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East Coast Asset Management’s Costco COST Stock Holding History

East Coast Asset 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
2026
Q2 		$226K Hold
242
– – 0.07% 63
2026
Q1 		$241K Hold
242
– – 0.08% 58
2025
Q4 		$209K Hold
242
– – 0.06% 68
2025
Q3 		$224K Hold
242
– – 0.07% 67
2025
Q2 		$240K Hold
242
– – 0.08% 64
2025
Q1 		$229K Hold
242
– – 0.08% 66
2024
Q4 		$222K Hold
242
– – 0.07% 67
2024
Q3 		$215K Hold
242
– – 0.07% 71
2024
Q2 		$206K Sell
242
-58
-19% -$45.3K 0.07% 70
2024
Q1 		$220K Buy
+300
New +$214K 0.08% 67

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

East Coast Asset Management's COST Position: Q2 2026 in Review

East Coast Asset Management held its Costco (COST) position steady in Q2 2026 at 242 shares worth $226K. The position accounts for 0.07% of the portfolio, ranked #63.

East Coast Asset Management first reported a position in COST in Q1 2024 and has held it in 10 quarters since. The position peaked at $241K in Q1 2026. 4,251 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • East Coast Asset Management held 242 shares of Costco worth $226K as of Q2 2026.
  • East Coast Asset Management left its Costco share count unchanged in Q2 2026.
  • Costco made up 0.07% of East Coast Asset Management's portfolio in Q2 2026, its #63 holding.
  • East Coast Asset Management first reported a position in Costco in Q1 2024 and has held it in 10 quarters since.
  • East Coast Asset Management's Costco position peaked at $241K in Q1 2026.
  • 4,251 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on East Coast Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.