Marchex, Inc. (MCHX) ownership: Top institutional holder: Edenbrook Capital, LLC ($22.73M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Edenbrook Capital, LLC | 14664380.00 | $22.73M | 2026-03-31 |
| BlackRock Fund Advisors | 1092048.00 | $2.89M | 2016-12-31 |
| RENAISSANCE TECHNOLOGIES LLC | 1605904.00 | $2.49M | 2026-03-31 |
| VANGUARD GROUP INC | 1294755.00 | $2.15M | 2025-12-31 |
| Kanen Wealth Management LLC | 1300388.00 | $2.02M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1081336.00 | $1.68M | 2026-03-31 |
| BlackRock, Inc. | 639995.00 | $991992.00 | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 404806.00 | $627600.00 | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-03-20 | |
| Sell | null | 2026-03-20 | |
| Sell | null | 2026-03-20 | |
| Sell | null | 2026-03-20 | |
| Sell | null | 2026-03-20 | |
| Sell | null | 2026-03-20 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.