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Business Summary
Filings
Ownership
Valuation
Ownership — MMSI
Institutional Holdings
Insider Transactions
US Institutional Ownership
100.0%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
9.46M
$656.0M
15.85%
+630.2K
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
3.47M
$240.0M
5.82%
-49.3K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
2.59M
$179.0M
4.34%
-65.7K
2026-06-30
STATE STREET CORP
2.47M
$171.0M
4.14%
+113.5K
2026-06-30
Conestoga Capital Advisors, LLC
1.98M
$137.0M
3.32%
-187.7K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
1.63M
$112.0M
2.72%
+117.6K
2026-06-30
FULLER & THALER ASSET MANAGEMENT, INC.
1.61M
$111.0M
2.70%
-502.5K
2026-06-30
DIMENSIONAL FUND ADVISORS LP
1.46M
$101.0M
2.44%
+221.5K
2026-06-30
UBS Group AG
1.36M
$94.0M
2.27%
+155.0K
2026-06-30
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
1.28M
$88.0M
2.14%
+80.9K
2026-06-30
CONGRESS ASSET MANAGEMENT CO
1.18M
$82.0M
1.98%
+155.1K
2026-06-30
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
1.14M
$78.0M
1.91%
+360.3K
2026-06-30
Greenhouse Funds LLLP
1.07M
$74.0M
1.80%
-50.3K
2026-06-30
CITIGROUP INC
1.02M
$70.0M
1.71%
-40.2K
2026-06-30
FMR LLC
1.01M
$70.0M
1.70%
+7.9K
2026-06-30
WESTWOOD HOLDINGS GROUP INC
1.01M
$70.0M
1.69%
+64.9K
2026-06-30
MORGAN STANLEY
1.01M
$69.0M
1.69%
-254.1K
2026-06-30
NEUBERGER BERMAN GROUP LLC
1.00M
$69.0M
1.68%
+996.6K
2026-06-30
MAVERICK CAPITAL LTD
978.6K
$67.0M
1.64%
+264.5K
2026-06-30
PRICE T ROWE ASSOCIATES INC /MD/
958.7K
$66.0M
1.61%
+303.8K
2026-06-30
CITADEL ADVISORS LLC
921.5K
$63.0M
1.54%
-41.3K
2026-06-30
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
743.9K
$51.0M
1.25%
+68.5K
2026-06-30
Sixth Street Partners Management Company, L.P.
743.9K
$51.0M
1.25%
--
2026-06-30
NORGES BANK
711.2K
$49.0M
1.19%
-150.6K
2026-06-30
NORTHERN TRUST CORP
709.3K
$49.0M
1.19%
+27.4K
2026-06-30
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