Matrix Service Co (MTRX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

2,058,524Shares held by institutions

$22,911,372Value of institutional holdings

88.65%Institutional ownership %

3.85%Shares Changed QoQ

124No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Matrix Service Co (NASDAQ:MTRX) has 140 institutional investors that have filed 13F reports for the period ending December 2025.

These investors collectively held 86.3% of Matrix Service's outstanding shares in December 2025, down from 87.0% in September 2025.
They increased total shares held in Matrix Service by 5.66% from last quarter, and the number of investors in MTRX increased 13.82% annually.
Activity in MTRX broke down as 77 buyers, 48 sellers, and 15 unchanged among 140 total holders.
Combined, these investors held 24.46Mn shares in MTRX for December 2025, up by 1.31Mn shares quarter on quarter, and up 1.42Mn shares year over year.
As of December 31, 2025, the biggest holder of Matrix Service is BlackRock, Inc. at 3.69Mn shares, representing 13.0% of shares outstanding.
The largest buyers of Matrix Service for the quarter ending December 2025 were BlackRock, Inc. (382.27K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (228.29K), CenterBook Partners LP (226.32K), GSA CAPITAL PARTNERS LLP (175.79K), CITADEL ADVISORS LLC (175.37K).
Top sellers of MTRX stock for the quarter ending December 2025 included ROYCE & ASSOCIATES LP (430.0K), Jpmorgan Chase & Co (353.12K), Bank Of America Corp /De/ (159.09K), MILLENNIUM MANAGEMENT LLC (143.73K), DIMENSIONAL FUND ADVISORS LP (141.98K).
According to Business Quant data, leading holders of MTRX for December 2025 are BlackRock, Inc. (3.69Mn), VANGUARD GROUP INC (1.53Mn), NEEDHAM INVESTMENT MANAGEMENT LLC (1.43Mn), GENDELL JEFFREY L (1.06Mn), WESTERLY CAPITAL MANAGEMENT, LLC (988.0K), AMERICAN CENTURY COMPANIES INC (883.56K), Harvey Partners, LLC (852.68K), Azarias Capital Management, L.P. (730.77K), DIMENSIONAL FUND ADVISORS LP (668.74K), GEODE CAPITAL MANAGEMENT, LLC (667.97K).

140 Institutional Holders

2,058,524 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	382,274	11.57%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	3,834	0.25%	$0.00
Azarias Capital Management, L.P.	31 Dec, 2025	95,924	15.11%	$0.00
Barclays Plc	31 Dec, 2025	-41,596	-39.67%	$0.00
NEEDHAM INVESTMENT MANAGEMENT LLC	31 Dec, 2025	0	0.00%	$0.00
CenterBook Partners LP	31 Dec, 2025	226,325	55.51%	$0.00
GENDELL JEFFREY L	31 Dec, 2025	111,087	11.74%	$0.00
Russell Investments Group, Ltd.	31 Dec, 2025	64,157	19.58%	$0.00
WESTERLY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-112,000	-10.18%	$0.00
De Lisle Partners LLP	31 Dec, 2025	0	0.00%	$0.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	94,644	12.00%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	6,737	3.08%	$0.00
Harvey Partners, LLC	31 Dec, 2025	297	0.03%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	115,788	0.00%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	-141,975	-17.51%	$0.00
Congruence Capital, LLC	31 Dec, 2025	93,196	0.00%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	23,358	3.62%	$0.00
WINTON GROUP Ltd	31 Dec, 2025	4,125	5.04%	$0.00
First Eagle Investment Management, LLC	31 Dec, 2025	58,209	10.00%	$0.00
Nuveen, LLC	31 Dec, 2025	16,060	38.68%	$0.00

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