Question 1

Does Markel Group own COST stock?

Accepted Answer

Yes. As of its Q3 2026 13F, Markel Group holds 33,748 shares of COST (Costco Wholesale), worth $30.7M.

Question 2

How many shares of COST does Markel Group own?

Accepted Answer

As of its Q3 2026 13F, Markel Group holds 33,748 shares of COST (Costco Wholesale).

Question 3

What is Markel Group's COST position worth?

Accepted Answer

As of its Q3 2026 13F, Markel Group's COST position is worth $30.7M.

Question 4

Is Markel Group buying or selling COST?

Accepted Answer

In Q3 2026, Markel Group reduced its COST position by 5,402 shares (-13.8%).

Question 5

When did Markel Group first buy COST?

Accepted Answer

Markel Group already held COST in its Q1 2019 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q3 Latest	Decreased	33,748	-13.8%	$30.7M	0.2%	$909.00
2026-Q2	Unchanged	39,150	0.0%	$36.6M	0.3%	$932.61
2026-Q1	Unchanged	39,150	0.0%	$39M	0.3%	$991.94
2025-Q4	Unchanged	39,150	0.0%	$33.8M	0.3%	$857.28
2025-Q3	Unchanged	39,150	0.0%	$36.2M	0.3%	$918.90
2025-Q2	Unchanged	39,150	0.0%	$38.8M	0.3%	$981.39
2025-Q1	Unchanged	39,150	0.0%	$37M	0.3%	$936.39
2024-Q4	Unchanged	39,150	0.0%	$35.9M	0.3%	$906.17
2024-Q3	Unchanged	39,150	0.0%	$34.7M	0.3%	$875.58