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AQR Capital Management, LLC and its affiliates report a significant ownership position in GigCapital9 Corp. The group, consisting of AQR Capital Management, LLC, AQR Capital Management Holdings, LLC, and AQR Arbitrage, LLC, reports beneficial ownership of 1,473,524 Class A ordinary shares of GigCapital9 Corp.
This holding represents 5.74% of the outstanding Class A ordinary shares. The AQR entities report no sole voting or dispositive power over these shares, but shared voting and shared dispositive power over all 1,473,524 shares. AQR Capital Management, LLC is a wholly owned subsidiary of AQR Capital Management Holdings, LLC, and AQR Arbitrage, LLC is deemed to be controlled by AQR Capital Management, LLC.
Key Figures
Beneficially owned shares:1,473,524 sharesPercent of class:5.74%Shared voting power:1,473,524 shares+3 more
6 metrics
Beneficially owned shares1,473,524 sharesClass A ordinary shares of GigCapital9 Corp. reported by AQR entities
Percent of class5.74%Portion of GigCapital9 Corp. Class A ordinary shares beneficially owned
Shared voting power1,473,524 sharesShares over which AQR entities report shared power to vote
Shared dispositive power1,473,524 sharesShares over which AQR entities report shared power to dispose
Sole voting power0 sharesShares over which AQR entities report sole power to vote
Sole dispositive power0 sharesShares over which AQR entities report sole power to dispose
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
shared voting powerfinancial
"6 | Shared Voting Power 1,473,524.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerfinancial
"8 | Shared Dispositive Power 1,473,524.00"
parent holding companyfinancial
"If a parent holding company has filed this schedule, pursuant to (ii)(G)"
Schedule 13Gregulatory
"hereby agree that this is filed on behalf of each of the parties."
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What percentage of GigCapital9 Corp. (GIX) shares does AQR report owning?
AQR and its related entities report beneficial ownership of 5.74% of GigCapital9 Corp.’s Class A ordinary shares, representing 1,473,524 shares with shared voting and shared dispositive power over the entire position.
How many GigCapital9 Corp. (GIX) shares are beneficially owned by AQR?
AQR and its affiliates report beneficial ownership of 1,473,524 Class A ordinary shares of GigCapital9 Corp., with shared voting power and shared dispositive power over all of these shares and no sole authority reported.
Which AQR entities are included in the GigCapital9 Corp. (GIX) Schedule 13G/A filing?
The filing lists AQR Capital Management, LLC, AQR Capital Management Holdings, LLC, and AQR Arbitrage, LLC. AQR Capital Management, LLC is wholly owned by AQR Capital Management Holdings, LLC, and AQR Arbitrage, LLC is deemed controlled by AQR Capital Management, LLC.
What voting power does AQR report over its GigCapital9 Corp. (GIX) shares?
The AQR entities report 0 shares with sole voting power and 1,473,524 shares with shared voting power in GigCapital9 Corp., indicating that voting authority over the position is held on a shared rather than individual basis.
What dispositive power does AQR have over its GigCapital9 Corp. (GIX) holdings?
AQR reports no sole dispositive power but shared dispositive power over 1,473,524 shares of GigCapital9 Corp. This means decisions to dispose of these shares are made on a shared basis among the reporting entities.
Where are the AQR entities in the GigCapital9 Corp. (GIX) filing headquartered?
The principal business office for the AQR reporting entities is listed as One Greenwich Plaza, Suite 130, Greenwich, Connecticut 06830, while GigCapital9 Corp.’s principal executive offices are in Palo Alto, California.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
GigCapital9 Corp.
(Name of Issuer)
Class A ordinary shares, par value $0.0001 per share
(Title of Class of Securities)
G3865B114
(CUSIP Number)
06/30/2026
(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)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
G3865B114
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
1,473,524.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,473,524.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,473,524.00
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)
5.74 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
CUSIP Number(s):
G3865B114
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
1,473,524.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,473,524.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,473,524.00
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)
5.74 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
G3865B114
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
1,473,524.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,473,524.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,473,524.00
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)
5.74 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
GigCapital9 Corp.
(b)
Address of issuer's principal executive offices:
1731 EMBARCADERO RD., SUITE 200, PALO ALTO, CALIFORNIA
94303
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.:
G3865B114
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:
1,473,524
(b)
Percent of class:
5.74 %
(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 - 1,473,524
AQR Capital Management Holdings, LLC - 1,473,524
AQR Arbitrage, LLC - 1,473,524
(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 - 1,473,524
AQR Capital Management Holdings, LLC - 1,473,524
AQR Arbitrage, LLC - 1,473,524
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
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:
08/13/2026
AQR Capital Management Holdings, LLC
Signature:
Henry Parkin
Name/Title:
Authorized Signatory
Date:
08/13/2026
AQR Arbitrage, LLC
Signature:
Henry Parkin
Name/Title:
Authorized Signatory
Date:
08/13/2026
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.
