12 institutions reported holding $175,451 of SAB BIOTHERAPEUTICS INC (SABSW) in SEC 13F filings for 2026-06-30. Largest institutional holders: SIMPLEX TRADING, LLC ($85,410), GROUP ONE TRADING LLC ($78,780), LMR Partners LLP ($6,907), MORGAN STANLEY ($1,874), Clear Street Group Inc. ($1,012). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $85,410 | 21,900 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $78,780 | 20,200 | Added |
| 3 | LMR Partners LLP | $6,907 | 539,588 | Hold |
| 4 | MORGAN STANLEY | $1,874 | 146,439 | Hold |
| 5 | Clear Street Group Inc. | $1,012 | 79,033 | Added |
| 6 | MILLENNIUM MANAGEMENT LLC | $800 | 62,500 | Hold |
| 7 | GTS SECURITIES LLC | $537 | 41,301 | Added |
| 8 | UBS Group AG | $85 | 6,567 | Added |
| 9 | WOLVERINE ASSET MANAGEMENT LLC | $42 | 3,289 | Added |
| 10 | TORONTO DOMINION BANK | $4 | 300 | New |
| 11 | Virtu Financial LLC | $0 | 21,223 | New |
| 12 | Seven Fleet Capital Management LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30