AGEN — AGENUS INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
About AGENUS INC (AGEN)
AGENUS INC (AGEN) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $2M. Across recent filings, tracked investors recorded 4 new positions, 1 increased, 1 reduced, and 0 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in AGEN
How many top investors track AGEN
A small number of top investors own this.
AGEN Ownership Composition
How AGENUS INC is held across tracked investor types, based on reported 13F positions.
- Other63.0%
- Hedge Funds37.0%
Tracked investors reporting AGEN
- Ken GriffinMar 31, 2026Citadel AdvisorsShares129.5KValue$432.5K% Portfolio0.00%
- Izzy EnglanderMar 31, 2026Millennium ManagementShares43.4KValue$145K% Portfolio0.00%
- Steve CohenDec 31, 2025Point72 Asset ManagementShares108.2KValue$339.8K% Portfolio0.00%
Recent activity
- $707.6KFeb 17, 2026
- $145KMay 15, 2026
- New$339.8KFeb 17, 2026
- Reduced$432.5K(-75.21%)May 15, 2026
- Increased$1.6M(255.89%)Feb 17, 2026
- New$565.2KNov 14, 2025
Frequently asked questions
- How many institutional investors hold AGEN?
- 3 tracked institutional investors disclosed a position in AGEN (AGENUS INC) in their most recent 13F filing.
- Who is the largest institutional holder of AGEN?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in AGEN, valued at $2M.
- Did institutional ownership of AGEN increase or decrease?
- Across recent 13F filings, tracked investors recorded 4 new positions, 1 increased, 1 reduced, and 0 fully exited AGEN.
- Where does this AGEN ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.