ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

SECURIAN ASSET MANAGEMENT, INC's Holding History (CIK: 0001035350)

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

Q4 2025

Shares 6,931 Value ($000) $1,820 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 12,267 Value ($000) $3,359 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 13,171 Value ($000) $3,549 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 13,336 Value ($000) $3,381 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 13,544 Value ($000) $3,174 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 14,000 Value ($000) $3,575 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 14,565 Value ($000) $3,466 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 14,946 Value ($000) $3,451 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 16,081 Value ($000) $3,190 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 18,114 Value ($000) $3,069 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 20,114 Value ($000) $3,755 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 20,504 Value ($000) $3,394 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 20,291 Value ($000) $2,954 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 20,291 Value ($000) $2,930 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 20,091 Value ($000) $3,089 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 20,291 Value ($000) $3,583 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 20,491 Value ($000) $4,807 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 21,156 Value ($000) $4,414 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 21,369 Value ($000) $4,401 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 21,469 Value ($000) $4,596 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 22,112 Value ($000) $4,784 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 22,796 Value ($000) $4,556 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 23,067 Value ($000) $4,589 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 24,813 Value ($000) $3,867 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 25,252 Value ($000) $4,873 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 26,164 Value ($000) $5,182 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 26,801 Value ($000) $5,292 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 26,501 Value ($000) $4,678 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 26,382 Value ($000) $3,887 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 25,914 Value ($000) $4,063 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 26,465 Value ($000) $3,714 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 26,413 Value ($000) $3,620 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 26,513 Value ($000) $3,558 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 26,250 Value ($000) $3,376 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 26,347 Value ($000) $3,498 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 26,474 Value ($000) $3,318 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 26,323 Value ($000) $3,086 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 26,336 Value ($000) $3,206 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 26,160 Value ($000) $3,103 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 26,160 Value ($000) $2,917 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 25,858 Value ($000) $2,958 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 24,900 Value ($000) $2,732 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 25,450 Value ($000) $2,878 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 25,192 Value ($000) $2,881 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 24,437 Value ($000) $2,554 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 23,856 Value ($000) $2,739 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 23,956 Value ($000) $2,667 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 24,139 Value ($000) $2,607 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 23,937 Value ($000) $2,496 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 24,029 Value ($000) $2,373 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 23,378 Value ($000) $1,992 Avg Close $73.48 Range $68.51 - $77.84

Q1 2013

Shares 22,389 Value ($000) $1,795 Avg Close $65.61 Range $62.45 - $70.20

Q4 2012

Shares 22,290 Value ($000) $1,603 Avg Close — Range —

Q3 2012

Shares 22,820 Value ($000) $1,479 Avg Close — Range —

Q2 2012

Shares 25,340 Value ($000) $1,737 Avg Close — Range —

Q1 2012

Shares 25,360 Value ($000) $1,565 Avg Close — Range —

Q4 2011

Shares 25,855 Value ($000) $1,495 Avg Close — Range —

Q3 2011

Shares 19,646 Value ($000) $960 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,931	$1,820	$265.71	$251.04 - $281.41
Q3 2025	12,267	$3,359	$270.32	$253.71 - $284.56
Q2 2025	13,171	$3,549	$252.35	$219.93 - $269.19
Q1 2025	13,336	$3,381	$249.61	$225.31 - $270.90
Q4 2024	13,544	$3,174	$245.53	$230.70 - $259.26
Q3 2024	14,000	$3,575	$241.07	$217.65 - $253.31
Q2 2024	14,565	$3,466	$227.14	$213.29 - $242.24
Q1 2024	14,946	$3,451	$207.94	$189.63 - $227.85
Q4 2023	16,081	$3,190	$175.85	$153.18 - $197.06
Q3 2023	18,114	$3,069	$177.30	$163.22 - $186.52
Q2 2023	20,114	$3,755	$167.31	$156.95 - $182.94
Q1 2023	20,504	$3,394	$150.99	$139.35 - $161.29
Q4 2022	20,291	$2,954	$141.81	$126.42 - $153.48
Q3 2022	20,291	$2,930	$156.07	$138.29 - $171.23
Q2 2022	20,091	$3,089	$158.99	$137.82 - $177.76
Q1 2022	20,291	$3,583	$179.54	$147.91 - $226.74
Q4 2021	20,491	$4,807	$215.53	$199.33 - $227.72
Q3 2021	21,156	$4,414	$208.54	$195.25 - $219.93
Q2 2021	21,369	$4,401	$206.33	$194.28 - $218.25
Q1 2021	21,469	$4,596	$201.55	$190.45 - $215.84
Q4 2020	22,112	$4,784	$197.47	$171.24 - $214.73
Q3 2020	22,796	$4,556	$188.44	$172.53 - $201.15
Q2 2020	23,067	$4,589	$182.16	$136.65 - $217.57
Q1 2020	24,813	$3,867	$176.33	$117.17 - $198.13
Q4 2019	25,252	$4,873	$177.67	$169.74 - $186.58
Q3 2019	26,164	$5,182	$187.16	$179.22 - $195.89
Q2 2019	26,801	$5,292	$173.21	$164.99 - $187.12
Q1 2019	26,501	$4,678	$150.92	$131.24 - $169.66
Q4 2018	26,382	$3,887	$141.48	$126.10 - $150.86
Q3 2018	25,914	$4,063	$137.00	$128.06 - $148.09
Q2 2018	26,465	$3,714	$132.91	$122.30 - $138.58
Q1 2018	26,413	$3,620	$123.54	$115.47 - $129.02
Q4 2017	26,513	$3,558	$121.85	$117.53 - $126.30
Q3 2017	26,250	$3,376	$120.10	$116.11 - $122.59
Q2 2017	26,347	$3,498	$117.68	$113.27 - $123.01
Q1 2017	26,474	$3,318	$111.04	$106.47 - $114.69
Q4 2016	26,323	$3,086	$105.98	$100.13 - $110.74
Q3 2016	26,336	$3,206	$108.98	$105.46 - $112.42
Q2 2016	26,160	$3,103	$104.92	$98.81 - $109.58
Q1 2016	26,160	$2,917	$95.34	$88.43 - $102.02
Q4 2015	25,858	$2,958	$105.21	$98.01 - $109.49
Q3 2015	24,900	$2,732	$99.79	$91.88 - $104.89
Q2 2015	25,450	$2,878	$102.25	$97.79 - $105.41
Q1 2015	25,192	$2,881	$97.19	$86.65 - $103.73
Q4 2014	24,437	$2,554	$96.70	$89.74 - $101.94
Q3 2014	23,856	$2,739	$99.26	$94.57 - $104.65
Q2 2014	23,956	$2,667	$94.25	$89.51 - $98.33
Q1 2014	24,139	$2,607	$91.92	$85.62 - $98.30
Q4 2013	23,937	$2,496	$90.95	$84.34 - $94.74
Q3 2013	24,029	$2,373	$81.20	$74.57 - $86.97
Q2 2013	23,378	$1,992	$73.48	$68.51 - $77.84
Q1 2013	22,389	$1,795	$65.61	$62.45 - $70.20
Q4 2012	22,290	$1,603	—	—
Q3 2012	22,820	$1,479	—	—
Q2 2012	25,340	$1,737	—	—
Q1 2012	25,360	$1,565	—	—
Q4 2011	25,855	$1,495	—	—
Q3 2011	19,646	$960	—	—