Does Citadel Advisors own COST stock?

Yes. As of its Q2 2026 13F, Citadel Advisors holds 509,661 shares of COST (Costco Wholesale), worth $476.8M.

How many shares of COST does Citadel Advisors own?

As of its Q2 2026 13F, Citadel Advisors holds 509,661 shares of COST (Costco Wholesale).

What is Citadel Advisors' COST position worth?

As of its Q2 2026 13F, Citadel Advisors' COST position is worth $476.8M.

Is Citadel Advisors buying or selling COST?

In Q2 2026, Citadel Advisors reduced its COST position by 35,134 shares (-6.5%).

When did Citadel Advisors first buy COST?

Citadel Advisors already held COST in its Q4 2018 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

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CITADEL ADVISORS LLC

COST
31 quarters

Position history for CITADEL ADVISORS LLC's holdings in COSTCO WHOLESALE CORPORATION

Current Value

$476.8M

Current Shares

509,661

Total Value Change

+$407.6M

Total Shares Change

+170,310

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	509,661	-6.5%	$476.8M	0.1%	$933.99	0
2026-Q1	Decreased	544,795	-11.4%	$542.9M	0.1%	$993.41	0
2025-Q4	Increased	614,618	+29.1%	$530M	0.1%	$858.55	39
2025-Q3	Increased	476,130	+783.5%	$440.7M	0.1%	$920.26	50
2025-Q2	Decreased	53,892	-89.8%	$53.3M	0.0%	$982.84	0
2025-Q1	Increased	526,275	+94.9%	$497.7M	0.1%	$937.77	50
2024-Q4	Increased	270,000	+738.0%	$247.4M	0.0%	$907.51	50
2024-Q3	New	32,220	-	$28.6M	0.0%	$876.88	40
2024-Q2	Exited	0	-100.0%	$0	0.0%	$839.55	0
2024-Q1	Decreased	124,182	-60.4%	$91M	0.0%	$722.47	0
2023-Q4	Increased	313,592	+264.6%	$207M	0.0%	$649.97	49
2023-Q3	Decreased	86,000	-61.8%	$48.6M	0.0%	$542.94	0
2023-Q2	Increased	225,225	+161.4%	$121.3M	0.0%	$516.42	49
2023-Q1	Decreased	86,160	-81.1%	$42.8M	0.0%	$475.61	0
2022-Q4	Increased	456,875	+58.4%	$208.6M	0.0%	$436.21	44
2022-Q3	Increased	288,515	+23.6%	$136.3M	0.0%	$450.47	37
2022-Q2	Decreased	233,491	-53.0%	$111.9M	0.0%	$456.37	0
2022-Q1	Increased	496,846	+635.4%	$286.1M	0.1%	$547.43	50
2021-Q4	Increased	67,562	+20.7%	$38.4M	0.0%	$538.86	35
2021-Q3	Decreased	55,979	-26.9%	$25.2M	0.0%	$425.84	0
2021-Q2	Decreased	76,550	-88.4%	$30.3M	0.0%	$374.26	0
2021-Q1	Increased	658,428	+49.0%	$232.1M	0.1%	$332.70	42
2020-Q4	Increased	441,772	+24.3%	$166.5M	0.0%	$354.93	37
2020-Q3	Increased	355,564	+48.0%	$126.2M	0.0%	$325.26	41
2020-Q2	Decreased	240,314	-53.9%	$72.9M	0.0%	$277.21	0
2020-Q1	Increased	520,908	+42.3%	$148.5M	0.1%	$260.08	41
2019-Q4	Decreased	366,115	-40.1%	$107.6M	0.0%	$267.54	0
2019-Q3	Increased	611,194	+30.4%	$176.1M	0.1%	$261.68	38
2019-Q2	Decreased	468,785	-43.1%	$123.9M	0.1%	$239.49	0
2019-Q1	Increased	823,515	+142.7%	$199.4M	0.1%	$218.85	49
2018-Q4	First report	339,351	-	$69.1M	0.0%	$183.62	0

Other major holders of COST: VANGUARD GROUP INC

COST31 quarters

COST
31 quarters