Cornerstone Advisory’s Marathon Petroleum MPC Stock Holding History

Cornerstone Advisory’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	$283K	Buy	+716	New	+$248K	0.02%	232
2023 Q2	–	Sell	-1,532	Closed	-$207K	–	217
2023 Q1	$207K	Sell	1,532 -484	-24%	-$60.6K	0.04%	202
2022 Q4	$235K	Buy	2,016 +5	+0.2%	+$570	0.05%	182
2022 Q3	$200K	Buy	+2,011	New	+$188K	0.04%	191
2021 Q2	–	Sell	-8,100	Closed	-$433K	–	221
2021 Q1	$433K	Sell	8,100 -7,000	-46%	-$354K	0.08%	160
2020 Q4	$624K	Hold	15,100	–	–	0.13%	127
2020 Q3	$443K	Buy	+15,100	New	+$531K	0.1%	134

Other funds holding MPC

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

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

Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

US Bancorp Minneapolis, Minnesota $92B AUM 22.91% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $54.1B AUM 39.29% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

Mitsubishi UFJ Asset Management Tokyo, Japan $194B AUM 32.2% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return

Cornerstone Advisory's MPC Position: Q3 2026 in Review

Cornerstone Advisory opened a new position in Marathon Petroleum (MPC) in Q3 2026: 716 shares worth $283K. The stake represents 0.02% of the portfolio and ranks #232 among its holdings. This is a return to the name: Cornerstone Advisory previously reported a position in MPC as recently as Q1 2023.

Cornerstone Advisory first reported a position in MPC in Q3 2020 and has held it in 7 quarters since. The position peaked at $624K in Q4 2020. 1,331 funds tracked by Wall St. Rank hold MPC as of Q3 2026.

Cornerstone Advisory held 716 shares of Marathon Petroleum worth $283K as of Q3 2026.
Marathon Petroleum was a new Cornerstone Advisory position in Q3 2026.
Marathon Petroleum made up 0.02% of Cornerstone Advisory's portfolio in Q3 2026, its #232 holding.
Cornerstone Advisory first reported a position in Marathon Petroleum in Q3 2020 and has held it in 7 quarters since.
Cornerstone Advisory's Marathon Petroleum position peaked at $624K in Q4 2020.
1,331 funds tracked by Wall St. Rank held Marathon Petroleum as of Q3 2026.

Based on Cornerstone Advisory's 13F filing for Q3 2026, filed 6 Nov 2026.