Matrix Service MTRX Institutional Ownership

NASDAQ MTRX

$10.61 +0.25 (+2.41%)

At close: Sep 11, 2026 · 4:00 PM EDT

Institutions by Trading Activity

151 Institutions

Increased 89 58.9%

Unchanged 20 13.2%

Reduced 42 27.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

88.24%

▼-0.27 pp QoQ

Shares Held by Institutions

24.97Mn

of 28.30Mn outstanding

▲+2.52% QoQ

Shares Outstanding

28.30Mn

3.33Mn held outside 13F filers

Institutional Investors

151

filed 13F for Jun 2026

▲+7 vs prior quarter

Net Shares Added (QoQ)

+613.11K

accumulated since last quarter

Value of Holdings

$264.92Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Matrix Service Co (NASDAQ:MTRX) has 151 institutional investors that have filed 13F reports for the period ending June 2026.

These investors collectively held 88.2% of Matrix Service's outstanding shares in June 2026, down from 88.5% in March 2026.
Their total shares held in MTRX increased 2.52% quarter over quarter, and separately, investors owning Matrix Service increased 20.8% from a year ago.
During the quarter, 89 of these 151 funds increased positions in MTRX, 42 reduced exposure, and 20 held steady.
Institutional investors collectively held 24.97Mn shares in Matrix Service as of June 2026, up by 613.11K shares quarter on quarter, and up 251.03K shares year over year.
As of June 30, 2026, the biggest holder of Matrix Service is BlackRock, Inc. at 2.14Mn shares, representing 7.56% of shares outstanding.
The largest buyers of Matrix Service for the quarter ending June 2026 were ACADIAN ASSET MANAGEMENT LLC (395.41K), AMERICAN CENTURY COMPANIES INC (225.18K), D. E. Shaw & Co., Inc. (218.07K), Allspring Global Investments Holdings, LLC (201.59K), Jpmorgan Chase & Co (185.16K).
Top sellers of MTRX stock for the quarter ending June 2026 included First Eagle Investment Management, LLC (711.4K), WESTERLY CAPITAL MANAGEMENT, LLC (369.07K), MILLENNIUM MANAGEMENT LLC (340.59K), CenterBook Partners LP (277.37K), JANE STREET GROUP, LLC (206.79K).
Per Business Quant data, the top 10 holders of Matrix Service for the quarter ending June 2026 are BlackRock, Inc. (2.14Mn), NEEDHAM INVESTMENT MANAGEMENT LLC (1.43Mn), AMERICAN CENTURY COMPANIES INC (1.21Mn), GENDELL JEFFREY L (1.19Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.19Mn), First Eagle Investment Management, LLC (990.22K), ACADIAN ASSET MANAGEMENT LLC (871.5K), Harvey Partners, LLC (815.02K), TWO SIGMA INVESTMENTS, LP (748.12K), GEODE CAPITAL MANAGEMENT, LLC (721.32K).

Form 13F Holdings

152 Institutional Holders

Report period 30 Jun, 2026

Total shares held 24.97Mn

Of outstanding 88.24%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	2,139,456	7.56%	▲125,239	+6.22%	$29.31Mn
2	NEEDHAM INVESTMENT MANAGEMENT LLC	0001167212	1,435,000	5.07%	0	0.00%	$19.66Mn
3	AMERICAN CENTURY COMPANIES INC	0000748054	1,206,822	4.27%	▲225,183	+22.94%	$16.53Mn
4	GENDELL JEFFREY L	0001056581	1,192,529	4.21%	▼38,778	-3.15%	$16.34Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,188,393	4.20%	▼8,394	-0.70%	$16.28Mn
6	First Eagle Investment Management, LLC	0001325447	990,217	3.50%	▼711,401	-41.81%	$13.57Mn
7	ACADIAN ASSET MANAGEMENT LLC	0000916542	871,501	3.08%	▲395,412	+83.05%	$11.93K
8	Harvey Partners, LLC	0001406484	815,023	2.88%	▼89,977	-9.94%	$11.17Mn
9	TWO SIGMA INVESTMENTS, LP	0001179392	748,118	2.64%	▲110,427	+17.32%	$10.25Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	721,322	2.55%	▲35,949	+5.25%	$9.89Mn
11	Azarias Capital Management, L.P.	0001625279	673,692	2.38%	▼143,329	-17.54%	$9.23Mn
12	DIMENSIONAL FUND ADVISORS LP	0000354204	665,266	2.35%	▲1,327	+0.20%	$9.11Mn
13	WESTERLY CAPITAL MANAGEMENT, LLC	0001546172	595,930	2.11%	▼369,070	-38.25%	$8.16Mn
14	AQR CAPITAL MANAGEMENT LLC	0001167557	594,197	2.10%	▲95,256	+19.09%	$8.14Mn
15	State Street Corp	0000093751	581,006	2.05%	▲35,521	+6.51%	$7.96Mn
16	FIRST WILSHIRE SECURITIES MANAGEMENT INC	0000732847	517,121	1.83%	▼5,717	-1.09%	$7.08Mn
17	Jpmorgan Chase & Co	0000019617	460,466	1.63%	▲185,159	+67.26%	$6.31Mn
18	Bank of New York Mellon Corp	0001390777	457,365	1.62%	▼9,532	-2.04%	$6.27Mn
19	Morgan Stanley	0000895421	437,019	1.54%	▲134,321	+44.37%	$5.99Mn
20	CITADEL ADVISORS LLC	0001423053	426,023	1.51%	▼46,024	-9.75%	$5.84Mn

Showing 1 to 20 of 152 holders