Marshall Wace’s Marathon Petroleum MPC Stock Holding History

Marshall Wace’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
2023 Q2	–	Sell	-39,300	Closed	-$5.3M	–	2784
2023 Q1	$5.3M	Buy	39,300 +800	+2%	+$100K	0.01%	973
2022 Q4	$4.48M	Buy	38,500 +3,100	+9%	+$353K	0.01%	1262
2022 Q3	$3.52M	Buy	+35,400	New	+$3.31M	0.01%	1638
2022 Q1	–	Sell	-2,100	Closed	-$134K	–	3757
2021 Q4	$134K	Buy	2,100 +500	+31%	+$32.1K	﹤0.01%	3302
2021 Q3	$99K	Sell	1,600 -3,200	-67%	-$184K	﹤0.01%	2892
2021 Q2	$290K	Buy	4,800 +2,500	+109%	+$147K	﹤0.01%	2335
2021 Q1	$123K	Buy	+2,300	New	+$116K	﹤0.01%	2338

Other funds holding MPC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Marshall Wace's MPC Position: Q1 2026 in Review

Marshall Wace increased its Marathon Petroleum (MPC) stake by 64% in Q1 2026, buying an estimated $30.3M and bringing the position to 383,336 shares worth $93.6M. The position accounts for 0.09% of the portfolio, ranked #180.

Marshall Wace first reported a position in MPC in Q1 2014 and has held it in 30 quarters since. The position peaked at $106M in Q2 2022. 1,883 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

Marshall Wace held 383,336 shares of Marathon Petroleum worth $93.6M as of Q1 2026.
Marshall Wace bought 149,936 Marathon Petroleum shares in Q1 2026, an estimated $30.3M.
Marathon Petroleum made up 0.09% of Marshall Wace's portfolio in Q1 2026, its #180 holding.
Marshall Wace first reported a position in Marathon Petroleum in Q1 2014 and has held it in 30 quarters since.
Marshall Wace's Marathon Petroleum position peaked at $106M in Q2 2022.
1,883 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.