---
title: "MAYFIELD X MANAGEMENT LLC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/16a48c09-e46a-5d91-898d-a7fb54e825e2
json: https://whiteintel.dev/api/public/dossier/16a48c09-e46a-5d91-898d-a7fb54e825e2
identifier: sec:0001361873
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MAYFIELD X MANAGEMENT LLC

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001361873`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/16a48c09-e46a-5d91-898d-a7fb54e825e2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/16a48c09-e46a-5d91-898d-a7fb54e825e2  

## Ownership & control

### Holdings / subsidiaries

- **NORTHSTAR NEUROSCIENCE, INC.** (other) — https://whiteintel.dev/entity/7d032c2c-6f53-5fcc-8188-e45c7539a8c5

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MAYFIELD X MANAGEMENT LLC**. Human view: https://whiteintel.dev/entity/16a48c09-e46a-5d91-898d-a7fb54e825e2 · Structured JSON: https://whiteintel.dev/api/public/dossier/16a48c09-e46a-5d91-898d-a7fb54e825e2._

_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"._