Question 1

How many shares of COST does CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM own?

Accepted Answer

As of 2026-Q2, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds 674,638 shares of COST (COSTCO WHOLESALE CORPORATION).

Question 2

What is CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's COST position worth?

Accepted Answer

As of 2026-Q2, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's COST position is worth $631.1M.

Question 3

Is CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM buying or selling COST?

Accepted Answer

In 2026-Q2, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM decreased their COST position (-1.8% change in shares).

Question 4

When did CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM first buy COST?

Accepted Answer

Based on available 13F filings, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM first reported a position in COST in 2018-Q4. They have held the position across 31 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	674,638	-1.8%	$631.1M	0.6%	$933.99	0
2026-Q1	Decreased	687,142	-2.2%	$684.7M	0.7%	$993.41	0
2025-Q4	Decreased	702,394	-1.2%	$605.7M	0.6%	$858.55	0
2025-Q3	Increased	710,609	+0.7%	$657.8M	0.7%	$920.26	45
2025-Q2	Increased	706,010	+0.5%	$698.9M	0.8%	$982.84	45
2025-Q1	Decreased	702,842	-0.5%	$664.7M	0.8%	$937.77	0
2024-Q4	Decreased	706,197	-2.5%	$647.1M	0.8%	$907.51	0
2024-Q3	Decreased	724,485	-0.2%	$642.3M	0.7%	$876.88	0
2024-Q2	Increased	726,012	+0.1%	$617.1M	0.8%	$839.55	44
2024-Q1	Increased	725,015	+1.0%	$531.2M	0.7%	$722.47	45
2023-Q4	Increased	717,796	+1.5%	$473.8M	0.7%	$649.97	45
2023-Q3	Decreased	707,208	-3.8%	$399.5M	0.6%	$542.94	0
2023-Q2	Decreased	735,241	-1.9%	$395.8M	0.6%	$516.42	0
2023-Q1	Decreased	749,463	-1.0%	$372.4M	0.6%	$475.61	0
2022-Q4	Increased	757,126	+1.1%	$345.6M	0.5%	$436.21	44
2022-Q3	Decreased	748,572	-1.1%	$353.5M	0.6%	$450.47	0
2022-Q2	Increased	757,096	+0.3%	$362.9M	0.6%	$456.37	44
2022-Q1	Decreased	754,464	-5.6%	$434.5M	0.6%	$547.43	0
2021-Q4	Decreased	799,060	-0.0%	$453.6M	0.5%	$538.86	0
2021-Q3	Decreased	799,225	-2.6%	$359.1M	0.5%	$425.84	0
2021-Q2	Decreased	820,542	-4.1%	$324.7M	0.4%	$374.26	0
2021-Q1	Decreased	855,329	-0.9%	$301.5M	0.4%	$332.70	0
2020-Q4	Increased	862,937	+0.9%	$325.1M	0.5%	$354.93	37
2020-Q3	Increased	855,029	+0.1%	$303.5M	0.5%	$325.26	37
2020-Q2	Decreased	854,413	-1.4%	$259.1M	0.5%	$277.21	0
2020-Q1	Decreased	866,082	-0.3%	$246.9M	0.5%	$260.08	0
2019-Q4	Increased	868,987	+7.6%	$255.4M	0.4%	$267.54	40
2019-Q3	Increased	807,402	+1.1%	$232.6M	0.5%	$261.68	37
2019-Q2	Increased	798,205	+7.8%	$210.9M	0.4%	$239.49	40
2019-Q1	Increased	740,787	+0.5%	$179.4M	0.4%	$218.85	36
2018-Q4	New	737,363	-	$150.2M	0.3%	$183.62	50

COST31 quarters

COST
31 quarters