Hazardous Waste Management - Latest Institutional Ownership Updates

This table shows recent investment for the industry. A lot of people consider institutional money to be "smart money" since they tend to be well-informed and have dedicated research teams. So, tracking the filings of institutions can be considered a proxy for institutional sentiment. If you see a number of institutions accumulating shares, for example, that might be considered a positive signal.

File Date Form Target Company Investor Prior Shares Current Shares Change
(Percent)
2026-06-02 13F-HR/A CLH / Clean Harbors DV Trading LLC 100 0 -100.00
2026-06-02 13F-HR/A PESI / Perma-Fix Environmental Services Optiver Holding B.V. 298 170 -42.95
2026-06-02 13F-HR/A CLH / Clean Harbors Parallel Advisors, LLC 263 0 -100.00
2026-05-27 13F-HR/A PESI / Perma-Fix Environmental Services Morgan Stanley 69,036 99,647 44.34
2026-05-27 13F-HR/A PESI / Perma-Fix Environmental Services Morgan Stanley 99,647 66,731 -33.03
2026-05-27 13F-HR/A CLH / Clean Harbors Morgan Stanley 273,880 264,242 -3.52
2026-05-27 13F-HR/A CLH / Clean Harbors Morgan Stanley 236,698 273,880 15.71
2026-05-22 13F-HR CLH / Clean Harbors Wellington Grp LLC 15
2026-05-22 13F-HR CLH / Clean Harbors Wellington Grp LLC 15 0 -100.00
2026-05-21 13F-HR CLH1 / Clean Harbors Essential Partners LLC 0 2
2026-05-21 13F-HR PESI / Perma-Fix Environmental Services Essential Partners LLC 9
2026-05-21 13F-HR PESI / Perma-Fix Environmental Services Essential Partners LLC 9 9 0.00
2026-05-21 13F-HR CLH / Clean Harbors Verus Capital Partners, Llc 0 886
2026-05-21 13F-HR PESI / Perma-Fix Environmental Services Essential Partners LLC 9 9 0.00
2026-05-21 13F-HR CLH / Clean Harbors Groupe la Francaise 10,780 10,300 -4.45
2026-05-21 13F-HR CLH1 / Clean Harbors Essential Partners LLC 3
2026-05-21 13F-HR CLH1 / Clean Harbors Essential Partners LLC 3 0 -100.00
2026-05-19 13F-HR CLH / Clean Harbors Independent Financial Group, Llc 1,139
2026-05-19 13F-HR CLH / Clean Harbors Western Wealth Management, LLC 10
2026-05-19 13F-HR SRCL / Stericycle Kentucky Retirement Systems 0 7,076
2026-05-18 13F-HR CLH / Clean Harbors Edgestream Partners, L.P. 0 869
2026-05-18 13F-HR/A CLH / Clean Harbors Janus Henderson Group Plc 2,376,088 2,355,394 -0.87
2026-05-18 13F-HR CLH / Clean Harbors South Dakota Investment Council 6,329 5,829 -7.90
2026-05-16 13F-HR PESI / Perma-Fix Environmental Services Sunbelt Securities, Inc. 7 7 0.00
2026-05-16 13F-HR CLH / Clean Harbors Opal Capital Llc 783 0 -100.00
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Citadel Advisors Llc 14,800 15,500 4.73
2026-05-15 13F-HR CLH / Clean Harbors Manufacturers Life Insurance Company, The 37,574 36,801 -2.06
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Bank Of America Corp /de/ 43,666 45,190 3.49
2026-05-15 13F-HR CLH / Clean Harbors Wellspring Financial Advisors, LLC 1,357 1,357 0.00
2026-05-15 13F-HR CLH / Clean Harbors Evelyn Partners Investment Management LLP 460 460 0.00
2026-05-15 13F-HR CLH / Clean Harbors Citadel Advisors Llc 14,700 11,600 -21.09
2026-05-15 13F-HR CLH / Clean Harbors Gallo Partners, LP 0 10,049
