Question 1

Does California State Teachers Retirement System own COST stock?

Accepted Answer

Yes. As of its Q2 2026 13F, California State Teachers Retirement System holds 674,638 shares of COST (Costco Wholesale), worth $631.1M.

Question 2

How many shares of COST does California State Teachers Retirement System own?

Accepted Answer

As of its Q2 2026 13F, California State Teachers Retirement System holds 674,638 shares of COST (Costco Wholesale).

Question 3

What is California State Teachers Retirement System's COST position worth?

Accepted Answer

As of its Q2 2026 13F, California State Teachers Retirement System's COST position is worth $631.1M.

Question 4

Is California State Teachers Retirement System buying or selling COST?

Accepted Answer

In Q2 2026, California State Teachers Retirement System reduced its COST position by 12,504 shares (-1.8%).

Question 5

When did California State Teachers Retirement System first buy COST?

Accepted Answer

California State Teachers Retirement System already held COST in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

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	First report	737,363	-	$150.2M	0.3%	$183.62	0

COST31 quarters

COST
31 quarters