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AGEN

Agenus Inc
$3.49 +0.08 (+2.35%) At close · Jul 2
Market Cap
$145.33M
Shares
41,642,431

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 86
Total Value: $27,287,135
Total Shares: 8,169,814

Institutional Ownership Trend

9 quarters

Holder Concentration

Across 86 13F filers · Δ vs Dec 31, 2025
Top Holder
17.6%
Mar 2024 → Mar 2026 · range 17.6% – 37.2%
−9.9 pts
Top 5
50.0%
Mar 2024 → Mar 2026 · range 50.0% – 99.3%
−4.6 pts
Top 10
66.4%
Mar 2024 → Mar 2026 · range 66.4% – 100.0%
−4.7 pts
HHI
719
Mar 2024 → Mar 2026 · range 719 – 3,133
Broadly held−325

Quarterly Activity

vs Dec 31, 2025
New
12
Increased
15
Decreased
32
Sold Out
22
Unchanged
27
Holder count: -10
Institutional value: -15.5%
Shares held: -20.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large MARSHALL WACE, LLP +541,403 688,203
Large Man Group plc +164,776 278,980
Large Connor, Clark & Lunn Investment Management Ltd. +130,543 198,502
Mega UBS Group AG +115,621 234,439
Mega BANK OF AMERICA CORP /DE/ +105,536 118,782

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large ACADIAN ASSET MANAGEMENT LLC −407,437 215,047
Mega CITADEL ADVISORS LLC −392,938 129,504
Large RENAISSANCE TECHNOLOGIES LLC −257,900 285,646
Mega MILLENNIUM MANAGEMENT LLC −181,930 43,409
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −149,215 134,759

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 1,440,232 $4,810,374
Mega VANGUARD FIDUCIARY TRUST CO 200,498 $669,663
Large Hudson Bay Capital Management LP 33,543 $112,033
Small AXQ CAPITAL, LP 29,055 $97,043
Small TWO SIGMA SECURITIES, LLC 17,744 $59,264

