CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 477,440 Value ($000) $111,950 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 465,452 Value ($000) $108,087 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 452,490 Value ($000) $104,607 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 456,426 Value ($000) $89,962 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 444,961 Value ($000) $102,403 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 440,336 Value ($000) $106,434 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 439,703 Value ($000) $99,439 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 431,801 Value ($000) $86,926 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 429,069 Value ($000) $74,877 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 424,694 Value ($000) $71,077 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 554,826 Value ($000) $91,230 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 570,955 Value ($000) $81,395 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 577,157 Value ($000) $65,865 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 567,715 Value ($000) $62,438 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 554,914 Value ($000) $48,650 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 538,713 Value ($000) $60,142 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 522,098 Value ($000) $52,090 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 516,970 Value ($000) $53,698 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 510,267 Value ($000) $47,527 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 497,784 Value ($000) $41,844 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 492,778 Value ($000) $37,501 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 486,179 Value ($000) $27,241 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 492,760 Value ($000) $29,556 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 507,994 Value ($000) $26,081 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 474,869 Value ($000) $40,721 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 470,144 Value ($000) $36,296 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 444,464 Value ($000) $31,602 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 453,213 Value ($000) $32,419 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 423,530 Value ($000) $20,902 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 433,460 Value ($000) $31,028 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 413,950 Value ($000) $22,995 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 379,990 Value ($000) $18,548 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 349,557 Value ($000) $18,946 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 326,573 Value ($000) $18,517 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 299,467 Value ($000) $16,720 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 287,081 Value ($000) $15,968 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 260,744 Value ($000) $14,511 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 239,253 Value ($000) $11,480 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 228,192 Value ($000) $11,892 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 210,840 Value ($000) $10,403 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 213,091 Value ($000) $8,876 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 177,330 Value ($000) $7,798 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 166,179 Value ($000) $8,931 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 145,420 Value ($000) $8,257 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 144,366 Value ($000) $6,937 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 133,528 Value ($000) $7,200 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 130,047 Value ($000) $8,356 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 125,900 Value ($000) $6,899 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 110,793 Value ($000) $6,644 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 100,765 Value ($000) $5,905 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 88,814 Value ($000) $4,531 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	477,440	$111,950	$228.49	$201.34 - $248.07
Q3 2025	465,452	$108,087	$236.75	$218.46 - $251.43
Q2 2025	452,490	$104,607	$218.92	$178.29 - $235.43
Q1 2025	456,426	$89,962	$218.84	$186.54 - $247.51
Q4 2024	444,961	$102,403	$248.40	$220.10 - $267.11
Q3 2024	440,336	$106,434	$235.10	$217.36 - $251.65
Q2 2024	439,703	$99,439	$209.64	$189.32 - $231.15
Q1 2024	431,801	$86,926	$179.73	$161.39 - $202.58
Q4 2023	429,069	$74,877	$164.14	$132.92 - $179.49
Q3 2023	424,694	$71,077	$168.59	$160.37 - $178.33
Q2 2023	554,826	$91,230	$146.18	$129.70 - $164.80
Q1 2023	570,955	$81,395	$130.22	$110.96 - $144.20
Q4 2022	577,157	$65,865	$116.83	$109.07 - $125.41
Q3 2022	567,715	$62,438	$107.08	$83.56 - $124.49
Q2 2022	554,914	$48,650	$96.49	$81.56 - $115.00
Q1 2022	538,713	$60,142	$98.73	$87.11 - $113.71
Q4 2021	522,098	$52,090	$105.37	$90.25 - $118.89
Q3 2021	516,970	$53,698	$98.39	$89.03 - $106.90
Q2 2021	510,267	$47,527	$90.87	$83.56 - $96.47
Q1 2021	497,784	$41,844	$84.13	$73.69 - $91.94
Q4 2020	492,778	$37,501	$67.02	$52.22 - $77.16
Q3 2020	486,179	$27,241	$59.23	$52.29 - $67.07
Q2 2020	492,760	$29,556	$55.73	$44.36 - $71.22
Q1 2020	507,994	$26,081	$73.03	$29.45 - $88.40
Q4 2019	474,869	$40,721	$81.27	$71.31 - $88.01
Q3 2019	470,144	$36,296	$73.96	$67.83 - $80.06
Q2 2019	444,464	$31,602	$69.62	$62.54 - $77.24
Q1 2019	453,213	$32,419	$61.79	$48.13 - $72.26
Q4 2018	423,530	$20,902	$62.29	$46.21 - $72.46
Q3 2018	433,460	$31,028	$63.60	$54.90 - $72.50
Q2 2018	413,950	$22,995	$51.36	$44.75 - $56.00
Q1 2018	379,990	$18,548	$52.41	$46.62 - $57.97
Q4 2017	349,557	$18,946	$54.14	$51.43 - $58.22
Q3 2017	326,573	$18,517	$54.44	$49.63 - $58.28
Q2 2017	299,467	$16,720	$57.50	$53.17 - $61.62
Q1 2017	287,081	$15,968	$55.34	$52.77 - $59.17
Q4 2016	260,744	$14,511	$50.41	$43.03 - $58.23
Q3 2016	239,253	$11,480	$49.57	$44.91 - $53.79
Q2 2016	228,192	$11,892	$50.01	$46.40 - $54.54
Q1 2016	210,840	$10,403	$43.78	$37.09 - $49.97
Q4 2015	213,091	$8,876	$43.45	$39.89 - $48.05
Q3 2015	177,330	$7,798	$49.63	$43.00 - $54.31
Q2 2015	166,179	$8,931	$55.82	$50.65 - $59.29
Q1 2015	145,420	$8,257	$51.78	$44.70 - $58.44
Q4 2014	144,366	$6,937	$48.74	$43.05 - $53.84
Q3 2014	133,528	$7,200	$58.81	$53.66 - $65.53
Q2 2014	130,047	$8,356	$59.46	$52.02 - $64.30
Q1 2014	125,900	$6,899	$54.49	$44.95 - $60.47
Q4 2013	110,793	$6,644	$57.66	$51.77 - $64.12
Q3 2013	100,765	$5,905	$55.80	$50.23 - $59.80
Q2 2013	88,814	$4,531	$55.73	$50.37 - $61.28