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Agenus Inc

AGEN
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001098972

No open-market purchases or sales by Agenus Inc insiders were filed in the last 90 days; 103 institutions reported holding it in 13F filings for Q2 2026, worth $43.6M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Agenus Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
88
−6 vs. Q4 2025
Shares held
9.22M
+1.94M (+26.7%) vs. Q4 2025
Total value
$30.8M
+$7.95M (+34.8%) vs. Q4 2025
New holders
14
15 more added
Sold out
20
32 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AGEN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 88 institutions
Q1 2021: 141 institutionsQ2 2021: 145 institutionsQ3 2021: 167 institutionsQ4 2021: 175 institutionsQ1 2022: 172 institutionsQ2 2022: 150 institutionsQ3 2022: 165 institutionsQ4 2022: 160 institutionsQ1 2023: 161 institutionsQ2 2023: 160 institutionsQ3 2023: 164 institutionsQ4 2023: 173 institutionsQ1 2024: 127 institutionsQ2 2024: 89 institutionsQ3 2024: 98 institutionsQ4 2024: 85 institutionsQ1 2025: 88 institutionsQ2 2025: 92 institutionsQ3 2025: 87 institutionsQ4 2025: 96 institutionsQ1 2026: 88 institutionsQ2 2026: 103 institutions
Value heldQ1 2026: $30.8M
Q1 2021: $316.4MQ2 2021: $634.7MQ3 2021: $631.4MQ4 2021: $431.0MQ1 2022: $333.7MQ2 2022: $284.6MQ3 2022: $336.3MQ4 2022: $423.7MQ1 2023: $315.7MQ2 2023: $341.1MQ3 2023: $246.9MQ4 2023: $189.1MQ1 2024: $119.0MQ2 2024: $148.6MQ3 2024: $45.8MQ4 2024: $23.1MQ1 2025: $13.3MQ2 2025: $40.7MQ3 2025: $33.9MQ4 2025: $31.8MQ1 2026: $30.8MQ2 2026: $43.6M
Institutions holding AGEN and their total value by quarter
QuarterHoldersValue
Q2 2026103$43.6M
Q1 202688$30.8M
Q4 202596$31.8M
Q3 202587$33.9M
Q2 202592$40.7M
Q1 202588$13.3M
Q4 202485$23.1M
Q3 202498$45.8M
Q2 202489$148.6M
Q1 2024127$119.0M
Q4 2023173$189.1M
Q3 2023164$246.9M
Q2 2023160$341.1M
Q1 2023161$315.7M
Q4 2022160$423.7M
Q3 2022165$336.3M
Q2 2022150$284.6M
Q1 2022172$333.7M
Q4 2021175$431.0M
Q3 2021167$631.4M
Q2 2021145$634.7M
Q1 2021141$316.4M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Agenus Inc; share changes are against Q4 2025.

