Agenus Inc (AGEN)
Who owns Agenus Inc (AGEN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 93.3% of the shares are freely tradable; institutional investors hold 23.5%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 6.80 | 2,830,736 | +10.2 | 12/31/2025 |
| Vanguard Capital Management, LLC | 3.46 | 1,440,232 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 2.87 | 1,195,109 | +0.0 | 03/31/2026 |
| Siren, L.L.C. | 2.56 | 1,064,250 | +0.0 | 03/31/2026 |
| Marshall Wace Asset Management Ltd | 1.65 | 688,203 | +368.8 | 03/31/2026 |
| BlackRock Inc | 1.31 | 545,662 | -2.3 | 03/31/2026 |
| Geode Capital Management, LLC | 0.84 | 348,395 | -6.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.45 | 1,022,172 | +0.0 | 04/30/2026 |
| Vanguard Strategic Equity Inv | 1.23 | 511,809 | +0.0 | 03/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.93 | 386,794 | +0.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 10. Jul 2026 | Armen Garo H | See Remarks | Other | 4,852 | 3.35 | 16,254 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.