---
title: "SUMMIT PARTNERS VENTURE CAPITAL FUND III-B, L.P. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/39ba872d-3fac-5b60-b995-07e8e641f802
json: https://whiteintel.dev/api/public/dossier/39ba872d-3fac-5b60-b995-07e8e641f802
identifier: sec:0001514389
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SUMMIT PARTNERS VENTURE CAPITAL FUND III-B, L.P.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001514389`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/39ba872d-3fac-5b60-b995-07e8e641f802  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/39ba872d-3fac-5b60-b995-07e8e641f802  

## Ownership & control

### Holdings / subsidiaries

- **ACACIA COMMUNICATIONS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/b30e6581-94b0-5130-b85c-0b5bdc444369

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SUMMIT PARTNERS VENTURE CAPITAL FUND III-B, L.P.**. Human view: https://whiteintel.dev/entity/39ba872d-3fac-5b60-b995-07e8e641f802 · Structured JSON: https://whiteintel.dev/api/public/dossier/39ba872d-3fac-5b60-b995-07e8e641f802._

_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"._