2026-05-15 13F-HR CLH / Clean Harbors Wellington Management Group Llp 5,182,538 3,577,034 -30.98
2026-05-15 13F-HR CLH / Clean Harbors Integrated Wealth Concepts LLC 0 2,409
2026-05-15 13F-HR CLH / Clean Harbors Kemnay Advisory Services Inc. 554
2026-05-15 13F-HR AMBWQ / Ambipar Emergency Response - Equity Warrant HGC Investment Management Inc. 130,905 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Skandinaviska Enskilda Banken AB (publ) 0 1,348
2026-05-15 13F-HR AMBWQ / Ambipar Emergency Response - Equity Warrant Sharp Capital Gestora de Recursos Ltda. 1,075,000 1,075,000 0.00
2026-05-15 13F-HR CLH / Clean Harbors Bradley Foster & Sargent Inc/ct 1,549
2026-05-15 13F-HR CLH / Clean Harbors Toroso Investments, LLC 59,521 71,946 20.87
2026-05-15 13F-HR/A CLH / Clean Harbors EverSource Wealth Advisors, LLC 9,887 9,948 0.62
2026-05-15 13F-HR CLH / Clean Harbors Utah Retirement Systems 2,700 2,700 0.00
2026-05-15 13F-HR CLH / Clean Harbors Intesa Sanpaolo Wealth Management 4,515 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Zurcher Kantonalbank (Zurich Cantonalbank) 27,399 0 -100.00
2026-05-15 13F-HR/A CLH / Clean Harbors Itau Unibanco Holding S.A. 48 48 0.00
2026-05-15 13F-HR CLH / Clean Harbors Shay Capital LLC 12,523 0 -100.00
2026-05-15 13F-HR/A CLH / Clean Harbors Vanguard Capital Management Llc 2,169,364
2026-05-15 13F-HR CLH / Clean Harbors Ameriflex Group, Inc. 8 8 0.00
2026-05-15 13F-HR CLH / Clean Harbors Credit Agricole S A 10,897 60,444 454.68
2026-05-15 SCHEDULE 13G/A CLH / Clean Harbors D1 Capital Partners L.P. 2,781,882 1,338,281 -51.89
2026-05-15 13F-HR AMBIQ / Ambipar Emergency Response Turim 21 Investimentos Ltda. 128,800 128,800 0.00
2026-05-15 13F-HR CLH / Clean Harbors Empowered Funds, LLC 3,631 14,940 311.46
2026-05-15 13F-HR CLH / Clean Harbors Brown Financial Advisors 964
2026-05-15 13F-HR CLH / Clean Harbors Cresset Asset Management, LLC 104,782 88,224 -15.80
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Citadel Advisors Llc 36,129 69,313 91.85
2026-05-15 13F-HR CLH / Clean Harbors Worldquant Millennium Advisors Llc 11,710
2026-05-15 13F-HR CLH / Clean Harbors National Bank Of Canada /fi/ 0 61
2026-05-15 13F-HR CLH / Clean Harbors Brevan Howard Capital Management LP 0 2,929
2026-05-15 13F-HR CLH / Clean Harbors Tudor Investment Corp Et Al 2,440 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Gilder Gagnon Howe & Co Llc 3,062 2,856 -6.73
2026-05-15 13F-HR CLH / Clean Harbors State Of Wisconsin Investment Board 63,013 60,636 -3.77
2026-05-15 13F-HR CLH / Clean Harbors Occudo Quantitative Strategies Lp 0 3,783
2026-05-15 13F-HR CLH / Clean Harbors Durable Capital Partners LP 834,763 1,050,973 25.90
2026-05-15 13F-HR CLH / Clean Harbors Point72 Asset Management, L.P. 238,709 56,597 -76.29
2026-05-15 13F-HR CLH / Clean Harbors Heights Point Management, LP 8,340
2026-05-15 13F-HR CLH / Clean Harbors Sandler Capital Management 0 11,027
2026-05-15 13F-HR CLH / Clean Harbors Equitable Holdings, Inc. 0 829
2026-05-15 13F-HR CLH / Clean Harbors Hancock Whitney Corp 3,651 3,523 -3.51
2026-05-15 13F-HR CLH / Clean Harbors Amundi 187,401 106,516 -43.16
