Atomic Invest
COST icon

Atomic Invest’s Costco COST Stock Holding History

Atomic Invest’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
Q3 		$17.6K Sell
19
-4
-17% -$3.73K ﹤0.01% 252
2026
Q2 		$21.3K Sell
23
-9
-28% -$8.97K ﹤0.01% 199
2026
Q1 		$32.1K Buy
32
+23
+256% +$22.4K 0.02% 146
2025
Q4 		$7.49K Buy
+9
New +$8.16K ﹤0.01% 227

Other funds holding COST

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return

Atomic Invest's COST Position: Q3 2026 in Review

Atomic Invest reduced its Costco (COST) stake by 17% in Q3 2026, selling an estimated $3.73K and leaving 19 shares worth $17.6K. The position accounts for ﹤0.01% of the portfolio, ranked #252.

Atomic Invest first reported a position in COST in Q4 2025 and has held it in 4 quarters since. The position peaked at $32.1K in Q1 2026. 3,744 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Atomic Invest held 19 shares of Costco worth $17.6K as of Q3 2026.
  • Atomic Invest sold 4 Costco shares in Q3 2026, an estimated $3.73K.
  • Costco made up ﹤0.01% of Atomic Invest's portfolio in Q3 2026, its #252 holding.
  • Atomic Invest first reported a position in Costco in Q4 2025 and has held it in 4 quarters since.
  • Atomic Invest's Costco position peaked at $32.1K in Q1 2026.
  • 3,744 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Atomic Invest's 13F filing for Q3 2026, filed 13 Nov 2026.