AGENUS INC - AGEN
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 4 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | Added to | 2,830,736 | 8,888 | 0.0% | 0.0% | 1 | +261,203 | 10.17% | Q4 2025 | Jan 29, 2026 |
| Siren, L.L.C. | History | No change | 1,064,250 | 3,341 | 0.1% | 0.16% | 2 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 622,484 | 1,948 | 0.0% | 0.0% | 3 | +417,393 | 203.52% | Q4 2025 | Feb 10, 2026 |
| BlackRock, Inc. | History | Added to | 558,345 | 1,753 | 0.0% | 0.0% | 4 | +11,233 | 2.05% | Q4 2025 | Feb 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 543,546 | 1,706 | 0.0% | 0.0% | 5 | +477,346 | 721.07% | Q4 2025 | Feb 12, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 522,442 | 1,640 | 0.0% | 0.0% | 6 | +375,642 | 255.89% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 372,748 | 1,171 | 0.0% | 0.0% | 7 | +25,757 | 7.42% | Q4 2025 | Feb 09, 2026 |
| MORGAN STANLEY | History | Reduced | 285,198 | 895 | 0.0% | 0.0% | 8 | -263,928 | -48.06% | Q4 2025 | Feb 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 283,974 | 891 | 0.0% | 0.0% | 9 | +17,720 | 6.66% | Q4 2025 | Feb 17, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 225,339 | 707 | 0.0% | 0.0% | 10 | -123,415 | -35.39% | Q4 2025 | Feb 17, 2026 |
| Jump Financial, LLC | History | Added to | 170,407 | 535 | 0.01% | 0.01% | 11 | +28,913 | 20.43% | Q4 2025 | Feb 17, 2026 |
| PANAGORA ASSET MANAGEMENT INC | History | Added to | 163,148 | 512 | 0.0% | 0.0% | 12 | +36,964 | 29.29% | Q4 2025 | Feb 13, 2026 |
| MARSHALL WACE, LLP | History | Added to | 146,800 | 460 | 0.0% | 0.0% | 13 | +33,487 | 29.55% | Q4 2025 | Feb 13, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Reduced | 141,653 | 444 | 0.0% | 0.0% | 14 | -4,107 | -2.82% | Q4 2025 | Feb 18, 2026 |
| STATE STREET CORP | History | Reduced | 137,383 | 431 | 0.0% | 0.0% | 15 | -13,200 | -8.77% | Q4 2025 | Feb 13, 2026 |
| D. E. Shaw & Co., Inc. | History | Added to | 127,638 | 400 | 0.0% | 0.0% | 16 | +13,309 | 11.64% | Q4 2025 | Feb 17, 2026 |
| Walleye Capital LLC | History | Reduced | 123,458 | 387 | 0.0% | 0.0% | 17 | -187,330 | -60.28% | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Added to | 118,818 | 373 | 0.0% | 0.0% | 18 | +36,881 | 45.01% | Q4 2025 | Jan 29, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 117,117 | 367 | 0.0% | 0.0% | 19 | +14,764 | 14.42% | Q4 2025 | Feb 17, 2026 |
| 683 Capital Management, LLC | History | New | 114,336 | 359 | 0.02% | — | 20 | +114,336 | New | Q4 2025 | Feb 17, 2026 |
| Man Group plc | History | New | 114,204 | 358 | 0.0% | — | 21 | +114,204 | New | Q4 2025 | Feb 17, 2026 |
| Point72 Asset Management, L.P. | History | New | 108,220 | 339 | 0.0% | — | 22 | +108,220 | New | Q4 2025 | Feb 17, 2026 |
| OMERS ADMINISTRATION Corp | History | New | 100,500 | 315 | 0.0% | — | 23 | +100,500 | New | Q4 2025 | Feb 13, 2026 |
| NORTHERN TRUST CORP | History | Added to | 89,586 | 281 | 0.0% | 0.0% | 24 | +7,888 | 9.66% | Q4 2025 | Feb 17, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 85,272 | 267 | 0.0% | 0.0% | 25 | -29,306 | -25.58% | Q4 2025 | Feb 12, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 75,639 | 237 | 0.0% | 0.0% | 26 | -249,061 | -76.7% | Q4 2025 | Feb 12, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | New | 67,959 | 213 | 0.0% | — | 27 | +67,959 | New | Q4 2025 | Feb 10, 2026 |
