Jane Street reports 5.1% stake in CoreWeave (CRWV) shares

Rhea-AI Filing Summary

Jane Street Group, LLC and its affiliates reported a passive ownership stake in CoreWeave, Inc. Class A common stock. They beneficially own 19,738,788 shares, representing 5.1% of the outstanding Class A shares, with no sole voting or dispositive power.

All 19,738,788 shares are subject to shared voting and shared dispositive power. The position is held through subsidiaries Jane Street Options, LLC, Jane Street Global Trading, LLC, and Jane Street Capital, LLC. The filers certify the holdings are not for the purpose of changing or influencing control of CoreWeave.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

CoreWeave, Inc.

(Name of Issuer)

Class A common stock, $0.000005 par value per share

(Title of Class of Securities)

21873S108

(CUSIP Number)

12/31/2025

(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. 21873S108

1

Names of Reporting Persons

JANE STREET GROUP, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 19,738,788.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 19,738,788.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

19,738,788.00

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)

5.1 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. 21873S108

1

Names of Reporting Persons

Jane Street Capital, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,939.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,939.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,939.00

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)

0.0 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

CUSIP No. 21873S108

1

Names of Reporting Persons

Jane Street Options, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 14,054,813.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 14,054,813.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

14,054,813.00

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)

3.6 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

CUSIP No. 21873S108

1

Names of Reporting Persons

Jane Street Global Trading, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 5,682,036.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 5,682,036.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,682,036.00

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)

1.5 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: CoreWeave, Inc.
(b)	Address of issuer's principal executive offices: 290 W. MT. PLEASANT AVENUE, SUITE 4100, 290 W. MT. PLEASANT AVENUE, SUITE 4100, LIVINGSTON, NEW JERSEY, 07039.
Item 2.
(a)	Name of person filing: Jane Street Group, LLC; Jane Street Capital, LLC; Jane Street Options, LLC; Jane Street Global Trading, LLC
(b)	Address or principal business office or, if none, residence: Jane Street Group, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Capital, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Options, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Global Trading, LLC 250 Vesey Street 6th Floor New York, NY 10281
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Class A common stock, $0.000005 par value per share
(e)	CUSIP No.: 21873S108
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: 19,738,788.00
(b)	Percent of class: 5.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 19,738,788.00
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 19,738,788.00
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. Subsidiary Jane Street Capital, LLC Jane Street Global Trading, LLC Jane Street Options, LLC
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.

JANE STREET GROUP, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	02/12/2026

Jane Street Capital, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	02/12/2026

Jane Street Options, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	02/12/2026

Jane Street Global Trading, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	02/12/2026

FAQ

What stake in CoreWeave (CRWV) does Jane Street report on this Schedule 13G/A?

Jane Street Group, LLC and its affiliates report beneficial ownership of 19,738,788 CoreWeave Class A shares, representing 5.1% of that share class. This crosses the 5% disclosure threshold, requiring a Schedule 13G/A filing as of the stated event date.

Which Jane Street entities are listed as reporting persons for CoreWeave (CRWV)?

The filing lists Jane Street Group, LLC, Jane Street Capital, LLC, Jane Street Options, LLC, and Jane Street Global Trading, LLC as reporting persons. Jane Street Group is the parent, and the three subsidiaries hold the CoreWeave Class A common stock with shared voting and dispositive power.

How is voting and dispositive power over CoreWeave (CRWV) shares structured in this filing?

The reporting persons have zero sole voting and dispositive power and shared voting and dispositive power over 19,738,788 CoreWeave Class A shares. This means decisions to vote or dispose of these shares are made jointly under shared authority rather than by any single reporting entity alone.

Does Jane Street indicate an activist intent regarding CoreWeave (CRWV) in this Schedule 13G/A?

The certification states the securities were not acquired and are not held to change or influence control of CoreWeave. The holdings are described as passive, and the filers also indicate they are not participating in any transaction with that control-related purpose or effect.

How are CoreWeave (CRWV) shares allocated among Jane Street subsidiaries?

Jane Street Options, LLC reports beneficial ownership of 14,054,813 shares (3.6% of the class). Jane Street Global Trading, LLC reports 5,682,036 shares (1.5%), and Jane Street Capital, LLC reports 1,939 shares (0.0%). Together, these positions comprise the 19,738,788 shares reported by Jane Street Group, LLC.

What is the event date for Jane Street’s CoreWeave (CRWV) Schedule 13G/A Amendment No. 2?

The event date that triggered this Schedule 13G/A Amendment No. 2 is listed as December 31, 2025. That date reflects when the reported ownership level and related information became subject to reporting obligations under the beneficial ownership disclosure rules.