MCHX Marchex, Inc.
Marchex, Inc. (MCHX) Institutional Ownership
What the institutions did with MCHX last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| Edenbrook Capital, LLC | 14.7M | 68.9% |
| RENAISSANCE TECHNOLOGIES LLC | 1.6M | 7.4% |
| Kanen Wealth Management LLC | 1.3M | 6.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | 5.1% |
| BlackRock, Inc. | 656.2K | 3.1% |
| GEODE CAPITAL MANAGEMENT, LLC | 400.6K | 1.9% |
| P.A.W. CAPITAL CORP | 400.0K | 1.9% |
| VANGUARD FIDUCIARY TRUST CO | 203.6K | 1.0% |
| ACADIAN ASSET MANAGEMENT LLC | 185.4K | 0.9% |
| Arax Advisory Partners | 145.9K | 0.7% |
| STATE STREET CORP | 140.7K | 0.7% |
| Acuitas Investments, LLC | 102.7K | 0.5% |
| NORTHERN TRUST CORP | 70.3K | 0.3% |
| DIMENSIONAL FUND ADVISORS LP | 66.2K | 0.3% |
| MARATHON CAPITAL MANAGEMENT | 64.0K | 0.3% |
| GOLDMAN SACHS GROUP INC | 44.6K | 0.2% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 42.3K | 0.2% |
| MORGAN STANLEY | 33.1K | 0.2% |
| LPL Financial LLC | 31.2K | 0.1% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 24.3K | 0.1% |
| CITADEL ADVISORS LLC | 17.4K | 0.1% |
| Vanguard Global Advisers, LLC | 11.2K | 0.1% |
| Independent Advisor Alliance | 10.0K | 0.0% |
| Tower Research Capital LLC (TRC) | 2.9K | 0.0% |
| BARCLAYS PLC | 63 | 0.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Arax Advisory Partners | New | 0 | 145.9K | +145.9K |
| Acuitas Investments, LLC | Reduced | 133.7K | 102.7K | -31.0K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.6M | 1.6M | -29.4K |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 211.6K | 185.4K | -26.2K |
| Black Diamond Financial, LLC | Sold Out | 20.0K | 0 | -20.0K |
| BlackRock, Inc. | Increased | 640.0K | 656.2K | +16.2K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Reduced | 56.8K | 42.3K | -14.5K |
| NORTHERN TRUST CORP | Reduced | 76.0K | 70.3K | -5.7K |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 404.8K | 400.6K | -4.2K |
| GOLDMAN SACHS GROUP INC | Reduced | 47.4K | 44.6K | -2.8K |
| MARATHON CAPITAL MANAGEMENT | Increased | 61.5K | 64.0K | +2.5K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 202.2K | 203.6K | +1.5K |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 1.1M | 1.1M | -1.5K |
| Tower Research Capital LLC (TRC) | Increased | 2.1K | 2.9K | +839 |
| CITADEL ADVISORS LLC | Increased | 16.6K | 17.4K | +731 |
| UBS Group AG | Sold Out | 626 | 0 | -626 |
| BARCLAYS PLC | New | 0 | 63 | +63 |
| Clearstead Advisors, LLC | New | 0 | 50 | +50 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 66.3K | 66.2K | -35 |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.