Agenus Inc
Ownership
Ownership Structure
Who owns Agenus Inc (AGEN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 89.1% of the shares are freely tradable; institutional investors hold 23.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 5.68 | 2,564,884 | +370.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.71 | 1,676,096 | +16.4 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 3.16 | 1,427,587 | +19.5 | 06/30/2026 |
| Siren, L.L.C. | 2.36 | 1,064,250 | +0.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.29 | 1,035,040 | +197.1 | 06/30/2026 |
| Mackenzie Investments | 1.58 | 714,175 | +0.0 | 06/30/2026 |
| The Goldman Sachs Group Inc | 0.99 | 448,383 | +1,325.5 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.78 | 1,257,450 | +7.4 | 09/30/2026 |
| iShares Russell 2000 ETF | 2.14 | 965,435 | -0.4 | 10/29/2026 |
| Vanguard Strategic Equity Inv | 1.13 | 511,809 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Armen Garo H | See Remarks | 371,108 | 2,375,091 $ | Jul 10, 2026 | direct |
| Harrison Thomas L | Director | 51,988 | 332,723 $ | Oct 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | Harrison Thomas L | Director | Other | 4,443 | 6.89 | 30,626 |
| Jul 10, 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: November 5, 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.