Matrix Service Co. 13F holders
150 funds reported a position in Matrix Service Co. in their 13F for the quarter ended 30 June 2026, together 25.9 million shares worth $355.0 million. Against the quarter before, 21 opened a position, 65 added, 41 trimmed and 14 sold out; together they bought a net 399,501 shares. The largest holders: BlackRock, Inc., First Eagle Investment Management, LLC and Needham Investment Management LLC.
Funds holding150+6 on Q1 2026
Shares they held25.9Mworth $355.0 million
Net bought on the quarter399,501 sharesabout $5.5 million at the funds' values
Funds buying to selling86 to 55opened or added, to cut or sold
Opened 21Added 65Held 23Trimmed 41Sold out 14
What each fund did in MTRX against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in MTRX in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 27 reported a position in Matrix Service Co.: 3 opened one, 7 added, 9 trimmed and 4 sold out, a net 142,373 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 8 reported a position in Matrix Service Co. in a 13F for the quarter ended 30 June 2026. The largest: Two Sigma Investments, 748,118 shares worth $10.2 million, 0.0% of its reported book. In the quarter, 5 funds added or opened a position and 2 trimmed or sold out; together they sold a net 178,964 shares, about $2.5 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Two Sigma Investments | 748,118 | $10.2 million | 0.0% | +110,427 | added | 30 June 2026 | 13F |
| Geode Capital Management | 721,322 | $9.9 million | 0.0% | +35,949 | added | 30 June 2026 | 13F |
| Citadel Advisors | 426,023 | $5.8 million | 0.0% | -46,024 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 282,559 | $3.9 million | 0.0% | +26,759 | added | 30 June 2026 | 13F |
| Millennium Management | 135,823 | $1.9 million | 0.0% | -340,588 | trimmed | 30 June 2026 | 13F |
| Norges Bank | 126,500 | $1.7 million | 0.0% | held | 30 June 2026 | 13F | |
| Point72 Asset Management | 56,591 | $775,297 | 0.0% | +34,329 | added | 30 June 2026 | 13F |
| FMR LLC | 892 | $12,221 | 0.0% | +184 | added | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 2,139,456 | 8.25% | $29.3 million | 0.00% | +125,239 | 13F |
| First Eagle Investment Management, LLC | 1,980,434 | 7.63% | $27.1 million | 0.02% | 13F | |
| Needham Investment Management LLC | 1,435,000 | 5.53% | $19.7 million | 0.59% | no change | 13F |
| American Century Companies Inc. | 1,206,822 | 4.65% | $16.5 million | 0.01% | +225,183 | 13F |
| Gendell Jeffrey L | 1,192,529 | 4.60% | $16.3 million | 0.15% | -38,778 | 13F |
| Vanguard Capital Management LLC | 1,188,393 | 4.58% | $16.3 million | 0.00% | -8,394 | 13F |
| Acadian Asset Management LLC | 871,501 | 3.36% | $11.9 million | 0.01% | +395,412 | 13F |
| Harvey Partners, LLC | 815,023 | 3.14% | $11.2 million | 0.77% | -89,977 | 13F |
| Two Sigma Investments, LP | 748,118 | 2.88% | $10.2 million | 0.01% | +110,427 | 13F |
| Geode Capital Management, LLC | 721,322 | 2.78% | $9.9 million | 0.00% | +35,949 | 13F |
| Azarias Capital Management, L.P. | 673,692 | 2.60% | $9.2 million | 4.02% | -143,329 | 13F |
| Dimensional Fund Advisors LP | 665,266 | 2.56% | $9.1 million | 0.00% | +1,327 | 13F |
| Westerly Capital Management, LLC | 595,930 | 2.30% | $8.2 million | 1.51% | -369,070 | 13F |
| AQR Capital Management LLC | 594,197 | 2.29% | $8.1 million | 0.00% | +95,256 | 13F |
| State Street Corp. | 581,006 | 2.24% | $8.0 million | 0.00% | +35,521 | 13F |
| First Wilshire Securities Management Inc. | 517,121 | 1.99% | $7.1 million | 1.46% | -5,717 | 13F |
