AGIO — AGIOS PHARMACEUTICALS 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 AGIOS PHARMACEUTICALS INC (AGIO)
AGIOS PHARMACEUTICALS INC (AGIO) 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 $44M. Across recent filings, tracked investors recorded 5 new positions, 1 increased, 1 reduced, and 0 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in AGIO
How many top investors track AGIO
A small number of top investors own this.
AGIO Ownership Composition
How AGIOS PHARMACEUTICALS INC is held across tracked investor types, based on reported 13F positions.
- Other96.5%
- Hedge Funds3.5%
Tracked investors reporting AGIO
- Ken GriffinMar 31, 2026Citadel AdvisorsShares769.4KValue$26M% Portfolio0.00%
- Izzy EnglanderMar 31, 2026Millennium ManagementShares32.1KValue$1.1M% Portfolio0.00%
- Steve CohenMar 31, 2026Point72 Asset ManagementShares29.4KValue$994.6K% Portfolio0.00%
Recent activity
- $11.4MFeb 17, 2026
- $1.1MMay 15, 2026
- New$5.4MFeb 17, 2026
- Reduced$26M(-52.18%)May 15, 2026
- New$994.6KMay 15, 2026
- Increased$43.8M(165.94%)Feb 17, 2026
- New$24.3MNov 14, 2025
Frequently asked questions
- How many institutional investors hold AGIO?
- 3 tracked institutional investors disclosed a position in AGIO (AGIOS PHARMACEUTICALS INC) in their most recent 13F filing.
- Who is the largest institutional holder of AGIO?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in AGIO, valued at $44M.
- Did institutional ownership of AGIO increase or decrease?
- Across recent 13F filings, tracked investors recorded 5 new positions, 1 increased, 1 reduced, and 0 fully exited AGIO.
- Where does this AGIO 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.