Alphinity Investment Management’s Costco COST Stock Holding History

Alphinity Investment Management’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	$207M	Buy	221,056 +9,180	+4%	+$9.15M	3.44%	15
2026 Q1	$211M	Sell	211,876 -80,891	-28%	-$78.8M	3.72%	14
2025 Q4	$252M	Sell	292,767 -115,235	-28%	-$104M	2.56%	23
2025 Q3	$378M	Sell	408,002 -130,987	-24%	-$126M	3.69%	17
2025 Q2	$534M	Sell	538,989 -114,866	-18%	-$114M	4.57%	12
2025 Q1	$618M	Buy	653,855 +1,712	+0.3%	+$1.67M	4.19%	15
2024 Q4	$598M	Sell	652,143 -149,515	-19%	-$139M	3.25%	17
2024 Q3	$711M	Buy	801,658 +97,980	+14%	+$85M	4.2%	14
2024 Q2	$598M	Buy	703,678 +79,341	+13%	+$61.9M	4.4%	9
2024 Q1	$457M	Buy	624,337 +173,006	+38%	+$124M	4.06%	13
2023 Q4	$298M	Buy	+451,331	New	+$267M	3.02%	19

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

Alphinity Investment Management's COST Position: Q2 2026 in Review

Alphinity Investment Management increased its Costco (COST) stake by 4.3% in Q2 2026, buying an estimated $9.15M and bringing the position to 221,056 shares worth $207M. The position accounts for 3.44% of the portfolio, ranked #15.

Alphinity Investment Management first reported a position in COST in Q4 2023 and has held it in 11 quarters since. The position peaked at $711M in Q3 2024. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Alphinity Investment Management held 221,056 shares of Costco worth $207M as of Q2 2026.
Alphinity Investment Management bought 9,180 Costco shares in Q2 2026, an estimated $9.15M.
Costco made up 3.44% of Alphinity Investment Management's portfolio in Q2 2026, its #15 holding.
Alphinity Investment Management first reported a position in Costco in Q4 2023 and has held it in 11 quarters since.
Alphinity Investment Management's Costco position peaked at $711M in Q3 2024.
4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Alphinity Investment Management's 13F filing for Q2 2026, filed 29 Jul 2026.