19 institutions reported holding $179,362 of SURROZEN INC (SRZNW) in SEC 13F filings for 2026-03-31. Largest institutional holders: EcoR1 Capital, LLC ($129,454), BAKER BROS. ADVISORS LP ($13,333), LMR Partners LLP ($10,373), BRIDGER MANAGEMENT, LLC ($7,073), Euclidean Capital LLC ($2,733). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | EcoR1 Capital, LLC | $129,454 | 4,444 | Hold |
| 2 | BAKER BROS. ADVISORS LP | $13,333 | 833,333 | Hold |
| 3 | LMR Partners LLP | $10,373 | 648,285 | Hold |
| 4 | BRIDGER MANAGEMENT, LLC | $7,073 | 442,052 | Hold |
| 5 | Euclidean Capital LLC | $2,733 | 170,833 | Hold |
| 6 | DEERFIELD MANAGEMENT COMPANY, L.P. | $2,667 | 166,666 | Hold |
| 7 | PERCEPTIVE ADVISORS LLC | $2,667 | 166,666 | Hold |
| 8 | SymBiosis Capital Partners, LLC | $2,400 | 150,000 | Hold |
| 9 | ArrowMark Colorado Holdings LLC | $1,733 | 108,333 | Hold |
| 10 | CITIGROUP INC | $1,711 | 106,909 | Hold |
| 11 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | $1,342 | 83,333 | Trimmed |
| 12 | MILLENNIUM MANAGEMENT LLC | $1,182 | 73,900 | Hold |
| 13 | Boxer Capital Management, LLC | $1,067 | 66,666 | Hold |
| 14 | PRICE T ROWE ASSOCIATES INC /MD/ | $1,000 | 41,666 | New |
| 15 | Trustees of Columbia University in the City of New York | $533 | 33,333 | Hold |
| 16 | WOLVERINE ASSET MANAGEMENT LLC | $49 | 3,085 | Added |
| 17 | UBS Group AG | $43 | 2,701 | Added |
| 18 | Clear Street Group Inc. | $2 | 100 | Hold |
| 19 | Virtu Financial LLC | $0 | 11,071 | Added |
Source: SEC Form 13F filings · as of 2026-03-31