AgenusAGEN
13F holders, Q1 2026 (March 31)87holders −9
8new positions
19sold out
4famous investors
$3.34avg. 13F price*
At the end of Q1 2026, 87 institutions reported holding Agenus Inc. (AGEN) in their 13F filings, down 9 from Q4 2025. 8 opened new positions and 19 sold out. The largest holders were Vanguard Capital Management LLC ($4.8M), Vanguard Portfolio Management LLC ($4.0M) and Siren, L.L.C. ($3.6M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Agenus Inc.
- CUSIP
- 00847G804
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $311K |
| Exits | 19 | $1.5M |
All 13F filers, Q4 2025 → Q1 2026: 1,346,263 shares bought and 2,232,914 shares sold, net −886,651 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 87 holders
| Vanguard Capital Management LLC | 0.00% | — | 1,440,232 | $4.8M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,195,109 | $4.0M |
| Siren, L.L.C. | 0.10% | No change | 1,064,250 | $3.6M |
| Marshall Wace, LLP | 0.00% | Add +368.8% | 688,203 | $2.3M |
| BlackRock, Inc. | 0.00% | Reduce -2.3% | 545,662 | $1.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -6.5% | 348,395 | $1.2M |
| Morgan Stanley | 0.00% | Add +3.7% | 295,821 | $988K |
| Renaissance Technologies | 0.00% | Reduce -47.5% | 285,646 | $954K |
| Man Group plc | 0.00% | Add +144.3% | 278,980 | $932K |
| Raymond James Financial Inc. | 0.00% | Add +69.1% | 239,554 | $800K |
| UBS Group AG | 0.00% | Add +97.3% | 234,439 | $783K |
| Acadian Asset Management LLC | 0.00% | Reduce -65.5% | 215,047 | $713K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 200,498 | $670K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +192.1% | 198,502 | $663K |
| Two Sigma Investments, LP | 0.00% | Add +45.9% | 170,922 | $571K |
| Panagora Asset Management Inc. | 0.00% | No change | 163,148 | $545K |
| Jump Financial, LLC | 0.01% | Reduce -7.8% | 157,200 | $525K |
| State Street Corp. | 0.00% | Add +13.7% | 156,183 | $522K |
| Walleye Capital LLC | 0.00% | Reduce -2.3% | 120,565 | $403K |
| Bank of America Corp. | 0.00% | Add +796.7% | 118,782 | $397K |
| 683 Capital Management, LLC | 0.04% | No change | 114,336 | $382K |
| Northern Trust Corp. | 0.00% | Add +0.1% | 89,720 | $300K |
| Barclays PLC | 0.00% | Add +28.3% | 59,345 | $198K |
| Susquehanna International Group, LLP | 0.00% | Reduce -75.3% | 57,659 | $193K |
| Citadel Advisors | 0.00% | Reduce -87.7% | 52,004 | $174K |
| Canada Pension Plan Investment Board | 0.00% | Reduce -21.6% | 51,800 | $173K |
| Millennium Management | 0.00% | Reduce -80.7% | 43,409 | $145K |
| Avestar Capital, LLC | 0.01% | No change | 41,000 | $137K |
| OMERS ADMINISTRATION Corp | 0.00% | Reduce -65.5% | 34,700 | $116K |
| Engineers Gate Manager LP | 0.00% | Reduce -2.9% | 34,270 | $114K |
| Hudson Bay Capital Management LP | 0.00% | New | 33,543 | $112K |
| D. E. Shaw & Co. | 0.00% | Reduce -73.9% | 33,269 | $111K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -49.1% | 31,454 | $105K |
| Graham Capital Management, L.P. | 0.00% | Reduce -5.7% | 29,910 | $100K |
| Captrust Financial Advisors | 0.00% | Reduce -0.7% | 29,878 | $100K |
| Axq Capital, LP | 0.01% | New | 29,055 | $97K |
| Key Client Fiduciary Advisors, LLC | 0.03% | Reduce -7.6% | 25,266 | $84K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 24,500 | $82K |
