Man Group’s Costco COST Stock Holding History

Man 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 Q1	$15M	Sell	15,100 -5,000	-25%	-$4.87M	0.03%	640
2025 Q4	$17.3M	Buy	20,100 +7,600	+61%	+$6.89M	0.03%	573
2025 Q3	$11.6M	Sell	12,500 -8,900	-42%	-$8.53M	0.02%	722
2025 Q2	$21.2M	Sell	21,400 -11,300	-35%	-$11.2M	0.04%	492
2025 Q1	$30.9M	Sell	32,700 -700	-2%	-$682K	0.08%	295
2024 Q4	$30.6M	Buy	33,400 +7,900	+31%	+$7.33M	0.08%	292
2024 Q3	$22.6M	Buy	25,500 +11,600	+83%	+$10.1M	0.06%	414
2024 Q2	$11.8M	Buy	13,900 +9,700	+231%	+$7.57M	0.03%	633
2024 Q1	$3.08M	Sell	4,200 -2,300	-35%	-$1.64M	0.01%	1147
2023 Q4	$4.29M	Buy	+6,500	New	+$3.85M	0.01%	1005

Other funds holding COST

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

DAM

Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Man Group's COST Position: Q1 2026 in Review

Man Group reduced its Costco (COST) stake by 31% in Q1 2026, selling an estimated $158M and leaving 357,691 shares worth $356M. The position accounts for 0.65% of the portfolio, ranked #16.

Man Group first reported a position in COST in Q1 2018 and has held it in 30 quarters since. The position peaked at $448M in Q4 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Man Group held 357,691 shares of Costco worth $356M as of Q1 2026.
Man Group sold 161,954 Costco shares in Q1 2026, an estimated $158M.
Costco made up 0.65% of Man Group's portfolio in Q1 2026, its #16 holding.
Man Group first reported a position in Costco in Q1 2018 and has held it in 30 quarters since.
Man Group's Costco position peaked at $448M in Q4 2025.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Man Group's 13F filing for Q1 2026, filed 15 May 2026.