Agenus Inc. (AGEN) Ownership
AGEN ownership summary
as of October 18, 2026- Institutions
- 46.4% of shares outstanding
- Insiders
- 6.27% of shares outstanding
- Shares outstanding
- 45.2M
- Float
- 40.2M shares available to trade
- Short interest
- 15.28% 6.8M shares short
- Days to cover
- 6.51 short interest up 0.2% vs prior month
- Institutions 46.43%
- Insiders 6.27%
- Other investors 47.30%
AGEN top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 5.68% | 2.6M | $15.5M | +2.0M (+370.1%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 3.71% | 1.7M | $10.1M | +235,864 (+16.4%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 3.16% | 1.4M | $8.6M | +232,478 (+19.5%) | June 30, 2026 |
| 4 | Siren, L.L.C. | 2.36% | 1.1M | $6.4M | — | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 2.29% | 1.0M | $6.3M | +686,645 (+197.1%) | June 30, 2026 |
| 6 | Mackenzie Investments | 1.58% | 714K | $4.3M | +714,175 (0.0%) | June 30, 2026 |
| 7 | The Goldman Sachs Group Inc | 0.99% | 448K | $2.7M | +416,929 (+1,325.5%) | June 30, 2026 |
| 8 | Marshall Wace Asset Management Ltd | 0.97% | 440K | $2.7M | −248,582 (−36.1%) | June 30, 2026 |
| 9 | GlobeFlex Capital, L.P. | 0.93% | 419K | $2.5M | +418,581 (0.0%) | June 30, 2026 |
| 10 | State Street Corp | 0.91% | 412K | $2.5M | +256,200 (+164.0%) | June 30, 2026 |
| 11 | Man Group PLC | 0.75% | 340K | $2.1M | +61,445 (+22.0%) | June 30, 2026 |
| 12 | Northern Trust Corp | 0.70% | 314K | $1.9M | +224,332 (+250.0%) | June 30, 2026 |
| 13 | Connor Clark & Lunn Inv Mgmt Ltd | 0.69% | 310K | $1.9M | +111,533 (+56.2%) | June 30, 2026 |
| 14 | Vanguard Fiduciary Trust Co | 0.60% | 272K | $1.6M | +71,116 (+35.5%) | June 30, 2026 |
| 15 | Morgan Stanley - Brokerage Accounts | 0.58% | 262K | $1.6M | −33,753 (−11.4%) | June 30, 2026 |
| 16 | Renaissance Technologies Corp | 0.51% | 228K | $1.4M | −57,300 (−20.1%) | June 30, 2026 |
| 17 | Panagora Asset Management Inc | 0.40% | 180K | $1.1M | +16,441 (+10.1%) | June 30, 2026 |
| 18 | Susquehanna Portfolio Strategies LLC | 0.35% | 159K | $958,771 | +158,737 (0.0%) | June 30, 2026 |
| 19 | 683 Capital Management LLC | 0.25% | 114K | $690,589 | — | March 31, 2026 |
| 20 | Jump Financial LLC | 0.23% | 104K | $628,045 | −53,219 (−33.9%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 5.6M shares and 4 cut 393K.