| CANADA PENSION PLAN INVESTMENT BOARD | History | New | 66,100 | 207 | 0.0% | — | 28 | +66,100 | New | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 61,749 | 193 | 0.0% | 0.0% | 29 | +16,034 | 35.07% | Q4 2025 | Mar 25, 2026 |
| Susquehanna Portfolio Strategies, LLC | History | Reduced | 59,413 | 186 | 0.0% | 0.01% | 30 | -108,808 | -64.68% | Q4 2025 | Feb 17, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 55,400 | 173 | 0.0% | 0.0% | 31 | -79,075 | -58.8% | Q4 2025 | Feb 11, 2026 |
| Squarepoint Ops LLC | History | Added to | 55,142 | 173 | 0.0% | 0.0% | 32 | +41,179 | 294.92% | Q4 2025 | Feb 13, 2026 |
| ExodusPoint Capital Management, LP | History | New | 47,461 | 149 | 0.0% | — | 33 | +47,461 | New | Q4 2025 | Feb 17, 2026 |
| BARCLAYS PLC | History | Added to | 46,273 | 145 | 0.0% | 0.0% | 34 | +36,053 | 352.77% | Q4 2025 | Feb 13, 2026 |
| Avestar Capital, LLC | History | No change | 41,000 | 128 | 0.01% | 0.01% | 35 | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| Qube Research & Technologies Ltd | History | New | 39,895 | 125 | 0.0% | — | 36 | +39,895 | New | Q4 2025 | Feb 17, 2026 |
| Engineers Gate Manager LP | History | Added to | 35,279 | 110 | 0.0% | 0.0% | 37 | +25 | 0.07% | Q4 2025 | Feb 17, 2026 |
| Virtu Financial LLC | History | New | 34,385 | 108 | 0.0% | — | 38 | +34,385 | New | Q4 2025 | Feb 23, 2026 |
| TWO SIGMA ADVISERS, LP | History | New | 34,245 | 107 | 0.0% | — | 39 | +34,245 | New | Q4 2025 | Feb 17, 2026 |
| Graham Capital Management, L.P. | History | Reduced | 31,706 | 99 | 0.0% | 0.0% | 40 | -23,114 | -42.16% | Q4 2025 | Feb 17, 2026 |
| Ovata Capital Management Ltd | History | New | 30,800 | 96 | 0.01% | — | 41 | +30,800 | New | Q4 2025 | Mar 03, 2026 |
| CAPTRUST FINANCIAL ADVISORS | History | Reduced | 30,087 | 94 | 0.0% | 0.0% | 42 | -597 | -1.95% | Q4 2025 | Feb 17, 2026 |
| Key Client Fiduciary Advisors, LLC | History | Reduced | 27,348 | 85 | 0.03% | 0.05% | 44 | -11,885 | -30.29% | Q4 2025 | Jan 28, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 27,139 | 85 | 0.0% | 0.0% | 43 | -6,826 | -20.1% | Q4 2025 | Feb 17, 2026 |
| HighTower Advisors, LLC | History | Reduced | 25,142 | 78 | 0.0% | 0.0% | 45 | -150 | -0.59% | Q4 2025 | Feb 06, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | New | 24,500 | 77 | 0.0% | — | 46 | +24,500 | New | Q4 2025 | Feb 17, 2026 |
| LPL Financial LLC | History | Added to | 23,326 | 73 | 0.0% | 0.0% | 47 | +3,943 | 20.34% | Q4 2025 | Feb 11, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | Reduced | 19,831 | 62 | 0.0% | 0.0% | 48 | -318 | -1.58% | Q4 2025 | Feb 13, 2026 |
| Lighthouse Investment Partners, LLC | History | New | 18,720 | 58 | 0.0% | — | 49 | +18,720 | New | Q4 2025 | Feb 17, 2026 |
| HSBC HOLDINGS PLC | History | No change | 17,056 | 54 | 0.0% | 0.0% | 50 | 0 | 0.0% | Q4 2025 | Mar 20, 2026 |
| Quadrature Capital Ltd | History | New | 17,121 | 53 | 0.0% | — | 51 | +17,121 | New | Q4 2025 | Feb 17, 2026 |
