HHMI
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Howard Hughes Medical Institute’s Marathon Petroleum MPC Stock Holding History

Howard Hughes Medical Institute’s Portfolio MPC Stock Details MPC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-65
Closed -$10.6K – 323
2025
Q4 		$10.6K Sell
65
-1
-2% -$187 0.01% 204
2025
Q3 		$12.7K Sell
66
-2
-3% -$352 0.01% 173
2025
Q2 		$11.3K Buy
+68
New +$10.2K ﹤0.01% 178
2017
Q3 		– Sell
-61,352
Closed -$3.21M – 90
2017
Q2 		$3.21M Buy
61,352
+5,561
+10% +$287K 0.59% 43
2017
Q1 		$2.82M Buy
55,791
+37,715
+209% +$1.88M 0.52% 44
2016
Q4 		$910K Buy
+18,076
New +$821K 0.21% 73
2014
Q4 		– Sell
-1,484
Closed -$63K – 185
2014
Q3 		$63K Buy
+1,484
New +$63K 0.01% 149

Other funds holding MPC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Howard Hughes Medical Institute's MPC Position: Q1 2026 in Review

Howard Hughes Medical Institute sold out of Marathon Petroleum (MPC) in Q1 2026, closing a stake of 65 shares — an estimated $10.6K sold.

Howard Hughes Medical Institute first reported a position in MPC in Q3 2014 and held it in 7 quarters. The position peaked at $3.21M in Q2 2017. 1,892 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • Howard Hughes Medical Institute reported no remaining Marathon Petroleum position as of Q1 2026 after selling out during the quarter.
  • Howard Hughes Medical Institute sold 65 Marathon Petroleum shares in Q1 2026, an estimated $10.6K.
  • Howard Hughes Medical Institute first reported a position in Marathon Petroleum in Q3 2014 and held it in 7 quarters.
  • Howard Hughes Medical Institute's Marathon Petroleum position peaked at $3.21M in Q2 2017.
  • 1,892 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on Howard Hughes Medical Institute's 13F filing for Q1 2026, filed 15 May 2026.