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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% 35
2025
Q4 		$2.67M Sell
3,100
-1,700
-35% -$1.54M 0.25% 59
2025
Q3 		$4.44M Buy
+4,800
New +$4.6M 1.21% 27
2025
Q1 		– Sell
-700
Closed -$641K – 133
2024
Q4 		$641K Sell
700
-800
-53% -$742K 0.05% 110
2024
Q3 		$1.33M Buy
1,500
+100
+7% +$86.8K 0.17% 69
2024
Q2 		$1.19M Sell
1,400
-57,900
-98% -$45.2M 0.08% 99
2024
Q1 		$43.4M Sell
59,300
-11,700
-16% -$8.35M 1.08% 31
2023
Q4 		$46.9M Buy
71,000
+9,000
+15% +$5.33M 1.05% 26
2023
Q3 		$35M Buy
62,000
+59,100
+2,038% +$32.6M 1.08% 21
2023
Q2 		$1.56M Sell
2,900
-18,200
-86% -$9.21M 0.18% 73
2023
Q1 		$10.5M Buy
21,100
+18,800
+817% +$9.22M 0.46% 38
2022
Q4 		$1.05M Buy
+2,300
New +$1.12M 0.06% 216

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
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
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.