Oculis: Beyeotech Holds 2.44M Shares (4.14%)

Rhea-AI Filing Summary

Oculis Holding AG reporting persons filed an amended Schedule 13G/A stating that Beyeotech directly holds 2,436,902 Ordinary Shares, representing 4.14% of the outstanding ordinary shares based on February 13, 2026 and a reported share count of 58,932,987 Ordinary Shares.

The statement names the related filers—BVCF IV, L.P., Beyeotech, BVCF IV GP, Ltd. and Zhi Yang—and explains their ownership and control relationships, including that GP is the general partner of the Fund and Mr. Zhi Yang is sole shareholder/director of GP.

Insights

Governance Specialist

Filing clarifies ownership and control links among related entities.

The filing documents that Beyeotech directly holds 2,436,902 shares (~4.14%) of the company's ordinary shares as of February 13, 2026. It notes the chain of control: GP is general partner of the Fund and Mr. Zhi Yang is sole shareholder and director of GP.

This structure explains why multiple affiliated entities file jointly under Rule 13d-1(k)(1). Subsequent disclosures would show any material changes in percent ownership or voting power.

Equity Capital Markets Analyst

Disclosure signals an under-5% institutional stake without immediate dilution impact.

The reported position of 2,436,902 shares equals 4.14% of 58,932,987 issued and outstanding shares (as of February 13, 2026), placing the holder below the 5% ownership threshold noted in Item 5.

Because the stake is below 5%, the filing is routine; any future material purchases or sales would be reported in amendments or Forms 4/13D as required.

FAQ

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

What stake does Beyeotech hold in Oculis Holding (OCS)?

Beyeotech directly holds 2,436,902 Ordinary Shares, equal to 4.14% of the company's shares based on February 13, 2026 and a stated total of 58,932,987 outstanding ordinary shares.

Who are the reporting persons on the Schedule 13G/A for OCS?

The filing is by BVCF IV, L.P., Beyeotech, BVCF IV GP, Ltd. and Zhi Yang, who executed a joint filing agreement dated April 28, 2023 and describe their control relationships in Item 2(a).

Does the filing say who has voting or dispositive power?

The cover rows show 0 sole voting/dispositive power and 2,436,902 shared voting and dispositive power for the reporting group, with explanatory notes referenced in the Item 2(a) ownership description.

Is the reported position over the 5% disclosure threshold?

No. The reported position is 4.14% of outstanding shares as of February 13, 2026, which the filing classifies under Item 5 as ownership of 5 percent or less of a class.

Where can I find the joint filing agreement referenced in the Schedule 13G/A?

The filing cites a Joint Filing Agreement dated April 28, 2023 and provides an exhibit link to the SEC archive where that agreement is posted as part of the exhibits to the filing.

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

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Accepted by SEC EDGAR 03/27/2026 - 06:30 AM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

Oculis Holding AG

(Name of Issuer)

Ordinary Shares, CHF 0.01 par value per share

(Title of Class of Securities)

(CUSIP Number)

02/13/2026

(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 No.

1

Names of Reporting Persons

BVCF IV, L.P.

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

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,436,902.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,436,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,436,902.00

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)

4.14 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: Notes to Rows 6, 8 and 9: See Item 2(a) below. Notes to Row 11: Based on 58,932,987 Ordinary Shares issued and outstanding of the Issuer as of February 13, 2026.

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

BEYEOTECH

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

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,436,902.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,436,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,436,902.00

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)

4.14 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: Notes to Rows 6, 8 and 9: See Item 2(a) below. Notes to Row 11: Based on 58,932,987 Ordinary Shares issued and outstanding of the Issuer as of February 13, 2026.

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

BVCF IV GP, Ltd.

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

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,436,902.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,436,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,436,902.00

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)

4.14 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: Notes to Rows 6, 8 and 9: See Item 2(a) below. Notes to Row 11: Based on 58,932,987 Ordinary Shares issued and outstanding of the Issuer as of February 13, 2026.

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

Zhi Yang

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

CHINA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,436,902.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,436,902.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,436,902.00

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)

4.14 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Notes to Rows 6, 8 and 9: See Item 2(a) below. Notes to Row 11: Based on 58,932,987 Ordinary Shares issued and outstanding of the Issuer as of February 13, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Oculis Holding AG
(b)	Address of issuer's principal executive offices: Bahnhofstrasse 20 Zug, V8, CH-6300
Item 2.
(a)	Name of person filing: This statement is filed by (i) BVCF IV, L.P. ("Fund"), a limited partnership incorporated under the laws of the Cayman Islands, (ii) BEYEOTECH ("Beyeotech"), a company organized and existing under the laws of the Cayman Islands, (iii) BVCF IV GP, Ltd. ("GP"), a limited company incorporated under the laws of the Cayman Islands, and (iv) Mr. Zhi Yang, a director and sole shareholder of GP (Fund, Beyeotech, GP and Mr. Zhi Yang are collectively referred to as the "Reporting Persons"). Beyeotech directly holds the 2,436,902 Ordinary Shares being reported in this statement. Beyeotech is a wholly-owned subsidiary of Fund, GP is the general partner of Fund and Mr. Zhi Yang is the sole shareholder and director of GP. GP, by virtue of it being the general partner of Fund, may be deemed to have voting control and investment discretion over the securities held by Beyeotech. Mr. Zhi Yang, by virtue of being the director and sole shareholder of GP, may be deemed to have voting control and investment discretion over the securities held by Beyeotech. Each of the Reporting Persons has entered into a Joint Filing Agreement, dated April 28, 2023, pursuant to which such Reporting Persons have agreed to file this statement jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended.
(b)	Address or principal business office or, if none, residence: The address of the principal business office of Beyeotech is 190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands. The address of the principal business office of each of Fund, GP and Mr. Zhi Yang is 763 Mengzi Road, Suite 2604, Shanghai, China 200023.
(c)	Citizenship: See Row 4 of each cover page.
(d)	Title of class of securities: Ordinary Shares, CHF 0.01 par value per share
(e)	CUSIP No.:
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: See Row 9 of each cover page.
(b)	Percent of class: See Row 11 of each cover page.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See Row 5 of each cover page.
	(ii) Shared power to vote or to direct the vote: See Row 6 of each cover page.
	(iii) Sole power to dispose or to direct the disposition of: See Row 7 of each cover page.
	(iv) Shared power to dispose or to direct the disposition of: See Row 8 of each cover page.
Item 5.	Ownership of 5 Percent or Less of a Class.
	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.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.	Certifications:
	Not Applicable

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.

BVCF IV, L.P.

Signature:	By: BVCF IV GP, Ltd., its general partner /s/ Zhi Yang
Name/Title:	Zhi Yang/Director
Date:	03/27/2026

BEYEOTECH

Signature:	/s/ Bernard Yang Feng
Name/Title:	Bernard Yang Feng/Director
Date:	03/27/2026

BVCF IV GP, Ltd.

Signature:	/s/ Zhi Yang
Name/Title:	Zhi Yang/Director
Date:	03/27/2026

Zhi Yang

Signature:	/s/ Zhi Yang
Name/Title:	Zhi Yang
Date:	03/27/2026

Exhibit Information

Joint Filing Agreement dated April 28, 2023 https://www.sec.gov/Archives/edgar/data/1761158/000119312523131200/d499516dex991.htm