2026-05-15 13F-HR CLH / Clean Harbors Qtron Investments LLC 0 1,587
2026-05-15 13F-HR CLH / Clean Harbors Zurcher Kantonalbank (Zurich Cantonalbank) 27,399 28,736 4.88
2026-05-15 13F-HR CLH / Clean Harbors GCM Grosvenor Holdings, LLC 73,633 53,804 -26.93
2026-05-15 13F-HR CLH / Clean Harbors DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0 20,550
2026-05-15 13F-HR CLH / Clean Harbors Advisory Services Network, LLC 0 87
2026-05-15 13F-HR CLH / Clean Harbors Morgan Stanley 264,242 290,329 9.87
2026-05-15 13F-HR CLH / Clean Harbors Delaware Management Holdings, Inc. 85,143 52,203 -38.69
2026-05-15 13F-HR CLH / Clean Harbors Shelton Capital Management 7,765 7,709 -0.72
2026-05-15 13F-HR CLH / Clean Harbors Dark Forest Capital Management Lp 3,224 5,051 56.67
2026-05-15 13F-HR CLH / Clean Harbors Royal Bank Of Canada 114,350 104,313 -8.78
2026-05-15 13F-HR CLH / Clean Harbors Okabena Investment Services Inc 6,785 5,249 -22.64
2026-05-15 13F-HR CLH / Clean Harbors Brown Advisory Inc 28,381 27,643 -2.60
2026-05-15 13F-HR CLH / Clean Harbors Nomura Holdings Inc 4,002 1,334 -66.67
2026-05-15 13F-HR CLH / Clean Harbors Lansing Management LP 10,760 23,513 118.52
2026-05-15 13F-HR CLH / Clean Harbors Silvercrest Asset Management Group Llc 250,061 240,299 -3.90
2026-05-15 13F-HR CLH / Clean Harbors Jones Financial Companies Lllp 1,016 62,587 6,060.14
2026-05-15 13F-HR CLH / Clean Harbors United Capital Financial Advisers, Llc 1,197 1,492 24.64
2026-05-15 13F-HR CLH / Clean Harbors DT Investment Partners, LLC 60 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors HighVista Strategies LLC 6,243 5,543 -11.21
2026-05-15 13F-HR/A PESI / Perma-Fix Environmental Services EverSource Wealth Advisors, LLC 3 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Concentric Capital Strategies, LP 0 11,085
2026-05-15 13F-HR CLH / Clean Harbors Aqr Capital Management Llc 21,284 180,668 748.84
2026-05-15 13F-HR CLH / Clean Harbors Holocene Advisors, LP 13,598 0 -100.00
2026-05-15 13F-HR/A CLH / Clean Harbors Bradley Foster & Sargent Inc/ct 1,549 1,549 0.00
2026-05-15 13F-HR CLH / Clean Harbors XTX Topco Ltd 2,629 3,896 48.19
2026-05-15 13F-HR CLH / Clean Harbors Alphadyne Asset Management, LLC 10,683 0 -100.00
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Charles Schwab Investment Management Inc 48,607 43,590 -10.32
2026-05-15 13F-HR CLH / Clean Harbors Keating Financial Advisory Services, Inc. 41 55 34.15
2026-05-15 13F-HR CLH / Clean Harbors Bank Of America Corp /de/ 411,064 311,907 -24.12
2026-05-15 13F-HR CLH / Clean Harbors Susquehanna Portfolio Strategies, LLC 8,018 8,018 0.00
2026-05-15 13F-HR CLH / Clean Harbors Susquehanna International Group, Llp 11,800 8,300 -29.66
2026-05-15 SCHEDULE 13G/A CLH / Clean Harbors Wellington Management Group Llp 5,182,538 3,576,062 -31.00
2026-05-15 13F-HR CLH / Clean Harbors Susquehanna International Group, Llp 7,700 9,500 23.38
2026-05-15 SCHEDULE 13G/A LICYQ / Li-Cycle Holdings Armistice Capital, Llc 4,567,108 4,569,327 0.05
2026-05-15 13F-HR CLH / Clean Harbors Victory Capital Management Inc 129,301 73,660 -43.03
