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Equibles

AGEN

Agenus Inc

Company with tickers: AGEN

CIK
1098972
CUSIP
00847G804
Shares Outstanding
41,642,431
13F Activity (30d)
71 filings 68 filers

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: 87
Total Value: $31,278,799
Total Shares: 9,364,923

Institutional Ownership Trend

9 quarters

Holder Concentration

Across 87 13F filers · Δ vs Dec 31, 2025
Top Holder
15.4%
Mar 2024 → Mar 2026 · range 15.4% – 37.2%
−12.1 pts
Top 5
52.7%
Mar 2024 → Mar 2026 · range 52.7% – 99.3%
−2.0 pts
Top 10
68.1%
Mar 2024 → Mar 2026 · range 68.1% – 100.0%
−2.9 pts
HHI
710
Mar 2024 → Mar 2026 · range 710 – 3,133
Broadly held −334

Quarterly Activity

vs Dec 31, 2025
New
13
Increased
15
Decreased
32
Sold Out
22
Unchanged
27
Holder count: -9
Institutional value: -3.2%
Shares held: -9.0%

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 PORTFOLIO MANAGEMENT LLC 1,195,109 $3,991,664
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

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 13 Increased 15 Reduced 32 Sold out 22 Unchanged 27
Showing 91 of 91
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega VANGUARD CAPITAL MANAGEMENT LLC $4,810,374 15.38% 1,440,232
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $3,991,664 12.76% 1,195,109
Mid Siren, L.L.C. $3,554,595 11.36% 1,064,250
Large MARSHALL WACE, LLP $2,298,597 7.35% 688,203
Mega BlackRock, Inc. $1,822,508 5.83% 545,662
Mega GEODE CAPITAL MANAGEMENT, LLC $1,163,639 3.72% 348,395
Mega MORGAN STANLEY $988,041 3.16% 295,821
Large RENAISSANCE TECHNOLOGIES LLC $954,057 3.05% 285,646
Large Man Group plc $931,793 2.98% 278,980
Mega RAYMOND JAMES FINANCIAL INC $800,110 2.56% 239,554
Mega UBS Group AG $783,026 2.50% 234,439
Large ACADIAN ASSET MANAGEMENT LLC $718,256 2.30% 215,047
Mega VANGUARD FIDUCIARY TRUST CO Bank $669,663 2.14% 200,498
Large Connor, Clark & Lunn Investment Management Ltd. $662,996 2.12% 198,502
Mega TWO SIGMA INVESTMENTS, LP $570,879 1.83% 170,922
Large PANAGORA ASSET MANAGEMENT INC $544,914 1.74% 163,148
Mid Jump Financial, LLC $525,048 1.68% 157,200
Mega STATE STREET CORP $521,651 1.67% 156,183
Large Walleye Capital LLC $402,687 1.29% 120,565
Mega BANK OF AMERICA CORP /DE/ Bank $396,731 1.27% 118,782
Mid 683 Capital Management, LLC $381,882 1.22% 114,336
Mega NORTHERN TRUST CORP Bank $299,664 0.96% 89,720
Mega CITADEL ADVISORS LLC $217,768 0.70% 65,200
Mega BARCLAYS PLC $198,211 0.63% 59,345
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $192,581 0.62% 57,659
Mega CITADEL ADVISORS LLC $173,692 0.56% 52,004
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $173,012 0.55% 51,800
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $146,292 0.47% 43,800
Mega MILLENNIUM MANAGEMENT LLC $144,986 0.46% 43,409
Small Avestar Capital, LLC $136,940 0.44% 41,000
Large OMERS ADMINISTRATION Corp $115,898 0.37% 34,700
Mid Engineers Gate Manager LP $114,461 0.37% 34,270
Large Hudson Bay Capital Management LP $112,033 0.36% 33,543
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $111,222 0.36% 33,300
Mega D. E. Shaw & Co., Inc. $111,118 0.36% 33,269
Mega GOLDMAN SACHS GROUP INC $105,056 0.34% 31,454
Mid Graham Capital Management, L.P. $99,899 0.32% 29,910
Large CAPTRUST FINANCIAL ADVISORS $99,792 0.32% 29,878
Small AXQ CAPITAL, LP $97,043 0.31% 29,055
Small Key Client Fiduciary Advisors, LLC $84,388 0.27% 25,266
Mega PRICE T ROWE ASSOCIATES INC /MD/ $81,830 0.26% 24,500
Mega LPL Financial LLC $79,224 0.25% 23,720
Large OSAIC HOLDINGS, INC. $66,846 0.21% 20,014
Mid Vanguard Personalized Indexing Management, LLC $61,362 0.20% 18,372
Small TWO SIGMA SECURITIES, LLC Broker-Dealer $59,264 0.19% 17,744
Mega Vanguard Global Advisers, LLC $53,126 0.17% 15,906
Mega BANK OF MONTREAL /CAN/ Bank $51,819 0.17% 15,515
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $50,100 0.16% 15,000
Mid PRELUDE CAPITAL MANAGEMENT, LLC $49,766 0.16% 14,900
Mega HSBC HOLDINGS PLC $49,725 0.16% 14,888
Micro Redwood Family Wealth LLC $47,227 0.15% 14,140
Micro Post Resch Tallon Group Inc. $42,585 0.14% 12,750
Large PRUDENTIAL FINANCIAL INC $41,683 0.13% 12,480
Large Squarepoint Ops LLC $41,325 0.13% 12,373
Mega CITADEL ADVISORS LLC $41,082 0.13% 12,300
Small Values First Advisors, Inc. $37,377 0.12% 11,191
Large Qube Research & Technologies Ltd $34,983 0.11% 10,474
Mid EP Wealth Advisors, LLC $33,400 0.11% 10,000
Mega WELLS FARGO & COMPANY/MN $31,272 0.10% 9,363
Mid GROUP ONE TRADING LLC $28,289 0.09% 8,470
Mega FMR LLC $18,052 0.06% 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 0.01% 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
Micro 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 0.00% 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

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