| BANK OF MONTREAL /CAN/ | History | Added to | 16,207 | 50 | 0.0% | 0.0% | 52 | +2 | 0.01% | Q4 2025 | Feb 12, 2026 |
| SHERBROOKE PARK ADVISERS LLC | History | Reduced | 15,390 | 48 | 0.12% | 0.03% | 53 | -1,167 | -7.05% | Q4 2025 | Feb 17, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 15,061 | 47 | 0.0% | 0.0% | 54 | -5 | -0.03% | Q4 2025 | Feb 13, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | New | 14,500 | 45 | 0.0% | — | 55 | +14,500 | New | Q4 2025 | Feb 17, 2026 |
| Redwood Family Wealth LLC | History | New | 14,140 | 44 | 0.04% | — | 56 | +14,140 | New | Q4 2025 | Mar 06, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 13,246 | 41 | 0.0% | 0.0% | 57 | -356,068 | -96.41% | Q4 2025 | Feb 17, 2026 |
| R Squared Ltd | History | New | 13,129 | 41 | 0.02% | — | 58 | +13,129 | New | Q4 2025 | Jan 30, 2026 |
| Post Resch Tallon Group Inc. | History | Reduced | 12,750 | 40 | 0.03% | 0.07% | 59 | -7,250 | -36.25% | Q4 2025 | Jan 09, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Reduced | 11,576 | 36 | 0.0% | 0.0% | 60 | -15,703 | -57.56% | Q4 2025 | Feb 17, 2026 |
| Values First Advisors, Inc. | History | Reduced | 11,065 | 34 | 0.02% | 0.03% | 61 | -2,270 | -17.02% | Q4 2025 | Jan 30, 2026 |
| NewEdge Advisors, LLC | History | Reduced | 10,596 | 33 | 0.0% | 0.0% | 62 | -33,850 | -76.16% | Q4 2025 | Feb 18, 2026 |
| EP Wealth Advisors, LLC | History | New | 10,000 | 31 | 0.0% | — | 65 | +10,000 | New | Q4 2025 | Feb 18, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 10,184 | 31 | 0.0% | 0.0% | 63 | -3,137 | -23.55% | Q4 2025 | Feb 13, 2026 |
| MSA Advisors, LLC | History | No change | 10,000 | 31 | 0.01% | 0.01% | 64 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 8,402 | 26 | 0.0% | 0.0% | 66 | +2,857 | 51.52% | Q4 2025 | Feb 17, 2026 |
| FMR LLC | History | Reduced | 5,429 | 17 | 0.0% | 0.0% | 67 | -264 | -4.64% | Q4 2025 | Feb 17, 2026 |
| First Command Advisory Services, Inc. | History | No change | 3,530 | 11 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| Pinnacle Wealth Planning Services, Inc. | History | New | 3,373 | 10 | 0.0% | — | 69 | +3,373 | New | Q4 2025 | Feb 13, 2026 |
| ROYAL BANK OF CANADA | History | New | 2,129 | 7 | 0.0% | — | 70 | +2,129 | New | Q4 2025 | Feb 17, 2026 |
| CWM, LLC | History | Reduced | 1,917 | 6 | 0.0% | 0.0% | 71 | -3,044 | -61.36% | Q4 2025 | Jan 26, 2026 |
| CoreCap Advisors, LLC | History | No change | 2,000 | 6 | 0.0% | 0.0% | 72 | 0 | 0.0% | Q4 2025 | Jan 13, 2026 |
| Optiver Holding B.V. | History | Added to | 1,373 | 4 | 0.0% | — | 73 | +1,353 | 6765.0% | Q4 2025 | Feb 17, 2026 |
| CHILTON CAPITAL MANAGEMENT LLC | History | No change | 1,058 | 3 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Covestor Ltd | History | No change | 1,011 | 3 | 0.0% | 0.0% | 75 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 382 | 1 | 0.0% | 0.0% | 76 | -28,698 | -98.69% | Q4 2025 | Feb 11, 2026 |
| Russell Investments Group, Ltd. | History | Reduced | 433 | 1 | 0.0% | 0.0% | 82 | -2,784 | -86.54% | Q4 2025 | Feb 17, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | Reduced | 633 | 1 | 0.0% | 0.0% | 81 | -75 | -10.59% | Q4 2025 | Feb 10, 2026 |
