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Ownership — MPC
Institutional Holdings
Insider Transactions
US Institutional Ownership
77.9%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
26.01M
$6.65B
9.19%
+1.61M
2026-06-30
Vanguard Capital Management LLC
19.07M
$4.88B
6.74%
-95.8K
2026-06-30
State Street Corp
18.47M
$4.72B
6.53%
-553.1K
2026-06-30
Vanguard Portfolio Management LLC
15.63M
$4.00B
5.52%
-40.8K
2026-06-30
Geode Capital Management, LLC
8.35M
$2.13B
2.95%
+529.6K
2026-06-30
Morgan Stanley
5.89M
$1.50B
2.08%
-186.2K
2026-06-30
Raymond James Financial Inc
5.68M
$1.45B
2.01%
-88.8K
2026-06-30
FMR LLC
5.42M
$1.39B
1.92%
+508.6K
2026-06-30
Bank of New York Mellon Corp
4.03M
$1.03B
1.42%
+73.8K
2026-06-30
Boston Partners
3.52M
$905.0M
1.24%
-2.13M
2026-06-30
Wellington Management Group LLP
3.25M
$831.0M
1.15%
-2.39M
2026-06-30
Northern Trust Corp
3.13M
$799.0M
1.10%
-50.8K
2026-06-30
Dimensional Fund Advisors LP
3.06M
$781.0M
1.08%
-31.9K
2026-06-30
Goldman Sachs Group Inc
3.03M
$774.0M
1.07%
+91.9K
2026-06-30
JPMorgan Chase & Co
2.74M
$709.0M
0.97%
-461.6K
2026-06-30
Sixth Street Partners Management Company, L.P.
2.62M
$670.0M
0.93%
--
2026-06-30
Charles Schwab Investment Management Inc
2.62M
$670.0M
0.93%
-106.9K
2026-06-30
Norges Bank
2.47M
$630.0M
0.87%
-438.4K
2026-06-30
Bank of America Corp
2.43M
$621.0M
0.86%
-162.9K
2026-06-30
Invesco Ltd.
2.34M
$598.0M
0.83%
-487.6K
2026-06-30
Amundi
2.24M
$572.0M
0.79%
+332.6K
2026-06-30
Ameriprise Financial Inc
2.03M
$519.0M
0.72%
-193.4K
2026-06-30
UBS Group AG
1.95M
$497.0M
0.69%
+72.3K
2026-06-30
Price T Rowe Associates Inc
1.84M
$470.0M
0.65%
+556.8K
2026-06-30
Vanguard Fiduciary Trust Co
1.66M
$424.0M
0.59%
-1.7K
2026-06-30
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