Matrix Service Company

MTRX • NASDAQ

Matrix Service Company is a engineering & construction company in the industrials sector on NASDAQ, led by John R. Hewitt, with a market cap of $342.6M. As of Q3 2025, 85% of shares are held by 140 institutional investors, with BlackRock, Inc. as the largest holder at 11.77%.

President and Chief Executive OfficerJohn R. Hewitt

Market Cap$342.6M

Engineering & Construction

Industrials

Employees2.5K

Websitematrixservice.com

Country

United States of America

Overview

Overview of institutional ownership in MTRX as of Q3 2025 with a market cap of $367.1M

All Institutions

Institutions: 140
Value Held: $312.4M
Shares Held: 23.9M
Avg Position: $2.2M
Median Position: $483.2K

Hedge Funds

Hedge Funds: 28
Value Held: $80.3M
Shares Held: 6.1M
Avg Position: $2.9M
Median Position: $678.7K

Ownership Breakdown

Institutional (non-HF)

63.23%

$232.1M

Hedge Funds

21.86%

$80.3M

Retail & Other

14.91%

$54.7M

Based on market cap of $367.1M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in MTRX as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$43.2M 0.00% of portfolio	11.77% 3.3M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$19.9M 0.00% of portfolio	5.43% 1.5M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
NEEDHAM INVESTMENT MANAGEMENT LLC Hedge Fund•Long/Short	George Austin Needham CEO	$18.8M 1.31% of portfolio	5.11% 1.4M shares	Q1 2022 Held for 3y 8m	$1.4B
WESTERLY CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short	Christopher James Galvin Managing Partner	$14.4M 4.56% of portfolio	3.92% 1.1M shares	Q4 2022 Held for 2y 11m	$315.2M
G GENDELL JEFFREY L Institution	-	$12.4M 0.23% of portfolio	3.37% 946.5K shares	Q1 2023 Held for 2y 8m	$5.5B
H Harvey Partners, LLC Institution	-	$11.1M 1.01% of portfolio	3.04% 852.4K shares	Q4 2021 Held for 3y 11m	$1.1B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$10.6M 0.00% of portfolio	2.89% 810.7K shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
A AMERICAN CENTURY COMPANIES INC Institution	-	$10.3M 0.01% of portfolio	2.81% 788.9K shares	Q4 2023 Held for 1y 11m	$195.93B
FIRST WILSHIRE SECURITIES MANAGEMENT INC RIA/Wealth	Howard Haoming Lu CEO	$9.1M 2.41% of portfolio	2.47% 692.9K shares	Q2 2022 Held for 3y 5m	$375.8M
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$8.4M 0.00% of portfolio	2.30% 644.6K shares	≤ Q2 2013 Held for 12y 5m+	$1.57T

Net Capital Flow

Institutional buying and selling activity for MTRX in Q3 2025

Traded: +$6.9M
Buyers: 84
Sellers: 50
Total Bought: +$44.9M
Total Sold: −$38.0M
Avg Position: $2.0M

Biggest Buyers

Institution	Net Bought	Current Position
G GENDELL JEFFREY L Institution	+$4.3M +332.1K shares	$12.4M 946.5K shares
WESTERLY CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short	+$3.7M +280.0K shares	$14.4M 1.1M shares
A AYAL Capital Advisors Ltd Institution	+$2.9M +225.0K shares	$2.9M 225.0K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$2.6M +200.2K shares	$8.2M 630.4K shares
CenterBook Partners LP Hedge Fund•Market Neutral	+$2.4M +183.3K shares	$5.3M 407.7K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$2.0M +153.8K shares	$2.3M 177.3K shares
J JANE STREET GROUP, LLC Institution	+$1.8M +140.0K shares	$2.1M 158.8K shares
A AMERICAN CENTURY COMPANIES INC Institution	+$1.5M +117.5K shares	$10.3M 788.9K shares
Q Qube Research & Technologies Ltd Institution	+$1.3M +102.5K shares	$2.9M 218.7K shares
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	+$1.3M +100.0K shares	$1.3M 100.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
ACK Asset Management LLC Hedge Fund•Long/Short	−$14.7M −1.1M shares	Sold Off 0 shares
H Harvey Partners, LLC Institution	−$4.8M −369.4K shares	$11.1M 852.4K shares
FIRST WILSHIRE SECURITIES MANAGEMENT INC RIA/Wealth	−$2.7M −208.1K shares	$9.1M 692.9K shares
PRUDENTIAL FINANCIAL INC Institution	−$2.3M −178.9K shares	$909.3K 69.5K shares
R ROYCE & ASSOCIATES LLC Institution	−$2.0M −156.5K shares	$7.2M 550.8K shares
BANK OF AMERICA CORP /DE/ Institution	−$1.9M −145.0K shares	$1.2M 92.0K shares
R RBF Capital, LLC Institution	−$1.4M −100.0K shares	Sold Off 0 shares
FRANKLIN RESOURCES INC Institution	−$1.3M −102.1K shares	$426.7K 32.6K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$1.2M −86.8K shares	Sold Off 0 shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$1.1M −83.5K shares	$10.6M 810.7K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited MTRX in Q3 2025

