MCHX
Marchex Inc
$1.79
+0.03 (+1.70%)
At close · Jul 7
Market Cap
$79.30M
Shares
44,302,799
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 28
Total Value: $32,925,609
Total Shares: 21,242,337
Institutional Ownership Trend
25 quarters
Holder Concentration
Across 28 13F filers · Δ vs Dec 31, 2025Top Holder
69.0%
−0.3 pts
Top 5
90.8%
−1.4 pts
Top 10
97.2%
−1.0 pts
HHI
4,906
Highly concentrated−52
Quarterly Activity
vs Dec 31, 2025
New
5
Increased
8
Decreased
3
Sold Out
4
Unchanged
12
Holder count:
+1
Institutional value:
-6.2%
Shares held:
+0.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small Kanen Wealth Management LLC | +50,989 | 1,300,388 | |
| Mega CITADEL ADVISORS LLC | +6,429 | 16,629 | |
| Mega STATE STREET CORP | +6,100 | 140,696 | |
| Mega BlackRock, Inc. | +4,849 | 639,995 | |
| Mega GOLDMAN SACHS GROUP INC | +2,515 | 47,428 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | −51,460 | 1,605,904 | |
| Large ACADIAN ASSET MANAGEMENT LLC | −42,868 | 211,619 | |
| Mega LPL Financial LLC | −50 | 31,190 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 1,081,336 | $1,676,070 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 202,178 | $313,375 | |
| Micro Acuitas Investments, LLC | 133,702 | $207,238 | |
| Small Black Diamond Financial, LLC | 20,000 | $31,000 | |
| Mega Vanguard Global Advisers, LLC | 11,241 | $17,423 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 1,294,755 | $2,149,292 | |
| Micro Arcadia Wealth Management, Inc. | 29,050 | $48,223 | |
| Mid XTX Topco Ltd | 15,416 | $25,590 | |
| Mega BANK OF AMERICA CORP /DE/ | 38 | $63 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Small Edenbrook Capital, LLC | $22,729,788 | 69.03% | 14,664,380 | Shares | Sole | 2026-05-14 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $2,489,151 | 7.56% | 1,605,904 | Shares | Sole | 2026-05-14 | ||||
| Small Kanen Wealth Management LLC | $2,015,601 | 6.12% | 1,300,388 | Shares | Sole | 2026-05-18 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $1,676,070 | 5.09% | 1,081,336 | Shares | Defined | 2026-05-15 | ||||
| Mega BlackRock, Inc. | $991,991 | 3.01% | 639,995 | Shares | Sole | 2026-05-13 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $627,449 | 1.91% | 404,806 | Shares | Defined | 2026-05-15 | ||||
| Micro P.A.W. CAPITAL CORP | $620,000 | 1.88% | 400,000 | Shares | Sole | 2026-04-21 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $328,009 | 1.00% | 211,619 | Shares | Defined | 2026-05-13 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $313,375 | 0.95% | 202,178 | Shares | Defined | 2026-05-08 | ||||
| Mega STATE STREET CORP | $218,078 | 0.66% | 140,696 | Shares | Defined | 2026-05-15 | ||||
| Micro Acuitas Investments, LLC | $207,238 | 0.63% | 133,702 | Shares | Other | 2026-04-29 | ||||
| Mega NORTHERN TRUST CORP Bank | $117,844 | 0.36% | 76,029 | Shares | Defined | 2026-05-14 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $102,727 | 0.31% | 66,276 | Shares | Sole | 2026-05-07 | ||||
| Small MARATHON CAPITAL MANAGEMENT | $95,325 | 0.29% | 61,500 | Shares | Sole | 2026-05-14 | ||||
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $88,083 | 0.27% | 56,828 | Shares | Sole | 2026-05-15 | ||||
| Mega GOLDMAN SACHS GROUP INC | $73,513 | 0.22% | 47,428 | Shares | Defined | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $51,360 | 0.16% | 33,136 | Shares | Defined | 2026-05-15 | ||||
| Mega LPL Financial LLC | $48,344 | 0.15% | 31,190 | Shares | Sole | 2026-05-06 | ||||
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $37,685 | 0.11% | 24,313 | Shares | Sole | 2026-05-15 | ||||
| Small Black Diamond Financial, LLC | $31,000 | 0.09% | 20,000 | Shares | Sole | 2026-05-05 | ||||
| Mega CITADEL ADVISORS LLC | $25,774 | 0.08% | 16,629 | Shares | Defined | 2026-05-15 | ||||
| Mega Vanguard Global Advisers, LLC | $17,423 | 0.05% | 11,241 | Shares | Defined | 2026-05-08 | ||||
| Mid Independent Advisor Alliance | $15,500 | 0.05% | 10,000 | Shares | Sole | 2026-05-12 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,241 | 0.01% | 2,091 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $970 | 0.00% | 626 | Shares | Defined | 2026-05-05 | ||||
| Mega JPMORGAN CHASE & CO | $66 | 0.00% | 43 | Shares | Defined | 2026-05-13 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $3 | 0.00% | 2 | Shares | Defined | 2026-05-12 | ||||
| Mega WELLS FARGO & COMPANY/MN | $1 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
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