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Buffalo Business & Estate Services’s Costco COST Stock Holding History

Buffalo Business & Estate Services’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
Q2 		– Sell
-5,880
Closed -$5.86M – 29
2026
Q1 		$5.86M Sell
5,880
-570
-9% -$555K 0.85% 20
2025
Q4 		$5.56M Buy
+6,450
New +$5.84M 0.8% 20

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 $3.37T AUM 44.26% 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

Buffalo Business & Estate Services's COST Position: Q2 2026 in Review

Buffalo Business & Estate Services sold out of Costco (COST) in Q2 2026, closing a stake of 5,880 shares — an estimated $5.86M sold.

Buffalo Business & Estate Services first reported a position in COST in Q4 2025 and held it in 2 quarters. The position peaked at $5.86M in Q1 2026. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Buffalo Business & Estate Services reported no remaining Costco position as of Q2 2026 after selling out during the quarter.
  • Buffalo Business & Estate Services sold 5,880 Costco shares in Q2 2026, an estimated $5.86M.
  • Buffalo Business & Estate Services first reported a position in Costco in Q4 2025 and held it in 2 quarters.
  • Buffalo Business & Estate Services's Costco position peaked at $5.86M in Q1 2026.
  • 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Buffalo Business & Estate Services's 13F filing for Q2 2026, filed 23 Jul 2026.