New Positions: 12
New Value: $6.4M
Exited Positions: 13
Exited Value: $18.6M

New Positions

Institution	Position Value
A AYAL Capital Advisors Ltd Institution	$2.9M 225.0K shares
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	$1.3M 100.0K shares
Fortress Investment Group LLC RIA/Wealth	$1.2M 88.9K shares
VERUS CAPITAL PARTNERS, LLC RIA/Wealth	$374.1K 28.6K shares
Empowered Funds, LLC ETF Provider	$197.1K 15.1K shares
P PharVision Advisers, LLC Hedge Fund•Long/Short	$153.8K 11.8K shares
P Polymer Capital Management LLC Hedge Fund•Multi-Strategy	$136.8K 10.5K shares
SRS Capital Advisors, Inc. RIA/Wealth	$63.8K 4.9K shares
W WHITE BAY PT LLC Institution	$8.0K 611.0 shares
C Covestor Ltd Institution	$7.7K 590.0 shares

Exited Positions

Institution	Previous Position
ACK Asset Management LLC Hedge Fund•Long/Short	$14.7M 1.1M shares
R RBF Capital, LLC Institution	$1.4M 100.0K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.2M 86.8K shares
Verition Fund Management LLC Hedge Fund•Multi-Strategy	$290.2K 21.5K shares
S SEI INVESTMENTS CO Institution	$204.9K 15.2K shares
Almanack Investment Partners, LLC. RIA/Wealth	$204.3K 15.1K shares
M Man Group plc Institution	$202.3K 15.0K shares
Y Y-Intercept Ltd Institution	$183.1K 13.6K shares
M MANUFACTURERES LIFE INSURANCE CO Institution	$136.7K 10.1K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	$100.5K 7.4K shares

Options Activity

Institutions with the largest Call and Put options positions in MTRX as of Q3 2025

Call Positions: 2
Call Value: $787.4K
Put Positions: 2
Put Value: $325.7K

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$609.5K 466.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$177.9K 136.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$194.9K 149.0 contracts
J JANE STREET GROUP, LLC Institution	$130.8K 100.0 contracts

Most Committed Institutions

Institutions with MTRX as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
WESTERLY CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short	Christopher James Galvin Managing Partner	4.56% $14.4M	3.92% 1.1M shares	Q4 2022 Held for 2y 11m	$315.2M
Azarias Capital Management, L.P. Hedge Fund•Value	Daren Clark Heitman CIO	3.29% $8.3M	2.26% 634.8K shares	Q4 2021 Held for 3y 11m	$252.5M
FIRST WILSHIRE SECURITIES MANAGEMENT INC RIA/Wealth	Howard Haoming Lu CEO	2.41% $9.1M	2.47% 692.9K shares	Q2 2022 Held for 3y 5m	$375.8M
A AYAL Capital Advisors Ltd Institution	-	1.70% $2.9M	0.80% 225.0K shares	Q3 2025 Held for 2 months	$173.4M
NEEDHAM INVESTMENT MANAGEMENT LLC Hedge Fund•Long/Short	George Austin Needham CEO	1.31% $18.8M	5.11% 1.4M shares	Q1 2022 Held for 3y 8m	$1.4B
H Harvey Partners, LLC Institution	-	1.01% $11.1M	3.04% 852.4K shares	Q4 2021 Held for 3y 11m	$1.1B
1492 Capital Management LLC Long Only Manager	Joseph Anthony Frohna Managing Partner	0.82% $2.0M	0.56% 156.4K shares	Q1 2023 Held for 2y 8m	$249.8M
Stanley-Laman Group, Ltd. RIA/Wealth	James J. Laman President	0.47% $2.8M	0.75% 211.3K shares	Q1 2022 Held for 3y 8m	$583.7M
ESSEX INVESTMENT MANAGEMENT CO LLC Long Only Manager	Nancy Beth Prial CEO	0.43% $2.8M	0.76% 212.7K shares	Q4 2022 Held for 2y 11m	$652.5M
D De Lisle Partners LLP Institution	-	0.41% $3.4M	0.92% 257.9K shares	Q1 2024 Held for 1y 8m	$815.6M

Hedge Fund Spotlight

Discover hedge funds investing in MTRX

Quest Partners LLC

Hedge Fund • Quant Macro

Portfolio ManagerNigol (Nmn) Koulajian

Portfolio Value: $1.5B
Positions: 2,240
Last Reported: Q3 2025

Sector Allocation

Position in Matrix Service Company

Market Value: $254.8K
Shares Held: 19.5K
Portfolio Weight: 0.02%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 iShares 7-10 Year Treasury Bond IEF	ETF ETF	$39.0M	2.54%
2 SPDR Portfolio Intermediate Term Treasury SPTI	ETF ETF	$6.5M	0.42%
3 SCHR Schwab Intermediately-Term U.S. Treasury SCHR	ETF ETF	$6.5M	0.42%

View full profile

Matrix Service Company

Overview

All Institutions

Hedge Funds

Ownership Breakdown

Biggest Investors

Net Capital Flow

Biggest Buyers

Biggest Sellers

Entry and Exit Activity

New Positions

Exited Positions

Options Activity

Call Positions

Put Positions

Most Committed Institutions

Hedge Fund Spotlight

Position in Matrix Service Company

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