2 institutions reported holding $1.1M of XOMA ROYALTY CORPORATION (XOMAP) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($1.0M), GROUP ONE TRADING LLC ($125,480). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $1.0M | 32,100 | Added |
| 2 | GROUP ONE TRADING LLC | $125,480 | 4,000 | Added |
Source: SEC Form 13F filings · as of 2026-03-31