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MTRX · Industrials · Engineering & Construction · Market cap $387M

2 funds in our archive have pitched MTRX — most recently Long Cast Advisers in March 2026.

Company profile

Matrix Service Company (MTRX), established in 1984 and headquartered in Tulsa, Oklahoma, operates as a diversified global contractor. The firm offers a comprehensive suite of services, including engineering, fabrication, infrastructure development, construction, and maintenance. It primarily caters to critical industries such as oil, gas, power generation, petrochemicals, manufacturing, agriculture, mining, and minerals. Matrix Service Company's operations extend across the United States, Canada, South Korea, Australia, and other international markets. The company organizes its activities into three principal segments: 1. Utility and Power Infrastructure: This division specializes in electrical power delivery systems. Its services encompass the construction of new substations, modernizing existing ones, installing and upgrading transmission and distribution lines, and providing essential maintenance. Furthermore, it offers critical emergency and storm restoration services and contributes to the construction and upkeep of combined cycle and other natural gas-fired power plants. 2. Process and Industrial Facilities: This segment focuses on a range of industrial processes. Key activities include crude oil refinement, as well as the processing, fractionation, and commercialization of natural gas and natural gas liquids. The services provided extend to plant maintenance, executing scheduled turnarounds, engineering support, specialized industrial cleaning, and new capital construction projects. 3. Storage and Terminal Solutions: This segment is dedicated to facilities for the storage and transfer of various commodities. It undertakes the engineering, fabrication, construction, and both planned and emergency maintenance and repair of aboveground storage tanks and terminals. Its expertise also covers specialized vessels such as those for liquefied natural gas (LNG), liquid nitrogen/oxygen (LN2/LOX), liquefied petroleum gas (LPG), and hydrogen, including spherical designs. Additionally, the segment handles marine structures and truck/rail loading and offloading facilities. Within these offerings, it also provides specific components and systems like geodesic domes, aluminum internal floating roofs, floating suction and skimmer systems, roof drain systems, and floating roof seals.

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Summarize with Warren AI
1
Reported positions
0
Bought
0
Sold
3
Letters

Position history

Between Q4 2025 and Q2 2026, 1 fund letter reported a position in MTRX, with no move described.

Fund letters reporting a position in MTRX, by quarter
QuarterLettersBoughtSoldTheses
Q2 20261000
Q1 20260001
Q4 20250001

Fund activity · 1 position

  • HoldsLong Cast Advisers Small- & Micro-Cap Concentrated Strategy
    June 2026
    Two other large holdings, MTRX and RSSS, are on June 30 fiscal years and won’t report earnings until late August or possibly September.
    Read the letterMTRX

Fund coverage · 2 theses

  • Long Cast Advisers
    March 2026

    MTRX is a small construction company with improving profitability, tailwinds, and potential for backlog and earnings growth at a low valuation.

    Read the full thesis
  • Long Cast Advisers
    December 2025

    Matrix Service Company could be rerated if profitability emerges against a large backlog, with potential incremental tailwinds from a resumption of heavy Venezuelan crude processing.

    Read the full thesis

Read every full thesis on MTRX

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