2026-05-15 13F-HR CLH / Clean Harbors Rithm Capital Corp. 3,700 4,000 8.11
2026-05-15 13F-HR CLH / Clean Harbors Verition Fund Management LLC 15,428 2,328 -84.91
2026-05-15 13F-HR CLH / Clean Harbors Transamerica Financial Advisors, Inc. 1 1 0.00
2026-05-15 13F-HR CLH / Clean Harbors Hood River Capital Management LLC 126,765 124,275 -1.96
2026-05-15 13F-HR CLH / Clean Harbors Resolute Capital Asset Partners LLC 20,000
2026-05-15 13F-HR CLH / Clean Harbors Cinctive Capital Management LP 1,155 7,985 591.34
2026-05-15 13F-HR CLH / Clean Harbors TCG Advisory Services, LLC 2,004 2,111 5.34
2026-05-15 13F-HR CLH / Clean Harbors Select Equity Group, L.P. 849,499 1,131,602 33.21
2026-05-15 13F-HR CLH / Clean Harbors Axa S.a. 4,576 4,161 -9.07
2026-05-15 13F-HR CLH / Clean Harbors Advisor Group Holdings, Inc. 4,553 5,248 15.26
2026-05-15 13F-HR CLH / Clean Harbors California State Teachers Retirement System 48,300 59,158 22.48
2026-05-15 13F-HR CLH / Clean Harbors Independent Financial Group, Llc 1,139 1,041 -8.60
2026-05-15 13F-HR CLH / Clean Harbors Susquehanna International Group, Llp 2,285 14,790 547.26
2026-05-15 13F-HR CLH / Clean Harbors Alliancebernstein L.p. 63,852 70,426 10.30
2026-05-15 13F-HR CLH / Clean Harbors Smartleaf Asset Management LLC 301 238 -20.93
2026-05-15 13F-HR CLH / Clean Harbors Bayberry Capital Partners LP 48,200 46,200 -4.15
2026-05-15 13F-HR CLH / Clean Harbors Gotham Asset Management, LLC 112,294 134,631 19.89
2026-05-15 13F-HR CLH / Clean Harbors Trask Adam Roland 3,580
2026-05-15 13F-HR CLH / Clean Harbors MidFirst Bank 121 62 -48.76
2026-05-15 13F-HR CLH / Clean Harbors Goldman Sachs Group Inc 259,459 929,077 258.08
2026-05-15 13F-HR CLH / Clean Harbors CI Private Wealth, LLC 12,682 39,954 215.04
2026-05-15 13F-HR CLH / Clean Harbors Beacon Pointe Advisors, LLC 3,127
2026-05-15 13F-HR CLH / Clean Harbors Millennium Management Llc 43,592 63,880 46.54
2026-05-15 13F-HR CLH / Clean Harbors GWM Advisors LLC 1,945 0 -100.00
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Advisor Group Holdings, Inc. 15,900 16,000 0.63
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services D. E. Shaw & Co., Inc. 96,009 62,989 -34.39
2026-05-15 13F-HR CLH / Clean Harbors SkyView Investment Advisors, LLC 2,430 2,428 -0.08
2026-05-15 13F-HR CLH / Clean Harbors Fmr Llc 372,146 2,101,179 464.61
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Mak Capital One Llc 918,673 918,673 0.00
2026-05-15 13F-HR CLH / Clean Harbors One Madison Group Llc 24,160
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Goldman Sachs Group Inc 71,937 142,687 98.35
2026-05-15 13F-HR CLH / Clean Harbors Prelude Capital Management, Llc 16,114 14,653 -9.07
2026-05-15 13F-HR CLH / Clean Harbors Geode Capital Management, Llc 917,779 945,892 3.06
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services State Street Corp 312,267 335,547 7.46
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services XTX Topco Ltd 0 23,227
2026-05-15 13F-HR CLH / Clean Harbors Numerai GP LLC 0 6,137
2026-05-15 13F-HR CLH / Clean Harbors Lone Pine Capital Llc 1,378,125 1,754,950 27.34
