Latest Period
Q1 2026
Security Snapshot
MATRIX SERVICE CO - Common Stock (MTRX) Institutional Ownership
CUSIP: 576853105
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
143
Shares (Excl. Options)
24,270,484
Price
$11.48
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- Type / Class
- Equity / Common Stock
- Symbol
- MTRX on Nasdaq
- Shares outstanding
- 28,246,015
- Price per share
- $11.48
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 24,270,484
- Total reported value
- $278,598,062
- % of total 13F portfolios
- 0%
- Share change
- -388,649
- Value change
- -$4,637,493
- Number of holders
- 143
- Price from insider filings
- $11.48
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- MTRX - MATRIX SERVICE CO - Common Stock is tracked under CUSIP 576853105.
- 143 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 144 to 143 between Q4 2025 and Q1 2026.
- Reported value moved from $287,285,981 to $278,598,062.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 143 institutions filings for Q1 2026.
Security key
576853105
Latest holder period
Q1 2026
13F holders
143
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
MTRX full holder history
MATRIX SERVICE CO SEC filings
MATRIX SERVICE CO company facts
MATRIX SERVICE CO insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 576853105:
Significant Owners of MATRIX SERVICE CO - Common Stock (MTRX) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 6.8% | -47% | $22,048,624 | -$18,051,222 | 1,920,729 | -45% | BlackRock, Inc. | 31 Mar 2026 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 5.2% | $16,415,200 | 1,420,000 | NEEDHAM INVESTMENT MANAGEMENT LLC | 31 Dec 2024 | |||
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 4.9% | $15,566,268 | 1,346,563 | First Wilshire Securities Management, Inc. | 31 Dec 2024 | |||
| Harvey Partners, LLC | 4.4% | $16,334,958 | 1,221,762 | HARVEY PARTNERS, LLC | 30 Jun 2025 | |||
| Azarias Capital Management, L.P. | 4.4% | -16% | $14,050,197 | -$2,544,980 | 1,215,415 | -15% | Azarias Capital Management, L.P. | 31 Dec 2024 |
As of 31 Mar 2026, 143 institutional investors reported holding 24,270,484 shares of MATRIX SERVICE CO - Common Stock (MTRX). This represents 86% of the company’s total 28,246,015 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of MATRIX SERVICE CO - Common Stock (MTRX) together control 64% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.1% | 2,014,217 | -45% | 0% | $23,123,210 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 5.1% | 1,435,000 | 0% | 0.84% | $16,473,800 |
| GENDELL JEFFREY L | 4.4% | 1,231,307 | +16% | 0.19% | $14,135,405 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 1,196,787 | 0% | 0% | $13,739,115 |
| AMERICAN CENTURY COMPANIES INC | 3.5% | 981,639 | +11% | 0.01% | $11,269,216 |
| WESTERLY CAPITAL MANAGEMENT, LLC | 3.4% | 965,000 | -2.3% | 3.4% | $11,078,200 |
| Harvey Partners, LLC | 3.2% | 905,000 | +6.1% | 0.84% | $10,389,400 |
| First Eagle Investment Management, LLC | 3% | 850,809 | +33% | 0.02% | $9,767,287 |
| Azarias Capital Management, L.P. | 2.9% | 817,021 | +12% | 4.2% | $9,379,401 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 685,373 | +2.6% | 0% | $7,870,488 |
| DIMENSIONAL FUND ADVISORS LP | 2.4% | 663,939 | -0.72% | 0% | $7,621,483 |
| TWO SIGMA INVESTMENTS, LP | 2.3% | 637,691 | +218% | 0.01% | $7,320,693 |
| STATE STREET CORP | 1.9% | 545,485 | +2.2% | 0% | $6,262,168 |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 1.9% | 522,838 | -15% | 1.4% | $6,002,180 |
| AQR CAPITAL MANAGEMENT LLC | 1.8% | 498,941 | +37% | 0% | $5,727,842 |
| MILLENNIUM MANAGEMENT LLC | 1.7% | 476,411 | -2.1% | 0% | $5,469,198 |
| ACADIAN ASSET MANAGEMENT LLC | 1.7% | 476,089 | +60% | 0.01% | $5,462,000 |
| CITADEL ADVISORS LLC | 1.7% | 472,047 | +107% | 0% | $5,419,099 |
| Bank of New York Mellon Corp | 1.7% | 466,897 | -5.4% | 0% | $5,359,971 |
