One River Asset Management’s Costco COST Stock Holding History

One River Asset 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	$1.89M	Sell	1,900 -1,200	-39%	-$1.17M	0.69%	34
2025 Q4	$2.67M	Sell	3,100 -1,700	-35%	-$1.54M	0.25%	58
2025 Q3	$4.44M	Buy	+4,800	New	+$4.6M	1.21%	26
2025 Q1	–	Sell	-500	Closed	-$458K	–	131
2024 Q4	$458K	Sell	500 -500	-50%	-$464K	0.04%	125
2024 Q3	$887K	Sell	1,000 -900	-47%	-$781K	0.12%	88
2024 Q2	$1.61M	Sell	1,900 -22,900	-92%	-$17.9M	0.11%	81
2024 Q1	$18.2M	Sell	24,800 -8,900	-26%	-$6.35M	0.45%	55
2023 Q4	$22.2M	Buy	33,700 +1,300	+4%	+$770K	0.5%	54
2023 Q3	$18.3M	Buy	32,400 +31,100	+2,392%	+$17.2M	0.57%	44
2023 Q2	$700K	Sell	1,300 -11,100	-90%	-$5.62M	0.08%	137
2023 Q1	$6.16M	Buy	12,400 +8,200	+195%	+$4.02M	0.27%	65
2022 Q4	$1.92M	Buy	+4,200	New	+$2.05M	0.12%	162

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

One River Asset Management's COST Position: Q1 2026 in Review

One River Asset Management sold out of Costco (COST) in Q1 2026, closing a stake of 1,972 shares — an estimated $1.92M sold.

One River Asset Management first reported a position in COST in Q4 2022 and held it in 7 quarters. The position peaked at $1.7M in Q4 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

One River Asset Management reported no remaining Costco position as of Q1 2026 after selling out during the quarter.
One River Asset Management sold 1,972 Costco shares in Q1 2026, an estimated $1.92M.
One River Asset Management first reported a position in Costco in Q4 2022 and held it in 7 quarters.
One River Asset Management's Costco position peaked at $1.7M in Q4 2025.
4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on One River Asset Management's 13F filing for Q1 2026, filed 27 Apr 2026.