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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 		– Sell
-1,972
Closed -$1.92M – 259
2025
Q4 		$1.7M Buy
1,972
+984
+100% +$892K 0.16% 81
2025
Q3 		$915K Buy
+988
New +$947K 0.25% 74
2025
Q1 		– Sell
-1
Closed -$923 – 132
2024
Q4 		$923 Sell
1
-10
-91% -$9.28K ﹤0.01% 243
2024
Q3 		$9.74K Buy
+11
New +$9.55K ﹤0.01% 298
2023
Q3 		– Sell
-1,162
Closed -$641K – 322
2023
Q2 		$619K Sell
1,162
-1,058
-48% -$535K 0.07% 148
2023
Q1 		$1.09M Buy
2,220
+792
+55% +$388K 0.05% 186
2022
Q4 		$652K Buy
+1,428
New +$698K 0.04% 242

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.