Hudson Bay Capital Management
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Hudson Bay Capital Management’s Ecolab ECL Stock Holding History

Hudson Bay Capital Management’s Portfolio ECL Stock Details ECL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2017
Q1 		– Sell
-43,500
Closed -$5.1M – 827
2016
Q4 		$5.1M Buy
+43,500
New +$5.09M 0.11% 190

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JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
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Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 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
Gates Foundation Trust
Gates Foundation Trust Kirkland, Washington $31.7B AUM 20.52% 1-Year Est. Return
Aristotle Capital Management
Aristotle Capital Management Los Angeles, California $47.8B AUM 13.38% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

Hudson Bay Capital Management's ECL Position: Q1 2026 in Review

Hudson Bay Capital Management increased its Ecolab (ECL) stake by 25% in Q1 2026, buying an estimated $577K and bringing the position to 10,122 shares worth $2.69M. The position accounts for 0.01% of the portfolio, ranked #684.

Hudson Bay Capital Management first reported a position in ECL in Q4 2016 and has held it in 6 quarters since. The position peaked at $7.82M in Q2 2025. 1,693 funds tracked by Wall St. Rank hold ECL as of Q1 2026.

  • Hudson Bay Capital Management held 10,122 shares of Ecolab worth $2.69M as of Q1 2026.
  • Hudson Bay Capital Management bought 2,046 Ecolab shares in Q1 2026, an estimated $577K.
  • Ecolab made up 0.01% of Hudson Bay Capital Management's portfolio in Q1 2026, its #684 holding.
  • Hudson Bay Capital Management first reported a position in Ecolab in Q4 2016 and has held it in 6 quarters since.
  • Hudson Bay Capital Management's Ecolab position peaked at $7.82M in Q2 2025.
  • 1,693 funds tracked by Wall St. Rank held Ecolab as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.