| HUNTINGTON NATIONAL BANK | History | No change | 500 | 1 | 0.0% | 0.0% | 77 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 371 | 1 | 0.0% | 0.0% | 78 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 410 | 1 | 0.0% | 0.0% | 79 | 0 | 0.0% | Q4 2025 | Jan 15, 2026 |
| RHUMBLINE ADVISERS | History | No change | 538 | 1 | 0.0% | 0.0% | 80 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Physician Wealth Advisors, Inc. | History | No change | 621 | 1 | 0.0% | 0.0% | 83 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| Game Plan Financial Advisors, LLC | History | No change | 585 | 1 | 0.0% | 0.0% | 84 | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |
| Torrey Growth & Income Advisors | History | Closed out | 0 | 0 | — | 0.15% | — | -131,677 | -100.0% | Q3 2025 | Nov 13, 2025 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | Closed out | 0 | 0 | — | 0.0% | — | -31,054 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Traynor Capital Management, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -13,000 | -100.0% | Q3 2025 | Nov 03, 2025 |
| COMERICA BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -1,058 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Arax Advisory Partners | History | Reduced | 5 | 0 | — | 0.0% | — | -662 | -99.25% | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -547 | -100.0% | Q3 2025 | Nov 10, 2025 |
| SBI Securities Co., Ltd. | History | Reduced | 5 | 0 | — | 0.0% | — | -301 | -98.37% | Q4 2025 | Feb 03, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Closed out | 0 | 0 | — | — | — | -63 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Allworth Financial LP | History | New | 58 | 0 | — | — | — | +58 | New | Q4 2025 | Feb 05, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 96 | 0 | — | — | — | +19 | 24.68% | Q4 2025 | Feb 10, 2026 |
| Parallel Advisors, LLC | History | Reduced | 5 | 0 | — | — | — | -19 | -79.17% | Q4 2025 | Feb 11, 2026 |
| HORIZON FINANCIAL SERVICES, LLC | History | New | 9 | 0 | — | — | — | +9 | New | Q4 2025 | Jan 12, 2026 |
| Advisory Services Network, LLC | History | Closed out | 0 | 0 | — | — | — | -5 | -100.0% | Q3 2025 | Nov 18, 2025 |
| IFP Advisors, Inc | History | Reduced | 15 | 0 | — | — | — | -1 | -6.25% | Q4 2025 | Feb 06, 2026 |
| Front Row Advisors LLC | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q3 2025 | Nov 17, 2025 |
| Atlantic Union Bankshares Corp | History | No change | 250 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 04, 2026 |
| EverSource Wealth Advisors, LLC | History | No change | 274 | 0 | — | 0.0% | — | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| Fortitude Family Office, LLC | History | No change | 296 | 0 | — | 0.0% | — | 0 | 0.0% | Q4 2025 | Jan 15, 2026 |
| Root Financial Partners, LLC | History | No change | 25 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| Federation des caisses Desjardins du Quebec | History | No change | 100 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Rialto Wealth Management, LLC | History | No change | 305 | 0 | — | 0.0% | — | 0 | 0.0% | Q4 2025 | Jan 12, 2026 |