| LPL Financial LLC | 0.00% | Add +1.7% | 23,720 | $79K |
| Osaic Holdings, Inc. | 0.00% | Reduce -26.3% | 20,014 | $67K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -7.4% | 18,372 | $61K |
| Two Sigma Securities, LLC | 0.01% | New | 17,744 | $59K |
| Vanguard Global Advisers, LLC | 0.00% | — | 15,906 | $53K |
| Bank of Montreal | 0.00% | Reduce -4.3% | 15,515 | $52K |
| HSBC Holdings PLC | 0.00% | Reduce -12.7% | 14,888 | $50K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.4% | 15,000 | $50K |
| Prelude Capital Management, LLC | 0.00% | Add +2.8% | 14,900 | $50K |
| Redwood Family Wealth LLC | 0.05% | No change | 14,140 | $47K |
| Post Resch Tallon Group Inc. | 0.04% | No change | 12,750 | $44K |
| Prudential Financial Inc. | 0.00% | New | 12,480 | $42K |
| Squarepoint Ops LLC | 0.00% | Reduce -77.6% | 12,373 | $41K |
| Values First Advisors, Inc. | 0.02% | Add +1.1% | 11,191 | $37K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -73.8% | 10,474 | $35K |
| EP Wealth Advisors, LLC | 0.00% | No change | 10,000 | $33K |
| Wells Fargo & Company | 0.00% | Reduce -8.1% | 9,363 | $31K |
| Group One Trading LLC | 0.00% | Reduce -61.9% | 8,470 | $28K |
| FMR LLC | 0.00% | Reduce -0.4% | 5,405 | $18K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | No change | 3,373 | $11K |
| CoreCap Advisors, LLC | 0.00% | No change | 2,000 | $7K |
| Forum Finance Group S.A. | 0.00% | — | 1,300 | $4K |
| Chilton Capital Management LLC | 0.00% | No change | 1,058 | $4K |
| Covestor Ltd | 0.00% | Reduce -9.5% | 915 | $3K |
| Cwm, LLC | 0.00% | Reduce -57.2% | 820 | $3K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 633 | $2K |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 621 | $2K |
| Game Plan Financial Advisors, LLC | 0.00% | No change | 585 | $2K |
| Rhumbline Advisers | 0.00% | No change | 538 | $2K |
| Huntington National Bank | 0.00% | No change | 500 | $2K |
| Optiver Holding B.V. | 0.00% | Reduce -65.2% | 478 | $2K |
| Russell Investments Group, Ltd. | 0.00% | No change | 433 | $1K |
| JPMorgan Chase & Co. | 0.00% | No change | 382 | $1K |
| Rialto Wealth Management, LLC | 0.00% | No change | 305 | $1K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 285 | $952 |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 274 | $915 |
| Atlantic Union Bankshares Corp | 0.00% | No change | 250 | $835 |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -39.8% | 247 | $825 |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 100 | $334 |
| BNP Paribas Financial Markets | 0.00% | No change | 96 | $321 |
| Allworth Financial LP | 0.00% | No change | 58 | $194 |
| Root Financial Partners, LLC | 0.00% | No change | 25 | $84 |
| SBI Securities Co., Ltd. | 0.00% | Add +140.0% | 12 | $40 |
| Harbour Investments, Inc. | 0.00% | New | 9 | $30 |
| Advisory Services Network, LLC | 0.00% | New | 5 | $17 |
| Arax Advisory Partners | 0.00% | No change | 5 | $17 |
| Parallel Advisors, LLC | 0.00% | No change | 5 | $17 |
| Citigroup Inc. | 0.00% | New | 1 | $3 |
| Royal Bank of Canada | 0.00% | Reduce -97.7% | 49 | $0 |
"% of holder's portfolio" is AGEN's weight in each manager's 13F, not the share of Agenus Inc. the manager owns.