Citadel Advisors’s Ecolab ECL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$44.3M Buy
166,676
+109,878
+193% +$31M 0.01% 1470
2025
Q4
$14.9M Sell
56,798
-260,025
-82% -$69.3M ﹤0.01% 2712
2025
Q3
$86.8M Buy
316,823
+48,988
+18% +$13.3M 0.01% 943
2025
Q2
$72.2M Buy
267,835
+44,989
+20% +$11.4M 0.01% 970
2025
Q1
$56.5M Sell
222,846
-307,189
-58% -$77.4M 0.01% 1056
2024
Q4
$124M Buy
530,035
+462,820
+689% +$115M 0.02% 618
2024
Q3
$17.2M Sell
67,215
-719,314
-91% -$176M ﹤0.01% 2210
2024
Q2
$187M Sell
786,529
-76,075
-9% -$17.6M 0.04% 370
2024
Q1
$199M Buy
862,604
+336,808
+64% +$71.4M 0.04% 372
2023
Q4
$104M Buy
525,796
+426,141
+428% +$76.6M 0.02% 656
2023
Q3
$16.9M Buy
99,655
+45,829
+85% +$8.33M ﹤0.01% 2051
2023
Q2
$10M Sell
53,826
-354,514
-87% -$61M ﹤0.01% 2667
2023
Q1
$67.6M Sell
408,340
-482,513
-54% -$75.2M 0.01% 858
2022
Q4
$130M Buy
890,853
+856,655
+2,505% +$126M 0.03% 518
2022
Q3
$4.94M Sell
34,198
-328,516
-91% -$53.3M ﹤0.01% 3896
2022
Q2
$55.8M Sell
362,714
-448,547
-55% -$74.4M 0.01% 931
2022
Q1
$143M Buy
811,261
+803,637
+10,541% +$151M 0.03% 485
2021
Q4
$1.79M Sell
7,624
-318,695
-98% -$72M ﹤0.01% 6500
2021
Q3
$68.1M Sell
326,319
-105,048
-24% -$23M 0.01% 899
2021
Q2
$88.8M Buy
431,367
+255,897
+146% +$55.6M 0.02% 739
2021
Q1
$37.6M Sell
175,470
-51,140
-23% -$10.9M 0.01% 1298
2020
Q4
$49M Sell
226,610
-62,040
-21% -$13M 0.01% 958
2020
Q3
$57.7M Buy
288,650
+263,903
+1,066% +$52.7M 0.02% 762
2020
Q2
$4.92M Buy
24,747
+7,642
+45% +$1.48M ﹤0.01% 3103
2020
Q1
$2.67M Sell
17,105
-250,786
-94% -$47.1M ﹤0.01% 3663
2019
Q4
$51.7M Buy
267,891
+98,580
+58% +$18.7M 0.02% 754
2019
Q3
$33.5M Buy
169,311
+156,507
+1,222% +$31.4M 0.02% 1040
2019
Q2
$2.53M Buy
12,804
+3,749
+41% +$697K ﹤0.01% 4126
2019
Q1
$1.6M Sell
9,055
-4,650
-34% -$755K ﹤0.01% 4822
2018
Q4
$2.02M Buy
+13,705
New +$2.09M ﹤0.01% 4140
2018
Q3
Sell
-286,204
Closed -$42.4M 9300
2018
Q2
$40.2M Buy
286,204
+276,433
+2,829% +$39.9M 0.02% 831
2018
Q1
$1.34M Buy
9,771
+1,406
+17% +$189K ﹤0.01% 4358
2017
Q4
$1.12M Buy
+8,365
New +$1.11M ﹤0.01% 4502
2017
Q3
Sell
-15,430
Closed -$2.03M 7621
2017
Q2
$2.05M Buy
+15,430
New +$1.99M ﹤0.01% 3139
2017
Q1
Sell
-77,911
Closed -$9.53M 7551
2016
Q4
$9.13M Sell
77,911
-222,055
-74% -$26M 0.01% 1436
2016
Q3
$36.5M Sell
299,966
-79,887
-21% -$9.64M 0.04% 535
2016
Q2
$45.1M Buy
379,853
+46,111
+14% +$5.38M 0.05% 385
2016
Q1
$37.2M Buy
+333,742
New +$35.5M 0.05% 416
2015
Q4
Sell
-58,843
Closed -$6.92M 8800
2015
Q3
$6.46M Buy
58,843
+57,757
+5,318% +$6.46M 0.01% 1690
2015
Q2
$123K Sell
1,086
-91,689
-99% -$10.5M ﹤0.01% 6874
2015
Q1
$10.6M Sell
92,775
-137,798
-60% -$15.1M 0.01% 1401
2014
Q4
$24.1M Buy
230,573
+224,089
+3,456% +$24.5M 0.02% 820
2014
Q3
$745K Sell
6,484
-127,301
-95% -$14.3M ﹤0.01% 4090
2014
Q2
$14.9M Buy
+133,785
New +$14.3M 0.02% 1001
2014
Q1
Sell
-3
Closed -$314 7873
2013
Q4
$0 Sell
3
-30,006
-100% -$3.12M ﹤0.01% 7027
2013
Q3
$2.96M Sell
30,009
-11,828
-28% -$1.1M ﹤0.01% 2032
2013
Q2
$3.56M Buy
+41,837
New +$3.53M 0.01% 1886

Other funds holding ECL

Citadel Advisors's ECL Position: Q1 2026 in Review

Citadel Advisors increased its Ecolab (ECL) stake by 193% in Q1 2026, buying an estimated $31M and bringing the position to 166,676 shares worth $44.3M. The position accounts for 0.01% of the portfolio, ranked #1470.

Citadel Advisors first reported a position in ECL in Q2 2013 and has held it in 47 quarters since. The position peaked at $199M in Q1 2024. 1,691 funds tracked by Wall St. Rank hold ECL as of Q1 2026.

  • Citadel Advisors held 166,676 shares of Ecolab worth $44.3M as of Q1 2026.
  • Citadel Advisors bought 109,878 Ecolab shares in Q1 2026, an estimated $31M.
  • Ecolab made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1470 holding.
  • Citadel Advisors first reported a position in Ecolab in Q2 2013 and has held it in 47 quarters since.
  • Citadel Advisors's Ecolab position peaked at $199M in Q1 2024.
  • 1,691 funds tracked by Wall St. Rank held Ecolab as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.