3 institutions reported holding $2.5M of ASTRANA HEALTH INC (AMEH) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($1.9M), IMC-Chicago, LLC ($480,592), SIMPLEX TRADING, LLC ($56,396). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $1.9M | 78,500 | Added |
| 2 | IMC-Chicago, LLC | $480,592 | 19,600 | New |
| 3 | SIMPLEX TRADING, LLC | $56,396 | 2,300 | Added |
Source: SEC Form 13F filings · as of 2026-03-31