| JPMorgan Chase & Co. | 460,466 | 1.78% | $6.3 million | 0.00% | +185,159 | 13F |
| Bank of New York Mellon Corp | 457,365 | 1.76% | $6.3 million | 0.00% | -9,532 | 13F |
| Morgan Stanley | 437,019 | 1.68% | $6.0 million | 0.00% | +134,321 | 13F |
| Citadel Advisors LLC | 426,023 | 1.64% | $5.8 million | 0.00% | -46,024 | 13F |
| Jacobs Levy Equity Management, Inc. | 325,825 | 1.26% | $4.5 million | 0.02% | -25,162 | 13F |
| Goldman Sachs Group Inc. | 315,376 | 1.22% | $4.3 million | 0.00% | +42,986 | 13F |
| Panagora Asset Management Inc. | 299,431 | 1.15% | $4.1 million | 0.01% | +143,163 | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | 295,422 | 1.14% | $4.0 million | 0.01% | -67,686 | 13F |
| D. E. Shaw & Co., Inc. | 287,612 | 1.11% | $3.9 million | 0.00% | +218,071 | 13F |
| Renaissance Technologies LLC | 282,559 | 1.09% | $3.9 million | 0.01% | +26,759 | 13F |
| BNP Paribas Financial Markets | 279,195 | 1.08% | $3.8 million | 0.00% | +107,603 | 13F |
| Allspring Global Investments Holdings, LLC | 283,513 | 1.09% | $3.8 million | 0.01% | +201,594 | 13F |
| Russell Investments Group, Ltd. | 266,486 | 1.03% | $3.7 million | 0.00% | -90,299 | 13F |
| De Lisle Partners LLP | 258,790 | 1.00% | $3.5 million | 0.39% | no change | 13F |
| Northern Trust Corp. | 254,670 | 0.98% | $3.5 million | 0.00% | +14,118 | 13F |
| Algert Global LLC | 244,585 | 0.94% | $3.4 million | 0.04% | +52,060 | 13F |
| Vanguard Portfolio Management LLC | 235,777 | 0.91% | $3.2 million | 0.00% | +47,616 | 13F |
| Qube Research & Technologies Ltd | 225,869 | 0.87% | $3.1 million | 0.00% | +5,293 | 13F |
| Marshall Wace, LLP | 223,310 | 0.86% | $3.1 million | 0.00% | -89,986 | 13F |
| Man Group plc | 194,010 | 0.75% | $2.7 million | 0.01% | +155,189 | 13F |
| Vanguard Fiduciary Trust Co. | 189,639 | 0.73% | $2.6 million | 0.00% | +8,301 | 13F |
| Gsa Capital Partners LLP | 182,277 | 0.70% | $2.5 million | 0.16% | -3,257 | 13F |
| CenterBook Partners LP | 154,058 | 0.59% | $2.1 million | 0.10% | -277,367 | 13F |
| Millennium Management LLC | 135,823 | 0.52% | $1.9 million | 0.00% | -340,588 | 13F |
| Norges Bank | 126,500 | 0.49% | $1.7 million | 0.00% | 13F | |
| Trexquant Investment LP | 122,418 | 0.47% | $1.7 million | 0.01% | new | 13F |
| Royal Bank of Canada | 118,126 | 0.46% | $1.6 million | 0.00% | +17,429 | 13F |
| Prescott Group Capital Management, L.L.C. | 114,392 | 0.44% | $1.6 million | 0.14% | -9,000 | 13F |
| Jane Street Group, LLC | 106,381 | 0.41% | $1.5 million | 0.00% | -206,794 | 13F |
| Money Concepts Capital Corp. | 103,723 | 0.40% | $1.4 million | 0.07% | -526 | 13F |
| AllianceBernstein L.P. | 116,280 | 0.45% | $1.3 million | 0.00% | +2,540 | 13F |
| Cary Street Partners Financial LLC | 96,510 | 0.37% | $1.3 million | 0.03% | +2,470 | 13F |
| Walleye Capital LLC | 96,242 | 0.37% | $1.3 million | 0.01% | +72,118 | 13F |
| Charles Schwab Investment Management Inc. | 87,394 | 0.34% | $1.2 million | 0.00% | +16,606 | 13F |
The 50 largest of the 150 funds that reported a position in MTRX in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on MTRX
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 28,900 | $395,930 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 7 April 2026 | 13G/A | BlackRock, Inc. and 1 other | 1.9 million | 6.8% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 21 January 2026 | 13G/A | BlackRock, Inc. and 1 other | 3.5 million | 12.4% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.