---
title: "MPM SUNSTATES FUND, L.P. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e2a33119-477f-5d1f-ae24-707a2eaada08
json: https://whiteintel.dev/api/public/dossier/e2a33119-477f-5d1f-ae24-707a2eaada08
identifier: sec:0001765022
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MPM SUNSTATES FUND, L.P.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001765022`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e2a33119-477f-5d1f-ae24-707a2eaada08  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e2a33119-477f-5d1f-ae24-707a2eaada08  

## Ownership & control

### Holdings / subsidiaries

- **TCR2 THERAPEUTICS INC.** (tenpercentowner) — https://whiteintel.dev/entity/f5d5d0ad-b59c-58de-9c7e-fc8dbefdcc32
- **ONCORUS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/49a765be-476c-53e1-ab95-f16b61b3af27

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MPM SUNSTATES FUND, L.P.**. Human view: https://whiteintel.dev/entity/e2a33119-477f-5d1f-ae24-707a2eaada08 · Structured JSON: https://whiteintel.dev/api/public/dossier/e2a33119-477f-5d1f-ae24-707a2eaada08._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._