ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

SIT INVESTMENT ASSOCIATES INC's Holding History (CIK: 0000769317)

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

Q4 2025

Shares 615 Value ($000) $0 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 615 Value ($000) $0 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 615 Value ($000) $0 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 615 Value ($000) $0 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 615 Value ($000) $0 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 615 Value ($000) $0 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 675 Value ($000) $0 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 675 Value ($000) $0 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 675 Value ($000) $0 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 675 Value ($000) $0 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 675 Value ($000) $0 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 675 Value ($000) $0 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 675 Value ($000) $0 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 8,615 Value ($000) $1,244 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 8,615 Value ($000) $1,325 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 8,615 Value ($000) $1,521 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 8,615 Value ($000) $2,021 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 29,950 Value ($000) $6,248 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 32,145 Value ($000) $6,621 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 37,630 Value ($000) $8,055 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 44,815 Value ($000) $9,696 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 46,615 Value ($000) $9,316 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 46,615 Value ($000) $9,274 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 60,685 Value ($000) $9,457 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 61,040 Value ($000) $11,780 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 58,540 Value ($000) $11,593 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 60,290 Value ($000) $11,904 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 64,590 Value ($000) $11,403 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 69,045 Value ($000) $10,174 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 84,425 Value ($000) $13,236 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 90,325 Value ($000) $12,675 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 94,800 Value ($000) $12,994 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 98,655 Value ($000) $13,238 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 100,100 Value ($000) $12,874 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 99,710 Value ($000) $13,237 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 101,965 Value ($000) $12,780 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 103,765 Value ($000) $12,163 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 112,725 Value ($000) $13,721 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 113,750 Value ($000) $13,491 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 119,150 Value ($000) $13,288 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 115,075 Value ($000) $13,162 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 119,525 Value ($000) $13,114 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 121,825 Value ($000) $13,775 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 122,075 Value ($000) $13,963 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 163,750 Value ($000) $17,115 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 155,620 Value ($000) $17,870 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 159,695 Value ($000) $17,780 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 164,505 Value ($000) $17,765 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 183,060 Value ($000) $19,088 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 192,460 Value ($000) $19,007 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 201,180 Value ($000) $17,139 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	615	$0	$265.71	$251.04 - $281.41
Q3 2025	615	$0	$270.32	$253.71 - $284.56
Q2 2025	615	$0	$252.35	$219.93 - $269.19
Q1 2025	615	$0	$249.61	$225.31 - $270.90
Q4 2024	615	$0	$245.53	$230.70 - $259.26
Q3 2024	615	$0	$241.07	$217.65 - $253.31
Q2 2024	675	$0	$227.14	$213.29 - $242.24
Q1 2024	675	$0	$207.94	$189.63 - $227.85
Q4 2023	675	$0	$175.85	$153.18 - $197.06
Q3 2023	675	$0	$177.30	$163.22 - $186.52
Q2 2023	675	$0	$167.31	$156.95 - $182.94
Q1 2023	675	$0	$150.99	$139.35 - $161.29
Q4 2022	675	$0	$141.81	$126.42 - $153.48
Q3 2022	8,615	$1,244	$156.07	$138.29 - $171.23
Q2 2022	8,615	$1,325	$158.99	$137.82 - $177.76
Q1 2022	8,615	$1,521	$179.54	$147.91 - $226.74
Q4 2021	8,615	$2,021	$215.53	$199.33 - $227.72
Q3 2021	29,950	$6,248	$208.54	$195.25 - $219.93
Q2 2021	32,145	$6,621	$206.33	$194.28 - $218.25
Q1 2021	37,630	$8,055	$201.55	$190.45 - $215.84
Q4 2020	44,815	$9,696	$197.47	$171.24 - $214.73
Q3 2020	46,615	$9,316	$188.44	$172.53 - $201.15
Q2 2020	46,615	$9,274	$182.16	$136.65 - $217.57
Q1 2020	60,685	$9,457	$176.33	$117.17 - $198.13
Q4 2019	61,040	$11,780	$177.67	$169.74 - $186.58
Q3 2019	58,540	$11,593	$187.16	$179.22 - $195.89
Q2 2019	60,290	$11,904	$173.21	$164.99 - $187.12
Q1 2019	64,590	$11,403	$150.92	$131.24 - $169.66
Q4 2018	69,045	$10,174	$141.48	$126.10 - $150.86
Q3 2018	84,425	$13,236	$137.00	$128.06 - $148.09
Q2 2018	90,325	$12,675	$132.91	$122.30 - $138.58
Q1 2018	94,800	$12,994	$123.54	$115.47 - $129.02
Q4 2017	98,655	$13,238	$121.85	$117.53 - $126.30
Q3 2017	100,100	$12,874	$120.10	$116.11 - $122.59
Q2 2017	99,710	$13,237	$117.68	$113.27 - $123.01
Q1 2017	101,965	$12,780	$111.04	$106.47 - $114.69
Q4 2016	103,765	$12,163	$105.98	$100.13 - $110.74
Q3 2016	112,725	$13,721	$108.98	$105.46 - $112.42
Q2 2016	113,750	$13,491	$104.92	$98.81 - $109.58
Q1 2016	119,150	$13,288	$95.34	$88.43 - $102.02
Q4 2015	115,075	$13,162	$105.21	$98.01 - $109.49
Q3 2015	119,525	$13,114	$99.79	$91.88 - $104.89
Q2 2015	121,825	$13,775	$102.25	$97.79 - $105.41
Q1 2015	122,075	$13,963	$97.19	$86.65 - $103.73
Q4 2014	163,750	$17,115	$96.70	$89.74 - $101.94
Q3 2014	155,620	$17,870	$99.26	$94.57 - $104.65
Q2 2014	159,695	$17,780	$94.25	$89.51 - $98.33
Q1 2014	164,505	$17,765	$91.92	$85.62 - $98.30
Q4 2013	183,060	$19,088	$90.95	$84.34 - $94.74
Q3 2013	192,460	$19,007	$81.20	$74.57 - $86.97
Q2 2013	201,180	$17,139	$73.48	$68.51 - $77.84