Historical shareholding details of Calamos Advisors LLC holdings in Clean Harbors, Inc. (CLH)

Monthly changes of Calamos Advisors LLC shareholding in Clean Harbors, Inc. over the previous months

Month Name Total no. shares held Percent Holding
Mar 31, 2025 Calamos Advisors Llc 1,701 0.00%
Feb 28, 2025 Calamos Advisors Llc 1,701 0.00%
Jan 31, 2025 Calamos Advisors Llc 1,701 0.00%
Dec 31, 2024 Calamos Advisors Llc 1,375 0.00%
Dec 31, 2024 Calamos Advisors Llc 1,701 0.00%
Nov 30, 2024 Calamos Advisors Llc 1,699 0.00%
Oct 31, 2024 Calamos Advisors Llc 1,701 0.00%
Sep 30, 2024 Calamos Advisors Llc 1,375 0.00%
Sep 30, 2024 Calamos Advisors Llc 1,701 0.00%
Aug 31, 2024 Calamos Advisors Llc 1,701 0.00%
Jul 31, 2024 Calamos Advisors Llc 4,875 0.01%
Jun 30, 2024 Calamos Advisors Llc 4,011 0.01%
Jun 30, 2024 Calamos Advisors Llc 4,875 0.01%
May 31, 2024 Calamos Advisors Llc 3,724 0.01%
Apr 30, 2024 Calamos Advisors Llc 4,465 0.01%
Mar 31, 2024 Calamos Advisors Llc 3,781 0.01%
Mar 31, 2024 Calamos Advisors Llc 4,465 0.01%
Feb 29, 2024 Calamos Advisors Llc 2,605 0.00%
Jan 31, 2024 Calamos Advisors Llc 16,070 0.03%
Dec 31, 2023 Calamos Advisors Llc 17,357 0.03%
Dec 31, 2023 Calamos Advisors Llc 16,954 0.03%
Nov 30, 2023 Calamos Advisors Llc 16,954 0.03%
Oct 31, 2023 Calamos Advisors Llc 16,954 0.03%
Sep 30, 2023 Calamos Advisors Llc 21,705 0.04%
Sep 30, 2023 Calamos Advisors Llc 15,575 0.03%
Aug 31, 2023 Calamos Advisors Llc 15,585 0.03%
Jul 31, 2023 Calamos Advisors Llc 17,247 0.03%
Jun 30, 2023 Calamos Advisors Llc 13,171 0.02%
Jun 30, 2023 Calamos Advisors Llc 20,673 0.04%
May 31, 2023 Calamos Advisors Llc 20,673 0.04%
Mar 31, 2023 Calamos Advisors Llc 17,498 0.03%

View all ownership details of Clean Harbors, Inc.