Jane Street discloses 5.1% stake in Focus Universal

FOCUS UNIVERSAL INC.

Rhea-AI Filing Summary

FOCUS UNIVERSAL INC. (FCUV) received a Schedule 13G reporting that Jane Street Group, LLC, together with its subsidiaries Jane Street Capital, LLC and Jane Street Global Trading, LLC, is a passive beneficial owner of common stock. The group reports beneficial ownership of 36,029 shares of FCUV common stock, representing 5.1% of the class.

The filing states that the Jane Street entities have no sole voting or dispositive power, but hold 36,029 shares with shared voting and shared dispositive power. Jane Street Capital, LLC and Jane Street Global Trading, LLC are identified as the relevant subsidiaries through which the position is held.

Key Figures

Shares beneficially owned: 36,029 shares Percent of class: 5.1% Shared voting power: 36,029 shares +3 more

6 metrics

Shares beneficially owned 36,029 shares Common stock of FOCUS UNIVERSAL INC. reported by Jane Street Group, LLC and subsidiaries

Percent of class 5.1% Percentage of FCUV common stock class beneficially owned by the Jane Street group

Shared voting power 36,029 shares Shares of FCUV common stock over which the Jane Street group has shared voting power

Sole voting power 0 shares Shares of FCUV common stock over which the Jane Street group has sole voting power

Jane Street Capital, LLC shared voting power 435 shares FCUV shares with shared voting and dispositive power at the Jane Street Capital, LLC level

Jane Street Global Trading, LLC shared voting power 35,594 shares FCUV shares with shared voting and dispositive power at the Jane Street Global Trading, LLC level

Key Terms

beneficially owned, shared voting power, shared dispositive power, parent holding company

4 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 36,029.00"

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 voting power financial

"6 | Shared Voting Power 36,029.00"

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 power financial

"8 | Shared Dispositive Power 36,029.00"

parent holding company financial

"If a parent holding company has filed this schedule, pursuant to (ii)(G)"

FAQ

What percentage of FOCUS UNIVERSAL INC. (FCUV) does Jane Street report owning in this Schedule 13G?

Jane Street Group, LLC and its subsidiaries report beneficial ownership of 5.1% of FOCUS UNIVERSAL INC. common stock, corresponding to 36,029 shares, with shared voting and shared dispositive power over those shares.

How many FCUV shares does Jane Street beneficially own according to the filing?

The Schedule 13G reports that the Jane Street group beneficially owns 36,029 shares of FOCUS UNIVERSAL INC. common stock, representing 5.1% of the outstanding class, all held with shared voting and shared dispositive power.

Which Jane Street entities are listed as holders of FOCUS UNIVERSAL INC. (FCUV) shares?

The filing lists Jane Street Group, LLC as the reporting person, with Jane Street Capital, LLC and Jane Street Global Trading, LLC identified as subsidiaries through which the FCUV common stock position is held.

Does Jane Street have sole or shared voting power over its FCUV shares?

The Jane Street entities report 0 shares with sole voting power and 36,029 shares with shared voting power. They likewise report 0 shares with sole dispositive power and 36,029 shares with shared dispositive power over FOCUS UNIVERSAL INC. common stock.

Where is FOCUS UNIVERSAL INC. (FCUV) headquartered, as stated in the Schedule 13G?

FOCUS UNIVERSAL INC. is described as having its principal executive offices at 1515 West Cameron Avenue, Suite 210, West Covina, California 91790, in connection with the reported ownership of its common stock on this Schedule 13G.

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Available on EDGAR 09/10/2026 - 04:20 PM Accepted by SEC EDGAR 09/10/2026 - 04:18 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

FOCUS UNIVERSAL INC.

(Name of Issuer)

Common stock, $0.001 par value per share

(Title of Class of Securities)

34417J609

(CUSIP Number)

09/03/2026

(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): 34417J609

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 36,029.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 36,029.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

36,029.00

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 Number(s): 34417J609

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 435.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 435.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

435.00

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)

0.1 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

CUSIP Number(s): 34417J609

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 35,594.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 35,594.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

35,594.00

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)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: FOCUS UNIVERSAL INC.
(b)	Address of issuer's principal executive offices: 1515 WEST CAMERON AVENUE, SUITE 210, WEST COVINA, CALIFORNIA, 91790.
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: Common stock, $0.001 par value per share
(e)	CUSIP Number(s): 34417J609
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: 36,029.00
(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: 36,029.00
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 36,029.00
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:	09/10/2026

Jane Street Capital, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	09/10/2026

Jane Street Global Trading, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	09/10/2026