14 institutions reported holding $490,767 of STRATA CRITICAL MEDICAL INC (BLDEW) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($288,002), GROUP ONE TRADING LLC ($109,934), IMC-Chicago, LLC ($81,092), LMR Partners LLP ($9,406), Virtu Financial LLC ($1,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $288,002 | 68,900 | Added |
| 2 | GROUP ONE TRADING LLC | $109,934 | 26,300 | Trimmed |
| 3 | IMC-Chicago, LLC | $81,092 | 19,400 | New |
| 4 | LMR Partners LLP | $9,406 | 1.9M | Hold |
| 5 | Virtu Financial LLC | $1,000 | 184,292 | Added |
| 6 | WOLVERINE ASSET MANAGEMENT LLC | $731 | 146,268 | Added |
| 7 | MILLENNIUM MANAGEMENT LLC | $417 | 83,333 | Hold |
| 8 | Saba Capital Management, L.P. | $183 | 27,728 | Hold |
| 9 | TORONTO DOMINION BANK | $1 | 175 | New |
| 10 | Clear Street Group Inc. | $1 | 279 | Added |
| 11 | UBS Group AG | $0 | 0 | Exited |
| 12 | HRT FINANCIAL LP | $0 | 14,420 | New |
| 13 | TWO SIGMA SECURITIES, LLC | $0 | 0 | Exited |
| 14 | BlackRock, Inc. | $0 | 50 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31