Clean Harbors, Inc.
MX ˙ BMV ˙ US1844961078
SecurityMX:CLH1 / Clean Harbors, Inc.
InstitutionJupiter Asset Management Ltd
Latest Disclosed Ownership82,925 shares
Latest Disclosed Value $ 23,777,085
Jupiter Asset Management Ltd reports 22.71% decrease in ownership of CLH1 / Clean Harbors, Inc.

On May 12, 2026 - Jupiter Asset Management Ltd filed a 13F-HR form disclosing ownership of 82,925 shares of Clean Harbors, Inc. (MX:CLH1) valued at $23,777,085 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 107,284 shares of Clean Harbors, Inc.. This represents a change in shares of -22.71% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F CLEAN HARBORS COM* 184496107 82,925 -24,359 -22.71 23,777 -5.48 0.1002
2026-02-10 2025-12-31 13F CLEAN HARBORS COM 184496107 107,284 0 0.00 25,156 0.97 0.2014
2025-11-10 2025-09-30 13F CLEAN HARBORS COM 184496107 107,284 -19,314 -15.26 24,913 -14.87 0.2139
2025-08-08 2025-06-30 13F CLEAN HARBORS COM 184496107 126,598 -9,884 -7.24 29,267 8.80 0.2442
2025-05-09 2025-03-31 13F CLEAN HARBORS COM 184496107 136,482 -3,812 -2.72 26,901 -16.68 0.2579
2025-02-10 2024-12-31 13F CLEAN HARBORS COM 184496107 140,294 0 0.00 32,287 -4.79 0.3149
2024-11-12 2024-09-30 13F CLEAN HARBORS COM 184496107 140,294 -9,191 -6.15 33,910 0.31 0.2972
2024-08-08 2024-06-30 13F CLEAN HARBORS COM 184496107 149,485 0 0.00 33,806 12.34 0.3194
2024-05-10 2024-03-31 13F CLEAN HARBORS COM 184496107 149,485 116 0.08 30,093 15.45 0.2873
2024-02-09 2023-12-31 13F CLEAN HARBORS COM 184496107 149,369 -142 -0.09 26,066 4.17 0.2584
2023-11-09 2023-09-30 13F CLEAN HARBORS COM 184496107 149,511 -18,146 -10.82 25,022 -9.17 0.2769
2023-08-10 2023-06-30 13F CLEAN HARBORS COM 184496107 167,657 -1,432 -0.85 27,549 14.40 0.3011
2023-05-10 2023-03-31 13F CLEAN HARBORS COM 184496107 169,089 17,185 11.31 24,082 38.99 0.3327
2023-02-10 2022-12-31 13F CLEAN HARBORS COM 184496107 151,904 1,674 1.11 17,326 4.87 0.2534
2022-11-10 2022-09-30 13F CLEAN HARBORS COM 184496107 150,230 0 0.00 16,522 25.30 0.2554
2022-08-10 2022-06-30 13F CLEAN HARBORS COM 184496107 150,230 -616 -0.41 13,186 -21.69 0.1855
2022-05-11 2022-03-31 13F CLEAN HARBORS COM 184496107 150,846 33,833 28.91 16,839 46.92 0.1998
2022-02-11 2021-12-31 13F CLEAN HARBORS COM 184496107 117,013 821 0.71 11,461 -5.03 0.1258
2021-11-10 2021-09-30 13F CLEAN HARBORS COM 184496107 116,192 -507 -0.43 12,068 11.10 0.1367
2021-08-10 2021-06-30 13F CLEAN HARBORS COM 184496107 116,699 0 0.00 10,862 120,588.89 0.1119
2021-05-12 2021-03-31 13F CLEAN HARBORS COM 184496107 116,699 -49,043 -29.59 10 -25.00 0.0966
2021-02-10 2020-12-31 13F CLEAN HARBORS COM 184496107 165,742 0 0.00 13 33.33 0.1272
2020-11-10 2020-09-30 13F CLEAN HARBORS COM 184496107 165,742 0 0.00 9 -99.91 0.0979
2020-08-11 2020-06-30 13F CLEAN HARBORS COM 184496107 165,742 0 0.00 9,941 16.84 0.3314