| CenterBook Partners LP | 1.5% | 431,425 | -32% | 0.27% | $4,952,759 |
| Connor, Clark & Lunn Investment Management Ltd. | 1.3% | 363,108 | -6.1% | 0.01% | $4,168,480 |
| Russell Investments Group, Ltd. | 1.3% | 356,785 | -9% | 0% | $4,095,892 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 1.2% | 350,987 | +7.6% | 0.02% | $4,029,331 |
| MARSHALL WACE, LLP | 1.1% | 313,296 | +895% | 0% | $3,596,638 |
| JANE STREET GROUP, LLC | 1.1% | 313,175 | +186% | 0% | $3,595,249 |
Institutional Holders of MATRIX SERVICE CO - Common Stock (MTRX) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 24,270,484 | $278,598,062 | -$4,637,493 | $11.48 | 143 |
| 2025 Q4 | 24,539,335 | $287,285,981 | +$4,747,095 | $11.70 | 144 |
| 2025 Q3 | 23,881,790 | $312,413,487 | -$4,229,567 | $13.08 | 141 |
| 2025 Q2 | 24,150,626 | $326,275,956 | +$7,601,836 | $13.51 | 122 |
| 2025 Q1 | 23,606,176 | $293,418,340 | +$11,670,436 | $12.43 | 122 |
| 2024 Q4 | 22,750,630 | $272,325,291 | -$6,061,612 | $11.97 | 122 |
| 2024 Q3 | 23,275,853 | $268,339,192 | +$5,245,112 | $11.53 | 115 |
| 2024 Q2 | 22,584,088 | $224,269,662 | -$1,334,924 | $9.93 | 109 |
| 2024 Q1 | 22,426,330 | $292,219,540 | +$11,923,593 | $13.03 | 108 |
| 2023 Q4 | 21,367,971 | $208,980,108 | +$5,625,534 | $9.78 | 103 |
| 2023 Q3 | 20,676,940 | $243,987,352 | +$6,111,300 | $11.80 | 86 |
| 2023 Q2 | 20,749,803 | $122,211,535 | -$5,133,345 | $5.89 | 80 |
| 2023 Q1 | 21,709,219 | $117,032,494 | +$508,454 | $5.40 | 90 |
| 2022 Q4 | 21,318,485 | $132,625,538 | +$1,702,195 | $6.22 | 86 |
| 2022 Q3 | 20,951,703 | $86,738,038 | -$2,852,853 | $4.14 | 73 |
| 2022 Q2 | 21,003,864 | $106,282,117 | -$9,425,038 | $5.06 | 93 |
| 2022 Q1 | 22,777,170 | $187,348,530 | -$5,927,027 | $8.22 | 113 |
| 2021 Q4 | 23,707,877 | $178,281,774 | -$5,344,812 | $7.52 | 119 |
| 2021 Q3 | 22,824,362 | $238,682,423 | +$3,876,331 | $10.46 | 103 |
| 2021 Q2 | 22,429,004 | $235,601,660 | -$13,358,880 | $10.50 | 104 |
| 2021 Q1 | 23,467,097 | $307,791,168 | +$444,579 | $13.11 | 117 |
| 2020 Q4 | 23,476,629 | $259,040,304 | -$8,816,539 | $11.02 | 120 |
| 2020 Q3 | 24,579,516 | $205,140,416 | -$1,645,268 | $8.35 | 125 |
| 2020 Q2 | 24,691,661 | $239,577,508 | -$1,461,791 | $9.72 | 126 |
| 2020 Q1 | 24,864,408 | $235,505,891 | -$19,581,443 | $9.47 | 137 |
| 2019 Q4 | 25,287,516 | $578,472,300 | +$9,476,451 | $22.88 | 166 |
| 2019 Q3 | 24,923,346 | $427,286,013 | -$12,224,283 | $17.14 | 164 |
| 2019 Q2 | 25,588,869 | $517,800,380 | +$18,985,328 | $20.26 | 160 |
| 2019 Q1 | 25,092,651 | $491,303,890 | +$8,484,525 | $19.58 | 158 |
| 2018 Q4 | 24,717,211 | $443,443,839 | -$9,004,211 | $17.94 | 164 |
| 2018 Q3 | 24,997,004 | $615,972,011 | +$3,503,519 | $24.65 | 157 |
| 2018 Q2 | 25,026,481 | $459,279,845 | -$5,947,718 | $18.35 | 148 |
| 2018 Q1 | 25,151,622 | $344,632,041 | +$11,249,024 | $13.70 | 145 |
| 2017 Q4 | 24,589,262 | $437,943,085 | +$17,819,997 | $17.80 | 155 |
| 2017 Q3 | 23,596,615 | $358,631,695 | +$13,662,645 | $15.20 | 136 |
| 2017 Q2 | 23,108,030 | $216,034,740 | -$21,588,056 | $9.35 | 137 |
| 2017 Q1 | 24,053,415 | $396,952,600 | +$43,571,365 | $16.50 | 155 |
| 2016 Q4 | 24,154,645 | $548,288,051 | +$6,721,203 | $22.70 | 168 |
| 2016 Q3 | 24,028,989 | $450,299,960 | -$7,482,626 | $18.76 | 162 |
| 2016 Q2 | 24,554,501 | $404,924,240 | -$5,144,018 | $16.49 | 163 |
| 2016 Q1 | 25,308,395 | $447,941,681 | -$1,856,550 | $17.70 | 172 |
| 2015 Q4 | 25,289,788 | $519,414,054 | +$8,833,146 | $20.54 | 164 |
| 2015 Q3 | 24,829,969 | $557,888,917 | +$11,445,510 | $22.47 | 173 |
| 2015 Q2 | 24,607,055 | $449,835,225 | -$2,806,562 | $18.28 | 162 |
| 2015 Q1 | 24,796,733 | $435,624,536 | -$1,516,782 | $17.56 | 159 |
| 2014 Q4 | 24,400,490 | $544,395,856 | +$10,784,750 | $22.32 | 175 |
| 2014 Q3 | 24,727,763 | $596,411,118 | -$137,331 | $24.12 | 182 |
| 2014 Q2 | 23,970,980 | $785,428,440 | -$20,731,467 | $32.79 | 192 |
| 2014 Q1 | 24,555,705 | $828,872,838 | -$5,528,295 | $33.78 | 187 |