, LLC is the general partner of AQR Apex MS Master Account, L.P. AQR Capital Management II, LLC is the general partner of AQR TA Legacy Fund, LLC. CNH Principal Partners I, LLC is the general partner of AQR Arbitrage MA Offshore Fund, L.P. AQR Capital Management III, LLC is the general partner of AQR DELTA Master Account, L.P.

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