Clean Harbors, Inc.
MX ˙ BMV ˙ US1844961078
SecurityMX:CLH1 / Clean Harbors, Inc.
InstitutionPerpetual Ltd
Latest Disclosed Ownership60,786 shares
Latest Disclosed Value $ 17,429,170
Perpetual Ltd reports 1.56% increase in ownership of CLH1 / Clean Harbors, Inc.

On April 14, 2026 - Perpetual Ltd filed a 13F-HR form disclosing ownership of 60,786 shares of Clean Harbors, Inc. (MX:CLH1) valued at $17,429,170 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 20, 2026 disclosing 59,854 shares of Clean Harbors, Inc.. This represents a change in shares of 1.56% 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.

Upgrade to unlock premium data and export to Excel .

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)
2026-04-14 2026-03-31 13F CLEAN HARBORS COM 184496107 60,786 932 1.56 17,429 24.19 0.2673
2026-01-20 2025-12-31 13F CLEAN HARBORS COM 184496107 59,854 -1,735 -2.82 14,035 -1.87 0.2030
2025-10-10 2025-09-30 13F CLEAN HARBORS COM 184496107 61,589 658 1.08 14,302 1.53 0.1775
2025-07-11 2025-06-30 13F CLEAN HARBORS COM 184496107 60,931 217 0.36 14,086 17.72 0.1653
2025-04-24 2025-03-31 13F CLEAN HARBORS COM 184496107 60,714 13,536 28.69 11,967 10.21 0.1445
2025-01-17 2024-12-31 13F CLEAN HARBORS COM 184496107 47,178 505 1.08 10,858 -3.76 0.1275
2024-10-09 2024-09-30 13F CLEAN HARBORS COM 184496107 46,673 -8,084 -14.76 11,281 -8.90 0.1223
2024-07-30 2024-06-30 13F CLEAN HARBORS COM 184496107 54,757 1,956 3.70 12,383 16.50 0.1346
2024-04-16 2024-03-31 13F/A-1 CLEAN HARBORS COM 184496107 52,801 4,606 9.56 10,629 26.39 0.1039
2024-04-10 2024-03-31 13F CLEAN HARBORS COM 184496107 52,801 4,606 10,629 0.0659
2024-02-15 2023-12-31 13F CLEAN HARBORS COM 184496107 48,195 1,551 3.33 8,411 7.74 0.0868
2023-10-10 2023-09-30 13F CLEAN HARBORS COM 184496107 46,644 569 1.23 7,806 3.04 0.0807
2023-07-13 2023-06-30 13F CLEAN HARBORS COM 184496107 46,075 1,007 2.23 7,576 17.93 0.0650
2023-05-08 2023-03-31 13F CLEAN HARBORS COM 184496107 45,068 -33,728 -42.80 6,425 45.50 0.0556
2020-12-08 2020-09-30 13F CLEAN HARBORS COM 184496107 78,796 17,489 28.53 4,415 20.07 0.3177
2020-12-08 2020-06-30 13F/A-1 CLEAN HARBORS COM 184496107 61,307 0 0.00 3,677 16.80 0.3438
2020-11-18 2020-06-30 13F CLEAN HARBORS COM 184496107 61,307 0 7,757 341,249.3324
2020-12-08 2020-03-31 13F/A-1 CLEAN HARBORS COM 184496107 61,307 61,307 3,148 0.4454
2020-11-18 2020-03-31 13F CLEAN HARBORS COM 184496107 61,307 61,307 8,402 445,276.1353
2017-11-01 2017-09-30 13F CLEAN HARBORS COM 184496107 0 -67,525 -100.00 0 -100.00
2017-09-26 2017-06-30 13F CLEAN HARBORS COM 184496107 67,525 -13,945 -17.12 3,770 -3.56 0.2947
2017-09-26 2016-09-30 13F CLEAN HARBORS COM 184496107 81,470 2,400 3.04 3,909 -5.12 0.3206
2017-09-26 2016-06-30 13F CLEAN HARBORS COM 184496107 79,070 0 0.00 4,120 5.61 0.4097
2017-09-26 2016-03-31 13F CLEAN HARBORS COM 184496107 79,070 -10,550 -11.77 3,901 4.50 0.3955
2017-09-26 2015-12-31 13F CLEAN HARBORS COM 184496107 89,620 12,120 15.64 3,733 9.54 0.4170
2017-09-26 2015-09-30 13F CLEAN HARBORS COM 184496107 77,500 10,580 15.81 3,408 -5.23 0.4051
2017-09-26 2015-06-30 13F CLEAN HARBORS COM 184496107 66,920 4,920 7.94 3,596 2.16 0.4128
2017-09-26 2015-03-31 13F CLEAN HARBORS COM 184496107 62,000 -6,700 -9.75 3,520 6.63 0.3965
2017-09-26 2014-12-31 13F CLEAN HARBORS COM 184496107 68,700 19,940 40.89 3,301 25.56 0.3883
2017-09-26 2014-09-30 13F CLEAN HARBORS COM 184496107 48,760 12,200 33.37 2,629 11.92 0.2838
2017-09-26 2014-06-30 13F CLEAN HARBORS COM 184496107 36,560 -4,220 -10.35 2,349 5.15 0.2071
2017-09-26 2014-03-31 13F CLEAN HARBORS COM 184496107 40,780 11,780 40.62 2,234 28.46 0.3281
2017-09-26 2013-12-31 13F CLEAN HARBORS COM 184496107 29,000 29,000 1,739 0.2287
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.