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Boothbay Fund Management’s Costco COST Stock Holding History

Boothbay Fund 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
2023
Q1 		– Sell
-500
Closed -$228K – 2183
2022
Q4 		$228K Sell
500
-600
-55% -$293K 0.01% 1543
2022
Q3 		$520K Sell
1,100
-300
-21% -$156K 0.01% 1205
2022
Q2 		$671K Sell
1,400
-200
-13% -$101K 0.02% 1017
2022
Q1 		$921K Buy
+1,600
New +$840K 0.02% 950

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Boothbay Fund Management's COST Position: Q2 2026 in Review

Boothbay Fund Management increased its Costco (COST) stake by 66% in Q2 2026, buying an estimated $1.27M and bringing the position to 3,200 shares worth $2.99M. The position accounts for 0.04% of the portfolio, ranked #537.

Boothbay Fund Management first reported a position in COST in Q4 2015 and has held it in 24 quarters since. The position peaked at $23.5M in Q2 2025. 4,258 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Boothbay Fund Management held 3,200 shares of Costco worth $2.99M as of Q2 2026.
  • Boothbay Fund Management bought 1,278 Costco shares in Q2 2026, an estimated $1.27M.
  • Costco made up 0.04% of Boothbay Fund Management's portfolio in Q2 2026, its #537 holding.
  • Boothbay Fund Management first reported a position in Costco in Q4 2015 and has held it in 24 quarters since.
  • Boothbay Fund Management's Costco position peaked at $23.5M in Q2 2025.
  • 4,258 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Boothbay Fund Management's 13F filing for Q2 2026, filed 14 Aug 2026.