Cornerstone Capital’s Costco COST Stock Holding History

Cornerstone Capital’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	$1.43M	Sell	1,525 -27	-2%	-$26.9K	0.13%	64
2026 Q1	$1.55M	Buy	1,552 +1,215	+361%	+$1.18M	0.15%	60
2025 Q4	$291K	Hold	337	–	–	0.03%	88
2025 Q3	$312K	Sell	337 -65	-16%	-$62.3K	0.03%	89
2025 Q2	$398K	Sell	402 -60	-13%	-$59.6K	0.04%	81
2025 Q1	$437K	Buy	462 +30	+7%	+$29.2K	0.05%	80
2024 Q4	$396K	Sell	432 -10	-2%	-$9.28K	0.04%	87
2024 Q3	$392K	Hold	442	–	–	0.04%	92
2024 Q2	$376K	Hold	442	–	–	0.04%	84
2024 Q1	$324K	Hold	442	–	–	0.03%	83
2023 Q4	$292K	Hold	442	–	–	0.03%	83
2023 Q3	$250K	Hold	442	–	–	0.03%	84
2023 Q2	$238K	Hold	442	–	–	0.03%	86
2023 Q1	$220K	Buy	+442	New	+$217K	0.03%	84
2022 Q4	–	Sell	-437	Closed	-$206K	–	90
2022 Q3	$206K	Buy	+437	New	+$227K	0.03%	80
2022 Q2	–	Sell	-407	Closed	-$234K	–	92
2022 Q1	$234K	Sell	407 -100	-20%	-$52.5K	0.03%	83
2021 Q4	$288K	Hold	507	–	–	0.03%	82
2021 Q3	$228K	Hold	507	–	–	0.03%	84
2021 Q2	$201K	Buy	+507	New	+$192K	0.02%	88

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

Cornerstone Capital's COST Position: Q2 2026 in Review

Cornerstone Capital reduced its Costco (COST) stake by 1.7% in Q2 2026, selling an estimated $26.9K and leaving 1,525 shares worth $1.43M. The position accounts for 0.13% of the portfolio, ranked #64.

Cornerstone Capital first reported a position in COST in Q2 2021 and has held it in 19 quarters since. The position peaked at $1.55M in Q1 2026. 4,250 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Cornerstone Capital held 1,525 shares of Costco worth $1.43M as of Q2 2026.
Cornerstone Capital sold 27 Costco shares in Q2 2026, an estimated $26.9K.
Costco made up 0.13% of Cornerstone Capital's portfolio in Q2 2026, its #64 holding.
Cornerstone Capital first reported a position in Costco in Q2 2021 and has held it in 19 quarters since.
Cornerstone Capital's Costco position peaked at $1.55M in Q1 2026.
4,250 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Cornerstone Capital's 13F filing for Q2 2026, filed 3 Aug 2026.