Hudson Bay Capital Management’s Costco COST Stock Holding History

Hudson Bay 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 Q1	–	Sell	-200,000	Closed	-$172M	–	1438
2025 Q4	$172M	Buy	200,000 +125,000	+167%	+$113M	0.57%	36
2025 Q3	$69.4M	Buy	75,000 +65,900	+724%	+$63.2M	0.23%	74
2025 Q2	$9.01M	Sell	9,100 -76,900	-89%	-$76.4M	0.03%	374
2025 Q1	$81.3M	Buy	+86,000	New	+$83.8M	0.25%	95
2024 Q4	–	Sell	-3,600	Closed	-$3.19M	–	948
2024 Q3	$3.19M	Sell	3,600 -56,400	-94%	-$48.9M	0.01%	506
2024 Q2	$51M	Buy	+60,000	New	+$46.8M	0.24%	68
2024 Q1	–	Sell	-11,900	Closed	-$7.85M	–	763
2023 Q4	$7.85M	Buy	+11,900	New	+$7.05M	0.05%	222
2023 Q3	–	Sell	-335,000	Closed	-$180M	–	829
2023 Q2	$180M	Buy	+335,000	New	+$170M	1.31%	15
2019 Q2	–	Sell	-11,400	Closed	-$2.76M	–	481
2019 Q1	$2.76M	Sell	11,400 -25,900	-69%	-$5.66M	0.04%	404
2018 Q4	$7.6M	Sell	37,300 -104,300	-74%	-$23.3M	0.1%	186
2018 Q3	$33.3M	Buy	141,600 +61,600	+77%	+$13.9M	0.41%	48
2018 Q2	$16.7M	Buy	80,000 +54,200	+210%	+$10.7M	0.24%	74
2018 Q1	$4.86M	Buy	+25,800	New	+$4.87M	0.1%	238

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

Hudson Bay Capital Management's COST Position: Q1 2026 in Review

Hudson Bay Capital Management reduced its Costco (COST) stake by 96% in Q1 2026, selling an estimated $188M and leaving 7,255 shares worth $7.23M. The position accounts for 0.02% of the portfolio, ranked #391.

Hudson Bay Capital Management first reported a position in COST in Q1 2017 and has held it in 15 quarters since. The position peaked at $180M in Q2 2023. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Hudson Bay Capital Management held 7,255 shares of Costco worth $7.23M as of Q1 2026.
Hudson Bay Capital Management sold 192,745 Costco shares in Q1 2026, an estimated $188M.
Costco made up 0.02% of Hudson Bay Capital Management's portfolio in Q1 2026, its #391 holding.
Hudson Bay Capital Management first reported a position in Costco in Q1 2017 and has held it in 15 quarters since.
Hudson Bay Capital Management's Costco position peaked at $180M in Q2 2023.
4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.