ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

AQR CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001167557)

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

Q4 2025

Shares 929,547 Value ($000) $244,025 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 782,870 Value ($000) $213,637 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 727,370 Value ($000) $193,753 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 337,389 Value ($000) $84,455 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 195,980 Value ($000) $45,922 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 230,711 Value ($000) $58,460 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 109,521 Value ($000) $26,066 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 97,719 Value ($000) $22,563 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 47,307 Value ($000) $9,383 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 37,819 Value ($000) $6,407 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 14,509 Value ($000) $2,685 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 11,107 Value ($000) $1,827 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 72,417 Value ($000) $10,541 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 189,588 Value ($000) $27,380 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 248,160 Value ($000) $37,410 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 358,089 Value ($000) $63,224 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 395,168 Value ($000) $92,280 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 462,829 Value ($000) $96,556 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 555,390 Value ($000) $114,172 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 666,601 Value ($000) $142,699 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 701,155 Value ($000) $151,702 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 697,124 Value ($000) $139,313 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 728,876 Value ($000) $141,941 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 818,656 Value ($000) $127,571 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 833,805 Value ($000) $160,916 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 670,354 Value ($000) $132,757 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 559,043 Value ($000) $110,377 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 411,969 Value ($000) $72,334 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 400,969 Value ($000) $59,083 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 289,268 Value ($000) $45,351 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 169,578 Value ($000) $23,797 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 138,843 Value ($000) $19,031 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 136,029 Value ($000) $18,252 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 97,563 Value ($000) $12,548 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 84,414 Value ($000) $11,206 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 69,206 Value ($000) $8,674 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 65,410 Value ($000) $7,667 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 48,721 Value ($000) $5,930 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 41,147 Value ($000) $4,880 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 34,851 Value ($000) $3,887 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 33,701 Value ($000) $3,855 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 31,952 Value ($000) $3,506 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 6,065 Value ($000) $686 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 6,065 Value ($000) $694 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 19,165 Value ($000) $2,003 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 32,024 Value ($000) $3,677 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 28,924 Value ($000) $3,220 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 50,124 Value ($000) $5,413 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 50,447 Value ($000) $5,260 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 27,108 Value ($000) $2,677 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 34,665 Value ($000) $2,953 Avg Close $73.48 Range $68.51 - $77.84

Q4 2012

Shares 18,665 Value ($000) $1,342 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	929,547	$244,025	$265.71	$251.04 - $281.41
Q3 2025	782,870	$213,637	$270.32	$253.71 - $284.56
Q2 2025	727,370	$193,753	$252.35	$219.93 - $269.19
Q1 2025	337,389	$84,455	$249.61	$225.31 - $270.90
Q4 2024	195,980	$45,922	$245.53	$230.70 - $259.26
Q3 2024	230,711	$58,460	$241.07	$217.65 - $253.31
Q2 2024	109,521	$26,066	$227.14	$213.29 - $242.24
Q1 2024	97,719	$22,563	$207.94	$189.63 - $227.85
Q4 2023	47,307	$9,383	$175.85	$153.18 - $197.06
Q3 2023	37,819	$6,407	$177.30	$163.22 - $186.52
Q2 2023	14,509	$2,685	$167.31	$156.95 - $182.94
Q1 2023	11,107	$1,827	$150.99	$139.35 - $161.29
Q4 2022	72,417	$10,541	$141.81	$126.42 - $153.48
Q3 2022	189,588	$27,380	$156.07	$138.29 - $171.23
Q2 2022	248,160	$37,410	$158.99	$137.82 - $177.76
Q1 2022	358,089	$63,224	$179.54	$147.91 - $226.74
Q4 2021	395,168	$92,280	$215.53	$199.33 - $227.72
Q3 2021	462,829	$96,556	$208.54	$195.25 - $219.93
Q2 2021	555,390	$114,172	$206.33	$194.28 - $218.25
Q1 2021	666,601	$142,699	$201.55	$190.45 - $215.84
Q4 2020	701,155	$151,702	$197.47	$171.24 - $214.73
Q3 2020	697,124	$139,313	$188.44	$172.53 - $201.15
Q2 2020	728,876	$141,941	$182.16	$136.65 - $217.57
Q1 2020	818,656	$127,571	$176.33	$117.17 - $198.13
Q4 2019	833,805	$160,916	$177.67	$169.74 - $186.58
Q3 2019	670,354	$132,757	$187.16	$179.22 - $195.89
Q2 2019	559,043	$110,377	$173.21	$164.99 - $187.12
Q1 2019	411,969	$72,334	$150.92	$131.24 - $169.66
Q4 2018	400,969	$59,083	$141.48	$126.10 - $150.86
Q3 2018	289,268	$45,351	$137.00	$128.06 - $148.09
Q2 2018	169,578	$23,797	$132.91	$122.30 - $138.58
Q1 2018	138,843	$19,031	$123.54	$115.47 - $129.02
Q4 2017	136,029	$18,252	$121.85	$117.53 - $126.30
Q3 2017	97,563	$12,548	$120.10	$116.11 - $122.59
Q2 2017	84,414	$11,206	$117.68	$113.27 - $123.01
Q1 2017	69,206	$8,674	$111.04	$106.47 - $114.69
Q4 2016	65,410	$7,667	$105.98	$100.13 - $110.74
Q3 2016	48,721	$5,930	$108.98	$105.46 - $112.42
Q2 2016	41,147	$4,880	$104.92	$98.81 - $109.58
Q1 2016	34,851	$3,887	$95.34	$88.43 - $102.02
Q4 2015	33,701	$3,855	$105.21	$98.01 - $109.49
Q3 2015	31,952	$3,506	$99.79	$91.88 - $104.89
Q2 2015	6,065	$686	$102.25	$97.79 - $105.41
Q1 2015	6,065	$694	$97.19	$86.65 - $103.73
Q4 2014	19,165	$2,003	$96.70	$89.74 - $101.94
Q3 2014	32,024	$3,677	$99.26	$94.57 - $104.65
Q2 2014	28,924	$3,220	$94.25	$89.51 - $98.33
Q1 2014	50,124	$5,413	$91.92	$85.62 - $98.30
Q4 2013	50,447	$5,260	$90.95	$84.34 - $94.74
Q3 2013	27,108	$2,677	$81.20	$74.57 - $86.97
Q2 2013	34,665	$2,953	$73.48	$68.51 - $77.84
Q4 2012	18,665	$1,342	—	—