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Thompson David Blair’s Costco COST Stock Holding History

Thompson David Blair’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 		$727K Sell
777
-29
-4% -$28.9K 0.36% 84
2026
Q1 		$803K Sell
806
-68
-8% -$66.3K 0.46% 72
2025
Q4 		$754K Buy
+874
New +$792K 0.43% 68
2024
Q4 		$1.01M Buy
+1,106
New +$1.03M 0.74% 36

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
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Thompson David Blair's COST Position: Q2 2026 in Review

Thompson David Blair reduced its Costco (COST) stake by 3.6% in Q2 2026, selling an estimated $28.9K and leaving 777 shares worth $727K. The position accounts for 0.36% of the portfolio, ranked #84.

Thompson David Blair first reported a position in COST in Q4 2024 and has held it in 4 quarters since. The position peaked at $1.01M in Q4 2024. 4,065 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Thompson David Blair held 777 shares of Costco worth $727K as of Q2 2026.
  • Thompson David Blair sold 29 Costco shares in Q2 2026, an estimated $28.9K.
  • Costco made up 0.36% of Thompson David Blair's portfolio in Q2 2026, its #84 holding.
  • Thompson David Blair first reported a position in Costco in Q4 2024 and has held it in 4 quarters since.
  • Thompson David Blair's Costco position peaked at $1.01M in Q4 2024.
  • 4,065 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Thompson David Blair's 13F filing for Q2 2026, filed 14 Aug 2026.