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1,700 hedge funds and large institutions have $58.9B invested in Ecolab in 2026 Q1 according to their latest regulatory filings, with 155 funds opening new positions, 641 increasing their positions, 643 reducing their positions, and 108 closing their positions.

New
Increased
Maintained
Reduced
Closed

335% more call options, than puts

Call options by funds: $210M | Put options by funds: $48.1M

44% more first-time investments, than exits

New positions opened: 155 | Existing positions closed: 108

1% more funds holding

Funds holding: 1,6761,700 (+24)

0% more funds holding in top 10

Funds holding in top 10: 1919 (0)

0% less repeat investments, than reductions

Existing positions increased: 641 | Existing positions reduced: 643

2% less capital invested

Capital invested by funds: $59.9B → $58.9B (-$1.02B)

2.12% less ownership

Funds ownership: 80.61%78.49% (-2.1%)

Holders
1,700
Holders Change
+24
Holders Change %
+1.43%
% of All Funds
20.8%
Holding in Top 10
19
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.23%
New
155
Increased
641
Reduced
643
Closed
108
Calls
$210M
Puts
$48.1M
Net Calls
+$161M
Net Calls Change
+$140M
Name Holding Trade Value Shares
Change
Change in
Stake
TAM
151
Trillium Asset Management
Massachusetts
$44.6M +$4.91M +17,384 +10%
Citadel Advisors
152
Citadel Advisors
Florida
$44.3M +$31M +109,878 +193%
MTC
153
McDaniel Terry & Co
Texas
$43.7M +$2.53M +8,975 +6%
Ensign Peak Advisors
154
Ensign Peak Advisors
Utah
$43.4M +$5.95M +21,100 +15%
GAM
155
Gotham Asset Management
New York
$42.2M +$6.77M +23,977 +18%
PTPFOECYE
156
PBU - The Pension Fund of Early Childhood & Youth Educators
$40.9M +$23.7M +84,021 +121%
Korea Investment Corp
157
Korea Investment Corp
South Korea
$39.8M -$10.4M -36,798 -20%
BEI
158
Benjamin Edwards Inc
Missouri
$38M +$32.4M +114,644 +408%
PNC Financial Services Group
159
PNC Financial Services Group
Pennsylvania
$37.2M +$1.76M +6,235 +5%
State of Wisconsin Investment Board
160
State of Wisconsin Investment Board
Wisconsin
$36.7M +$1.65M +5,852 +4%
Royal London Asset Management
161
Royal London Asset Management
United Kingdom
$36.6M +$2.96M +10,478 +8%
Manulife (Manufacturers Life Insurance)
162
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$36.4M -$2.78M -9,859 -7%
OCBCO
163
Oversea-Chinese Banking Corp (OCBC)
Singapore
$36.3M -$216K -767 -0.6%
AIM
164
Avity Investment Management
Connecticut
$36M -$1.43M -5,075 -4%
Osaic Holdings
165
Osaic Holdings
Arizona
$35.8M -$262K -927 -0.7%
CIC
166
Carnegie Investment Counsel
Ohio
$35.6M -$1.37M -4,848 -3%
Mitsubishi UFJ Trust & Banking
167
Mitsubishi UFJ Trust & Banking
Japan
$35.4M +$5.75M +20,371 +18%
National Bank of Canada
168
National Bank of Canada
Quebec, Canada
$35.3M -$60.8M -215,343 -62%
Millennium Management
169
Millennium Management
New York
$34.8M +$2.51M +8,884 +7%
LA
170
LBP AM
France
$34.6M +$8.37M +29,662 +30%
EB
171
Eastern Bank
Massachusetts
$34.6M -$15.9M -56,267 -30%
Rockefeller Capital Management
172
Rockefeller Capital Management
New York
$34.3M +$380K +1,348 +1%
Asset Management One
173
Asset Management One
Japan
$34.1M +$4.21M +14,901 +13%
MT
174
Midwest Trust
Kansas
$33.7M +$661K +2,342 +2%
GT
175
Glenview Trust
Kentucky
$33.6M +$5.19M +18,405 +17%

ECL Hedge Fund Activity: Q1 2026 in Review

1,700 of the 8,172 institutional investors tracked by Wall St. Rank reported a position in Ecolab (ECL) for Q1 2026, worth a combined $58.9B — down 1.7% from $59.9B a quarter earlier.

Buyers outnumbered sellers: 155 funds opened new ECL positions and 108 closed out — a net gain of 47 holders — while 641 added to existing stakes and 643 trimmed.

The largest buyer was Capital Research Global Investors, adding an estimated $492M. The largest seller was Capital World Investors, cutting an estimated $665M.

  • 1,700 institutional investors held Ecolab (ECL) as of Q1 2026, up from 1,676 in Q4 2025.
  • Funds reported $58.9B of Ecolab stock for Q1 2026, down 1.7% quarter-over-quarter.
  • 155 funds opened new Ecolab positions in Q1 2026 and 108 closed out, a net change of +47 holders.
  • The largest Ecolab buyer in Q1 2026 was Capital Research Global Investors, an estimated $492M added.
  • The largest Ecolab seller in Q1 2026 was Capital World Investors, an estimated $665M sold.

Based on aggregated 13F filings for Q1 2026.