Question 1

Does Bank of Montreal own MPC stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Bank of Montreal holds 483,814 shares of MPC (Marathon Petroleum), worth $123.7M.

Question 2

How many shares of MPC does Bank of Montreal own?

Accepted Answer

As of its Q2 2026 13F, Bank of Montreal holds 483,814 shares of MPC (Marathon Petroleum).

Question 3

What is Bank of Montreal's MPC position worth?

Accepted Answer

As of its Q2 2026 13F, Bank of Montreal's MPC position is worth $123.7M.

Question 4

Is Bank of Montreal buying or selling MPC?

Accepted Answer

In Q2 2026, Bank of Montreal reduced its MPC position by 44,657 shares (-8.5%).

Question 5

When did Bank of Montreal first buy MPC?

Accepted Answer

Bank of Montreal already held MPC in its Q4 2020 13F, the earliest on record, and has listed it in 23 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	483,814	-8.4%	$123.7M	0.0%	$254.97	0
2026-Q1	Increased	528,471	+2.5%	$129M	0.0%	$242.59	31
2025-Q4	Decreased	515,511	-2.8%	$83.8M	0.0%	$160.76	0
2025-Q3	Increased	530,273	+17.2%	$102.2M	0.0%	$189.57	35
2025-Q2	Decreased	452,289	-6.6%	$75.1M	0.0%	$162.48	0
2025-Q1	Decreased	484,155	-15.7%	$70.5M	0.0%	$141.70	0
2024-Q4	Decreased	574,464	-56.8%	$80.1M	0.0%	$134.90	0
2024-Q3	Increased	1.3M	+45.4%	$217.6M	0.1%	$156.64	42