Agenus is a biotechnology company in the healthcare sector on NASDAQ, led by Garo H. Armen, with a market cap of $126.2M. As of Q3 2025, 28% of shares are held by 86 institutional investors, with VANGUARD GROUP INC as the largest holder at 8.06%.
Overview of institutional ownership in AGEN as of Q3 2025 with a market cap of $122.7M
Based on market cap of $122.7M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Institutions with the largest positions in AGEN as of Q3 2025
| Institution | Position Value |
|---|---|
VANGUARD GROUP INC Institution | $9.9M 0.00% of portfolio |
S Siren, L.L.C. Institution | $4.1M 0.17% of portfolio |
MORGAN STANLEY RIA/Wealth | $2.1M 0.00% of portfolio |
B BlackRock, Inc. Institution | $2.1M 0.00% of portfolio |
BANK OF AMERICA CORP /DE/ Institution | $1.4M 0.00% of portfolio |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $1.3M 0.00% of portfolio |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | $1.3M 0.00% of portfolio |
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $1.2M 0.01% of portfolio |
ACADIAN ASSET MANAGEMENT LLC Long Only Manager | $789.6K 0.00% of portfolio |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $735.2K 0.00% of portfolio |
Institutional buying and selling activity for AGEN in Q3 2025
| Institution | Net Bought |
|---|---|
ACADIAN ASSET MANAGEMENT LLC Long Only Manager | +$789.6K +205.1K shares |
RAYMOND JAMES FINANCIAL INC RIA/Wealth | +$557.8K +144.9K shares |
T Torrey Growth & Income Advisors RIA/Wealth | +$507.0K +131.7K shares |
J Jump Financial, LLC Institution | +$498.1K +129.4K shares |
PANAGORA ASSET MANAGEMENT INC Hedge Fund•Quant | +$485.8K +126.2K shares |
D D. E. Shaw & Co., Inc. Institution | +$440.2K +114.3K shares |
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | +$433.1K +112.5K shares |
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | +$394.1K +102.4K shares |
C Cubist Systematic Strategies, LLC Institution | +$366.0K +95.1K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$254.9K +66.2K shares |
| Institution | Net Sold |
|---|---|
Marshall Wace LLP Institution | −$1.2M −319.2K shares |
MORGAN STANLEY RIA/Wealth | −$881.2K −228.9K shares |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$599.7K −155.8K shares |
GOLDMAN SACHS GROUP INC Institution | −$423.1K −109.9K shares |
X XTX Topco Ltd Institution | −$271.9K −59.5K shares |
IEQ CAPITAL, LLC RIA/Wealth | −$250.8K −54.9K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$238.3K −52.1K shares |
B Brevan Howard Capital Management LP Institution | −$207.1K −45.3K shares |
BANK OF AMERICA CORP /DE/ Institution | −$197.8K −51.4K shares |
JPMORGAN CHASE & CO Institution | −$190.8K −49.6K shares |
Institutions that initiated new positions or completely exited AGEN in Q3 2025
| Institution | Position Value |
|---|---|
T Torrey Growth & Income Advisors RIA/Wealth | $507.0K 131.7K shares |
Post Resch Tallon Group Inc. RIA/Wealth | $77.0K 20.0K shares |
Traynor Capital Management, Inc. RIA/Wealth | $50.1K 13.0K shares |
R Root Financial Partners, LLC RIA/Wealth | $96.0 25.0 shares |
O Optiver Holding B.V. Institution | $77.0 20.0 shares |
| Institution | Previous Position |
|---|---|
X XTX Topco Ltd Institution | $271.9K 59.5K shares |
IEQ CAPITAL, LLC RIA/Wealth | $250.8K 54.9K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $238.3K 52.1K shares |
B Brevan Howard Capital Management LP Institution | $207.1K 45.3K shares |
O Ovata Capital Management Ltd Institution | $146.2K 32.0K shares |
Aster Capital Management Ltd RIA/Wealth | $126.4K 27.7K shares |
Jain Global LLC Hedge Fund•Multi-Strategy | $116.9K 25.6K shares |
$112.9K 18.6K shares | |
G GROUP ONE TRADING, L.P. Institution | $94.3K 20.6K shares |
Savant Capital, LLC RIA/Wealth | $72.5K 15.9K shares |
Institutions with the largest Call and Put options positions in AGEN as of Q3 2025
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $423.5K 1.1K contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $167.1K 434.0 contracts |
J JANE STREET GROUP, LLC Institution | $110.9K 288.0 contracts |
W WOLVERINE TRADING, LLC Institution | $63.3K 159.0 contracts |
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $141.7K 368.0 contracts |
J JANE STREET GROUP, LLC Institution | $127.1K 330.0 contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $122.8K 319.0 contracts |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | - - contracts |
Institutions with AGEN as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
S Siren, L.L.C. Institution | 0.17% $4.1M |
T Torrey Growth & Income Advisors RIA/Wealth | 0.15% $507.0K |
Post Resch Tallon Group Inc. RIA/Wealth | 0.07% $77.0K |
Key Client Fiduciary Advisors, LLC RIA/Wealth | 0.05% $151.0K |
S SHERBROOKE PARK ADVISERS LLC Hedge Fund•Quant | 0.03% $63.7K |
Values First Advisors, Inc. RIA/Wealth | 0.03% $51.3K |
Graham Capital Management, L.P. Hedge Fund•Multi-Strategy | 0.01% $211.1K |
Avestar Capital, LLC RIA/Wealth | 0.01% $157.9K |
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | 0.01% $1.2M |
Susquehanna Portfolio Strategies, LLC Private Equity | 0.01% $647.7K |
Discover hedge funds investing in AGEN

| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $680.4M | 1.10% | |
ETF ETF | $582.6M | 0.94% | |
ETF ETF | $489.6M | 0.79% |
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