Plato Investment Management’s Marathon Petroleum MPC Stock Holding History

Plato Investment Management’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	$171K	Buy	699 +399	+133%	+$80.6K	0.01%	411
2025 Q4	$49K	Hold	300	–	–	﹤0.01%	436
2025 Q3	$57.4K	Hold	300	–	–	﹤0.01%	439
2025 Q2	$49.6K	Hold	300	–	–	﹤0.01%	451
2025 Q1	$44.2K	Hold	300	–	–	﹤0.01%	458
2024 Q4	$42K	Hold	300	–	–	﹤0.01%	503
2024 Q3	$48.8K	Hold	300	–	–	﹤0.01%	455
2024 Q2	$52K	Hold	300	–	–	﹤0.01%	397
2024 Q1	$60.5K	Sell	300 -1,617	-84%	-$277K	0.01%	366
2023 Q4	$284K	Buy	+1,917	New	+$285K	0.35%	78

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

Plato Investment Management's MPC Position: Q1 2026 in Review

Plato Investment Management increased its Marathon Petroleum (MPC) stake by 133% in Q1 2026, buying an estimated $80.6K and bringing the position to 699 shares worth $171K. The position accounts for 0.01% of the portfolio, ranked #411.

Plato Investment Management first reported a position in MPC in Q4 2023 and has held it in 10 quarters since. The position peaked at $284K in Q4 2023. 1,882 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

Plato Investment Management held 699 shares of Marathon Petroleum worth $171K as of Q1 2026.
Plato Investment Management bought 399 Marathon Petroleum shares in Q1 2026, an estimated $80.6K.
Marathon Petroleum made up 0.01% of Plato Investment Management's portfolio in Q1 2026, its #411 holding.
Plato Investment Management first reported a position in Marathon Petroleum in Q4 2023 and has held it in 10 quarters since.
Plato Investment Management's Marathon Petroleum position peaked at $284K in Q4 2023.
1,882 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on Plato Investment Management's 13F filing for Q1 2026, filed 5 May 2026.