MCHX · Marchex Inc

$1.81 -0.02 (-0.82%) At close · Aug 27

Market Cap

$79.59M

44.34M

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.

Quarter:

Holders: 29

Total Value: $34,251,471

Total Shares: 21,274,216

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 29 13F filers · Δ vs Mar 31, 2026

Top Holder

68.9%

−0.1 pts

Top 5

90.6%

−0.2 pts

Top 10

96.9%

−0.3 pts

HHI

4,889

Highly concentrated−16

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +1

Institutional value: +4.0%

Shares held: +0.2%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+16,226	656,221
Small MARATHON CAPITAL MANAGEMENT	+2,500	64,000
Mega VANGUARD FIDUCIARY TRUST CO	+1,455	203,633
Mid Tower Research Capital LLC (TRC)	+839	2,930
Mega CITADEL ADVISORS LLC	+731	17,360

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Micro Acuitas Investments, LLC	−30,968	102,734
Large RENAISSANCE TECHNOLOGIES LLC	−29,440	1,576,464
Large ACADIAN ASSET MANAGEMENT LLC	−26,171	185,448
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC	−14,500	42,328
Mega NORTHERN TRUST CORP	−5,684	70,345

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid Arax Advisory Partners	145,908	$234,911
Mega BARCLAYS PLC	63	$101
Mid Clearstead Advisors, LLC	50	$80

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Small Black Diamond Financial, LLC	20,000	$31,000
Mega UBS Group AG	626	$970

Filter: New 3 Increased 5 Reduced 9 Sold out 2 Unchanged 12

Showing 29 of 29

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Edenbrook Capital, LLC

$23,609,650

68.93%

14,664,380

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EDENBROOK LONG ONLY VALUE FUND, LP	13,239,567	$21,315,702	90.3%	Defined
Held directly	1,424,813	$2,293,948	9.7%	Sole

RENAISSANCE TECHNOLOGIES LLC

$2,538,107

7.41%

1,576,464

Kanen Wealth Management LLC

$2,093,624

6.11%

1,300,388

VANGUARD CAPITAL MANAGEMENT LLC

$1,738,608

5.08%

1,079,881

BlackRock, Inc.

$1,056,514

3.08%

656,221

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	3,898	$6,275	0.6%	Sole
BlackRock Fund Advisors	73,060	$117,626	11.1%	Sole
BlackRock Institutional Trust Company, N.A.	579,263	$932,613	88.3%	Sole

GEODE CAPITAL MANAGEMENT, LLC

$645,008

1.88%

400,627

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	70,447	$113,419	17.6%	Defined
Held directly	330,180	$531,589	82.4%	Defined

P.A.W. CAPITAL CORP

$644,000

1.88%

400,000

VANGUARD FIDUCIARY TRUST CO

$327,849

0.96%

203,633

ACADIAN ASSET MANAGEMENT LLC

$298,571

0.87%

185,448

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	185,448	$298,571	100.0%	Defined

Arax Advisory Partners

$234,911

0.69%

145,908

STATE STREET CORP

$226,520

0.66%

140,696

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	140,696	$226,520	100.0%	Defined

Acuitas Investments, LLC

$165,401

0.48%

102,734

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Seven Canyons Advisors, LLC	102,734	$165,401	100.0%	Other

NORTHERN TRUST CORP

$113,255

0.33%

70,345

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	70,345	$113,255	100.0%	Defined

DIMENSIONAL FUND ADVISORS LP

$106,647

0.31%

66,241

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	800	$1,288	1.2%	Defined
Dimensional Ireland Ltd	31,095	$50,062	46.9%	Defined
Held directly	34,346	$55,297	51.9%	Sole

MARATHON CAPITAL MANAGEMENT

$103,040

0.30%

64,000

GOLDMAN SACHS GROUP INC

$71,794

0.21%

44,593

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	44,593	$71,794	100.0%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$68,148

0.20%

42,328

MORGAN STANLEY

$53,348

0.16%

33,136

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	33,136	$53,348	100.0%	Defined

LPL Financial LLC

$50,215

0.15%

31,190

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$39,143

0.11%

24,313

CITADEL ADVISORS LLC

$27,949

0.08%

17,360

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	17,360	$27,949	100.0%	Defined

Vanguard Global Advisers, LLC

$18,098

0.05%

11,241

Independent Advisor Alliance

$16,100

0.05%

10,000

Tower Research Capital LLC (TRC)

$4,717

0.01%

2,930

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,930	$4,717	100.0%	Defined

BARCLAYS PLC

$101

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	63	$101	100.0%	Defined

Clearstead Advisors, LLC

$80

0.00%

JPMORGAN CHASE & CO

$69

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities plc	43	$69	100.0%	Defined

BNP PARIBAS ARBITRAGE, SA

0.00%

WELLS FARGO & COMPANY/MN

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	1	$1	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	626	$970	100.0%	Defined

Key facts CIK 1224133 CUSIP 56624R108 13F (30d) 27 filings 27 filers Visit website Investor relations