---
title: "POLARIS VENTURE MANAGEMENT CO IV LLC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d0e3c7e0-210d-5e70-976d-e4505dc20b17
json: https://whiteintel.dev/api/public/dossier/d0e3c7e0-210d-5e70-976d-e4505dc20b17
identifier: sec:0001295438
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# POLARIS VENTURE MANAGEMENT CO IV LLC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001295438`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d0e3c7e0-210d-5e70-976d-e4505dc20b17  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d0e3c7e0-210d-5e70-976d-e4505dc20b17  

## Ownership & control

### Holdings / subsidiaries

- **Lyra Therapeutics, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/a28ed6ed-b39d-5688-accd-e70e112d882a
- **PULMATRIX, INC.** (tenpercentowner) — https://whiteintel.dev/entity/50136411-1b79-51e5-96e5-fc66e5d6e3f8
- **ACCELERON PHARMA INC** (other) — https://whiteintel.dev/entity/2902d974-49e7-59b3-b374-8b3b3339dcb2
- **ACCELERON PHARMA INC** (tenpercentowner) — https://whiteintel.dev/entity/2902d974-49e7-59b3-b374-8b3b3339dcb2
- **Dare Bioscience, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/86e0dd52-3a8d-567a-919b-09833ec621aa
- **ALIMERA SCIENCES INC** (tenpercentownerother) — https://whiteintel.dev/entity/7d2efdb1-0a0d-5c94-ad59-fe2239278452
- **TECHTARGET HOLDINGS INC.** (tenpercentowner) — https://whiteintel.dev/entity/6d6c7613-728a-530b-a857-6930f551e028
- **LOGMEIN, INC.** (tenpercentowner) — https://whiteintel.dev/entity/e281ce43-bd96-5d0b-93d3-509dfc46366e
- **SIRTRIS PHARMACEUTICALS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/481dd879-c533-54a5-93ae-d5cf80ac8abb

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **POLARIS VENTURE MANAGEMENT CO IV LLC** — https://whiteintel.dev/entity/d0e3c7e0-210d-5e70-976d-e4505dc20b17 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **POLARIS VENTURE MANAGEMENT CO IV LLC**. Human view: https://whiteintel.dev/entity/d0e3c7e0-210d-5e70-976d-e4505dc20b17 · Structured JSON: https://whiteintel.dev/api/public/dossier/d0e3c7e0-210d-5e70-976d-e4505dc20b17._

_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"._