Islay Capital Management’s Marathon Petroleum MPC Stock Holding History

Islay Capital 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 Q2	$1.18M	Buy	4,605 +1,229	+36%	+$302K	0.54%	48
2026 Q1	$824K	Hold	3,376	–	–	0.42%	53
2025 Q4	$549K	Hold	3,376	–	–	0.32%	71
2025 Q3	$651K	Sell	3,376 -1,257	-27%	-$221K	0.37%	61
2025 Q2	$770K	Hold	4,633	–	–	0.5%	70
2025 Q1	$675K	Sell	4,633 -3,255	-41%	-$482K	0.46%	67
2024 Q4	$1.1M	Buy	7,888 +604	+8%	+$92.2K	0.76%	35
2024 Q3	$1.19M	Buy	7,284 +266	+4%	+$45K	0.8%	43
2024 Q2	$1.22M	Sell	7,018 -705	-9%	-$131K	0.88%	43
2024 Q1	$1.56M	Sell	7,723 -1,132	-13%	-$194K	1.16%	22
2023 Q4	$1.31M	Buy	8,855 +442	+5%	+$65.6K	1.01%	26
2023 Q3	$1.27M	Buy	8,413 +3,028	+56%	+$422K	1.07%	22
2023 Q2	$628K	Sell	5,385 -2,665	-33%	-$310K	0.55%	64
2023 Q1	$1.09M	Buy	8,050 +1,093	+16%	+$137K	1.06%	21
2022 Q4	$810K	Hold	6,957	–	–	0.93%	28
2022 Q3	$691K	Sell	6,957 -88	-1%	-$8.24K	0.82%	32
2022 Q2	$579K	Sell	7,045 -1,216	-15%	-$114K	0.6%	42
2022 Q1	$706K	Buy	8,261 +540	+7%	+$41.1K	0.59%	41
2021 Q4	$494K	Sell	7,721 -194	-2%	-$12.5K	0.37%	51
2021 Q3	$489K	Buy	7,915 +363	+5%	+$20.9K	0.38%	53
2021 Q2	$456K	Buy	7,552 +326	+5%	+$19.1K	0.37%	54
2021 Q1	$387K	Sell	7,226 -3,619	-33%	-$183K	0.32%	56
2020 Q4	$449K	Sell	10,845 -2,769	-20%	-$99.4K	0.41%	49
2020 Q3	$399K	Sell	13,614 -2,259	-14%	-$79.4K	0.41%	47
2020 Q2	$593K	Sell	15,873 -591	-4%	-$19K	0.69%	37
2020 Q1	$389K	Hold	16,464	–	–	0.51%	40
2019 Q4	$992K	Buy	+16,464	New	+$1.03M	0.95%	24

Other funds holding MPC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Islay Capital Management's MPC Position: Q2 2026 in Review

Islay Capital Management increased its Marathon Petroleum (MPC) stake by 36% in Q2 2026, buying an estimated $302K and bringing the position to 4,605 shares worth $1.18M. The position accounts for 0.54% of the portfolio, ranked #48.

Islay Capital Management first reported a position in MPC in Q4 2019 and has held it in 27 quarters since. The position peaked at $1.56M in Q1 2024. 1,948 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

Islay Capital Management held 4,605 shares of Marathon Petroleum worth $1.18M as of Q2 2026.
Islay Capital Management bought 1,229 Marathon Petroleum shares in Q2 2026, an estimated $302K.
Marathon Petroleum made up 0.54% of Islay Capital Management's portfolio in Q2 2026, its #48 holding.
Islay Capital Management first reported a position in Marathon Petroleum in Q4 2019 and has held it in 27 quarters since.
Islay Capital Management's Marathon Petroleum position peaked at $1.56M in Q1 2024.
1,948 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Islay Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.