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Who owns Matrix Service (MTRX) stock

145 funds reported Matrix Service (MTRX) shares in their latest 13F filings, worth $359M in all. The largest holder is BlackRock ($29.3M). Last quarter 79 funds added to their stakes and 52 cut them.

Largest holders of MTRX (13F)Largest holders of MTRX (13F)BlackRock$29.3MFirst Eagle Investment Management…$27.1MNeedham Investment Management LLC$19.7MVanguard Group$17.9MAmerican Century Companies$16.5MGendell Jeffrey L$16.3MVanguard Capital Management LLC$16.3MAcadian Asset Management LLC$11.9MHarvey Partners, LLC$11.2MTwo Sigma Investments, LP$10.2M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock2,139,456$29.3Mincrease2026-06-30
First Eagle Investment Management, LLC1,980,434$27.1Mincrease2026-06-30
Needham Investment Management LLC1,435,000$19.7Munchanged2026-06-30
Vanguard Group1,526,777$17.9Mincrease2025-12-31
American Century Companies1,206,822$16.5Mincrease2026-06-30
Gendell Jeffrey L1,192,529$16.3Mdecrease2026-06-30
Vanguard Capital Management LLC1,188,393$16.3Mdecrease2026-06-30
Acadian Asset Management LLC871,501$11.9Mincrease2026-06-30
Harvey Partners, LLC815,023$11.2Mdecrease2026-06-30
Two Sigma Investments, LP748,118$10.2Mincrease2026-06-30
Geode Capital Management, LLC721,322$9.9Mincrease2026-06-30
Dimensional Fund Advisors LP665,266$9.1Mincrease2026-06-30
Westerly Capital Management, LLC595,930$8.2Mdecrease2026-06-30
AQR Capital Management LLC594,197$8.1Mincrease2026-06-30
State Street581,006$8.0Mincrease2026-06-30

Matrix Service's latest quarter

Matrix Service, Q1 FY27: revenue $219M (+4% year over year), operating margin 2.0%, net earnings $6.2M, operating cash flow −$37.0M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most MTRX stock?

By the latest 13F filings: BlackRock ($29.3M); First Eagle Investment Management, LLC ($27.1M); Needham Investment Management LLC ($19.7M); Vanguard Group ($17.9M); American Century Companies ($16.5M).

What is the short interest in MTRX?

1,508,682 shares were sold short at the 2026-10-15 settlement, 31.69% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.