Investment Management Corp of Ontario

Position in MPC — Marathon Petroleum Corp

CIK 1811568 Toronto, Z4

Position in MPC

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$7,305,003

+$2,060,261 QoQ

Shares Held

28,572

+33.0% QoQ

Ownership

0.010%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

#338

of 1,924 holders

Holding Since

Dec 2022

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

Investment Management Corp of Ontario holds $29,263,899 across 3 Oil & Gas Refining & Marketing names. MPC ranks #2 (25.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VLO	Valero Energy Corp/Tx	67,740	$17,642,205
2	MPC	Marathon Petroleum Corp This page	28,572	$7,305,003
3	PSX	Phillips 66	25,535	$4,316,691

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$7,305,003	28,572	+33.0%	Shares	Sole	2026-08-14
2026-03-31	$5,244,742	21,479	-15.6%	Shares	Sole	2026-05-15
2025-12-31	$4,140,071	25,457	+75.7%	Shares	Sole	2026-02-17
2025-09-30	$2,792,995	14,491	+88.9%	Shares	Sole	2025-11-14
2025-06-30	$1,274,395	7,672	-15.4%	Shares	Sole	2025-08-14
2025-03-31	$1,321,699	9,072	-66.4%	Shares	Sole	2025-05-15
2024-12-31	$3,767,755	27,009	-26.3%	Shares	Sole	2025-02-14
2024-09-30	$5,972,280	36,660	+10.9%	Shares	Sole	2024-11-14
2024-06-30	$5,735,248	33,060	+28.1%	Shares	Sole	2024-08-14
2024-03-31	$5,200,312	25,808	-48.9%	Shares	Sole	2024-05-15
2023-12-31	$7,489,657	50,483	-28.9%	Shares	Sole	2024-02-14
2023-09-30	$10,738,632	70,957	+43.5%	Shares	Sole	2023-11-14
2023-06-30	$5,767,385	49,463	+5.4%	Shares	Sole	2023-08-14
2023-03-31	$6,326,358	46,921	-0.2%	Shares	Sole	2023-05-15
2022-12-31	$5,474,403	47,035	—	Shares	Sole	2023-02-14
No filing history on record for this holder in this stock.