Marex Group’s Costco COST Stock Holding History

Marex Group’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	-100,000	Closed	-$99.6M	–	1179
2026 Q1	$99.6M	Buy	+100,000	New	+$97.5M	0.63%	43
2025 Q3	–	Sell	-50,000	Closed	-$49.5M	–	885
2025 Q2	$49.5M	Buy	+50,000	New	+$49.7M	0.43%	56

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

Marex Group's COST Position: Q2 2026 in Review

Marex Group reduced its Costco (COST) stake by 95% in Q2 2026, selling an estimated $71M and leaving 3,777 shares worth $3.53M. The position accounts for 0.02% of the portfolio, ranked #299.

Marex Group first reported a position in COST in Q1 2024 and has held it in 10 quarters since. The position peaked at $180M in Q2 2024. 4,238 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Marex Group held 3,777 shares of Costco worth $3.53M as of Q2 2026.
Marex Group sold 71,298 Costco shares in Q2 2026, an estimated $71M.
Costco made up 0.02% of Marex Group's portfolio in Q2 2026, its #299 holding.
Marex Group first reported a position in Costco in Q1 2024 and has held it in 10 quarters since.
Marex Group's Costco position peaked at $180M in Q2 2024.
4,238 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Marex Group's 13F filing for Q2 2026, filed 14 Aug 2026.