As of November 6, 2026, Agenus Inc. is a publicly traded company (Nasdaq: AGEN). The largest holder reporting an active stake on Schedule 13D is Zynext Ventures USA LLC, at 5.9%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Raymond Debbane (9.99%), RA Capital (9.9%), BlackRock (6%) (Schedule 13D, January 23, 2026).
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Is Agenus Inc. a real, registered company?
- Agenus Inc files with the SEC under CIK 1098972 (its SEC filings).
- Its shares are listed under the ticker AGEN on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Lexington, Massachusetts, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under AGENUS INC in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-07-27).
Who are Agenus Inc.'s owners and officers?
Agenus Inc.: incorporated in Delaware; business address in Lexington, Massachusetts; industry Biological Products, (No Diagnostic Substances) (Schedule 13G, 2026-07-27).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-07-27 | Blackrock, Inc. | 6% |
| Schedule 13G, 2026-07-20 | Ra Capital Management, L.P. | 9.9% |
| Schedule 13G, 2026-07-17 | Raymond Debbane | 9.99% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13D, 2026-01-23 | Zynext Ventures USA LLC | 5.9% |
| Schedule 13G/A, 2025-10-30 | The Vanguard Group | 8.06% |
| Schedule 13G/A, 2025-07-29 | The Vanguard Group | 9.23% |
| Schedule 13G/A, 2025-07-16 | Blackrock, Inc. | 1.8% |
Questions about who owns Agenus Inc.
Who owns Agenus Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Agenus Inc.: Raymond Debbane (9.99%, Schedule 13G, filed 2026-07-17), Ra Capital Management, L.P. (9.9%, Schedule 13G, filed 2026-07-20), Blackrock, Inc. (6%, Schedule 13G, filed 2026-07-27) and Zynext Ventures USA LLC (5.9%, Schedule 13D, filed 2026-01-23).
Who are the largest shareholders of Agenus Inc.?
By the share each holder's latest filing reports, the largest holders of Agenus Inc. on this page are Raymond Debbane (9.99%), Ra Capital Management, L.P. (9.9%) and Blackrock, Inc. (6%).
When did Raymond Debbane buy into Agenus Inc.?
The filings give report dates, not purchase dates. The earliest filing from Raymond Debbane on this page is the Schedule 13G, filed 2026-07-17, reporting 9.99%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 8 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
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Which insiders own Agenus Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director: 400,058 shares (0.88% of shares outstanding), 371,108 held directly and 28,950 indirectly (Form 4, 2026-07-14).
- , the chief medical officer: 57,116 shares (0.13% of shares outstanding) (Form 4, 2025-06-30).
- , a director: 51,988 shares (0.11% of shares outstanding) (Form 4, 2026-10-02).
- , the pfo and pao: 23,478 shares (0.05% of shares outstanding) (Form 4, 2025-06-30).
- , a director: 19,738 shares (0.04% of shares outstanding) (Form 4, 2025-05-06).
Shares outstanding: 45,246,510 as of 2026-11-03, from the company's latest SEC cover page.
How much has Agenus Inc. raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-01-16).
Keep reading
More on Agenus Inc. and the records around it.
Agenus Inc. elsewhere on the record
- 5%+ stake filings Jul 2026
Companies that share a holder
- Invus Public Equities, L.P. also filed stake reports on 24 other companies: City Therapeutics, Inc. (Oct 2026), Yarrow Bioscience, Inc. (Sep 2026), Abivax S.A. (Aug 2026)
- RA Capital Management, L.P. also filed stake reports on 100 other companies: Climb Bio, Inc. (Nov 2026), Bambusa Therapeutics, Inc. (Nov 2026), SOLID BIOSCIENCES INC. (Nov 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
Related pages
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https://mentionfox.com/who-owns/agenus