---
title: "MADRONA VENTURE FUND 1 A L P — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8b84e8e6-eba9-52e1-9f2b-ad0c869aab3f
json: https://whiteintel.dev/api/public/dossier/8b84e8e6-eba9-52e1-9f2b-ad0c869aab3f
identifier: sec:0001103543
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MADRONA VENTURE FUND 1 A L P

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001103543`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8b84e8e6-eba9-52e1-9f2b-ad0c869aab3f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8b84e8e6-eba9-52e1-9f2b-ad0c869aab3f  

## Ownership & control

### Holdings / subsidiaries

- **ISILON SYSTEMS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/6c3888e3-0132-59e3-8f2e-e2fc08add2e7

## 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 **MADRONA VENTURE FUND 1 A L P** — https://whiteintel.dev/entity/8b84e8e6-eba9-52e1-9f2b-ad0c869aab3f · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MADRONA VENTURE FUND 1 A L P**. Human view: https://whiteintel.dev/entity/8b84e8e6-eba9-52e1-9f2b-ad0c869aab3f · Structured JSON: https://whiteintel.dev/api/public/dossier/8b84e8e6-eba9-52e1-9f2b-ad0c869aab3f._

_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"._