CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

CITIGROUP INC's Holding History (CIK: 0000831001)

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

Q4 2025

Shares 77,219 Value ($000) $18,106 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 248,152 Value ($000) $57,626 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 246,497 Value ($000) $56,985 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 263,352 Value ($000) $51,907 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 192,661 Value ($000) $44,339 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 233,619 Value ($000) $56,468 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 220,741 Value ($000) $49,921 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 218,778 Value ($000) $44,042 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 219,771 Value ($000) $38,352 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 222,706 Value ($000) $37,272 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 227,383 Value ($000) $37,389 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 238,252 Value ($000) $33,965 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 251,948 Value ($000) $28,752 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 267,829 Value ($000) $29,456 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 327,521 Value ($000) $28,714 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 398,799 Value ($000) $44,522 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 395,875 Value ($000) $39,496 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 411,905 Value ($000) $42,784 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 439,927 Value ($000) $40,975 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 362,568 Value ($000) $30,477 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 232,663 Value ($000) $17,704 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 161,610 Value ($000) $9,054 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 109,346 Value ($000) $6,559 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 7,730 Value ($000) $397 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 6,522 Value ($000) $559 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 8,716 Value ($000) $673 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 21,274 Value ($000) $1,513 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 4,107 Value ($000) $294 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 2,574 Value ($000) $127 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 14,207 Value ($000) $1,017 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 47 Value ($000) $3 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 23 Value ($000) $1 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 774 Value ($000) $42 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 615 Value ($000) $35 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 49 Value ($000) $3 Avg Close $57.50 Range $53.17 - $61.62

Q3 2016

Shares 9,486 Value ($000) $455 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 44 Value ($000) $2 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 583 Value ($000) $28 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 470 Value ($000) $20 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 332 Value ($000) $14 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 266 Value ($000) $14 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 442 Value ($000) $25 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 1,263 Value ($000) $61 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 832 Value ($000) $45 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 8,621 Value ($000) $554 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 9,444 Value ($000) $518 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 34,052 Value ($000) $2,041 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 5,500 Value ($000) $322 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 3,947 Value ($000) $200 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	77,219	$18,106	$228.49	$201.34 - $248.07
Q3 2025	248,152	$57,626	$236.75	$218.46 - $251.43
Q2 2025	246,497	$56,985	$218.92	$178.29 - $235.43
Q1 2025	263,352	$51,907	$218.84	$186.54 - $247.51
Q4 2024	192,661	$44,339	$248.40	$220.10 - $267.11
Q3 2024	233,619	$56,468	$235.10	$217.36 - $251.65
Q2 2024	220,741	$49,921	$209.64	$189.32 - $231.15
Q1 2024	218,778	$44,042	$179.73	$161.39 - $202.58
Q4 2023	219,771	$38,352	$164.14	$132.92 - $179.49
Q3 2023	222,706	$37,272	$168.59	$160.37 - $178.33
Q2 2023	227,383	$37,389	$146.18	$129.70 - $164.80
Q1 2023	238,252	$33,965	$130.22	$110.96 - $144.20
Q4 2022	251,948	$28,752	$116.83	$109.07 - $125.41
Q3 2022	267,829	$29,456	$107.08	$83.56 - $124.49
Q2 2022	327,521	$28,714	$96.49	$81.56 - $115.00
Q1 2022	398,799	$44,522	$98.73	$87.11 - $113.71
Q4 2021	395,875	$39,496	$105.37	$90.25 - $118.89
Q3 2021	411,905	$42,784	$98.39	$89.03 - $106.90
Q2 2021	439,927	$40,975	$90.87	$83.56 - $96.47
Q1 2021	362,568	$30,477	$84.13	$73.69 - $91.94
Q4 2020	232,663	$17,704	$67.02	$52.22 - $77.16
Q3 2020	161,610	$9,054	$59.23	$52.29 - $67.07
Q2 2020	109,346	$6,559	$55.73	$44.36 - $71.22
Q1 2020	7,730	$397	$73.03	$29.45 - $88.40
Q4 2019	6,522	$559	$81.27	$71.31 - $88.01
Q3 2019	8,716	$673	$73.96	$67.83 - $80.06
Q2 2019	21,274	$1,513	$69.62	$62.54 - $77.24
Q1 2019	4,107	$294	$61.79	$48.13 - $72.26
Q4 2018	2,574	$127	$62.29	$46.21 - $72.46
Q3 2018	14,207	$1,017	$63.60	$54.90 - $72.50
Q2 2018	47	$3	$51.36	$44.75 - $56.00
Q1 2018	23	$1	$52.41	$46.62 - $57.97
Q4 2017	774	$42	$54.14	$51.43 - $58.22
Q3 2017	615	$35	$54.44	$49.63 - $58.28
Q2 2017	49	$3	$57.50	$53.17 - $61.62
Q3 2016	9,486	$455	$49.57	$44.91 - $53.79
Q2 2016	44	$2	$50.01	$46.40 - $54.54
Q1 2016	583	$28	$43.78	$37.09 - $49.97
Q4 2015	470	$20	$43.45	$39.89 - $48.05
Q3 2015	332	$14	$49.63	$43.00 - $54.31
Q2 2015	266	$14	$55.82	$50.65 - $59.29
Q1 2015	442	$25	$51.78	$44.70 - $58.44
Q4 2014	1,263	$61	$48.74	$43.05 - $53.84
Q3 2014	832	$45	$58.81	$53.66 - $65.53
Q2 2014	8,621	$554	$59.46	$52.02 - $64.30
Q1 2014	9,444	$518	$54.49	$44.95 - $60.47
Q4 2013	34,052	$2,041	$57.66	$51.77 - $64.12
Q3 2013	5,500	$322	$55.80	$50.23 - $59.80
Q2 2013	3,947	$200	$55.73	$50.37 - $61.28