Headlands Technologies’s Marathon Petroleum MPC Stock Holding History

Headlands Technologies’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 Q3	$389K	Buy	+984	New	+$340K	0.1%	141
2026 Q1	–	Sell	-5,226	Closed	-$850K	–	879
2025 Q4	$850K	Buy	+5,226	New	+$977K	0.07%	295
2024 Q3	–	Sell	-2,423	Closed	-$420K	–	1408
2024 Q2	$420K	Buy	2,423 +1,550	+178%	+$288K	0.04%	315
2024 Q1	$176K	Buy	+873	New	+$149K	0.04%	401
2023 Q4	–	Sell	-11,142	Closed	-$1.69M	–	1171
2023 Q3	$1.69M	Buy	11,142 +8,188	+277%	+$1.14M	0.83%	19
2023 Q2	$344K	Buy	+2,954	New	+$343K	0.11%	211

Other funds holding MPC

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $375B AUM 21.05% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Headlands Technologies's MPC Position: Q3 2026 in Review

Headlands Technologies opened a new position in Marathon Petroleum (MPC) in Q3 2026: 984 shares worth $389K. The stake represents 0.1% of the portfolio and ranks #141 among its holdings. This is a return to the name: Headlands Technologies previously reported a position in MPC as recently as Q4 2025.

Headlands Technologies first reported a position in MPC in Q2 2023 and has held it in 6 quarters since. The position peaked at $1.69M in Q3 2023. 1,972 funds tracked by Wall St. Rank hold MPC as of Q3 2026.

Headlands Technologies held 984 shares of Marathon Petroleum worth $389K as of Q3 2026.
Marathon Petroleum was a new Headlands Technologies position in Q3 2026.
Marathon Petroleum made up 0.1% of Headlands Technologies's portfolio in Q3 2026, its #141 holding.
Headlands Technologies first reported a position in Marathon Petroleum in Q2 2023 and has held it in 6 quarters since.
Headlands Technologies's Marathon Petroleum position peaked at $1.69M in Q3 2023.
1,972 funds tracked by Wall St. Rank held Marathon Petroleum as of Q3 2026.

Based on Headlands Technologies's 13F filing for Q3 2026, filed 13 Nov 2026.