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Ownership — MAS
Institutional Holdings
Insider Transactions
US Institutional Ownership
96.4%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
15.72M
$1.28B
7.79%
+99.1K
2026-06-30
Vanguard Capital Management LLC
13.18M
$1.07B
6.53%
-44.8K
2026-06-30
Vanguard Portfolio Management LLC
12.22M
$994.0M
6.06%
-132.1K
2026-06-30
State Street Corp
10.73M
$872.0M
5.32%
+766.7K
2026-06-30
Harris Associates L P
8.32M
$676.0M
4.12%
-277.8K
2026-06-30
JPMorgan Chase & Co
5.46M
$439.0M
2.71%
-599.7K
2026-06-30
Geode Capital Management, LLC
5.35M
$433.0M
2.65%
-4.4K
2026-06-30
Van Eck Associates Corp
4.71M
$382.0M
2.33%
-1.14M
2026-06-30
Boston Partners
4.61M
$374.0M
2.28%
+114.0K
2026-06-30
Massachusetts Financial Services Co
4.52M
$372.0M
2.24%
+198.6K
2026-06-30
Wellington Management Group LLP
3.79M
$308.0M
1.88%
-445.7K
2026-06-30
Beutel, Goodman & Co Ltd.
3.71M
$302.0M
1.84%
+545.4K
2026-06-30
Invesco Ltd.
3.58M
$291.0M
1.77%
-209.3K
2026-06-30
Northern Trust Corp
3.21M
$261.0M
1.59%
-68.1K
2026-06-30
Nordea Investment Management AB
3.09M
$249.0M
1.53%
-1.42M
2026-06-30
Morgan Stanley
2.72M
$221.0M
1.35%
-37.4K
2026-06-30
Nuveen, LLC
2.41M
$195.0M
1.19%
-648
2026-06-30
AQR Capital Management LLC
2.33M
$187.0M
1.15%
+1.32M
2026-06-30
Bank of America Corp
2.19M
$178.0M
1.09%
+187.0K
2026-06-30
Norges Bank
2.18M
$177.0M
1.08%
-887.9K
2026-06-30
Goldman Sachs Group Inc
2.16M
$176.0M
1.07%
+193.8K
2026-06-30
Holocene Advisors, LP
2.16M
$175.0M
1.07%
-462.4K
2026-06-30
Earnest Partners LLC
2.15M
$174.0M
1.07%
-30.4K
2026-06-30
Quantinno Capital Management LP
2.10M
$170.0M
1.04%
+556.0K
2026-06-30
Impax Asset Management Group plc
2.03M
$165.0M
1.01%
-345.4K
2026-06-30
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