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 2,830,736 $8,888,509
Large Point72 Asset Management, L.P. 108,220 $339,810
Mega JANE STREET GROUP, LLC 85,272 $267,753
Mid Susquehanna Portfolio Strategies, LLC 59,413 $186,556
Large ExodusPoint Capital Management, LP 47,461 $149,027
Filter: New 12 Increased 15 Reduced 32 Sold out 22 Unchanged 27
Showing 90 of 90
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega VANGUARD CAPITAL MANAGEMENT LLC $4,810,374 17.63% 1,440,232
Mid Siren, L.L.C. $3,554,595 13.03% 1,064,250
Large MARSHALL WACE, LLP $2,298,597 8.42% 688,203
Mega BlackRock, Inc. $1,822,508 6.68% 545,662
Mega GEODE CAPITAL MANAGEMENT, LLC $1,163,639 4.26% 348,395
Mega MORGAN STANLEY $988,041 3.62% 295,821
Large RENAISSANCE TECHNOLOGIES LLC $954,057 3.50% 285,646
Large Man Group plc $931,793 3.41% 278,980
Mega RAYMOND JAMES FINANCIAL INC $800,110 2.93% 239,554
Mega UBS Group AG $783,026 2.87% 234,439
Large ACADIAN ASSET MANAGEMENT LLC $718,256 2.63% 215,047
Mega VANGUARD FIDUCIARY TRUST CO Bank $669,663 2.45% 200,498
Large Connor, Clark & Lunn Investment Management Ltd. $662,996 2.43% 198,502
Mega TWO SIGMA INVESTMENTS, LP $570,879 2.09% 170,922
Large PANAGORA ASSET MANAGEMENT INC $544,914 2.00% 163,148
Mid Jump Financial, LLC $525,048 1.92% 157,200
Mega STATE STREET CORP $521,651 1.91% 156,183
Large Walleye Capital LLC $402,687 1.48% 120,565
Mega BANK OF AMERICA CORP /DE/ Bank $396,731 1.45% 118,782
Mid 683 Capital Management, LLC $381,882 1.40% 114,336
Mega NORTHERN TRUST CORP Bank $299,664 1.10% 89,720
Mega CITADEL ADVISORS LLC $217,768 0.80% 65,200
Mega BARCLAYS PLC $198,211 0.73% 59,345
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $192,581 0.71% 57,659
Mega CITADEL ADVISORS LLC $173,692 0.64% 52,004
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $173,012 0.63% 51,800
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $146,292 0.54% 43,800
Mega MILLENNIUM MANAGEMENT LLC $144,986 0.53% 43,409
Small Avestar Capital, LLC $136,940 0.50% 41,000
Large OMERS ADMINISTRATION Corp $115,898 0.42% 34,700
Mid Engineers Gate Manager LP $114,461 0.42% 34,270
Large Hudson Bay Capital Management LP $112,033 0.41% 33,543
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $111,222 0.41% 33,300
Mega D. E. Shaw & Co., Inc. $111,118 0.41% 33,269
Mega GOLDMAN SACHS GROUP INC $105,056 0.39% 31,454
Mid Graham Capital Management, L.P. $99,899 0.37% 29,910
Large CAPTRUST FINANCIAL ADVISORS $99,792 0.37% 29,878
Small AXQ CAPITAL, LP $97,043 0.36% 29,055
Small Key Client Fiduciary Advisors, LLC $84,388 0.31% 25,266
Mega PRICE T ROWE ASSOCIATES INC /MD/ $81,830 0.30% 24,500
Mega LPL Financial LLC $79,224 0.29% 23,720
Large OSAIC HOLDINGS, INC. $66,846 0.24% 20,014
Mid Vanguard Personalized Indexing Management, LLC $61,362 0.22% 18,372
Small TWO SIGMA SECURITIES, LLC Broker-Dealer $59,264 0.22% 17,744
Mega Vanguard Global Advisers, LLC $53,126 0.19% 15,906
Mega BANK OF MONTREAL /CAN/ Bank $51,819 0.19% 15,515
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $50,100 0.18% 15,000
Mid PRELUDE CAPITAL MANAGEMENT, LLC $49,766 0.18% 14,900
Mega HSBC HOLDINGS PLC $49,725 0.18% 14,888
Micro Redwood Family Wealth LLC $47,227 0.17% 14,140
Micro Post Resch Tallon Group Inc. $42,585 0.16% 12,750
Large PRUDENTIAL FINANCIAL INC $41,683 0.15% 12,480
Large Squarepoint Ops LLC $41,325 0.15% 12,373
Mega CITADEL ADVISORS LLC $41,082 0.15% 12,300
Small Values First Advisors, Inc. $37,377 0.14% 11,191
Large Qube Research & Technologies Ltd $34,983 0.13% 10,474
Mid EP Wealth Advisors, LLC $33,400 0.12% 10,000
Mega WELLS FARGO & COMPANY/MN $31,272 0.11% 9,363
Mid GROUP ONE TRADING LLC $28,289 0.10% 8,470
Mega FMR LLC $18,052 0.07% 5,405
Small Pinnacle Wealth Planning Services, Inc. $11,265 0.04% 3,373
Small CoreCap Advisors, LLC $6,680 0.02% 2,000
Small Forum Finance Group S.A. $4,342 0.02% 1,300
Mid CHILTON CAPITAL MANAGEMENT LLC $3,533 0.01% 1,058
Small Covestor Ltd $3,056 0.01% 915
Large CWM, LLC $2,738 0.01% 820
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $2,114 0.01% 633
Small Physician Wealth Advisors, Inc. $2,074 0.01% 621
Small Game Plan Financial Advisors, LLC $1,953 0.01% 585
Mega RHUMBLINE ADVISERS $1,796 0.01% 538
Large HUNTINGTON NATIONAL BANK Bank $1,670 0.01% 500
Mid Optiver Holding B.V. $1,596 0.01% 478
Large Russell Investments Group, Ltd. $1,446 0.01% 433
Mega JPMORGAN CHASE & CO $1,275 0.00% 382
Micro Rialto Wealth Management, LLC $1,018 0.00% 305
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $951 0.00% 285
Mid EverSource Wealth Advisors, LLC $915 0.00% 274
Mid Atlantic Union Bankshares Corp $835 0.00% 250
Large NISA INVESTMENT ADVISORS, LLC $824 0.00% 247
Large Federation des caisses Desjardins du Quebec $334 0.00% 100
Mega BNP PARIBAS ARBITRAGE, SA $320 0.00% 96
Mid Allworth Financial LP $193 0.00% 58
Mega ROYAL BANK OF CANADA Bank $163 0.00% 49
Small Root Financial Partners, LLC $83 0.00% 25
Mid SBI Securities Co., Ltd. Broker-Dealer $40 0.00% 12
Mid HARBOUR INVESTMENTS, INC. $30 0.00% 9
Mid Advisory Services Network, LLC $16 0.00% 5
Mid Parallel Advisors, LLC $16 0.00% 5
Mid Arax Advisory Partners $16 0.00% 5
Mega CITIGROUP INC $3 0.00% 1
Key facts CIK 1098972 CUSIP 00847G804 Visit website Investor relations

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