Marchex Inc. Class BMCHX
13F holders, Q4 2025 (December 31)26holders −5
1new positions
5sold out
1famous investor
$1.66avg. 13F price*
At the end of Q4 2025, 26 institutions reported holding Marchex Inc. Class B (MCHX) in their 13F filings, down 5 from Q3 2025. 1 opened new positions and 5 sold out. The largest holders were Edenbrook Capital, LLC ($24.3M), Renaissance Technologies ($2.8M) and Vanguard Group Inc. ($2.1M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Marchex Inc. Class B
- CUSIP
- 56624R108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $26K |
| Exits | 5 | $131K |
All 13F filers, Q3 2025 → Q4 2025: 142,187 shares bought and 155,224 shares sold, net −13,037 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 26 holders
| Edenbrook Capital, LLC | 10.28% | No change | 14,664,380 | $24.3M |
| Renaissance Technologies | 0.00% | Reduce -2.1% | 1,657,364 | $2.8M |
| Vanguard Group Inc. | 0.00% | No change | 1,294,755 | $2.1M |
| Kanen Wealth Management LLC | 0.64% | Add +10.9% | 1,249,399 | $2.1M |
| BlackRock, Inc. | 0.00% | Add +0.3% | 635,146 | $1.1M |
| Geode Capital Management, LLC | 0.00% | Add +0.3% | 403,354 | $670K |
| P.A.W. Capital Corp. | 1.51% | No change | 400,000 | $664K |
| Acadian Asset Management LLC | 0.00% | Reduce -6.9% | 254,487 | $421K |
| State Street Corp. | 0.00% | No change | 134,596 | $223K |
| Northern Trust Corp. | 0.00% | Reduce -0.8% | 76,029 | $126K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -24.6% | 66,276 | $110K |
| Marathon Capital Management | 0.02% | No change | 61,500 | $102K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 56,828 | $94K |
| Goldman Sachs Group Inc. | 0.00% | Add +0.8% | 44,913 | $75K |
| Morgan Stanley | 0.00% | Reduce -14.6% | 33,136 | $55K |
| LPL Financial LLC | 0.00% | No change | 31,240 | $52K |
| Arcadia Wealth Management, Inc. | 0.03% | No change | 29,050 | $48K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 24,313 | $40K |
| XTX Topco Ltd | 0.00% | New | 15,416 | $26K |
| Independent Advisor Alliance | 0.00% | No change | 10,000 | $17K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -44.7% | 1,411 | $2K |
| UBS Group AG | 0.00% | Add +46.5% | 85 | $141 |
| JPMorgan Chase & Co. | 0.00% | No change | 43 | $71 |
| Bank of America Corp. | 0.00% | No change | 38 | $63 |
| BNP Paribas Financial Markets | 0.00% | No change | 2 | $3 |
| Wells Fargo & Company | 0.00% | No change | 1 | $1 |
"% of holder's portfolio" is MCHX's weight in each manager's 13F, not the share of Marchex Inc. Class B the manager owns.