2026-05-15 13F-HR CLH / Clean Harbors Odyssean, LLC 3,061 4,145 35.41
2026-05-15 13F-HR CLH / Clean Harbors Price T Rowe Associates Inc /md/ 75,101 50,370 -32.93
2026-05-15 13F-HR CLH / Clean Harbors Vestmark Advisory Solutions, Inc. 9,662 6,684 -30.82
2026-05-15 13F-HR CLH / Clean Harbors Ancora Advisors, LLC 0 32
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Geode Capital Management, Llc 422,890 432,701 2.32
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Citadel Advisors Llc 29,300 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Schonfeld Strategic Advisors LLC 16,000 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Chilton Investment Co Llc 57,019 24,411 -57.19
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Optiver Holding B.V. 298 170 -42.95
2026-05-15 13F-HR CLH / Clean Harbors Aventail Capital Group, LP 6,841 7,013 2.51
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Fmr Llc 5,704 4,726 -17.15
2026-05-15 13F-HR CLH / Clean Harbors FIL Ltd 352,690 509,679 44.51
2026-05-15 13F-HR CLH / Clean Harbors Balyasny Asset Management Llc 0 30,421
2026-05-15 13F-HR CLH / Clean Harbors Citadel Advisors Llc 0 34,822
2026-05-15 13F-HR CLH / Clean Harbors State of Tennessee, Treasury Department 16,935 16,935 0.00
2026-05-15 13F-HR CLH / Clean Harbors Citadel Advisors Llc 7,500 13,500 80.00
2026-05-15 13F-HR CLH / Clean Harbors Advisors Asset Management, Inc. 9,749 11,980 22.88
2026-05-15 13F-HR CLH / Clean Harbors Laird Norton Trust Company, Llc 2,926 2,538 -13.26
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Corsair Capital Management, L.p. 21,649 37,649 73.91
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Squarepoint Ops LLC 36,842 51,940 40.98
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Morgan Stanley 66,731 26,718 -59.96
2026-05-15 13F-HR CLH / Clean Harbors Huntington National Bank 98 177 80.61
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Susquehanna International Group, Llp 27,300 150,500 451.28
2026-05-15 13F-HR CLH / Clean Harbors Cerity Partners LLC 8,172 10,444 27.80
2026-05-15 13F-HR CLH / Clean Harbors Rafferty Asset Management, LLC 0 708
2026-05-15 13F-HR CLH / Clean Harbors MAI Capital Management 286 690 141.26
2026-05-15 13F-HR CLH / Clean Harbors Van Eck Associates Corp 17,049 14,906 -12.57
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Susquehanna International Group, Llp 98,269 11,098 -88.71
2026-05-15 13F-HR CLH / Clean Harbors Engineers Gate Manager LP 3,966 6,002 51.34
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Susquehanna International Group, Llp 26,400 0 -100.00
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Jones Financial Companies Lllp 140
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Millennium Management Llc 38,617 0 -100.00
2026-05-15 13F-HR/A PESI / Perma-Fix Environmental Services Vanguard Capital Management Llc 759,435
2026-05-15 13F-HR CLH / Clean Harbors Two Sigma Investments, Lp 492,786 724,028 46.93
2026-05-15 13F-HR CLH / Clean Harbors Aquatic Capital Management LLC 0 1,473
2026-05-15 13F-HR CLH / Clean Harbors Charles Schwab Investment Management Inc 477,440 474,647 -0.58
