Alta Advisers’s Costco COST Stock Holding History

Alta Advisers’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	$1.56M	Hold	1,666	–	–	0.35%	32
2026 Q1	$1.66M	Hold	1,666	–	–	0.6%	21
2025 Q4	$1.44M	Sell	1,666 -600	-26%	-$544K	0.52%	26
2025 Q3	$2.1M	Hold	2,266	–	–	0.64%	24
2025 Q2	$2.24M	Buy	2,266 +80	+4%	+$79.5K	0.8%	21
2025 Q1	$2.07M	Buy	2,186 +725	+50%	+$707K	0.88%	20
2024 Q4	$1.34M	Buy	1,461 +261	+22%	+$242K	0.85%	20
2024 Q3	$1.06M	Hold	1,200	–	–	0.49%	23
2024 Q2	$1.02M	Hold	1,200	–	–	0.49%	21
2024 Q1	$879K	Buy	1,200 +100	+9%	+$71.4K	0.44%	24
2023 Q4	$726K	Hold	1,100	–	–	0.39%	26
2023 Q3	$621K	Hold	1,100	–	–	0.36%	27
2023 Q2	$592K	Hold	1,100	–	–	0.33%	28
2023 Q1	$547K	Hold	1,100	–	–	0.33%	30
2022 Q4	$502K	Hold	1,100	–	–	0.3%	32
2022 Q3	$519K	Buy	+1,100	New	+$572K	0.33%	30

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 $3.37T AUM 44.26% 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

Alta Advisers's COST Position: Q2 2026 in Review

Alta Advisers held its Costco (COST) position steady in Q2 2026 at 1,666 shares worth $1.56M. The position accounts for 0.35% of the portfolio, ranked #32.

Alta Advisers first reported a position in COST in Q3 2022 and has held it in 16 quarters since. The position peaked at $2.24M in Q2 2025. 4,238 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Alta Advisers held 1,666 shares of Costco worth $1.56M as of Q2 2026.
Alta Advisers left its Costco share count unchanged in Q2 2026.
Costco made up 0.35% of Alta Advisers's portfolio in Q2 2026, its #32 holding.
Alta Advisers first reported a position in Costco in Q3 2022 and has held it in 16 quarters since.
Alta Advisers's Costco position peaked at $2.24M in Q2 2025.
4,238 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Alta Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.