2020-05-12 2020-03-31 13F CLEAN HARBORS COM 184496107 165,742 -1,183 -0.71 8,508 -40.57 0.3682
2020-02-11 2019-12-31 13F CLEAN HARBORS COM 184496107 166,925 0 0.00 14,315 11.08 0.4416
2019-11-13 2019-09-30 13F CLEAN HARBORS COM 184496107 166,925 0 0.00 12,887 8.50 0.4214
2019-08-12 2019-06-30 13F CLEAN HARBORS COM 184496107 166,925 0 0.00 11,877 -0.54 0.3765
2019-05-13 2019-03-31 13F CLEAN HARBORS COM 184496107 166,925 -161 -0.10 11,942 44.82 0.3865
2019-02-11 2018-12-31 13F CLEAN HARBORS COM 184496107 167,086 -70,000 -29.53 8,246 -50.94 0.2894
2018-11-09 2018-09-30 13F CLEAN HARBORS COM 184496107 237,086 0 0.00 16,807 27.62 0.4813
2018-08-13 2018-06-30 13F/A-1 CLEAN HARBORS COM 184496107 237,086 0 0.00 13,170 13.81 0.3854
2018-08-10 2018-06-30 13F CLEAN HARBORS COM 184496107 237,086 0 13,170
2018-05-11 2018-03-31 13F CLEAN HARBORS COM 184496107 237,086 7,447 3.24 11,572 -7.02 0.3520
2018-02-12 2017-12-31 13F CLEAN HARBORS COM 184496107 229,639 -11,017 -4.58 12,446 -8.79 0.3581
2017-11-13 2017-09-30 13F CLEAN HARBORS COM 184496107 240,656 -14,304 -5.61 13,645 -4.14 0.4650
2017-08-11 2017-06-30 13F CLEAN HARBORS COM 184496107 254,960 -21,245 -7.69 14,234 -7.35 0.4937
2017-05-11 2017-03-31 13F CLEAN HARBORS COM 184496107 276,205 300 0.11 15,363 0.06 0.5611
2017-02-10 2016-12-31 13F CLEAN HARBORS COM 184496107 275,905 -234 -0.08 15,354 15.89 0.5733
2016-11-14 2016-09-30 13F CLEAN HARBORS COM 184496107 276,139 -2,128 -0.76 13,249 -8.63 0.5004
2016-08-10 2016-06-30 13F CLEAN HARBORS COM 184496107 278,267 -24,174 -7.99 14,500 -2.83 0.5541
2016-05-11 2016-03-31 13F CLEAN HARBORS COM 184496107 302,441 -14,758 -4.65 14,922 12.95 0.5671
2016-02-12 2015-12-31 13F CLEAN HARBORS COM 184496107 317,199 0 0.00 13,211 -5.28 0.4843
2015-11-12 2015-09-30 13F CLEAN HARBORS COM 184496107 317,199 1,576 0.50 13,947 -17.78 0.5452
2015-11-06 2015-06-30 13F/A-1 CLEAN HARBORS COM 184496107 315,623 185 0.06 16,962 -5.30 0.5952
2015-08-10 2015-06-30 13F CLEAN HARBORS COM 184496107 315,623 16,962
2015-05-14 2015-03-31 13F CLEAN HARBORS COM 184496107 315,438 0 0.00 17,911 18.18 0.6241
2015-02-09 2014-12-31 13F CLEAN HARBORS COM 184496107 315,438 125,500 66.07 15,157 47.99 0.4909
2014-11-07 2014-09-30 13F CLEAN HARBORS COM 184496107 189,938 100 0.05 10,241 -16.04 0.3422
2014-08-11 2014-06-30 13F CLEAN HARBORS COM 184496107 189,838 -2,800 -1.45 12,197 15.56 0.3866
2014-04-03 2014-03-31 13F CLEAN HARBORS COM 184496107 192,638 41,610 27.55 10,555 16.57 0.3399
2014-01-07 2013-12-31 13F CLEAN HARBORS COM 184496107 151,028 -210 -0.14 9,056 2.07 0.3516
2013-10-09 2013-09-30 13F CLEAN HARBORS COM 184496107 151,238 470 0.31 8,872 16.45 0.3904
2013-07-25 2013-06-30 13F CLEAN HARBORS COM 184496107 150,768 150,768 7,618 0.3402
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.