2026-05-15 13F-HR CLH / Clean Harbors Boothbay Fund Management, Llc 57,586 32,061 -44.33
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Price T Rowe Associates Inc /md/ 11,202 11,202 0.00
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Tower Research Capital LLC (TRC) 3,182 1,528 -51.98
2026-05-15 13F-HR CLH / Clean Harbors Two Sigma Securities, Llc 0 1,151
2026-05-15 13F-HR CLH / Clean Harbors Independent Financial Group, Llc 1,139 1,139 0.00
2026-05-15 13F-HR CLH / Clean Harbors Oberweis Asset Management Inc/ 116,870 144,355 23.52
2026-05-15 13F-HR CLH / Clean Harbors State Street Corp 1,503,096 1,537,297 2.28
2026-05-15 13F-HR CLH / Clean Harbors Quantinno Capital Management LP 330,243 380,945 15.35
2026-05-15 13F-HR CLH / Clean Harbors Atom Investors LP 31,001 0 -100.00
2026-05-15 13F-HR/A CLH / Clean Harbors Independent Financial Group, Llc 949 949 0.00
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 8,019 8,223 2.54
2026-05-15 13F-HR CLH / Clean Harbors Sirios Capital Management L P 77,980 57,213 -26.63
2026-05-15 13F-HR CLH / Clean Harbors Visualize Group LP 96,300
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Royal Bank Of Canada 1,027 50 -95.13
2026-05-15 13F-HR CLH / Clean Harbors Mercer Global Advisors Inc /adv 10,521 14,053 33.57
2026-05-15 13F-HR CLH / Clean Harbors Janus Henderson Group Plc 2,376,088 2,355,394 -0.87
2026-05-15 13F-HR CLH / Clean Harbors DV Trading LLC 100 0 -100.00
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services American Century Companies Inc 10,692
2026-05-15 13F-HR CLH / Clean Harbors Palestra Capital Management LLC 569,991 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Cramer Rosenthal Mcglynn Llc 69,318 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Ameriprise Financial Inc 53,011 53,110 0.19
2026-05-15 13F-HR CLH / Clean Harbors Lombard Odier Asset Management (Europe) Ltd 50,143 15,786 -68.52
2026-05-15 13F-HR CLH / Clean Harbors Consolidated Press International Holdings Ltd 2,200
2026-05-15 13F-HR CLH / Clean Harbors Larson Financial Group LLC 132 288 118.18
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services California State Teachers Retirement System 1,065 936 -12.11
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Ancora Advisors, LLC 57,927 0 -100.00
2026-05-15 13F-HR CLH / Clean Harbors Man Group plc 979 21,395 2,085.39
2026-05-15 13F-HR CLH / Clean Harbors Harbour Investments, Inc. 55 74 34.55
2026-05-15 13F-HR CLH / Clean Harbors Boothbay Fund Management, Llc 2,700
2026-05-15 13F-HR CLH / Clean Harbors Campbell & CO Investment Adviser LLC 0 3,969
2026-05-15 13F-HR CLH / Clean Harbors D. E. Shaw & Co., Inc. 0 36,771
2026-05-15 13F-HR CLH / Clean Harbors Quarry LP 449 555 23.61
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Greenhaven Road Investment Management, L.P. 0 11,303
2026-05-15 13F-HR CLH / Clean Harbors Neo Ivy Capital Management 0 1,397
2026-05-15 13F-HR PESI / Perma-Fix Environmental Services Brown Advisory Inc 20,000
2026-05-15 13F-HR CLH / Clean Harbors Tower Research Capital LLC (TRC) 3,403 2,219 -34.79
2026-05-15 13F-HR CLH / Clean Harbors Strategic Advocates LLC 1,381 1 -99.93
