MATRIX SVC CO (MTRX) is held by 83 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling MTRX?

In Q1 2026, 49 institutions opened or increased positions in MATRIX SVC CO while 38 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on MTRX?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MATRIX SVC CO.

How many hedge funds hold MTRX?

83 institutional investors report holding MATRIX SVC CO (MTRX) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into MTRX?

As of Q1 2026, tracked institutions in MATRIX SVC CO show 49 buyers versus 38 sellers — net inflows.

MATRIX SVC CO

MTRX·576853105·US·Common Stock·Industrials - Engineering & Construction-13D/G

Holders

Avg rating(21 Elite)

$175.4M

Total Value

56% (91)

Fund Consensus

49 buying - 38 selling

Smart Money Verdict

View all

Held by 83 funds

21 elite

Who's Trading

InsiderHRHEWITT JOHN RSell $450KMay 8, 2026

Activist

BlackRock, Inc.6.8%Apr 7, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

InsiderAEAUSTIN NANCY ESell $47KFeb 18, 2026

InsiderPPPAYNE SHAWN PSell $60KNov 25, 2025

InsiderPPPAYNE SHAWN PSell $34KNov 20, 2025

InsiderPPPAYNE SHAWN PSell $104KNov 11, 2025

InsiderCDCHANDLER JOHN DBuy $29KSep 16, 2025

ActivistHAHARVEY PARTNERS, LLC4.4%Aug 14, 2025

ActivistAZAzarias Capital Management, L.P.4.4%Apr 9, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	2M(-45.4%)	$23.1M	0.0%	+3.67%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	1.2M	$13.7M	0.0%	+10.83%	39
AMERICAN CENTURY COMPANIES INC	Increased	981,639(+11.1%)	$11.3M	0.0%	+1.25%	31
First Eagle Investment Management, LLC	Increased	850,809(+32.9%)	$9.8M	0.0%	-0.10%	35
GEODE CAPITAL MANAGEMENT, LLC	Increased	685,373(+2.6%)	$7.9M	0.0%	+2.18%	28
DIMENSIONAL FUND ADVISORS LP	Decreased	663,939(-0.7%)	$7.6M	0.0%	+129.45%	0
TWO SIGMA INVESTMENTS, LP	Increased	637,691(+217.7%)	$7.3M	0.0%	+8.37%	44
STATE STREET CORP	Increased	545,485(+2.3%)	$6.3M	0.0%	+14.44%	28
AQR CAPITAL MANAGEMENT LLC	Increased	498,941(+36.6%)	$5.7M	0.0%	+3.65%	35
MILLENNIUM MANAGEMENT LLC	Decreased	476,411(-2.1%)	$5.5M	0.0%	-7.83%	0
CITADEL ADVISORS LLC	Increased	472,047(+106.7%)	$5.4M	0.0%	+7.18%	44
Bank of New York Mellon Corp	Decreased	466,897(-5.4%)	$5.4M	0.0%	+1.87%	0
Connor, Clark & Lunn Investment Management Ltd.	Decreased	363,108(-6.1%)	$4.2M	0.0%	+3.34%	0
Russell Investments Group, Ltd.	Decreased	356,785(-9.0%)	$4.1M	0.0%	+5.86%	0
JACOBS LEVY EQUITY MANAGEMENT, INC	Increased	350,987(+7.6%)	$4M	0.0%	+4.86%	29
MWMARSHALL WACE, LLP	Increased	313,296(+895.5%)	$3.6M	0.0%	+10.26%	43
JANE STREET GROUP, LLC	Increased	313,175(+185.7%)	$3.6M	0.0%	+6.10%	43
MORGAN STANLEY	Increased	302,698(+4.3%)	$3.5M	0.0%	+5.82%	28
GOLDMAN SACHS GROUP INC	Decreased	272,390(-5.2%)	$3.1M	0.0%	-3.96%	0
JPMORGAN CHASE & CO	Increased	275,307(+5.7%)	$3.1M	0.0%	-4.83%	28