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 quarter | Institutional holders | Total reported value | Total shares |
|---|---|---|---|
| Q1 2026 | 4 | $805,863,268 | 2,810,530 |
| Q4 2025 | 4 | $520,218,266 | 2,218,604 |
| Q3 2025 | 2 | $135,841,269 | 584,968 |
| Q1 2025 | 1 | $676,644 | 3,433 |
| Q4 2024 | 1 | $5,669,039 | 24,633 |
| Q3 2024 | 1 | $7,186,763 | 29,733 |
| Q2 2024 | 1 | $12,513,558 | 55,333 |
| Q1 2024 | 1 | $25,292 | 125,635 |
| Q4 2023 | 1 | $30,283 | 173,533 |
| Q3 2023 | 1 | $38,448 | 229,733 |
| Q2 2023 | 1 | $48,923 | 297,533 |
| Q1 2023 | 1 | $69,517 | 487,635 |
Related CLH Institutional Insights:
- CLH Institutional Ownership & Insiders Activity
- CLH Institutional Ownership & 13F Activity
- CLH Top Institutional Shareholders
- CLH Institutional Buying Activity
- CLH Institutional Selling Activity
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- CLH Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings