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Blalock Williams’s Costco COST Stock Holding History

Blalock Williams’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 		$877K Sell
938
-73
-7% -$72.7K 0.57% 47
2026
Q1 		$1.01M Buy
1,011
+166
+20% +$162K 0.78% 36
2025
Q4 		$729K Sell
845
-97
-10% -$87.9K 0.58% 43
2025
Q3 		$872K Sell
942
-35
-4% -$33.5K 0.76% 35
2025
Q2 		$967K Sell
977
-34
-3% -$33.8K 0.97% 28
2025
Q1 		$956K Buy
1,011
+50
+5% +$48.7K 1.07% 27
2024
Q4 		$881K Buy
+961
New +$892K 1.02% 28

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

Blalock Williams's COST Position: Q2 2026 in Review

Blalock Williams reduced its Costco (COST) stake by 7.2% in Q2 2026, selling an estimated $72.7K and leaving 938 shares worth $877K. The position accounts for 0.57% of the portfolio, ranked #47.

Blalock Williams first reported a position in COST in Q4 2024 and has held it in 7 quarters since. The position peaked at $1.01M in Q1 2026. 4,251 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Blalock Williams held 938 shares of Costco worth $877K as of Q2 2026.
  • Blalock Williams sold 73 Costco shares in Q2 2026, an estimated $72.7K.
  • Costco made up 0.57% of Blalock Williams's portfolio in Q2 2026, its #47 holding.
  • Blalock Williams first reported a position in Costco in Q4 2024 and has held it in 7 quarters since.
  • Blalock Williams's Costco position peaked at $1.01M in Q1 2026.
  • 4,251 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Blalock Williams's 13F filing for Q2 2026, filed 7 Aug 2026.