OP Asset Management’s Costco COST Stock Holding History

OP Asset 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	$62.4M	Sell	66,730 -28,335	-30%	-$28.2M	0.67%	27
2026 Q1	$94.7M	Buy	95,065 +28,905	+44%	+$28.2M	0.95%	18
2025 Q4	$57.1M	Buy	66,160 +9,961	+18%	+$9.03M	0.68%	22
2025 Q3	$52M	Buy	56,199 +881	+2%	+$844K	0.67%	25
2025 Q2	$54.8M	Buy	55,318 +475	+0.9%	+$472K	0.79%	20
2025 Q1	$51.9M	Buy	+54,843	New	+$53.5M	0.85%	17

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

OP Asset Management's COST Position: Q2 2026 in Review

OP Asset Management reduced its Costco (COST) stake by 30% in Q2 2026, selling an estimated $28.2M and leaving 66,730 shares worth $62.4M. The position accounts for 0.67% of the portfolio, ranked #27.

OP Asset Management first reported a position in COST in Q1 2025 and has held it in 6 quarters since. The position peaked at $94.7M in Q1 2026. 4,242 funds tracked by Wall St. Rank hold COST as of Q2 2026.

OP Asset Management held 66,730 shares of Costco worth $62.4M as of Q2 2026.
OP Asset Management sold 28,335 Costco shares in Q2 2026, an estimated $28.2M.
Costco made up 0.67% of OP Asset Management's portfolio in Q2 2026, its #27 holding.
OP Asset Management first reported a position in Costco in Q1 2025 and has held it in 6 quarters since.
OP Asset Management's Costco position peaked at $94.7M in Q1 2026.
4,242 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on OP Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.