ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

TWO SIGMA ADVISERS, LP's Holding History (CIK: 0001478735)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 73,106 Value ($000) $19,192 Avg Close $265.71 Range $251.04 - $281.41

Q1 2025

Shares 174,346 Value ($000) $44,200 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 259,346 Value ($000) $60,770 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 303,446 Value ($000) $77,479 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 328,446 Value ($000) $78,170 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 464,146 Value ($000) $107,171 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 686,346 Value ($000) $136,137 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 650,746 Value ($000) $110,236 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 740,846 Value ($000) $138,309 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 889,246 Value ($000) $147,197 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 751,346 Value ($000) $109,366 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 588,846 Value ($000) $85,041 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 635,446 Value ($000) $97,706 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 543,146 Value ($000) $95,898 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 663,246 Value ($000) $155,591 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 529,446 Value ($000) $110,453 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 7,946 Value ($000) $1,637 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 47,346 Value ($000) $10,135 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 12,646 Value ($000) $2,736 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 14,355 Value ($000) $2,869 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 50,608 Value ($000) $10,068 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 233,900 Value ($000) $36,449 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 177,000 Value ($000) $34,159 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 20,900 Value ($000) $4,139 Avg Close $187.16 Range $179.22 - $195.89

Q2 2018

Shares 2,929 Value ($000) $411 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 43,329 Value ($000) $5,939 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 19,029 Value ($000) $2,553 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 27,929 Value ($000) $3,592 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 19,729 Value ($000) $2,619 Avg Close $117.68 Range $113.27 - $123.01

Q4 2016

Shares 9,523 Value ($000) $1,116 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 19,972 Value ($000) $2,431 Avg Close $108.98 Range $105.46 - $112.42

Q3 2015

Shares 36,736 Value ($000) $4,031 Avg Close $99.79 Range $91.88 - $104.89

Q4 2014

Shares 47,107 Value ($000) $4,924 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 3,307 Value ($000) $380 Avg Close $99.26 Range $94.57 - $104.65

Q2 2013

Shares 3,320 Value ($000) $283 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	73,106	$19,192	$265.71	$251.04 - $281.41
Q1 2025	174,346	$44,200	$249.61	$225.31 - $270.90
Q4 2024	259,346	$60,770	$245.53	$230.70 - $259.26
Q3 2024	303,446	$77,479	$241.07	$217.65 - $253.31
Q2 2024	328,446	$78,170	$227.14	$213.29 - $242.24
Q1 2024	464,146	$107,171	$207.94	$189.63 - $227.85
Q4 2023	686,346	$136,137	$175.85	$153.18 - $197.06
Q3 2023	650,746	$110,236	$177.30	$163.22 - $186.52
Q2 2023	740,846	$138,309	$167.31	$156.95 - $182.94
Q1 2023	889,246	$147,197	$150.99	$139.35 - $161.29
Q4 2022	751,346	$109,366	$141.81	$126.42 - $153.48
Q3 2022	588,846	$85,041	$156.07	$138.29 - $171.23
Q2 2022	635,446	$97,706	$158.99	$137.82 - $177.76
Q1 2022	543,146	$95,898	$179.54	$147.91 - $226.74
Q4 2021	663,246	$155,591	$215.53	$199.33 - $227.72
Q3 2021	529,446	$110,453	$208.54	$195.25 - $219.93
Q2 2021	7,946	$1,637	$206.33	$194.28 - $218.25
Q1 2021	47,346	$10,135	$201.55	$190.45 - $215.84
Q4 2020	12,646	$2,736	$197.47	$171.24 - $214.73
Q3 2020	14,355	$2,869	$188.44	$172.53 - $201.15
Q2 2020	50,608	$10,068	$182.16	$136.65 - $217.57
Q1 2020	233,900	$36,449	$176.33	$117.17 - $198.13
Q4 2019	177,000	$34,159	$177.67	$169.74 - $186.58
Q3 2019	20,900	$4,139	$187.16	$179.22 - $195.89
Q2 2018	2,929	$411	$132.91	$122.30 - $138.58
Q1 2018	43,329	$5,939	$123.54	$115.47 - $129.02
Q4 2017	19,029	$2,553	$121.85	$117.53 - $126.30
Q3 2017	27,929	$3,592	$120.10	$116.11 - $122.59
Q2 2017	19,729	$2,619	$117.68	$113.27 - $123.01
Q4 2016	9,523	$1,116	$105.98	$100.13 - $110.74
Q3 2016	19,972	$2,431	$108.98	$105.46 - $112.42
Q3 2015	36,736	$4,031	$99.79	$91.88 - $104.89
Q4 2014	47,107	$4,924	$96.70	$89.74 - $101.94
Q3 2014	3,307	$380	$99.26	$94.57 - $104.65
Q2 2013	3,320	$283	$73.48	$68.51 - $77.84