Question 1

How many shares of COST does BlackRock, Inc. own?

Accepted Answer

As of 2026-Q1, BlackRock, Inc. holds 34.9M shares of COST (COSTCO WHOLESALE CORPORATION).

Question 2

What is BlackRock, Inc.'s COST position worth?

Accepted Answer

As of 2026-Q1, BlackRock, Inc.'s COST position is worth $34.8B.

Question 3

Is BlackRock, Inc. buying or selling COST?

Accepted Answer

In 2026-Q1, BlackRock, Inc. decreased their COST position (-0.4% change in shares).

Question 4

When did BlackRock, Inc. first buy COST?

Accepted Answer

Based on available 13F filings, BlackRock, Inc. first reported a position in COST in 2024-Q4. They have held the position across 6 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	34.9M	-0.4%	$34.8B	0.6%	$1,007.77	0
2025-Q4	Increased	35.1M	+0.9%	$30.3B	0.5%	$864.47	45
2025-Q3	Decreased	34.8M	-2.3%	$32.2B	0.6%	$914.33	0
2025-Q2	Increased	35.6M	+1.9%	$35.2B	0.7%	$981.05	46
2025-Q1	Increased	34.9M	+0.5%	$33B	0.7%	$924.59	45
2024-Q4	New	34.8M	-	$31.9B	0.6%	$916.17	62

COST6 quarters

COST
6 quarters