Marchex Inc. Class BMCHX
13F holders, Q3 2025 (September 30)31holders +2
5new positions
3sold out
1famous investor
$1.80avg. 13F price*
At the end of Q3 2025, 31 institutions reported holding Marchex Inc. Class B (MCHX) in their 13F filings, up 2 from Q2 2025. 5 opened new positions and 3 sold out. The largest holders were Edenbrook Capital, LLC ($26.5M), Renaissance Technologies ($3.1M) and Vanguard Group Inc. ($2.3M). 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $18K |
| Exits | 3 | $719K |
All 13F filers, Q2 2025 → Q3 2025: 465,104 shares bought and 445,735 shares sold, net +19,369 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 31 holders
| Edenbrook Capital, LLC | 13.46% | No change | 14,664,380 | $26.5M |
| Renaissance Technologies | 0.00% | Reduce -0.6% | 1,692,164 | $3.1M |
| Vanguard Group Inc. | 0.00% | No change | 1,294,755 | $2.3M |
| Kanen Wealth Management LLC | 0.65% | Add +62.9% | 1,126,388 | $1.9M |
| BlackRock, Inc. | 0.00% | Add +0.2% | 632,908 | $1.1M |
| P.A.W. Capital Corp. | 1.31% | No change | 400,000 | $722K |
| Geode Capital Management, LLC | 0.00% | Add +2.3% | 402,225 | $720K |
| Acadian Asset Management LLC | 0.00% | Reduce -5.8% | 273,302 | $488K |
| State Street Corp. | 0.00% | No change | 134,596 | $241K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -13.7% | 87,848 | $157K |
| Northern Trust Corp. | 0.00% | Reduce -2.7% | 76,602 | $138K |
| Marathon Capital Management | 0.03% | Add +13.9% | 61,500 | $110K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 56,828 | $102K |
| Acuitas Investments, LLC | 0.06% | Reduce -24.2% | 48,829 | $88K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -10.5% | 44,547 | $80K |
| RBF Capital, LLC | 0.00% | No change | 41,600 | $75K |
| Morgan Stanley | 0.00% | Reduce 0.0% | 38,809 | $70K |
| LPL Financial LLC | 0.00% | No change | 31,240 | $56K |
| Susquehanna International Group, LLP | 0.00% | Reduce -62.9% | 30,924 | $55K |
| Arcadia Wealth Management, Inc. | 0.03% | No change | 29,050 | $52K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 24,313 | $44K |
| Independent Advisor Alliance | 0.00% | New | 10,000 | $18K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +544.4% | 2,552 | $5K |
| Barclays PLC | 0.00% | New | 91 | $164 |
| UBS Group AG | 0.00% | New | 58 | $105 |
| JPMorgan Chase & Co. | 0.00% | No change | 43 | $77 |
| Bank of America Corp. | 0.00% | Reduce -89.3% | 38 | $69 |
| Citigroup Inc. | 0.00% | New | 28 | $50 |
| BNP Paribas Financial Markets | 0.00% | Reduce -99.6% | 2 | $4 |
| Wells Fargo & Company | 0.00% | No change | 1 | $1 |
| Royal Bank of Canada | 0.00% | New | 7 | $0 |
"% of holder's portfolio" is MCHX's weight in each manager's 13F, not the share of Marchex Inc. Class B the manager owns.