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Marble Wealth’s Costco COST Stock Holding History

Marble Wealth’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 		$6.9M Buy
7,378
+19
+0.3% +$18.9K 1.06% 21
2026
Q1 		$7.33M Sell
7,359
-715
-9% -$697K 1.28% 19
2025
Q4 		$6.96M Buy
+8,074
New +$7.32M 0.97% 24

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

Marble Wealth's COST Position: Q2 2026 in Review

Marble Wealth increased its Costco (COST) stake by 0.26% in Q2 2026, buying an estimated $18.9K and bringing the position to 7,378 shares worth $6.9M. The position accounts for 1.06% of the portfolio, ranked #21.

Marble Wealth first reported a position in COST in Q4 2025 and has held it in 3 quarters since. The position peaked at $7.33M in Q1 2026. 4,233 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Marble Wealth held 7,378 shares of Costco worth $6.9M as of Q2 2026.
  • Marble Wealth bought 19 Costco shares in Q2 2026, an estimated $18.9K.
  • Costco made up 1.06% of Marble Wealth's portfolio in Q2 2026, its #21 holding.
  • Marble Wealth first reported a position in Costco in Q4 2025 and has held it in 3 quarters since.
  • Marble Wealth's Costco position peaked at $7.33M in Q1 2026.
  • 4,233 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Marble Wealth's 13F filing for Q2 2026, filed 7 Aug 2026.