CLH CLEAN HARBORS INC COMMON

Ownership history in M.D. Sass, LLC  ·  14 quarters on record

This page tracks every 13F SEC filing in which M.D. Sass, LLC reported a position in CLEAN HARBORS INC COMMON (CLH). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
6.18% (2025 Q4)
Avg. % of fund
4.05%
First filed
2001 Q4
Last filed
2025 Q4
Quarters held
14
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 334,198 +74,538 +28.7% 6.18% $78.4M $234.48
2025 Q3 REDUCED 259,660 -69,209 -21.0% 4.91% $60.3M $232.22
2025 Q2 REDUCED 328,869 -18,466 -5.3% 6.12% $76.0M $231.18
2025 Q1 ADDED 347,335 +68,977 +24.8% 6.03% $68.5M $197.10
2024 Q4 REDUCED 278,358 -46,560 -14.3% 4.82% $64.1M $230.14
2024 Q3 REDUCED 324,918 -2,559 -0.8% 5.81% $78.5M $241.71
2024 Q2 ADDED 327,477 +102,309 +45.4% 5.32% $74.1M $226.15
2024 Q1 REDUCED 225,168 -1,235 -0.5% 5.11% $45.3M $201.31
2023 Q4 ADDED 226,403 +51,638 +29.5% 4.75% $39.5M $174.51
2023 Q3 ADDED 174,765 +36,905 +26.8% 3.93% $29.2M $167.36
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% of Fund (quarterly)    CLH price (monthly, adj. close)
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