ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

GREAT VALLEY ADVISOR GROUP, INC.'s Holding History (CIK: 0001769897)

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

Q4 2025

Shares 26,842 Value ($000) $7,046 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 38,974 Value ($000) $10,673 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 39,810 Value ($000) $10,726 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 45,514 Value ($000) $11,539 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 32,948 Value ($000) $7,721 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 34,157 Value ($000) $8,721 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 33,943 Value ($000) $8,079 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 33,720 Value ($000) $7,785 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 33,699 Value ($000) $6,684 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 35,079 Value ($000) $5,943 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 35,111 Value ($000) $6,555 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 35,783 Value ($000) $5,923 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 35,894 Value ($000) $5,225 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 35,658 Value ($000) $5,150 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 37,233 Value ($000) $5,725 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 39,436 Value ($000) $8,885 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 37,639 Value ($000) $8,016 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 38,025 Value ($000) $7,933 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 38,623 Value ($000) $8,210 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 43,594 Value ($000) $9,332 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 43,281 Value ($000) $9,364 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 44,731 Value ($000) $8,939 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 39,109 Value ($000) $7,781 Avg Close $182.16 Range $136.65 - $217.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,842	$7,046	$265.71	$251.04 - $281.41
Q3 2025	38,974	$10,673	$270.32	$253.71 - $284.56
Q2 2025	39,810	$10,726	$252.35	$219.93 - $269.19
Q1 2025	45,514	$11,539	$249.61	$225.31 - $270.90
Q4 2024	32,948	$7,721	$245.53	$230.70 - $259.26
Q3 2024	34,157	$8,721	$241.07	$217.65 - $253.31
Q2 2024	33,943	$8,079	$227.14	$213.29 - $242.24
Q1 2024	33,720	$7,785	$207.94	$189.63 - $227.85
Q4 2023	33,699	$6,684	$175.85	$153.18 - $197.06
Q3 2023	35,079	$5,943	$177.30	$163.22 - $186.52
Q2 2023	35,111	$6,555	$167.31	$156.95 - $182.94
Q1 2023	35,783	$5,923	$150.99	$139.35 - $161.29
Q4 2022	35,894	$5,225	$141.81	$126.42 - $153.48
Q3 2022	35,658	$5,150	$156.07	$138.29 - $171.23
Q2 2022	37,233	$5,725	$158.99	$137.82 - $177.76
Q1 2022	39,436	$8,885	$179.54	$147.91 - $226.74
Q4 2021	37,639	$8,016	$215.53	$199.33 - $227.72
Q3 2021	38,025	$7,933	$208.54	$195.25 - $219.93
Q2 2021	38,623	$8,210	$206.33	$194.28 - $218.25
Q1 2021	43,594	$9,332	$201.55	$190.45 - $215.84
Q4 2020	43,281	$9,364	$197.47	$171.24 - $214.73
Q3 2020	44,731	$8,939	$188.44	$172.53 - $201.15
Q2 2020	39,109	$7,781	$182.16	$136.65 - $217.57