How many shares of COST does Mariner, LLC own?

As of 2026-Q2, Mariner, LLC holds 419,996 shares of COST (COSTCO WHOLESALE CORP).

What is Mariner, LLC's COST position worth?

As of 2026-Q2, Mariner, LLC's COST position is worth $392.9M.

Is Mariner, LLC buying or selling COST?

In 2026-Q2, Mariner, LLC decreased their COST position (-3.9% change in shares).

When did Mariner, LLC first buy COST?

Based on available 13F filings, Mariner, LLC first reported a position in COST in 2018-Q4. They have held the position across 31 quarters.

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Mariner, LLC

COST
31 quarters

Position history for Mariner, LLC's holdings in COSTCO WHOLESALE CORP

Current Value

$392.9M

Current Shares

419,996

Total Value Change

+$381.8M

Total Shares Change

+365,636

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	419,996	-3.9%	$392.9M	0.4%	$933.99	0
2026-Q1	Increased	437,088	+10.3%	$435.5M	0.5%	$993.41	49
2025-Q4	Decreased	396,333	-0.9%	$341.8M	0.4%	$858.55	0
2025-Q3	Increased	399,894	+1.5%	$370.1M	0.5%	$920.26	38
2025-Q2	Increased	393,957	+10.3%	$390M	0.6%	$982.84	48
2025-Q1	Increased	357,112	+0.3%	$337.7M	0.6%	$937.77	44
2024-Q4	Increased	356,151	+2.6%	$326.3M	0.5%	$907.51	45
2024-Q3	Decreased	347,119	-5.0%	$307.7M	0.5%	$876.88	0
2024-Q2	Increased	365,543	+2.2%	$310.7M	0.6%	$839.55	45
2024-Q1	Increased	357,684	+1.0%	$262M	0.5%	$722.47	44
2023-Q4	Increased	354,030	+0.2%	$233.7M	0.6%	$649.97	43
2023-Q3	Increased	353,223	+4.7%	$199.6M	0.5%	$542.94	45
2023-Q2	Increased	337,270	+3.4%	$181.6M	0.5%	$516.42	38
2023-Q1	Increased	326,237	+3.5%	$162.1M	0.5%	$475.61	38
2022-Q4	Increased	315,242	+1.2%	$143.9M	0.5%	$436.21	37
2022-Q3	Increased	311,484	+6.1%	$147.1M	0.6%	$450.47	45
2022-Q2	Increased	293,509	+16.6%	$140.7M	0.6%	$456.37	49
2022-Q1	Increased	251,817	+11.5%	$145M	0.5%	$547.43	48
2021-Q4	Increased	225,869	+10.4%	$128.2M	0.5%	$538.86	47
2021-Q3	Increased	204,497	+7.2%	$91.9M	0.5%	$425.84	38
2021-Q2	Increased	190,728	+8.1%	$75.5M	0.5%	$374.26	38
2021-Q1	Increased	176,507	+129.1%	$62.2M	0.4%	$332.70	57
2020-Q4	Increased	77,034	+11.6%	$29M	0.2%	$354.93	38
2020-Q3	Increased	69,024	+3.1%	$24.5M	0.2%	$325.26	35
2020-Q2	Increased	66,915	+8.8%	$20.3M	0.2%	$277.21	37
2020-Q1	Decreased	61,526	-7.4%	$17.6M	0.2%	$260.08	0
2019-Q4	Increased	66,415	+9.0%	$19.5M	0.2%	$267.54	37
2019-Q3	Decreased	60,928	-0.7%	$17.6M	0.2%	$261.68	0
2019-Q2	Decreased	61,362	-5.8%	$16.2M	0.2%	$239.49	0
2019-Q1	Increased	65,154	+19.9%	$15.8M	0.2%	$218.85	40
2018-Q4	New	54,360	-	$11.1M	0.2%	$183.62	46

Other major holders of COST: VANGUARD GROUP INC

COST31 quarters

COST
31 quarters