---
title: "MARCHEX INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/973c9723-8aba-5f03-97f1-d3a6bce81fc4
json: https://whiteintel.dev/api/public/dossier/973c9723-8aba-5f03-97f1-d3a6bce81fc4
identifier: sec:0001224133
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# MARCHEX INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001224133`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/973c9723-8aba-5f03-97f1-d3a6bce81fc4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/973c9723-8aba-5f03-97f1-d3a6bce81fc4  

## Ownership & control

### Owners / controllers

- **EDENBROOK LONG ONLY VALUE FUND, LP** (10% owner) — https://whiteintel.dev/entity/8a007dde-f2db-58aa-b62f-240a6edf437f
- **Edenbrook Capital, LLC** (10% owner) — https://whiteintel.dev/entity/5f39cc50-61c1-513b-b88b-84400a877193
- **Brolin Jonathan** (10% owner) — https://whiteintel.dev/entity/6a393007-f612-5ecf-a4a5-d597ca6f34de
- **HOROWITZ RUSSELL C** (tenpercentowner) — https://whiteintel.dev/entity/85376422-183b-5e6a-971c-93d67e05f556
- **Edenbrook Capital, LLC** (tenpercentowner) — https://whiteintel.dev/entity/5f39cc50-61c1-513b-b88b-84400a877193
- **EDENBROOK LONG ONLY VALUE FUND, LP** (tenpercentowner) — https://whiteintel.dev/entity/8a007dde-f2db-58aa-b62f-240a6edf437f
- **Brolin Jonathan** (tenpercentowner) — https://whiteintel.dev/entity/6a393007-f612-5ecf-a4a5-d597ca6f34de
- **HOROWITZ RUSSELL C** (tenpercentownerother) — https://whiteintel.dev/entity/85376422-183b-5e6a-971c-93d67e05f556
- **PRESCOTT GROUP CAPITAL MANAGEMENT LLC** (tenpercentowner) — https://whiteintel.dev/entity/113e8b1e-6921-52ce-b8f4-21b5e2381045
- **FROHLICH PHIL** (tenpercentowner) — https://whiteintel.dev/entity/48dc7a53-e7a9-5871-b527-1d8e63d1fd8d
- **KEISTER JOHN** (tenpercentowner) — https://whiteintel.dev/entity/10cf86b7-d256-50fd-afa2-516bfbb9d582
- **PAR GROUP, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/ed641a52-83c5-5af8-954e-8a258bb8bc37
- **PAR INVESTMENT PARTNERS LP** (tenpercentowner) — https://whiteintel.dev/entity/76fd8986-b84c-5994-b1f3-371ce51053ce
- **PAR CAPITAL MANAGEMENT INC** (tenpercentowner) — https://whiteintel.dev/entity/a2b26127-5f99-5684-bf11-a3e9df3c9cbe

### UBO chain (walk to the ultimate owner)

A **55-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## 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 **MARCHEX INC** — https://whiteintel.dev/entity/973c9723-8aba-5f03-97f1-d3a6bce81fc4 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARCHEX INC**. Human view: https://whiteintel.dev/entity/973c9723-8aba-5f03-97f1-d3a6bce81fc4 · Structured JSON: https://whiteintel.dev/api/public/dossier/973c9723-8aba-5f03-97f1-d3a6bce81fc4._

_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"._