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COST icon

AlphaQuest’s Costco COST Stock Holding History

AlphaQuest’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
-1,764
Closed -$1.52M – 464
2025
Q4 		$1.52M Buy
1,764
+1,218
+223% +$1.1M 0.09% 271
2025
Q3 		$505K Buy
546
+61
+13% +$58.5K 0.03% 790
2025
Q2 		$480K Sell
485
-462
-49% -$459K 0.05% 616
2025
Q1 		$896K Buy
+947
New +$923K 0.1% 314
2024
Q4 		– Sell
-4
Closed -$3.55K – 1756
2024
Q3 		$3.55K Sell
4
-304
-99% -$264K ﹤0.01% 1588
2024
Q2 		$262K Buy
308
+286
+1,300% +$223K 0.04% 673
2024
Q1 		$16.1K Buy
+22
New +$15.7K ﹤0.01% 1047

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

AlphaQuest's COST Position: Q1 2026 in Review

AlphaQuest sold out of Costco (COST) in Q1 2026, closing a stake of 1,764 shares — an estimated $1.52M sold.

AlphaQuest first reported a position in COST in Q1 2024 and held it in 7 quarters. The position peaked at $1.52M in Q4 2025. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • AlphaQuest reported no remaining Costco position as of Q1 2026 after selling out during the quarter.
  • AlphaQuest sold 1,764 Costco shares in Q1 2026, an estimated $1.52M.
  • AlphaQuest first reported a position in Costco in Q1 2024 and held it in 7 quarters.
  • AlphaQuest's Costco position peaked at $1.52M in Q4 2025.
  • 4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.