---
title: "POLARIS PARTNERS IX, L.P. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ad115688-db98-5367-a607-3619979d65fa
json: https://whiteintel.dev/api/public/dossier/ad115688-db98-5367-a607-3619979d65fa
identifier: sec:0001779755
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# POLARIS PARTNERS IX, L.P.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001779755`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ad115688-db98-5367-a607-3619979d65fa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ad115688-db98-5367-a607-3619979d65fa  

## Ownership & control

### Holdings / subsidiaries

- **Invivyd, Inc.** (other) — https://whiteintel.dev/entity/737557a9-64ec-5f42-9453-a9df6d7788e6

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **POLARIS PARTNERS IX, L.P.**. Human view: https://whiteintel.dev/entity/ad115688-db98-5367-a607-3619979d65fa · Structured JSON: https://whiteintel.dev/api/public/dossier/ad115688-db98-5367-a607-3619979d65fa._

_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"._