Clean Harbors, Inc.
MX ˙ BMV ˙ US1844961078
SecurityMX:CLH1 / Clean Harbors, Inc.
InstitutionNorges Bank
Latest Disclosed Ownership2,905,134 shares
Ownership 4.79%
Norges Bank ownership in CLH1 / Clean Harbors, Inc.

2013-10-25 - Norges Bank has filed an SC 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 2,905,134 shares of Clean Harbors, Inc. (MX:CLH1). This represents 4.79 percent ownership of the company.

Institutional Ownership: 13D/G Filings

This table shows a history of the 13D/G filings made by the investor and/or investor group. Note that the share values in this table are not directly comparable to any numbers shown in the 13F table (if any).

File
Date		Effective
Date		Form Prev
Shares		 Latest
Shares		 ΔShares
(Percent)		 Ownership
(Percent)		 ΔOwnership
(Percent)
2013-10-25 2013-10-25 13G/A 2,905,134 4.79
2013-07-05 2013-07-05 13G 3,071,134 5.07

Important Note: One of the primary uses of the 13D/G filings is to evaluate the ability of a firm to control a company (ie, the "beneficial ownership"). To that end, firms are required to report not just direct holdings in companies, but indirect holdings that they control. For investment firms, these indirect holdings can include shares in funds they manage, advisory accounts, and in the case of activist campaigns, pledged votes. Therefore, share counts listed in 13D/G filings can differ significantly than share counts listed in 13F filings.

