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Matrix Service Co

MTRX
Exchange
Nasdaq
Industry
Construction - Special Trade Contractors
SEC CIK
0000866273

No open-market purchases or sales by Matrix Service Co insiders were filed in the last 90 days; 150 institutions reported holding it in 13F filings for Q2 2026, worth $341.1M in total; no superinvestor holds it.

13F holders, Q4 2024

Institutional positions in Matrix Service Co as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
123
+6 vs. Q3 2024
Shares held
22.8M
−531.2K (−2.3%) vs. Q3 2024
Total value
$272.3M
+$3.99M (+1.5%) vs. Q3 2024
New holders
18
41 more added
Sold out
12
44 more reduced

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MTRX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2024: 123 institutions
Q1 2021: 119 institutionsQ2 2021: 105 institutionsQ3 2021: 108 institutionsQ4 2021: 122 institutionsQ1 2022: 117 institutionsQ2 2022: 100 institutionsQ3 2022: 76 institutionsQ4 2022: 86 institutionsQ1 2023: 90 institutionsQ2 2023: 81 institutionsQ3 2023: 87 institutionsQ4 2023: 103 institutionsQ1 2024: 110 institutionsQ2 2024: 112 institutionsQ3 2024: 117 institutionsQ4 2024: 123 institutionsQ1 2025: 122 institutionsQ2 2025: 125 institutionsQ3 2025: 143 institutionsQ4 2025: 144 institutionsQ1 2026: 144 institutionsQ2 2026: 150 institutions
Value heldQ4 2024: $272.3M
Q1 2021: $307.8MQ2 2021: $235.6MQ3 2021: $238.7MQ4 2021: $178.3MQ1 2022: $187.4MQ2 2022: $110.5MQ3 2022: $86.7MQ4 2022: $132.6MQ1 2023: $117.0MQ2 2023: $122.1MQ3 2023: $243.8MQ4 2023: $209.0MQ1 2024: $292.2MQ2 2024: $224.9MQ3 2024: $268.3MQ4 2024: $272.3MQ1 2025: $293.4MQ2 2025: $326.3MQ3 2025: $312.2MQ4 2025: $287.2MQ1 2026: $278.6MQ2 2026: $341.1M
Institutions holding MTRX and their total value by quarter
QuarterHoldersValue
Q2 2026150$341.1M
Q1 2026144$278.6M
Q4 2025144$287.2M
Q3 2025143$312.2M
Q2 2025125$326.3M
Q1 2025122$293.4M
Q4 2024123$272.3M
Q3 2024117$268.3M
Q2 2024112$224.9M
Q1 2024110$292.2M
Q4 2023103$209.0M
Q3 202387$243.8M
Q2 202381$122.1M
Q1 202390$117.0M
Q4 202286$132.6M
Q3 202276$86.7M
Q2 2022100$110.5M
Q1 2022117$187.4M
Q4 2021122$178.3M
Q3 2021108$238.7M
Q2 2021105$235.6M
Q1 2021119$307.8M

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Matrix Service Co; share changes are against Q3 2024.

Institutions holding MTRX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Qube Research & Technologies Ltd201,688$2.41M0.00%+26,006+14.8%Added
Renaissance Technologies LLC204,200$2.44M0.00%−4,900−2.3%Reduced
Essex Investment Management Co LLC208,359$2.49M0.45%−29,697−12.5%Reduced
Millennium Management LLC211,585$2.53M0.00%−201,438−48.8%Reduced
Oberweis Asset Management Inc221,075$2.65M0.12%+10,000+4.7%Added
Russell Investments Group, Ltd.245,828$2.94M0.00%+43,612+21.6%Added
Northern Trust Corp252,557$3.02M0.00%+15,015+6.3%Added
Connor, Clark & Lunn Investment Management Ltd.276,943$3.32M0.01%+110,641+66.5%Added
American Century Companies Inc294,889$3.53M0.00%+247,578+523.3%Added
Stanley-Laman Group, Ltd.316,248$3.79M0.53%−19,196−5.7%Reduced
State Street Corp472,146$5.65M0.00%+87,973+22.9%Added
Gendell Jeffrey L597,118$7.15M0.22%00.0%Unchanged
Geode Capital Management, LLC599,302$7.18M0.00%+1,199+0.2%Added
Royce & Associates LP898,122$10.8M0.10%+34,860+4.0%Added
Dimensional Fund Advisors LP1,072,362$12.8M0.00%−83,785−7.2%Reduced
Westerly Capital Management, LLC1,150,000$13.8M6.36%+50,000+4.5%Added
ACK Asset Management LLC1,179,901$14.1M1.89%+378,901+47.3%Added
Azarias Capital Management, L.P.1,218,105$14.6M6.53%−220,154−15.3%Reduced
First Wilshire Securities Management Inc1,346,563$16.1M4.38%−22,844−1.7%Reduced
Vanguard Group Inc1,391,821$16.7M0.00%−3,304−0.2%Reduced
Needham Investment Management LLC1,420,000$17.0M1.31%00.0%Unchanged
Harvey Partners, LLC1,522,000$18.2M2.05%+7,000+0.5%Added
BlackRock, Inc.3,632,169$43.5M0.00%−2,232−0.1%Reduced
Portolan Capital Management, LLC0$00.00%−509,059−100.0%Sold out
Squarepoint Ops LLC0$00.00%−39,456−100.0%Sold out
Corton Capital Inc.0$00.00%−23,535−100.0%Sold out
Virtu Financial LLC0$00.00%−13,431−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−10,962−100.0%Sold out
Quarry LP0$00.00%−4,617−100.0%Sold out
Simplex Trading, LLC0$00.00%−1,417−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−561−100.0%Sold out
Spire Wealth Management0$00.00%−323−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−306−100.0%Sold out
Group One Trading, L.P.0$00.00%−241−100.0%Sold out
Jamison Private Wealth Management, Inc.0$00.00%−6,000−100.0%Sold out