Jane Street affiliates hold 5.6% of Alpha Compute (ALP) after filing

Rhea-AI Filing Summary

Jane Street Group, LLC and two affiliated entities report beneficial ownership of ordinary shares of Alpha Compute Corp. The filing states a combined holding of 1,350,921 shares (5.6%) held with shared voting and dispositive power. The cover identifies Jane Street Capital, LLC and Jane Street Global Trading, LLC as related subsidiaries. The filing lists the issuer address and CUSIP VGG7185A1369 and is signed by an authorized representative on 06/16/2026.

Insights

Governance Analyst

Jane Street reports a passive equity stake with shared control signatures.

The filing lists 1,350,921 shares (5.6%) beneficially owned with shared voting and dispositive power attributed across Jane Street entities. The statement follows the Schedule 13G format, which typically indicates passive investment intent rather than active campaigning.

Watch subsequent filings for any change to a Schedule 13D or amendments that would indicate an active campaign; timing and further disclosures are not stated in the excerpt.

Equity Structure Analyst

Ownership is concentrated among three related Delaware entities at the same address.

The filing names Jane Street Group, Jane Street Capital, and Jane Street Global Trading at 250 Vesey Street, reporting shared voting/dispositive power for the listed share counts. The subsidiary relationships are identified under Item 7.

Because the percent of class is provided as 5.6%, compare this to other public disclosures when available to assess potential overhang or governance influence.

Key Figures

Beneficial ownership: 1,350,921 shares Percent of class: 5.6% Subsidiary split example: 510,555; 840,366 shares

3 metrics

Beneficial ownership 1,350,921 shares Amount beneficially owned by Jane Street Group entities

Percent of class 5.6% Percent of ordinary shares represented by 1,350,921 shares

Subsidiary split example 510,555; 840,366 shares Jane Street Capital, LLC reported 510,555; Jane Street Global Trading, LLC reported 840,366

Key Terms

Schedule 13G, Beneficially owned, Shared dispositive power

3 terms

Schedule 13G regulatory

"Item 2 lists the persons filing and the form type"

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.

Beneficially owned financial

"Item 4(a) states Amount beneficially owned: 1,350,921.00"

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 dispositive power regulatory

"Item 4(iv) shows Shared power to dispose: 1,350,921.00"

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Alpha Compute Corp

(Name of Issuer)

Ordinary Shares

(Title of Class of Securities)

VGG7185A1369

(CUSIP Number)

06/11/2026

(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): VGG7185A1369

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 1,350,921.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,350,921.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,350,921.00

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)

5.6 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): VGG7185A1369

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 510,555.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 510,555.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

510,555.00

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)

2.1 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

CUSIP Number(s): VGG7185A1369

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 840,366.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 840,366.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

840,366.00

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)

3.5 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Alpha Compute Corp
(b)	Address of issuer's principal executive offices: CLARENCE THOMAS BUILDING, P.O. BOX 4649, ROAD TOWN, TORTOLA, VIRGIN ISLANDS, BRITISH, VG1110.
Item 2.
(a)	Name of person filing: Jane Street Group, LLC; Jane Street Capital, LLC; Jane Street Global Trading, LLC
(b)	Address or principal business office or, if none, residence: Jane Street Group, LLC 250 Vesey Street 3rd Floor New York, NY 10281 Jane Street Capital, LLC 250 Vesey Street 3rd Floor New York, NY 10281 Jane Street Global Trading, LLC 250 Vesey Street 3rd Floor New York, NY 10281
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Ordinary Shares
(e)	CUSIP Number(s): VGG7185A1369
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: 1,350,921.00
(b)	Percent of class: 5.6%
(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: 1,350,921.00
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,350,921.00
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
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:	06/16/2026

Jane Street Capital, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	06/16/2026

Jane Street Global Trading, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	06/16/2026

FAQ

What stake does Jane Street report in Alpha Compute Corp (ALP)?

Jane Street reports beneficial ownership of 1,350,921 ordinary shares (5.6%). The filing attributes shared voting and dispositive power to Jane Street entities and lists related subsidiaries in Item 7.

Which Jane Street entities are named in the Schedule 13G filing?

Jane Street Group, LLC, Jane Street Capital, LLC, and Jane Street Global Trading, LLC are named. All three share the same New York address and are identified as related subsidiaries in the filing.

Does the Schedule 13G indicate active control or passive investment?

The filing uses Schedule 13G format, which typically reflects a passive investment intent rather than an active acquisition or control attempt. The document shows shared voting/dispositive power, not sole control.

What identifying details are provided for Alpha Compute in the filing?

The filing lists Alpha Compute Corp's issuer address in Tortola and the CUSIP VGG7185A1369. The Schedule 13G cover and Item 1 provide the issuer name and principal executive office location.

When was the Schedule 13G signed and by whom?

The excerpt shows the filing was signed by Jeremy Kahn (Authorized Signatory) on 06/16/2026. Multiple signature blocks indicate authorization for each listed Jane Street entity.