ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025

Shares 5,890 Value ($000) $1,546 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 4,308 Value ($000) $1,180 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 14,880 Value ($000) $4,009 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 9,798 Value ($000) $2,449 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 18,592 Value ($000) $4,356 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 8,820 Value ($000) $2,252 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 14,129 Value ($000) $3,363 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 12,798 Value ($000) $2,955 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 36,363 Value ($000) $7,213 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 18,948 Value ($000) $3,210 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 3,601 Value ($000) $672 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 9,333 Value ($000) $2 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 4,869 Value ($000) $1 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 16,898 Value ($000) $2,441 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 7,583 Value ($000) $1,166 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 37,105 Value ($000) $6,552 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 19,143 Value ($000) $4,491 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 7,256 Value ($000) $1,514 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 8,524 Value ($000) $1,756 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 20,663 Value ($000) $4,423 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 6,994 Value ($000) $1,513 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 6,692 Value ($000) $1,337 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 5,218 Value ($000) $1,038 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 5,433 Value ($000) $846 Avg Close $176.33 Range $117.17 - $198.13

Q3 2019

Shares 4,522 Value ($000) $895 Avg Close $187.16 Range $179.22 - $195.89

Q1 2019

Shares 7,154 Value ($000) $1,263 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 5,998 Value ($000) $884 Avg Close $141.48 Range $126.10 - $150.86

Q2 2018

Shares 5,572 Value ($000) $782 Avg Close $132.91 Range $122.30 - $138.58

Q4 2017

Shares 2,539 Value ($000) $341 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 709 Value ($000) $91 Avg Close $120.10 Range $116.11 - $122.59

Q1 2017

Shares 175 Value ($000) $22 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 5,626 Value ($000) $659 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 1,363 Value ($000) $166 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 7,615 Value ($000) $903 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 4,446 Value ($000) $496 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 110 Value ($000) $13 Avg Close $105.21 Range $98.01 - $109.49

Q2 2015

Shares 427 Value ($000) $48 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 300 Value ($000) $34 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 1,168 Value ($000) $122 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 135 Value ($000) $16 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 183 Value ($000) $20 Avg Close $94.25 Range $89.51 - $98.33

Q4 2013

Shares 740 Value ($000) $77 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 5,561 Value ($000) $549 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 882 Value ($000) $75 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,890	$1,546	$265.71	$251.04 - $281.41
Q3 2025	4,308	$1,180	$270.32	$253.71 - $284.56
Q2 2025	14,880	$4,009	$252.35	$219.93 - $269.19
Q1 2025	9,798	$2,449	$249.61	$225.31 - $270.90
Q4 2024	18,592	$4,356	$245.53	$230.70 - $259.26
Q3 2024	8,820	$2,252	$241.07	$217.65 - $253.31
Q2 2024	14,129	$3,363	$227.14	$213.29 - $242.24
Q1 2024	12,798	$2,955	$207.94	$189.63 - $227.85
Q4 2023	36,363	$7,213	$175.85	$153.18 - $197.06
Q3 2023	18,948	$3,210	$177.30	$163.22 - $186.52
Q2 2023	3,601	$672	$167.31	$156.95 - $182.94
Q1 2023	9,333	$2	$150.99	$139.35 - $161.29
Q4 2022	4,869	$1	$141.81	$126.42 - $153.48
Q3 2022	16,898	$2,441	$156.07	$138.29 - $171.23
Q2 2022	7,583	$1,166	$158.99	$137.82 - $177.76
Q1 2022	37,105	$6,552	$179.54	$147.91 - $226.74
Q4 2021	19,143	$4,491	$215.53	$199.33 - $227.72
Q3 2021	7,256	$1,514	$208.54	$195.25 - $219.93
Q2 2021	8,524	$1,756	$206.33	$194.28 - $218.25
Q1 2021	20,663	$4,423	$201.55	$190.45 - $215.84
Q4 2020	6,994	$1,513	$197.47	$171.24 - $214.73
Q3 2020	6,692	$1,337	$188.44	$172.53 - $201.15
Q2 2020	5,218	$1,038	$182.16	$136.65 - $217.57
Q1 2020	5,433	$846	$176.33	$117.17 - $198.13
Q3 2019	4,522	$895	$187.16	$179.22 - $195.89
Q1 2019	7,154	$1,263	$150.92	$131.24 - $169.66
Q4 2018	5,998	$884	$141.48	$126.10 - $150.86
Q2 2018	5,572	$782	$132.91	$122.30 - $138.58
Q4 2017	2,539	$341	$121.85	$117.53 - $126.30
Q3 2017	709	$91	$120.10	$116.11 - $122.59
Q1 2017	175	$22	$111.04	$106.47 - $114.69
Q4 2016	5,626	$659	$105.98	$100.13 - $110.74
Q3 2016	1,363	$166	$108.98	$105.46 - $112.42
Q2 2016	7,615	$903	$104.92	$98.81 - $109.58
Q1 2016	4,446	$496	$95.34	$88.43 - $102.02
Q4 2015	110	$13	$105.21	$98.01 - $109.49
Q2 2015	427	$48	$102.25	$97.79 - $105.41
Q1 2015	300	$34	$97.19	$86.65 - $103.73
Q4 2014	1,168	$122	$96.70	$89.74 - $101.94
Q3 2014	135	$16	$99.26	$94.57 - $104.65
Q2 2014	183	$20	$94.25	$89.51 - $98.33
Q4 2013	740	$77	$90.95	$84.34 - $94.74
Q3 2013	5,561	$549	$81.20	$74.57 - $86.97
Q2 2013	882	$75	$73.48	$68.51 - $77.84