PKO Investment Management Joint-Stock’s Costco COST Stock Holding History

PKO Investment Management Joint-Stock’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	$12.2M	Buy	13,000 +1,000	+8%	+$996K	0.88%	28
2026 Q1	$12M	Sell	12,000 -7,011	-37%	-$6.83M	1.01%	23
2025 Q4	$16.4M	Buy	19,011 +3,511	+23%	+$3.18M	1.31%	16
2025 Q3	$14.3M	Buy	15,500 +4,000	+35%	+$3.83M	1.23%	16
2025 Q2	$11.4M	Hold	11,500	–	–	1.22%	19
2025 Q1	$10.9M	Buy	11,500 +7,500	+188%	+$7.31M	1.23%	19
2024 Q4	$3.67M	Buy	+4,000	New	+$3.71M	0.46%	47
2024 Q3	–	Sell	-3,000	Closed	-$2.55M	–	159
2024 Q2	$2.55M	Hold	3,000	–	–	0.32%	62
2024 Q1	$2.21M	Buy	+3,000	New	+$2.14M	0.26%	68

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

PKO Investment Management Joint-Stock's COST Position: Q2 2026 in Review

PKO Investment Management Joint-Stock increased its Costco (COST) stake by 8.3% in Q2 2026, buying an estimated $996K and bringing the position to 13,000 shares worth $12.2M. The position accounts for 0.88% of the portfolio, ranked #28.

PKO Investment Management Joint-Stock first reported a position in COST in Q1 2024 and has held it in 9 quarters since. The position peaked at $16.4M in Q4 2025. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

PKO Investment Management Joint-Stock held 13,000 shares of Costco worth $12.2M as of Q2 2026.
PKO Investment Management Joint-Stock bought 1,000 Costco shares in Q2 2026, an estimated $996K.
Costco made up 0.88% of PKO Investment Management Joint-Stock's portfolio in Q2 2026, its #28 holding.
PKO Investment Management Joint-Stock first reported a position in Costco in Q1 2024 and has held it in 9 quarters since.
PKO Investment Management Joint-Stock's Costco position peaked at $16.4M in Q4 2025.
4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on PKO Investment Management Joint-Stock's 13F filing for Q2 2026, filed 20 Jul 2026.