AQR Reports 5.75% Stake in Oyster Enterprises II (1.495M Units)

AQR Capital entities report beneficial ownership of 1,495,000 units of Oyster Enterprises II Acquisition Corp, equal to 5.75% of the Class A ordinary shares.

Rhea-AI Filing Summary

AQR Capital entities report beneficial ownership of 1,495,000 units of Oyster Enterprises II Acquisition Corp, equal to 5.75% of the Class A ordinary shares. The holdings are reported by AQR Capital Management, LLC; AQR Capital Management Holdings, LLC; and AQR Arbitrage, LLC, with each entity indicating shared voting and shared dispositive power over the 1,495,000 units and no sole voting or dispositive power. The statement affirms the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. The filing also clarifies the parent/subsidiary relationships among the reporting entities.

Positive

• Material institutional disclosure: AQR reports ownership of 1,495,000 units (5.75%) of OYSEU, exceeding the 5% reporting threshold
• Passive/ordinary-course declaration: Filing states the securities are held in the ordinary course of business and not to influence control

Negative

• None.

Insights

Securities Analyst

AQR discloses a passive >5% stake (1,495,000 units, 5.75%) in OYSEU with shared voting and dispositive power.

This Schedule 13G/A confirms a material institutional position above the 5% reporting threshold and characterizes the stake as held in the ordinary course of business without intent to influence control. The filing consolidates three AQR entities as reporting parties and specifies shared voting/dispositive authority for the full position. For investors, this is a notable ownership disclosure but not an activist or control-seeking signal based on the filer’s certification.

Corporate Governance Expert

Disclosure shows a coordinated AQR holding of 1,495,000 units with no sole control and an explicit non-control intent.

The report highlights governance-relevant facts: the position exceeds the 5% threshold, voting and disposition are shared across related AQR entities, and the filer asserts passive intent. That combination means the stake is material from a disclosure perspective but does not, by the filer’s statement, alter control dynamics or trigger immediate governance action by the holder.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake did AQR report in Oyster Enterprises II (OYSEU)?

AQR reports beneficial ownership of 1,495,000 units, representing 5.75% of the Class A ordinary shares.

Which AQR entities filed the Schedule 13G/A for OYSEU?

The filing was made on behalf of AQR Capital Management, LLC, AQR Capital Management Holdings, LLC, and AQR Arbitrage, LLC.

Does AQR claim voting or dispositive control over the reported OYSEU units?

Each reporting entity indicates 0 sole voting and 0 sole dispositive power, with 1,495,000 units held with shared voting and shared dispositive power.

Is AQR seeking to influence control of Oyster Enterprises II?

The filing certifies the securities are held in the ordinary course of business and were not acquired to change or influence control of the issuer.

How are the AQR entities related as disclosed in the filing?

The filing states AQR Capital Management, LLC is a wholly owned subsidiary of AQR Capital Management Holdings, LLC, and AQR Arbitrage, LLC is controlled by AQR Capital Management, LLC.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/14/2025 - 09:08 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Oyster Enterprises II Acquisition Corp

(Name of Issuer)

Class A ordinary shares, par value $0.0001 per share

(Title of Class of Securities)

G6861F104

(CUSIP Number)

06/30/2025

(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. G6861F104

1

Names of Reporting Persons

AQR Capital Management, LLC

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

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,495,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,495,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,495,000.00

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)

5.75 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. G6861F104

1

Names of Reporting Persons

AQR Capital Management Holdings, LLC

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

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,495,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,495,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,495,000.00

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)

5.75 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. G6861F104

1

Names of Reporting Persons

AQR Arbitrage, LLC

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

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,495,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,495,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,495,000.00

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)

5.75 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Oyster Enterprises II Acquisition Corp
(b)	Address of issuer's principal executive offices: 801 BRICKELL AVENUE, FLOOR 8, MIAMI, FLORIDA 33131
Item 2.
(a)	Name of person filing: AQR Capital Management, LLC AQR Capital Management Holdings, LLC AQR Arbitrage, LLC
(b)	Address or principal business office or, if none, residence: ONE GREENWICH PLAZA SUITE 130 Greenwich, Connecticut 06830
(c)	Citizenship: AQR Capital Management, LLC - UNITED STATES AQR Capital Management Holdings, LLC - UNITED STATES AQR Arbitrage, LLC - UNITED STATES
(d)	Title of class of securities: Class A ordinary shares, par value $0.0001 per share
(e)	CUSIP No.: G6861F104
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: 1,495,000* *Units representing 1,495,000 shares of Class A ordinary shares, par value $0.0001 per share
(b)	Percent of class: 5.75 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: AQR Capital Management, LLC - 0 AQR Capital Management Holdings, LLC - 0 AQR Arbitrage, LLC - 0
	(ii) Shared power to vote or to direct the vote: AQR Capital Management, LLC - 1,495,000 AQR Capital Management Holdings, LLC - 1,495,000 AQR Arbitrage, LLC - 1,495,000
	(iii) Sole power to dispose or to direct the disposition of: AQR Capital Management, LLC - 0 AQR Capital Management Holdings, LLC - 0 AQR Arbitrage, LLC - 0
	(iv) Shared power to dispose or to direct the disposition of: AQR Capital Management, LLC - 1,495,000 AQR Capital Management Holdings, LLC - 1,495,000 AQR Arbitrage, LLC - 1,495,000
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.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Item 2(a) above.
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 acquired and are held in the ordinary course of business and 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.

AQR Capital Management, LLC

Signature:	Henry Parkin
Name/Title:	Authorized Signatory
Date:	08/14/2025

AQR Capital Management Holdings, LLC

Signature:	Henry Parkin
Name/Title:	Authorized Signatory
Date:	08/14/2025

AQR Arbitrage, LLC

Signature:	Henry Parkin
Name/Title:	Authorized Signatory
Date:	08/14/2025

Exhibit Information

AQR Capital Management Holdings, LLC, AQR Capital Management, LLC, and AQR Arbitrage, LLC hereby agree that this Schedule 13G is filed on behalf of each of the parties. 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.