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Ownership — MTRN
Institutional Holdings
Insider Transactions
US Institutional Ownership
95.9%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
3.47M
$1.03B
16.71%
+104.6K
2026-06-30
State Street Corp
1.46M
$433.0M
7.00%
+128.0K
2026-06-30
Vanguard Portfolio Management LLC
1.40M
$415.0M
6.72%
+46.6K
2026-06-30
Capital Research Global Investors
1.00M
$297.0M
4.81%
+210.6K
2026-06-30
Vanguard Capital Management LLC
937.6K
$278.0M
4.51%
+9.7K
2026-06-30
American Century Companies Inc
616.0K
$183.0M
2.96%
-266.7K
2026-06-30
Geode Capital Management, LLC
591.0K
$175.0M
2.84%
+87.0K
2026-06-30
Dimensional Fund Advisors LP
578.0K
$171.0M
2.78%
-307.2K
2026-06-30
Fisher Asset Management, LLC
495.2K
$147.0M
2.38%
+53.2K
2026-06-30
Barrow Hanley Mewhinney & Strauss LLC
446.1K
$132.0M
2.15%
-83.8K
2026-06-30
Morgan Stanley
411.1K
$122.0M
1.98%
-13.3K
2026-06-30
Price T Rowe Associates Inc
329.3K
$97.0M
1.58%
+304.9K
2026-06-30
Segall Bryant & Hamill, LLC
314.0K
$93.0M
1.51%
-46.5K
2026-06-30
MIRAE ASSET GLOBAL ETFS Holdings Ltd.
281.7K
$83.0M
1.35%
--
2026-06-30
Sixth Street Partners Management Company, L.P.
271.0K
$80.0M
1.30%
--
2026-06-30
Charles Schwab Investment Management Inc
271.0K
$80.0M
1.30%
-21.6K
2026-06-30
Northern Trust Corp
264.7K
$78.0M
1.27%
+16.9K
2026-06-30
Raymond James Financial Inc
245.4K
$72.0M
1.18%
-47.2K
2026-06-30
Goldman Sachs Group Inc
235.8K
$70.0M
1.13%
+119.0K
2026-06-30
Nuveen, LLC
228.6K
$67.0M
1.10%
+85.4K
2026-06-30
Copeland Capital Management, LLC
227.7K
$67.0M
1.10%
-37.6K
2026-06-30
Harvey Partners, LLC
220.1K
$65.0M
1.06%
-73.1K
2026-06-30
Trigran Investments, Inc.
219.9K
$65.0M
1.06%
-114.1K
2026-06-30
Invesco Ltd.
200.1K
$59.0M
0.96%
+20.9K
2026-06-30
Bank of America Corp
173.1K
$51.0M
0.83%
+54.5K
2026-06-30
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