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)
2026-02-10 2025-12-31 13F CLEAN HARBORS COM 184496107 649,075 649,075 152,195 0.0163
2025-11-13 2025-09-30 13F CLEAN HARBORS COM 184496107 0 -638,600 -100.00 0 -100.00
2025-08-13 2025-06-30 13F CLEAN HARBORS COM 184496107 638,600 24,505 3.99 147,632 21.97 0.0184
2026-05-11 2025-03-31 13F/A-1 CLEAN HARBORS COM 184496107 614,095 18,916 3.18 121,038 -11.63 0.0170
2025-02-12 2024-12-31 13F CLEAN HARBORS COM 184496107 595,179 548 0.09 136,974 -4.70 0.0180
2025-11-12 2024-09-30 13F/A-1 CLEAN HARBORS COM 184496107 594,631 -755 -0.13 143,728 6.75 0.0201
2024-08-14 2024-06-30 13F CLEAN HARBORS COM 184496107 595,386 12,662 2.17 134,647 14.78 0.0201
2025-05-14 2024-03-31 13F/A-1 CLEAN HARBORS COM 184496107 582,724 83,763 16.79 117,308 34.72 0.0185
2024-02-09 2023-12-31 13F CLEAN HARBORS COM 184496107 498,961 -31,841 -6.00 87,074 -1.98 0.0152
2024-11-13 2023-09-30 13F/A-1 CLEAN HARBORS COM 184496107 530,802 -27,570 -4.94 88,835 -3.24 0.0180
2024-08-14 2023-06-30 13F/A-1 CLEAN HARBORS COM 184496107 558,372 -29,683 -5.05 91,813 9.52 0.0181
2024-05-15 2023-03-31 13F/A-1 CLEAN HARBORS COM 184496107 588,055 9,595 1.66 83,833 26.99 0.0183
2023-02-14 2022-12-31 13F CLEAN HARBORS COM 184496107 578,460 53,568 10.21 66,014 14.35 0.0159
2023-11-13 2022-09-30 13F/A-1 CLEAN HARBORS COM 184496107 524,892 22,259 4.43 57,728 31.00 0.0153
2023-08-14 2022-06-30 13F/A-1 CLEAN HARBORS COM 184496107 502,633 -6,597 -1.30 44,066 -22.49 0.0114
2023-05-12 2022-03-31 13F/A-1 CLEAN HARBORS COM 184496107 509,230 -20,431 -3.86 56,850 7.58 0.0124
2022-03-09 2021-12-31 13F/A-1 CLEAN HARBORS COM 184496107 529,661 0 0.00 52,844 -3.95 0.0109
2022-11-14 2021-09-30 13F/A-1 CLEAN HARBORS COM 184496107 529,661 84,833 19.07 55,016 32.79 0.0122
2022-08-15 2021-06-30 13F/A-1 CLEAN HARBORS COM 184496107 444,828 -45,950 -9.36 41,431 0.43 0.0090
2022-05-09 2021-03-31 13F/A-1 CLEAN HARBORS COM 184496107 490,778 -124,859 -20.28 41,255 -11.94 0.0094
2021-03-02 2020-12-31 13F/A-1 CLEAN HARBORS COM 184496107 615,637 0 0.00 46,850 35.82 0.0109
2021-11-12 2020-09-30 13F/A-1 CLEAN HARBORS COM 184496107 615,637 0 0.00 34,494 -6.59 0.0092
2021-08-13 2020-06-30 13F/A-1 CLEAN HARBORS COM 184496107 615,637 68,036 12.42 36,926 31.34 0.0106
2021-05-07 2020-03-31 13F/A-1 CLEAN HARBORS COM 184496107 547,601 0 0.00 28,114 -40.13 0.0100
2020-03-03 2019-12-31 13F/A-1 CLEAN HARBORS COM 184496107 547,601 14,982 2.81 46,957 14.20 0.0131
2020-11-13 2019-09-30 13F/A-1 CLEAN HARBORS COM 184496107 532,619 13,161 2.53 41,118 11.33 0.0126
2020-08-13 2019-06-30 13F/A-1 CLEAN HARBORS COM 184496107 519,458 0 0.00 36,934 -0.60 0.0114
2020-05-11 2019-03-31 13F/A-2 CLEAN HARBORS COM 184496107 519,458 43,590 9.16 37,157 58.22 0.0120
2019-03-04 2018-12-31 13F/A-1 CLEAN HARBORS COM 184496107 475,868 0 0.00 23,484 -31.06 0.0087
2019-12-02 2018-09-30 13F/A-3 CLEAN HARBORS COM 184496107 475,868 55,973 13.33 34,062 46.03 0.0111
2019-12-02 2018-09-30 13F/A-2 CLEAN HARBORS COM 184496107 475,868 55,973 34,062 0.0111
2019-11-12 2018-09-30 13F/A-1 CLEAN HARBORS COM 184496107 475,868 55,973 34,062 0.0111
2019-08-12 2018-06-30 13F/A-1 CLEAN HARBORS COM 184496107 419,895 0 0.00 23,325 13.81 0.0080
2019-05-15 2018-03-31 13F/A-2 CLEAN HARBORS COM 184496107 419,895 -77,540 -15.59 20,495 -23.98 0.0074
2018-03-05 2017-12-31 13F/A-1 CLEAN HARBORS COM 184496107 497,435 153,980 44.83 26,961 38.45 0.0097
2018-11-13 2017-09-30 13F/A-1 CLEAN HARBORS COM 184496107 343,455 0 0.00 19,474 1.56 0.0074
2018-07-24 2017-06-30 13F/A-1 CLEAN HARBORS COM 184496107 343,455 -68,929 -16.71 19,175 -16.40 0.0076
2018-05-11 2017-03-31 13F/A-1 CLEAN HARBORS COM 184496107 412,384 -228,883 -35.69 22,937 -35.73 0.0094
2017-03-02 2016-12-31 13F/A-1 CLEAN HARBORS COM 184496107 641,267 123,636 23.88 35,686 50.44 0.0156
2017-11-13 2016-09-30 13F/A-1 CLEAN HARBORS COM 184496107 517,631 0 0.00 23,721 -12.06 0.0112
2017-08-09 2016-06-30 13F/A-1 CLEAN HARBORS COM 184496107 517,631 28,045 5.73 26,974 11.67 0.0128
2017-05-10 2016-03-31 13F/A-1 CLEAN HARBORS COM 184496107 489,586 -326,290 -39.99 24,156 -28.91 0.0119
2016-04-18 2015-12-31 13F/A-2 CLEAN HARBORS COM 184496107 815,876 -636,300 -43.82 33,981 -46.78 0.0169
2016-03-16 2015-12-31 13F/A-1 CLEAN HARBORS COM 184496107 815,876 0 33,981 0.0170
2016-11-14 2015-09-30 13F/A-2 CLEAN HARBORS COM 184496107 1,452,176 -335,149 -18.75 63,852 -33.52 0.0335
2016-08-12 2015-06-30 13F/A-1 CLEAN HARBORS COM 184496107 1,787,325 124,045 7.46 96,051 1.70 0.0480
2016-05-13 2015-03-31 13F/A-1 CLEAN HARBORS COM 184496107 1,663,280 -532,051 -24.24 94,441 -10.47 0.0463
2015-03-19 2014-12-31 13F/A-1 CLEAN HARBORS COM 184496107 2,195,331 890,320 105,485 0.0538
2016-04-18 2014-12-31 13F/A-2 CLEAN HARBORS COM 184496107 2,195,331 890,320 68.22 105,485 49.91 0.0536
2015-11-12 2014-09-30 13F/A-1 CLEAN HARBORS COM 184496107 1,305,011 0 0.00 70,366 -16.08 0.0381
2015-08-10 2014-06-30 13F/A-1 CLEAN HARBORS COM 184496107 1,305,011 -467,267 -26.37 83,847 -13.65 0.0452
2015-05-12 2014-03-31 13F/A-1 CLEAN HARBORS COM 184496107 1,772,278 -1,078,856 -37.84 97,103 -43.20 0.0548
2014-03-07 2013-12-31 13F/A-1 CLEAN HARBORS COM 184496107 2,851,134 -300,000 170,954 0.1046
2014-03-20 2013-12-31 13F/A-2 CLEAN HARBORS COM 184496107 2,851,134 0 170,954 0.1006
2014-05-12 2013-12-31 13F/A-3 CLEAN HARBORS COM 184496107 2,851,134 -300,000 -9.52 170,954 -7.52 0.0985
2014-11-14 2013-09-30 13F/A-1 CLEAN HARBORS COM 184496107 3,151,134 80,000 2.60 184,846 19.11 0.1079
2014-08-14 2013-06-30 13F/A-1 CLEAN HARBORS COM 184496107 3,071,134 1,130,849 58.28 155,185 37.68 0.0964
2014-04-04 2013-03-31 13F/A-1 CLEAN HARBORS COM 184496107 1,940,285 1,385,952 112,711 0.0747
2014-05-12 2013-03-31 13F/A-2 CLEAN HARBORS COM 184496107 1,940,285 1,385,952 250.02 112,711 316.23 0.0731
2013-11-14 2012-09-30 13F/A-1 CLEAN HARBORS COM 184496107 554,333 59,921 12.12 27,079 -9.53 0.0183
2013-08-15 2012-06-30 13F/A-1 CLEAN HARBORS COM 184496107 494,412 494,412 29,932 0.0240
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.