Marchex, Inc.
Marchex, Inc. (MCHX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MCHX · as of Sep 30, 2025
Ownership Breakdown
30
Institutional Holders
$38.18M
Total Inst. Value
▼ $8.13M vs Q2
44.30M
Shares Outstanding
freeFloat 81.77%
21.21M
13F Shares Held
▲ 19,362 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MCHX largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
EDENBROOK CAPITAL, LLC services-business services, nec | 14.66M | 33.40% | 33.40% | $26.49B | Nov 13, 2025 | — held |
RENAISSANCE TECHNOLOGIES LLC services-business services, nec | 1.69M | 3.85% | 3.85% | $3.06B | Nov 13, 2025 | ▼ 10.6K |
VANGUARD GROUP INC services-business services, nec | 1.29M | 2.95% | 2.95% | $2.32B | Nov 7, 2025 | — held |
KANEN WEALTH MANAGEMENT LLC services-business services, nec | 1.13M | 2.57% | 2.57% | $1.95B | Nov 14, 2025 | ▲ 434.7K |
BLACKROCK, INC. services-business services, nec | 632.9K | 1.44% | 1.44% | $1.14B | Nov 12, 2025 | ▲ 1.5K |
GEODE CAPITAL MANAGEMENT, LLC services-business services, nec | 402.2K | 91.62% | 91.62% | $720.16M | Nov 12, 2025 | ▲ 9.0K |
P.A.W. CAPITAL CORP services-business services, nec | 400.0K | 91.11% | 91.11% | $722.48M | Nov 12, 2025 | — held |
ACADIAN ASSET MANAGEMENT LLC services-business services, nec | 273.3K | 62.25% | 62.25% | $488.00M | Nov 13, 2025 | ▼ 16.8K |
STATE STREET CORP services-business services, nec | 134.6K | 30.66% | 30.66% | $240.93M | Nov 14, 2025 | — held |
DIMENSIONAL FUND ADVISORS LP services-business services, nec | 87.8K | 20.01% | 20.01% | $157.29M | Nov 12, 2025 | ▼ 13.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
6
Increased
+455.0K shares3
New Positions
first time holders10
Decreased
−117.5K shares4
Sold Out
fully exitedNet shares change (top 50)
+337.5K
+455.0K / −117.5K
Net new holders
-5
3 new / 4 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MCHX insider trading · insider activity
Source: SEC Form 4
6
Buy transactions
3
Sell transactions
2.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Nagle Brian Chief Financial Officer | Feb 17, 2026 | Award | 56,089 | — | — | 56.1K | Form 4 ↗ |
HARTLESS TROY President & Chief Rev Officer | Feb 17, 2026 | Award | 128,205 | — | — | 128.2K | Form 4 ↗ |
Feeney Francis J Chief Operating Officer & CLO | Feb 17, 2026 | Award | 96,153 | — | — | 96.2K | Form 4 ↗ |
Wisehart Manuel W director | Dec 16, 2025 | Award | 50,000 | $1.64 | $82.0K | 50.0K | Form 4 ↗ |
CLINE DENNIS director | Dec 16, 2025 | Award | 50,000 | $1.64 | $82.0K | 50.0K | Form 4 ↗ |
ARENDS MICHAEL A Vice Chairman | Dec 16, 2025 | Award | 50,000 | $1.64 | $82.0K | 50.0K | Form 4 ↗ |
COGSVILLE DONALD director | Dec 16, 2025 | Award | 50,000 | $1.64 | $82.0K | 50.0K | Form 4 ↗ |
HOROWITZ RUSSELL C Chairman | Dec 16, 2025 | Award | 50,000 | $1.64 | $82.0K | 50.0K | Form 4 ↗ |
Nagle Brian Chief Financial Officer | Oct 16, 2025 | Award | 125,000 | — | — | 125.0K | Form 4 ↗ |
Nagle Brian Chief Financial Officer | Oct 16, 2025 | Award | 125,000 | $1.81 | $226.3K | 125.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Marchex, Inc. (MCHX) is primarily owned by institutional investors, who hold approximately 47.9% of total shares outstanding. Company insiders own approximately 18.23%, while retail and public investors account for the remaining 33.90%.
The largest institutional shareholder of Marchex, Inc. is EDENBROOK CAPITAL, LLC, holding approximately 14.66 million shares — equal to 33.40% of outstanding shares — as of September 30, 2025.
A total of 30 institutional investors currently hold MCHX stock, with a combined institutional value of approximately $38,175,797 as of the most recent 13F filing period.
Frequently asked questions
MCHX ownershipMarchex, Inc. (MCHX) is primarily owned by institutional investors, who hold approximately 47.9% of shares. The largest shareholder is EDENBROOK CAPITAL, LLC with a 33.40% stake. Company insiders hold 18.23%. Data sourced from SEC Form 13F as of September 30, 2025.