ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q4 2025

Shares 5,657 Value ($000) $1,485 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 9,357 Value ($000) $2,563 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 9,357 Value ($000) $2,521 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 20,793 Value ($000) $5,271 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 15,951 Value ($000) $3,738 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 902 Value ($000) $230 Avg Close $241.07 Range $217.65 - $253.31

Q3 2020

Shares 6,708 Value ($000) $1,341 Avg Close $188.44 Range $172.53 - $201.15

Q4 2014

Shares 156,235 Value ($000) $16,330 Avg Close $96.70 Range $89.74 - $101.94

Q1 2014

Shares 21,665 Value ($000) $2,340 Avg Close $91.92 Range $85.62 - $98.30

Q2 2013

Shares 39,225 Value ($000) $3,342 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,657	$1,485	$265.71	$251.04 - $281.41
Q3 2025	9,357	$2,563	$270.32	$253.71 - $284.56
Q2 2025	9,357	$2,521	$252.35	$219.93 - $269.19
Q1 2025	20,793	$5,271	$249.61	$225.31 - $270.90
Q4 2024	15,951	$3,738	$245.53	$230.70 - $259.26
Q3 2024	902	$230	$241.07	$217.65 - $253.31
Q3 2020	6,708	$1,341	$188.44	$172.53 - $201.15
Q4 2014	156,235	$16,330	$96.70	$89.74 - $101.94
Q1 2014	21,665	$2,340	$91.92	$85.62 - $98.30
Q2 2013	39,225	$3,342	$73.48	$68.51 - $77.84