Institutions holding AGEN in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Capital Management LLC1,440,232$4.81M0.00%+1,440,232New
Vanguard Portfolio Management LLC1,195,109$3.99M0.00%+1,195,109New
Siren, L.L.C.1,064,250$3.55M0.10%00.0%Unchanged
Marshall Wace, LLP688,203$2.30M0.00%+541,403+368.8%Added
BlackRock, Inc.545,662$1.82M0.00%−12,683−2.3%Reduced
Geode Capital Management, LLC348,395$1.16M0.00%−24,353−6.5%Reduced
Morgan Stanley295,821$988.0K0.00%+10,623+3.7%Added
Renaissance Technologies LLC285,646$954.1K0.00%−257,900−47.4%Reduced
Man Group plc278,980$931.8K0.00%+164,776+144.3%Added
Raymond James Financial Inc239,554$800.1K0.00%+97,901+69.1%Added
UBS Group AG234,439$783.0K0.00%+115,621+97.3%Added
Acadian Asset Management LLC215,047$713.0K0.00%−407,437−65.5%Reduced
Vanguard Fiduciary Trust Co200,498$669.7K0.00%+200,498New
Connor, Clark & Lunn Investment Management Ltd.198,502$663.0K0.00%+130,543+192.1%Added
Two Sigma Investments, LP170,922$570.9K0.00%+53,805+45.9%Added
Panagora Asset Management Inc163,148$544.9K0.00%00.0%Unchanged
Jump Financial, LLC157,200$525.0K0.01%−13,207−7.8%Reduced
State Street Corp156,183$521.7K0.00%+18,800+13.7%Added
Walleye Capital LLC120,565$402.7K0.00%−2,893−2.3%Reduced
Bank of America Corp118,782$396.7K0.00%+105,536+796.7%Added
683 Capital Management, LLC114,336$381.9K0.04%00.0%Unchanged
Northern Trust Corp89,720$299.7K0.00%+134+0.1%Added
Barclays PLC59,345$198.2K0.00%+13,072+28.2%Added
Susquehanna International Group, LLP57,659$192.6K0.00%−176,015−75.3%Reduced
Citadel Advisors LLC52,004$173.7K0.00%−371,238−87.7%Reduced
Canada Pension Plan Investment Board51,800$173.0K0.00%−14,300−21.6%Reduced
Millennium Management LLC43,409$145.0K0.00%−181,930−80.7%Reduced
Avestar Capital, LLC41,000$136.9K0.01%00.0%Unchanged
Omers Administration Corp34,700$115.9K0.00%−65,800−65.5%Reduced
Engineers Gate Manager LP34,270$114.5K0.00%−1,009−2.9%Reduced
Hudson Bay Capital Management LP33,543$112.0K0.00%+33,543New
D. E. Shaw & Co., Inc.33,269$111.1K0.00%−94,369−73.9%Reduced
Goldman Sachs Group Inc31,454$105.1K0.00%−30,295−49.1%Reduced
Graham Capital Management, L.P.29,910$99.9K0.00%−1,796−5.7%Reduced
Captrust Financial Advisors29,878$99.8K0.00%−209−0.7%Reduced
Axq Capital, LP29,055$97.0K0.01%+29,055New
Key Client Fiduciary Advisors, LLC25,266$84.4K0.03%−2,082−7.6%Reduced
Price T Rowe Associates Inc24,500$82.0K0.00%00.0%Unchanged
LPL Financial LLC23,720$79.2K0.00%+394+1.7%Added
Advisor Group Holdings, Inc.20,014$66.8K0.00%−7,125−26.3%Reduced
JustInvest LLC18,372$61.4K0.00%−1,459−7.4%Reduced
Two Sigma Securities, LLC17,744$59.3K0.01%+17,744New
Vanguard Global Advisers, LLC15,906$53.1K0.00%+15,906New
Bank of Montreal15,515$51.8K0.00%−692−4.3%Reduced
HSBC Holdings PLC14,888$50.2K0.00%−2,168−12.7%Reduced
Charles Schwab Investment Management Inc15,000$50.1K0.00%−61−0.4%Reduced
Prelude Capital Management, LLC14,900$49.8K0.00%+400+2.8%Added
Redwood Family Wealth LLC14,140$47.2K0.05%00.0%Unchanged
Post Resch Tallon Group Inc.12,750$43.7K0.04%00.0%Unchanged
Prudential Financial Inc12,480$41.7K0.00%+12,480New
Squarepoint Ops LLC12,373$41.3K0.00%−42,769−77.6%Reduced
Greenwich Wealth Management LLC12,000$40.0K0.00%+12,000New
Values First Advisors, Inc.11,191$37.4K0.02%+126+1.1%Added
Qube Research & Technologies Ltd10,474$35.0K0.00%−29,421−73.7%Reduced
EP Wealth Advisors, LLC10,000$33.4K0.00%00.0%Unchanged
Wells Fargo & Company9,363$31.3K0.00%−821−8.1%Reduced
Group One Trading, L.P.8,470$28.3K0.00%−13,769−61.9%Reduced
FMR LLC5,405$18.1K0.00%−24−0.4%Reduced
Pinnacle Wealth Planning Services, Inc.3,373$11.3K0.00%00.0%Unchanged
CoreCap Advisors, LLC2,000$6.68K0.00%00.0%Unchanged
Forum Finance Group S.A.1,300$4.00K0.00%+1,300New
Chilton Capital Management LLC1,058$3.53K0.00%00.0%Unchanged
Covestor Ltd915$3.00K0.00%−96−9.5%Reduced
CWM, LLC820$2.74K0.00%−1,097−57.2%Reduced
Northwestern Mutual Wealth Management Co633$2.11K0.00%00.0%Unchanged
UMA Financial Services, Inc.621$2.08K0.00%00.0%Unchanged
Game Plan Financial Advisors, LLC585$1.95K0.00%00.0%Unchanged
Rhumbline Advisers538$1.80K0.00%00.0%Unchanged
Huntington National Bank500$1.67K0.00%00.0%Unchanged
Optiver Holding B.V.478$1.60K0.00%−895−65.2%Reduced
Russell Investments Group, Ltd.433$1.45K0.00%00.0%Unchanged
JPMorgan Chase & Co382$1.24K0.00%00.0%Unchanged
Rialto Wealth Management, LLC305$1.02K0.00%00.0%Unchanged
UBS Asset Management Americas Inc285$9520.00%+285New
EverSource Wealth Advisors, LLC274$9150.00%00.0%Unchanged
Atlantic Union Bankshares Corp250$8350.00%00.0%Unchanged
Nisa Investment Advisors, LLC247$8250.00%−163−39.8%Reduced
Federation des caisses Desjardins du Quebec100$3340.00%00.0%Unchanged
BNP Paribas Arbitrage, SA96$3210.00%00.0%Unchanged
Allworth Financial LP58$1940.00%00.0%Unchanged
Root Financial Partners, LLC25$840.00%00.0%Unchanged
SBI Securities Co., Ltd.12$400.00%+7+140.0%Added
Harbour Investments, Inc.9$300.00%+9New
SRS Capital Advisors, Inc.5$170.00%00.0%Unchanged
Parallel Advisors, LLC5$170.00%00.0%Unchanged
Advisory Services Network, LLC5$170.00%+5New
Citigroup Inc1$30.00%+1New
Royal Bank of Canada49$00.00%−2,080−97.7%Reduced
Point72 Asset Management, L.P.0$00.00%−108,220−100.0%Sold out
Jane Street Group, LLC0$00.00%−73,572−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−59,413−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−47,461−100.0%Sold out
Virtu Financial LLC0$00.00%−34,385−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−34,245−100.0%Sold out
Ovata Capital Management Ltd0$00.00%−30,800−100.0%Sold out
HighTower Advisors, LLC0$00.00%−25,142−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−18,720−100.0%Sold out
Quadrature Capital Ltd0$00.00%−17,121−100.0%Sold out
R Squared Ltd0$00.00%−13,129−100.0%Sold out
AQR Capital Management LLC0$00.00%−11,576−100.0%Sold out