Anders Hove group holds 5.3% of Jasper stock

A shareholder group associated with Anders Hove filed an amended Schedule 13G reporting beneficial ownership of 1,486,492 shares of Jasper Therapeutics, Inc. common stock, equal to 5.3% of the class.

Rhea-AI Filing Summary

A shareholder group associated with Anders Hove filed an amended Schedule 13G reporting beneficial ownership of 1,486,492 shares of Jasper Therapeutics, Inc. common stock, equal to 5.3% of the class. This ownership is held through investment entities including Acorn Bioventures, L.P. and Acorn Bioventures 2, L.P., with related general partners Acorn Capital Advisors GP, LLC and Acorn Capital Advisors GP 2, LLC. The percentages are based on 27,984,039 shares of common stock outstanding as of November 6, 2025. The reporting persons certify the shares were not acquired and are not held for the purpose of changing or influencing control of Jasper Therapeutics.

FAQ

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

Who filed the Schedule 13G/A related to Jasper Therapeutics (JSPR)?

The filing was made by Acorn Bioventures, L.P., Acorn Capital Advisors GP, LLC, Acorn Bioventures 2, L.P., Acorn Capital Advisors GP 2, LLC, and Anders Hove, who is the manager of the general partners.

How many Jasper Therapeutics (JSPR) shares does the Anders Hove group beneficially own?

The group associated with Anders Hove beneficially owns 1,486,492 shares of Jasper Therapeutics common stock, held through the Acorn investment entities.

What percentage of Jasper Therapeutics common stock is reported as owned in this filing?

The filing reports beneficial ownership of 5.3% of Jasper Therapeutics common stock for Anders Hove, 2.2% for Acorn Bioventures, L.P., and 3.1% for Acorn Bioventures 2, L.P.

On what share count is the reported Jasper Therapeutics (JSPR) ownership percentage based?

The ownership percentages are calculated using 27,984,039 shares of Jasper Therapeutics common stock outstanding as of November 6, 2025, as reported in the company’s Form 10-Q for the quarter ended September 30, 2025.

Is the Anders Hove and Acorn Bioventures stake in Jasper Therapeutics passive or for control purposes?

The reporting persons certify that the securities were not acquired and are not held for the purpose of changing or influencing control of Jasper Therapeutics and are not held in connection with any transaction having that purpose or effect, other than activities solely in connection with a nomination under Rule 14a-11.

How are voting and dispositive powers over Jasper Therapeutics (JSPR) shares allocated among the Acorn entities?

The filing shows shared voting and dispositive power over 624,326 shares for Acorn Bioventures, L.P. and Acorn Capital Advisors GP, LLC, and 862,166 shares for Acorn Bioventures 2, L.P. and Acorn Capital Advisors GP 2, LLC, with Anders Hove having shared power over a total of 1,486,492 shares.

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Accepted by SEC EDGAR 01/26/2026 - 03:29 PM EST Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Jasper Therapeutics, Inc.

(Name of Issuer)

Common Stock, $0.001 Par Value

(Title of Class of Securities)

471871202

(CUSIP Number)

01/23/2026

(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)

SCHEDULE 13G

CUSIP No. 471871202

1

Names of Reporting Persons

ACORN BIOVENTURES, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 624,326.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 624,326.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

624,326.00

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)

2.2 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. 471871202

1

Names of Reporting Persons

ACORN CAPITAL ADVISORS GP, 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 624,326.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 624,326.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

624,326.00

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)

2.2 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP No. 471871202

1

Names of Reporting Persons

ACORN BIOVENTURES 2, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 862,166.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 862,166.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

862,166.00

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)

3.1 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. 471871202

1

Names of Reporting Persons

Acorn Capital Advisors GP 2, 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 862,166.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 862,166.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

862,166.00

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)

3.1 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP No. 471871202

1

Names of Reporting Persons

Anders Hove

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 1,486,492.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,486,492.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,486,492.00

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)

5.3 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Jasper Therapeutics, Inc.
(b)	Address of issuer's principal executive offices: 2200 BRIDGE PKWY SUITE #102, 2200 BRIDGE PKWY SUITE #102, REDWOOD CITY, CALIFORNIA, 94065.
Item 2.
(a)	Name of person filing: Acorn Bioventures, L.P. Acorn Capital Advisors GP, LLC Acorn Bioventures 2, L.P. Acorn Capital Advisors GP2, LLC Anders Hove
(b)	Address or principal business office or, if none, residence: 420 Lexington Avenue, Suite 2626, New York, New York 10170
(c)	Citizenship: Acorn Bioventures, L.P. and Acorn Bioventures 2 L.P. are both Delaware limited partnerships. Acorn Capital Advisors GP, LLC and Acorn Capital Advisors GP 2, LLC are both Delaware limited liability companies. Anders Hove is a citizen of the United States of America.
(d)	Title of class of securities: Common Stock, $0.001 Par Value
(e)	CUSIP No.: 471871202
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: The information required by Items 4(a) - (c) is set forth in Rows (5) - (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person.
(b)	Percent of class: The percentages set forth herein are calculated based upon 27,984,039 shares of Common Stock outstanding as of November 6, 2025 as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2025 filed with the Securities and Exchange Commission on November 10, 2025.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Acorn Capital Advisors GP, LLC is the General Partner of Acorn Bioventures, L.P. and may be deemed to beneficially own the shares of Common Stock beneficially owned by Acorn Bioventures, L.P. Acorn Capital Advisors GP 2, LLC is the General Partner of Acorn Bioventures 2, L.P. and may be deemed to beneficially own the shares of Common Stock beneficially owned by Acorn Bioventures 2, L.P.
	(ii) Shared power to vote or to direct the vote: Anders Hove, in his capacity as Manager of each of Acorn Capital Advisors GP, LLC and Acorn Capital Advisors GP 2, LLC, may be deemed to beneficially own the shares beneficially owned by each of Acorn Capital Advisors GP, LLC and Acorn Capital Advisors GP 2, LLC.
	(iii) Sole power to dispose or to direct the disposition of: NA
	(iv) Shared power to dispose or to direct the disposition of: NA
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.
	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:

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.

ACORN BIOVENTURES, L.P.

Signature:	Anders Hove
Name/Title:	Manager of General Partner
Date:	01/26/2026

ACORN CAPITAL ADVISORS GP, LLC

Signature:	Anders Hove
Name/Title:	Manager
Date:	01/26/2026

ACORN BIOVENTURES 2, L.P.

Signature:	Anders Hove
Name/Title:	Manager of General Partner
Date:	01/26/2026

Acorn Capital Advisors GP 2, LLC

Signature:	Anders Hove
Name/Title:	Manager
Date:	01/26/2026

Anders Hove

Signature:	Anders Hove
Name/Title:	Individually
Date:	01/26/2026