ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

MILLENNIUM MANAGEMENT LLC's Holding History (CIK: 0001273087)

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

Q4 2025

Shares 122,038 Value ($000) $32,037 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 190,327 Value ($000) $52,123 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 52,142 Value ($000) $14,049 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 113,148 Value ($000) $28,685 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 37,438 Value ($000) $8,772 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 73,961 Value ($000) $18,884 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 405,282 Value ($000) $96,457 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 465,122 Value ($000) $107,397 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 164,818 Value ($000) $32,692 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 89,007 Value ($000) $15,078 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 69,957 Value ($000) $13,060 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 1,035,928 Value ($000) $171 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 1,763,826 Value ($000) $257 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 288,084 Value ($000) $41,605 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 8,004 Value ($000) $1,231 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 19,943 Value ($000) $3,521 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 25,091 Value ($000) $5,886 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 76,180 Value ($000) $15,893 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 901,030 Value ($000) $185,585 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 25,668 Value ($000) $5,495 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 44,442 Value ($000) $9,615 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 33,531 Value ($000) $6,701 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 167,649 Value ($000) $33,354 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 108,964 Value ($000) $16,980 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 369,010 Value ($000) $71,215 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 31,820 Value ($000) $6,301 Avg Close $187.16 Range $179.22 - $195.89

Q1 2019

Shares 63,113 Value ($000) $11,142 Avg Close $150.92 Range $131.24 - $169.66

Q3 2018

Shares 13,223 Value ($000) $2,073 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 30,469 Value ($000) $4,276 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 96,492 Value ($000) $13,226 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 20,105 Value ($000) $2,698 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 8,410 Value ($000) $1,082 Avg Close $120.10 Range $116.11 - $122.59

Q2 2016

Shares 238,653 Value ($000) $28,304 Avg Close $104.92 Range $98.81 - $109.58

Q4 2015

Shares 136,490 Value ($000) $15,612 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 23,475 Value ($000) $2,576 Avg Close $99.79 Range $91.88 - $104.89

Q1 2015

Shares 72,303 Value ($000) $8,270 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 426,076 Value ($000) $44,533 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 3,186 Value ($000) $366 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 145,657 Value ($000) $16,217 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 219,194 Value ($000) $23,671 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 238,173 Value ($000) $24,834 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 9,993 Value ($000) $987 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 451,952 Value ($000) $38,502 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	122,038	$32,037	$265.71	$251.04 - $281.41
Q3 2025	190,327	$52,123	$270.32	$253.71 - $284.56
Q2 2025	52,142	$14,049	$252.35	$219.93 - $269.19
Q1 2025	113,148	$28,685	$249.61	$225.31 - $270.90
Q4 2024	37,438	$8,772	$245.53	$230.70 - $259.26
Q3 2024	73,961	$18,884	$241.07	$217.65 - $253.31
Q2 2024	405,282	$96,457	$227.14	$213.29 - $242.24
Q1 2024	465,122	$107,397	$207.94	$189.63 - $227.85
Q4 2023	164,818	$32,692	$175.85	$153.18 - $197.06
Q3 2023	89,007	$15,078	$177.30	$163.22 - $186.52
Q2 2023	69,957	$13,060	$167.31	$156.95 - $182.94
Q1 2023	1,035,928	$171	$150.99	$139.35 - $161.29
Q4 2022	1,763,826	$257	$141.81	$126.42 - $153.48
Q3 2022	288,084	$41,605	$156.07	$138.29 - $171.23
Q2 2022	8,004	$1,231	$158.99	$137.82 - $177.76
Q1 2022	19,943	$3,521	$179.54	$147.91 - $226.74
Q4 2021	25,091	$5,886	$215.53	$199.33 - $227.72
Q3 2021	76,180	$15,893	$208.54	$195.25 - $219.93
Q2 2021	901,030	$185,585	$206.33	$194.28 - $218.25
Q1 2021	25,668	$5,495	$201.55	$190.45 - $215.84
Q4 2020	44,442	$9,615	$197.47	$171.24 - $214.73
Q3 2020	33,531	$6,701	$188.44	$172.53 - $201.15
Q2 2020	167,649	$33,354	$182.16	$136.65 - $217.57
Q1 2020	108,964	$16,980	$176.33	$117.17 - $198.13
Q4 2019	369,010	$71,215	$177.67	$169.74 - $186.58
Q3 2019	31,820	$6,301	$187.16	$179.22 - $195.89
Q1 2019	63,113	$11,142	$150.92	$131.24 - $169.66
Q3 2018	13,223	$2,073	$137.00	$128.06 - $148.09
Q2 2018	30,469	$4,276	$132.91	$122.30 - $138.58
Q1 2018	96,492	$13,226	$123.54	$115.47 - $129.02
Q4 2017	20,105	$2,698	$121.85	$117.53 - $126.30
Q3 2017	8,410	$1,082	$120.10	$116.11 - $122.59
Q2 2016	238,653	$28,304	$104.92	$98.81 - $109.58
Q4 2015	136,490	$15,612	$105.21	$98.01 - $109.49
Q3 2015	23,475	$2,576	$99.79	$91.88 - $104.89
Q1 2015	72,303	$8,270	$97.19	$86.65 - $103.73
Q4 2014	426,076	$44,533	$96.70	$89.74 - $101.94
Q3 2014	3,186	$366	$99.26	$94.57 - $104.65
Q2 2014	145,657	$16,217	$94.25	$89.51 - $98.33
Q1 2014	219,194	$23,671	$91.92	$85.62 - $98.30
Q4 2013	238,173	$24,834	$90.95	$84.34 - $94.74
Q3 2013	9,993	$987	$81.20	$74.57 - $86.97
Q2 2013	451,952	$38,502	$73.48	$68.51 - $77.84