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Entropy Technologies’s Costco COST Stock Holding History

Entropy Technologies’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
Q1 		$17.7M Buy
17,785
+1,987
+13% +$1.94M 0.82% 3
2025
Q4 		$13.6M Buy
15,798
+9,688
+159% +$8.78M 0.74% 25
2025
Q3 		$5.66M Sell
6,110
-4,576
-43% -$4.39M 0.42% 55
2025
Q2 		$10.6M Buy
+10,686
New +$10.6M 0.84% 14
2024
Q3 		– Sell
-11,734
Closed -$9.97M – 762
2024
Q2 		$9.97M Buy
+11,734
New +$9.16M 1.08% 5

Other funds holding COST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Entropy Technologies's COST Position: Q1 2026 in Review

Entropy Technologies increased its Costco (COST) stake by 13% in Q1 2026, buying an estimated $1.94M and bringing the position to 17,785 shares worth $17.7M. The position accounts for 0.82% of the portfolio, ranked #3.

Entropy Technologies first reported a position in COST in Q2 2024 and has held it in 5 quarters since. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Entropy Technologies held 17,785 shares of Costco worth $17.7M as of Q1 2026.
  • Entropy Technologies bought 1,987 Costco shares in Q1 2026, an estimated $1.94M.
  • Costco made up 0.82% of Entropy Technologies's portfolio in Q1 2026, its #3 holding.
  • Entropy Technologies first reported a position in Costco in Q2 2024 and has held it in 5 quarters since.
  • 4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Entropy Technologies's 13F filing for Q1 2026, filed 14 May 2026.