Gladius Capital Management’s Costco COST Stock Holding History

Gladius Capital 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	–	Sell	-13,800	Closed	-$13.8M	–	47
2026 Q1	$13.8M	Buy	13,800 +2,200	+19%	+$2.14M	0.61%	36
2025 Q4	$10M	Buy	11,600 +5,500	+90%	+$4.98M	0.55%	43
2025 Q3	$5.65M	Buy	+6,100	New	+$5.85M	0.6%	39
2024 Q1	–	Sell	-3,300	Closed	-$2.18M	–	336
2023 Q4	$2.18M	Sell	3,300 -11,400	-78%	-$6.76M	0.34%	59
2023 Q3	$8.3M	Buy	14,700 +10,100	+220%	+$5.57M	0.35%	61
2023 Q2	$2.48M	Buy	4,600 +1,200	+35%	+$607K	0.12%	74
2023 Q1	$1.69M	Buy	+3,400	New	+$1.67M	0.1%	92
2022 Q1	–	Sell	-300	Closed	-$171K	–	280
2021 Q4	$171K	Sell	300 -400	-57%	-$205K	0.01%	200
2021 Q3	$315K	Hold	700	–	–	0.02%	88
2021 Q2	$277K	Sell	700 -3,400	-83%	-$1.29M	0.03%	96
2021 Q1	$1.45M	Buy	4,100 +1,900	+86%	+$661K	0.05%	129
2020 Q4	$829K	Buy	2,200 +300	+16%	+$112K	0.04%	146
2020 Q3	$675K	Buy	+1,900	New	+$639K	0.07%	112

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

Gladius Capital Management's COST Position: Q2 2026 in Review

Gladius Capital Management sold out of Costco (COST) in Q2 2026, closing a stake of 819 shares — an estimated $816K sold.

Gladius Capital Management first reported a position in COST in Q4 2018 and held it in 22 quarters. The position peaked at $2.55M in Q4 2024. 4,240 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Gladius Capital Management reported no remaining Costco position as of Q2 2026 after selling out during the quarter.
Gladius Capital Management sold 819 Costco shares in Q2 2026, an estimated $816K.
Gladius Capital Management first reported a position in Costco in Q4 2018 and held it in 22 quarters.
Gladius Capital Management's Costco position peaked at $2.55M in Q4 2024.
4,240 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Gladius Capital Management's 13F filing for Q2 2026, filed 30 Jul 2026.