# SURROZEN INC COMM

SURROZEN INC COMM is a security (CUSIP 86889P208) tracked across SEC portfolio filings. 68 institutional managers reported $256.7M on Form 13F as of 2026-06-30; 4 registered fund positions totaling $2.2M via N-PORT as of 2026-03-31.

## Summary

- Issuer: SURROZEN INC
- Class: COMM
- CUSIP: 86889P208
- Asset category: EC
- 13F holders: 68
- 13F value: $256.7M
- 13F period: 2026-06-30
- N-PORT fund positions: 4
- N-PORT value: $2.2M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 68 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| TCG Crossover Management, LLC | PALO ALTO, CA | $42.9M | 1,473,101 |
| [Boxer Capital Management, LLC](https://search.stillhousedata.com/firm/330106) | San Diego, CA | $22.3M | 766,318 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $21.3M | 731,138 |
| [VR Adviser, LLC](https://search.stillhousedata.com/firm/169288) | NEW YORK, NY | $18.4M | 632,931 |
| [STEMPOINT CAPITAL LP](https://search.stillhousedata.com/firm/324248) | NEW YORK, NY | $13.5M | 525,639 |
| [Spruce Street Capital LP](https://search.stillhousedata.com/firm/333213) | NEW YORK, NY | $12.6M | 432,040 |
| [BRAIDWELL LP](https://search.stillhousedata.com/firm/316988) | STAMFORD, CT | $11.5M | 396,100 |
| [5AM Venture Management, LLC](https://search.stillhousedata.com/firm/160395) | San Francisco, CA | $11.3M | 387,500 |
| [Kalehua Capital Management LLC](https://search.stillhousedata.com/firm/325290) | DALLAS, TX | $11.2M | 385,178 |
| Vestal Point Capital, LP | NEW YORK, NY | $9.9M | 338,611 |
| [Vivo Capital, LLC](https://search.stillhousedata.com/firm/159868) | Palo Alto, CA | $7.6M | 260,000 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $7.2M | 319,236 |
| [PERCEPTIVE ADVISORS LLC](https://search.stillhousedata.com/firm/154703) | NEW YORK, NY | $6.7M | 229,393 |
| [Woodline Partners LP](https://search.stillhousedata.com/firm/301480) | San Francisco, CA | $6.6M | 227,848 |
| [Balyasny Asset Management L.P.](https://search.stillhousedata.com/firm/138111) | Chicago, IL | $5.9M | 203,888 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $1.9M | 0.23% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $109K | 0.04% |
| [TIFF MULTI-ASSET FUND](https://search.stillhousedata.com/fund/S000006387) | TIFF Investment Program | $108K | 0.77% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $102K | 0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/86889P208.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.