CLEAN HARBORS INC (CLH) Institutional Ownership

CLH is currently held by 4 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $805.86M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is Lone Pine Capital, which reported ownership valued at approximately $503.20M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Lone Pine Capital's CLH position is now estimated to be worth approximately $504.11M, representing an estimated gain of +0.18% since the filing period.

Major shareholders tracked on this page include Lone Pine Capital, Durable Capital Partners, First Eagle U.S. Value, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks institutional position trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward CLEAN HARBORS INC (CLH).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20264$805,863,2682,810,530
Q4 20254$520,218,2662,218,604
Q3 20252$135,841,269584,968
Q1 20251$676,6443,433
Q4 20241$5,669,03924,633
Q3 20241$7,186,76329,733
Q2 20241$12,513,55855,333
Q1 20241$25,292125,635
Q4 20231$30,283173,533
Q3 20231$38,448229,733
Q2 20231$48,923297,533
Q1 20231$69,517487,635