InvestorLens

CLH — CLEAN HARBORS INC

Public company

Sign in to save3 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying CLH?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
67
Institutional Conviction
Mixed · 2 buying vs 1 selling last quarter
46
Macro Tailwind
Macro conditions are mixed for this sector
57
Congressional Activity
0 congressional purchases, 2 sales disclosed in the last 6 months
Why? — Evidence & Confidence ▾

Of 3 tracked investors who changed their CLH position last quarter, 2 bought and 1 sold (67% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 57/100 in a Contraction regime). 0 congressional purchases, 2 sales disclosed in the last 6 months.

Supporting evidence
  • +2 tracked investors added or increased positions last quarter (Paul Tudor Jones, Steve Cohen)
  • +3 tracked investors reported holding CLH at their latest filing
  • +Macro Health is 57/100 in a Contraction regime — historically acceptable for this sectorsource
Contradicting evidence — always shown
  • −1 tracked investor reduced or exited last quarter (0 reduced, 1 sold out)
  • −Congressional disclosures lean toward selling (2 sales vs 0 purchases, 6 months)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/6/2026.

About CLEAN HARBORS INC (CLH)

CLEAN HARBORS INC (CLH) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Steve Mandel (Lone Pine Capital), valued at $503M. Across recent filings, tracked investors recorded 9 new positions, 10 increased, 7 reduced, and 7 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in CLH

58
/100
Mixed Activity
Added / Increased19
Reduced7
Exited7
BearishBullish
Crowded Trade Score™

How many top investors track CLH

20
/100
Emerging Interest
3investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

CLH Ownership Composition

How CLEAN HARBORS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Multi-Strategy / Quant
96% of tracked value
Institutions
3
tracked investors
Total Reported
$135.5M
combined 13F value
Types2
  • Multi-Strategy / Quant95.8%
  • Macro4.2%
Multi-Strategy / Quant(2)
95.8%
Macro(1)
4.2%

Tracked investors currently reporting CLH

3 tracked investors have since exited this position — listed separately below.

  • Ken GriffinJun 30, 2026
    Citadel Advisors
    Shares
    329.2K
    Value
    $98.4M
    % Portfolio
    0.01%
  • Steve CohenJun 30, 2026
    Point72 Asset Management
    Shares
    105.1K
    Value
    $31.4M
    % Portfolio
    0.03%
  • Paul Tudor JonesJun 30, 2026
    Tudor Investment Corp
    Shares
    19.1K
    Value
    $5.7M
    % Portfolio
    0.01%

Previously held CLH

These investors reported CLH in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Steve MandelLone Pine Capital1.8M$503.2MMar 31, 2026
Izzy EnglanderMillennium Management63.9K$18.3MMar 31, 2026
Ray DalioBridgewater Associates5.8K$1.3KSep 30, 2025

Recent activity

Frequently asked questions

How many institutional investors hold CLH?
3 tracked institutional investors disclosed a position in CLH (CLEAN HARBORS INC) in their most recent 13F filing.
Who is the largest institutional holder of CLH?
Steve Mandel, Lone Pine Capital, holds the largest disclosed position in CLH, valued at $503M.
Did institutional ownership of CLH increase or decrease?
Across recent 13F filings, tracked investors recorded 9 new positions, 10 increased, 7 reduced, and 7 fully exited CLH.
Where does this CLH ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.