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
-41,800
Closed -$4.9M – 829
2016
Q4 		$4.9M Buy
+41,800
New +$4.89M 0.1% 201

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State Street
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Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Portfolio Management
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Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Gates Foundation Trust
Gates Foundation Trust Kirkland, Washington $34.4B AUM 26.34% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Hudson Bay Capital Management's ECL Position: Q2 2026 in Review

Hudson Bay Capital Management increased its Ecolab (ECL) stake by 283% in Q2 2026, buying an estimated $7.55M and bringing the position to 38,797 shares worth $10.8M. The position accounts for 0.03% of the portfolio, ranked #347.

Hudson Bay Capital Management first reported a position in ECL in Q4 2016 and has held it in 7 quarters since. 1,715 funds tracked by Wall St. Rank hold ECL as of Q2 2026.

  • Hudson Bay Capital Management held 38,797 shares of Ecolab worth $10.8M as of Q2 2026.
  • Hudson Bay Capital Management bought 28,675 Ecolab shares in Q2 2026, an estimated $7.55M.
  • Ecolab made up 0.03% of Hudson Bay Capital Management's portfolio in Q2 2026, its #347 holding.
  • Hudson Bay Capital Management first reported a position in Ecolab in Q4 2016 and has held it in 7 quarters since.
  • 1,715 funds tracked by Wall St. Rank held Ecolab as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.