AGEN top mutual fund and ETF holders
19 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.59% | 1.2M | $7.1M | — | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 2.20% | 992K | $6.0M | −11,456 (−1.1%) | September 30, 2026 |
| 3 | Vanguard Strategic Equity Inv | 1.13% | 512K | $3.1M | — | June 30, 2026 |
| 4 | Fidelity Small Cap Index | 0.97% | 436K | $2.6M | −537 (−0.1%) | July 31, 2026 |
| 5 | iShares Russell 2000 Value ETF | 0.65% | 294K | $1.8M | +446 (+0.2%) | September 30, 2026 |
| 6 | Vanguard Explorer Inv | 0.64% | 291K | $1.8M | — | June 30, 2026 |
| 7 | Vanguard Russell 2000 ETF | 0.51% | 229K | $1.4M | +4,560 (+2.0%) | August 31, 2026 |
| 8 | Vanguard Strategic Small-Cap Equity Inv | 0.45% | 205K | $1.2M | — | June 30, 2026 |
| 9 | Fidelity Extended Market Index | 0.45% | 201K | $1.2M | −1,081 (−0.5%) | August 31, 2026 |
| 10 | First Trust Dow Jones Sel MicroCap ETF | 0.34% | 152K | $920,381 | — | September 30, 2026 |
| 11 | iShares Micro-Cap ETF | 0.27% | 121K | $730,496 | −834 (−0.7%) | September 30, 2026 |
| 12 | Vanguard VIF Small Co Gr | 0.25% | 115K | $693,072 | −38,988 (−25.4%) | June 30, 2026 |
| 13 | Schwab Small Cap Index | 0.21% | 96K | $581,712 | — | August 31, 2026 |
| 14 | Fidelity Total Market Index | 0.18% | 81K | $490,937 | — | August 31, 2026 |
| 15 | Fidelity Nasdaq Composite Index | 0.17% | 77K | $464,675 | +55,094 (+252.3%) | August 31, 2026 |
| 16 | iShares Russell 2000 Small-Cap Idx Instl | 0.16% | 74K | $449,859 | — | August 31, 2026 |
| 17 | Fidelity Series Total Market Index | 0.14% | 64K | $388,861 | — | August 31, 2026 |
| 18 | Fidelity Small Cap Value Index | 0.11% | 49K | $294,716 | +1,188 (+2.5%) | July 31, 2026 |
| 19 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.11% | 48K | $292,203 | +2,304 (+5.0%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AGEN insider transactions
latest 9| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-02-15 | Garo H Armen | Buy | $13.00 | 25,000 | $325,000 |
| 2023-10-16 | Agenus Inc | Buy | $22.00 | 21 | $462 |
| 2023-10-12 | Agenus Inc | Buy | $22.00 | 158 | $3,476 |
| 2023-10-04 | Agenus Inc | Buy | $21.80 | 750 | $16,350 |
| 2023-08-28 | Agenus Inc | Buy | $29.00 | 640 | $18,560 |
| 2023-08-24 | Agenus Inc | Buy | $30.80 | 8,512 | $262,170 |
| 2023-05-10 | Agenus Inc | Buy | $30.20 | 1,103 | $33,311 |
| 2023-05-05 | Agenus Inc | Buy | $19.00 | 5,010 | $95,190 |
| 2023-05-03 | Agenus Inc | Buy | $21.60 | 6,434 | $138,974 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
AGEN shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns AGEN
Institutional investors own 46.4% of Agenus's shares and insiders 6.27%. The largest holder is BlackRock Inc with 5.68% of the shares (2.6M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 4 reduced their stake in the latest filings. Short interest is 15.28% of the float, or 6.51 days of average trading volume. The share count rose 846.2% since 2014.
Related: AGEN analyst forecast, AGEN key metrics. See the AGEN stock overview for the latest quote and news.
AGEN ownership FAQ
Who owns the most Agenus stock?
The largest shareholders of Agenus are BlackRock Inc (5.68%), Vanguard Capital Management, LLC (3.71%), Vanguard Portfolio Management, LLC (3.16%), Siren, L.L.C. (2.36%), Geode Capital Management, LLC (2.29%).
What percentage of Agenus is owned by institutions?
Institutions hold 46.4% of Agenus's shares outstanding; insiders hold 6.27%.
Which funds own Agenus?
The largest fund holders of Agenus are Vanguard MStar Total Stk Mkt Idx Invest (2.59%), iShares Russell 2000 ETF (2.20%), Vanguard Strategic Equity Inv (1.13%), Fidelity Small Cap Index (0.97%), iShares Russell 2000 Value ETF (0.65%).
What is Agenus's short interest?
6.8M shares of Agenus were sold short, 15.28% of the float; at the average daily volume it would take 6.51 days to cover.
Are insiders buying or selling Agenus?
Of the latest 9 reported insider transactions in Agenus (since May 3, 2023), 9 were purchases and 0 were sales.
How many shares of Agenus are outstanding?
Agenus has 45.2M shares outstanding, of which 40.2M are in the public float.