Marchex Inc. Class BMCHX
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 33 institutions reported holding Marchex Inc. Class B (MCHX) in their 13F filings, up 1 from Q4 2024. 4 opened new positions and 3 sold out. The largest holders were Edenbrook Capital, LLC ($23.9M), Renaissance Technologies ($2.8M) and Vanguard Group Inc. ($1.8M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Marchex Inc. Class B
- CUSIP
- 56624R108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $908K |
| Exits | 3 | $402K |
All 13F filers, Q4 2024 → Q1 2025: 739,699 shares bought and 374,241 shares sold, net +365,458 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 33 holders
| Edenbrook Capital, LLC | 14.48% | Add +0.7% | 14,664,380 | $23.9M |
| Renaissance Technologies | 0.00% | Reduce -2.0% | 1,717,764 | $2.8M |
| Vanguard Group Inc. | 0.00% | Add +0.0% | 1,095,784 | $1.8M |
| BlackRock, Inc. | 0.00% | Reduce -0.2% | 631,718 | $1.0M |
| Kanen Wealth Management LLC | 0.33% | New | 499,070 | $813K |
| P.A.W. Capital Corp. | 1.61% | No change | 400,000 | $652K |
| Geode Capital Management, LLC | 0.00% | Add +10.1% | 395,865 | $645K |
| Acadian Asset Management LLC | 0.00% | No change | 308,492 | $502K |
| AMH Equity Ltd | 0.55% | Reduce -13.2% | 217,113 | $354K |
| State Street Corp. | 0.00% | No change | 134,596 | $219K |
| Dimensional Fund Advisors LP | 0.00% | Add +4.4% | 101,787 | $166K |
| Susquehanna International Group, LLP | 0.00% | Add +53.2% | 88,834 | $145K |
| Northern Trust Corp. | 0.00% | No change | 79,186 | $129K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -55.0% | 56,828 | $93K |
| Goldman Sachs Group Inc. | 0.00% | Add +0.4% | 49,942 | $81K |
| RBF Capital, LLC | 0.00% | No change | 41,600 | $68K |
| Marathon Capital Management | 0.02% | Add +6.4% | 41,500 | $68K |
| Morgan Stanley | 0.00% | Reduce -5.7% | 38,810 | $63K |
| LPL Financial LLC | 0.00% | Add +0.2% | 31,240 | $51K |
| Arcadia Wealth Management, Inc. | 0.04% | No change | 29,050 | $47K |
| Ieq Capital, LLC | 0.00% | New | 27,908 | $45K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 24,313 | $40K |
| Citadel Advisors | 0.00% | Reduce -5.3% | 23,792 | $39K |
| Jane Street Group, LLC | 0.00% | New | 18,657 | $30K |
| XTX Topco Ltd | 0.00% | New | 11,287 | $18K |
| Financial Advocates Investment Management | 0.00% | No change | 10,000 | $16K |
| UBS Group AG | 0.00% | Add +73762.5% | 5,909 | $10K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -33.5% | 2,722 | $4K |
| BNP Paribas Financial Markets | 0.00% | No change | 491 | $800 |
| Bank of America Corp. | 0.00% | Reduce -12.9% | 305 | $497 |
| JPMorgan Chase & Co. | 0.00% | Reduce -3.2% | 90 | $147 |
| Wells Fargo & Company | 0.00% | No change | 1 | $1 |
| Simplex Trading, LLC | 0.00% | Reduce -99.9% | 2 | $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.