Index Fund Advisors’s Costco COST Stock Holding History

Index Fund Advisors’s Portfolio COST Stock Details COST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$10.5M	Buy	11,173 +13	+0.1%	+$13K	0.42%	22
2026 Q1	$11.1M	Buy	11,160 +55	+0.5%	+$53.6K	0.5%	18
2025 Q4	$9.58M	Sell	11,105 -241	-2%	-$218K	0.45%	17
2025 Q3	$10.5M	Buy	11,346 +532	+5%	+$510K	0.51%	17
2025 Q2	$10.7M	Buy	+10,814	New	+$10.7M	0.6%	15
2022 Q4	–	Sell	-9,740	Closed	-$4.6M	–	85
2022 Q3	$4.6M	Buy	9,740 +16	+0.2%	+$8.32K	0.36%	10
2022 Q2	$4.66M	Buy	9,724 +17	+0.2%	+$8.62K	0.35%	9
2022 Q1	$5.59M	Buy	9,707 +2,162	+29%	+$1.13M	0.42%	8
2021 Q4	$4.28M	Buy	+7,545	New	+$3.86M	0.3%	11

Other funds holding COST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Index Fund Advisors's COST Position: Q2 2026 in Review

Index Fund Advisors increased its Costco (COST) stake by 0.12% in Q2 2026, buying an estimated $13K and bringing the position to 11,173 shares worth $10.5M. The position accounts for 0.42% of the portfolio, ranked #22.

Index Fund Advisors first reported a position in COST in Q4 2021 and has held it in 9 quarters since. The position peaked at $11.1M in Q1 2026. 4,260 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Index Fund Advisors held 11,173 shares of Costco worth $10.5M as of Q2 2026.
Index Fund Advisors bought 13 Costco shares in Q2 2026, an estimated $13K.
Costco made up 0.42% of Index Fund Advisors's portfolio in Q2 2026, its #22 holding.
Index Fund Advisors first reported a position in Costco in Q4 2021 and has held it in 9 quarters since.
Index Fund Advisors's Costco position peaked at $11.1M in Q1 2026.
4,260 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Index Fund Advisors's 13F filing for Q2 2026, filed 13 Aug 2026.