2026-05-15 13F-HR CLH / Clean Harbors Wiley Bros.-aintree Capital, Llc 7,043 6,339 -10.00
2026-05-15 13F-HR CLH / Clean Harbors American Century Companies Inc 18,283 22,916 25.34
2026-05-15 13F-HR CLH / Clean Harbors D1 Capital Partners L.P. 2,781,882 1,338,281 -51.89
2026-05-15 13F-HR CLH / Clean Harbors T. Rowe Price Investment Management, Inc. 34,081 477,287 1,300.45
2026-05-15 13F-HR ATEK.WS / Athena Technology Acquisition II - Equity Warrant Meteora Capital, LLC 96,814 96,814 0.00
2026-05-15 13F-HR SRCL / Stericycle Huntington National Bank 1 1 0.00
2026-05-15 13F-HR ATEK.WS / Athena Technology Acquisition II - Equity Warrant Ancora Advisors, LLC 2,500 2,500 0.00
2026-05-14 13F-HR CLH / Clean Harbors Charter Oak Advisors LP 60,686 63,214 4.17
2026-05-14 13F-HR CLH / Clean Harbors RMG Wealth Management LLC 10
2026-05-14 13F-HR CLH / Clean Harbors Ecofi Investissements Sa 27,600 7,450 -73.01
2026-05-14 13F-HR CLH / Clean Harbors Brant Point Investment Management Llc 20,145 20,145 0.00
2026-05-14 13F-HR CLH / Clean Harbors EP Wealth Advisors, Inc. 2,349 2,605 10.90
2026-05-14 13F-HR PESI / Perma-Fix Environmental Services Potomac Capital Management, Inc. 341,800 296,700 -13.19
2026-05-14 13F-HR CLH / Clean Harbors Bank Of Nova Scotia 0 1,576
2026-05-14 13F-HR CLH / Clean Harbors Vega Investment Solutions 404 404 0.00
2026-05-14 13F-HR CLH / Clean Harbors Fulcrum Asset Management LLP 6,569 15,555 136.79
2026-05-14 13F-HR CLH / Clean Harbors Cwm, Llc 929 3,233 248.01
2026-05-14 13F-HR CLH / Clean Harbors TPG-AXON Management LP 31,000 0 -100.00
2026-05-14 13F-HR CLH / Clean Harbors Simplex Trading, Llc 182 685 276.37
2026-05-14 13F-HR PESI / Perma-Fix Environmental Services Simplex Trading, Llc 0 13,100
2026-05-14 13F-HR CLH / Clean Harbors Evergreen Capital Management Llc 1,199 2,567 114.10
2026-05-14 13F-HR CLH / Clean Harbors Simplex Trading, Llc 0 100
2026-05-14 13F-HR PESI / Perma-Fix Environmental Services Hrt Financial Lp 14,585 0 -100.00
2026-05-14 13F-HR CLH / Clean Harbors Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna 18,407 17,107 -7.06
2026-05-14 13F-HR CLH / Clean Harbors Baird Financial Group, Inc. 4,497 4,476 -0.47
2026-05-14 13F-HR CLH / Clean Harbors Schroder Investment Management Group 35,097 34,151 -2.70
2026-05-14 13F-HR CLH / Clean Harbors Simplex Trading, Llc 100 0 -100.00
2026-05-14 13F-HR CLH / Clean Harbors Pillsbury Lake Capital LLC 22,553 22,917 1.61
2026-05-14 13F-HR CLH / Clean Harbors Fuller & Thaler Asset Management, Inc. 80,791 54,253 -32.85
2026-05-14 13F-HR CLH / Clean Harbors Dynasty Wealth Management, Llc 1,003 0 -100.00
2026-05-14 13F-HR CLH / Clean Harbors Panagora Asset Management Inc 1,601 1,655 3.37
2026-05-14 13F-HR CLH / Clean Harbors Quattro Advisors LLC 110 0 -100.00
2026-05-14 13F-HR CLH / Clean Harbors Natixis 2,048 0 -100.00
2026-05-14 13F-HR CLH / Clean Harbors Knollwood Investment Advisory, LLC 4,500 4,500 0.00
2026-05-14 13F-HR CLH / Clean Harbors Snyder Capital Management L P 1,150,188 929,327 -19.20
2026-05-14 13F-HR CLH / Clean Harbors Brant Point Investment Management Llc 200 0 -100.00