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
$4.26M Buy
16,000
+4,500
+39% +$1.27M ﹤0.01% 4605
2025
Q4
$3.02M Sell
11,500
-8,500
-43% -$2.26M ﹤0.01% 5146
2025
Q3
$5.48M Buy
20,000
+3,400
+20% +$924K ﹤0.01% 4210
2025
Q2
$4.47M Sell
16,600
-20,900
-56% -$5.31M ﹤0.01% 4315
2025
Q1
$9.51M Buy
37,500
+7,200
+24% +$1.81M ﹤0.01% 2920
2024
Q4
$7.1M Buy
30,300
+17,200
+131% +$4.28M ﹤0.01% 3430
2024
Q3
$3.34M Sell
13,100
-49,100
-79% -$12M ﹤0.01% 4609
2024
Q2
$14.8M Sell
62,200
-46,600
-43% -$10.8M ﹤0.01% 2331
2024
Q1
$25.1M Buy
108,800
+52,900
+95% +$11.2M ﹤0.01% 1845
2023
Q4
$11.1M Buy
55,900
+27,100
+94% +$4.87M ﹤0.01% 2701
2023
Q3
$4.88M Buy
28,800
+4,400
+18% +$800K ﹤0.01% 3685
2023
Q2
$4.56M Sell
24,400
-6,200
-20% -$1.07M ﹤0.01% 3785
2023
Q1
$5.07M Sell
30,600
-60,700
-66% -$9.46M ﹤0.01% 3790
2022
Q4
$13.3M Sell
91,300
-40,000
-30% -$5.88M ﹤0.01% 2444
2022
Q3
$19M Buy
131,300
+50,800
+63% +$8.24M ﹤0.01% 1927
2022
Q2
$12.4M Sell
80,500
-13,100
-14% -$2.17M ﹤0.01% 2406
2022
Q1
$16.5M Buy
93,600
+45,600
+95% +$8.57M ﹤0.01% 2226
2021
Q4
$11.3M Sell
48,000
-25,200
-34% -$5.7M ﹤0.01% 2874
2021
Q3
$15.3M Buy
73,200
+19,200
+36% +$4.21M ﹤0.01% 2405
2021
Q2
$11.1M Buy
54,000
+21,400
+66% +$4.65M ﹤0.01% 2922
2021
Q1
$6.98M Sell
32,600
-11,800
-27% -$2.51M ﹤0.01% 3587
2020
Q4
$9.61M Sell
44,400
-22,200
-33% -$4.64M ﹤0.01% 2691
2020
Q3
$13.3M Buy
66,600
+18,700
+39% +$3.74M ﹤0.01% 1967
2020
Q2
$9.53M Sell
47,900
-14,800
-24% -$2.87M ﹤0.01% 2278
2020
Q1
$9.77M Buy
62,700
+2,100
+3% +$395K ﹤0.01% 1883
2019
Q4
$11.7M Sell
60,600
-102,200
-63% -$19.4M 0.01% 2039
2019
Q3
$32.2M Sell
162,800
-43,000
-21% -$8.62M 0.02% 1066
2019
Q2
$40.6M Buy
205,800
+163,900
+391% +$30.5M 0.02% 872
2019
Q1
$7.4M Sell
41,900
-21,100
-33% -$3.43M ﹤0.01% 2436
2018
Q4
$9.28M Buy
63,000
+43,500
+223% +$6.64M 0.01% 1987
2018
Q3
$3.06M Sell
19,500
-34,000
-64% -$5.04M ﹤0.01% 3702
2018
Q2
$7.51M Buy
53,500
+19,900
+59% +$2.87M ﹤0.01% 2252
2018
Q1
$4.61M Buy
33,600
+22,700
+208% +$3.05M ﹤0.01% 2557
2017
Q4
$1.46M Sell
10,900
-17,800
-62% -$2.37M ﹤0.01% 4066
2017
Q3
$3.69M Buy
28,700
+6,500
+29% +$855K ﹤0.01% 2657
2017
Q2
$2.95M Buy
22,200
+3,400
+18% +$439K ﹤0.01% 2677
2017
Q1
$2.36M Buy
18,800
+10,500
+127% +$1.28M ﹤0.01% 2885
2016
Q4
$973K Sell
8,300
-16,900
-67% -$1.98M ﹤0.01% 3889
2016
Q3
$3.07M Sell
25,200
-1,700
-6% -$205K ﹤0.01% 2476
2016
Q2
$3.19M Sell
26,900
-10,200
-27% -$1.19M ﹤0.01% 2253
2016
Q1
$4.14M Buy
37,100
+11,400
+44% +$1.21M 0.01% 1937
2015
Q4
$2.94M Buy
25,700
+11,700
+84% +$1.38M ﹤0.01% 2347
2015
Q3
$1.54M Sell
14,000
-14,000
-50% -$1.57M ﹤0.01% 3267
2015
Q2
$3.17M Sell
28,000
-10,700
-28% -$1.23M ﹤0.01% 2524
2015
Q1
$4.43M Buy
38,700
+25,300
+189% +$2.77M ﹤0.01% 2153
2014
Q4
$1.4M Buy
13,400
+3,700
+38% +$405K ﹤0.01% 3342
2014
Q3
$1.11M Sell
9,700
-7,000
-42% -$788K ﹤0.01% 3574
2014
Q2
$1.86M Buy
16,700
+9,900
+146% +$1.06M ﹤0.01% 2790
2014
Q1
$734K Sell
6,800
-16,000
-70% -$1.68M ﹤0.01% 3822
2013
Q4
$2.38M Sell
22,800
-5,300
-19% -$551K ﹤0.01% 2372
2013
Q3
$2.77M Buy
28,100
+8,900
+46% +$828K ﹤0.01% 2097
2013
Q2
$1.64M Buy
+19,200
New +$1.62M ﹤0.01% 2681

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.