3 institutions reported holding $1.6M of GALECTIN THERAPEU 26 WTS (GALTW) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($1.4M), SIMPLEX TRADING, LLC ($193,905), Kohmann Bosshard Financial Services, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $1.4M | 496,600 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $193,905 | 69,500 | Trimmed |
| 3 | Kohmann Bosshard Financial Services, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31