William Blair & Company’s Ecolab ECL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$217M Sell
805,156
-8,977
-1% -$2.42M 0.6% 44
2025
Q1
$206M Sell
814,133
-29,901
-4% -$7.58M 0.62% 42
2024
Q4
$198M Sell
844,034
-24,725
-3% -$5.79M 0.58% 48
2024
Q3
$222M Sell
868,759
-17,591
-2% -$4.49M 0.65% 40
2024
Q2
$211M Sell
886,350
-13,652
-2% -$3.25M 0.65% 36
2024
Q1
$208M Sell
900,002
-10,044
-1% -$2.32M 0.65% 36
2023
Q4
$181M Sell
910,046
-37,004
-4% -$7.34M 0.62% 40
2023
Q3
$160M Sell
947,050
-159
-0% -$26.9K 0.62% 38
2023
Q2
$177M Buy
947,209
+10,942
+1% +$2.04M 0.65% 34
2023
Q1
$155M Buy
936,267
+13,798
+1% +$2.28M 0.62% 38
2022
Q4
$134M Sell
922,469
-2,883
-0.3% -$420K 0.58% 42
2022
Q3
$134M Buy
925,352
+5,317
+0.6% +$768K 0.61% 39
2022
Q2
$141M Sell
920,035
-275,634
-23% -$42.4M 0.63% 37
2022
Q1
$211M Sell
1,195,669
-89,147
-7% -$15.7M 0.74% 26
2021
Q4
$301M Buy
1,284,816
+26,904
+2% +$6.31M 0.95% 19
2021
Q3
$262M Sell
1,257,912
-144,587
-10% -$30.2M 0.89% 21
2021
Q2
$289M Buy
1,402,499
+56,714
+4% +$11.7M 1% 18
2021
Q1
$288M Buy
1,345,785
+77,161
+6% +$16.5M 1.09% 18
2020
Q4
$274M Buy
1,268,624
+71,817
+6% +$15.5M 1.01% 19
2020
Q3
$239M Buy
1,196,807
+127,046
+12% +$25.4M 1.01% 20
2020
Q2
$213M Buy
1,069,761
+67,512
+7% +$13.4M 1.01% 19
2020
Q1
$156M Buy
1,002,249
+23,508
+2% +$3.66M 0.98% 17
2019
Q4
$189M Buy
978,741
+18,242
+2% +$3.52M 0.97% 18
2019
Q3
$190M Buy
960,499
+11,219
+1% +$2.22M 1.1% 17
2019
Q2
$187M Buy
949,280
+12,351
+1% +$2.44M 1.07% 16
2019
Q1
$165M Buy
936,929
+14,049
+2% +$2.48M 1.01% 16
2018
Q4
$136M Buy
922,880
+6,494
+0.7% +$957K 0.99% 19
2018
Q3
$144M Buy
916,386
+11,832
+1% +$1.86M 0.88% 20
2018
Q2
$127M Buy
904,554
+12,815
+1% +$1.8M 0.86% 22
2018
Q1
$122M Sell
891,739
-3,377
-0.4% -$463K 0.86% 25
2017
Q4
$120M Buy
895,116
+21,405
+2% +$2.87M 0.82% 26
2017
Q3
$112M Sell
873,711
-3,318
-0.4% -$427K 0.84% 23
2017
Q2
$116M Buy
877,029
+12,142
+1% +$1.61M 0.87% 18
2017
Q1
$108M Buy
864,887
+45,400
+6% +$5.66M 0.87% 18
2016
Q4
$96.1M Buy
819,487
+15,087
+2% +$1.77M 0.86% 21
2016
Q3
$97.9M Buy
804,400
+25,025
+3% +$3.05M 0.87% 20
2016
Q2
$92.4M Buy
779,375
+2,165
+0.3% +$257K 0.86% 20
2016
Q1
$86.7M Sell
777,210
-8,194
-1% -$914K 0.82% 23
2015
Q4
$89.8M Buy
785,404
+8,732
+1% +$999K 0.84% 19
2015
Q3
$85.2M Buy
776,672
+5,962
+0.8% +$654K 0.74% 24
2015
Q2
$87.1M Sell
770,710
-51,899
-6% -$5.87M 0.13% 207
2015
Q1
$94.1M Buy
822,609
+2,715
+0.3% +$311K 0.14% 200
2014
Q4
$85.7M Sell
819,894
-331,797
-29% -$34.7M 0.14% 215
2014
Q3
$132M Sell
1,151,691
-7,259
-0.6% -$834K 0.23% 139
2014
Q2
$129M Sell
1,158,950
-55,444
-5% -$6.17M 0.21% 148
2014
Q1
$131M Sell
1,214,394
-15,003
-1% -$1.62M 0.22% 142
2013
Q4
$128M Sell
1,229,397
-45,887
-4% -$4.78M 0.21% 137
2013
Q3
$126M Sell
1,275,284
-11,783
-0.9% -$1.16M 0.22% 135
2013
Q2
$110M Buy
+1,287,067
New +$110M 0.22% 127