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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — MTRX
Institutional Holdings
Insider Transactions
US Institutional Ownership
86.5%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
2.14M
$29.0M
7.75%
+125.2K
2026-06-30
NEEDHAM INVESTMENT MANAGEMENT LLC
1.44M
$19.0M
5.20%
--
2026-06-30
AMERICAN CENTURY COMPANIES INC
1.21M
$16.0M
4.37%
+225.2K
2026-06-30
GENDELL JEFFREY L
1.19M
$16.0M
4.32%
-38.8K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
1.19M
$16.0M
4.30%
-8.4K
2026-06-30
First Eagle Investment Management, LLC
990.2K
$13.0M
3.59%
+139.4K
2026-06-30
Harvey Partners, LLC
815.0K
$11.0M
2.95%
-90.0K
2026-06-30
TWO SIGMA INVESTMENTS, LP
748.1K
$10.0M
2.71%
--
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
721.3K
$9.0M
2.61%
+35.9K
2026-06-30
Azarias Capital Management, L.P.
673.7K
$9.0M
2.44%
-143.3K
2026-06-30
DIMENSIONAL FUND ADVISORS LP
665.3K
$9.0M
2.41%
+1.3K
2026-06-30
WESTERLY CAPITAL MANAGEMENT, LLC
595.9K
$8.0M
2.16%
-369.1K
2026-06-30
AQR CAPITAL MANAGEMENT LLC
594.2K
$8.0M
2.15%
+95.3K
2026-06-30
STATE STREET CORP
581.0K
$7.0M
2.10%
+35.5K
2026-06-30
FIRST WILSHIRE SECURITIES MANAGEMENT INC
517.1K
$7.0M
1.87%
-5.7K
2026-06-30
JPMORGAN CHASE & CO
460.5K
$6.0M
1.67%
+199.9K
2026-06-30
Bank of New York Mellon Corp
457.4K
$6.0M
1.66%
-9.5K
2026-06-30
CITADEL ADVISORS LLC
454.9K
$6.0M
1.65%
-28.0K
2026-06-30
MORGAN STANLEY
437.0K
$5.0M
1.58%
+134.3K
2026-06-30
JACOBS LEVY EQUITY MANAGEMENT, INC
325.8K
$4.0M
1.18%
-25.2K
2026-06-30
GOLDMAN SACHS GROUP INC
315.4K
$4.0M
1.14%
+43.0K
2026-06-30
PANAGORA ASSET MANAGEMENT INC
299.4K
$4.0M
1.08%
+143.2K
2026-06-30
Connor, Clark & Lunn Investment Management Ltd.
295.4K
$4.0M
1.07%
-67.7K
2026-06-30
D. E. Shaw & Co., Inc.
287.6K
$3.0M
1.04%
+218.1K
2026-06-30
Allspring Global Investments Holdings, LLC
283.5K
$3.0M
1.03%
+201.6K
2026-06-30
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