1 tracked superinvestor hold CLEAN HARBORS INC (CLH), worth $503M combined, led by Stephen Mandel. Smart money is accumulating CLH as of the latest 13F filings.
Current price
$301.91
Clean Harbors, Inc. provides environmental and industrial services in North America. The company operates through two segments, Environmental Services and Safety-Kleen Sustainability Solutions. The Environmental Services segment collects, transports, treats, and disposes hazardous and non-hazardous waste, such as resource recovery, physical treatment, fuel blending, incineration, landfill…
Market cap
$16.6B
P/E
42.72
Div yield
0.0%
Revenue YoY
2.4%
Analyst target
$303
Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.
Superinvestors holding
1
tracked 13F / N-PORT funds
Combined value
$503M
disclosed long exposure
Tier-1 conviction
1
concentrated holders
Net this quarter
+1
1 buying · 0 selling
Smart money is net accumulating CLH: 1 funds added or opened versus 0 trimming.
CLEAN HARBORS INC (CLH) is held by 1 tracked funds worth $503M combined, 1 of them concentrated Tier-1 managers whose positions carry real conviction.
The largest position belongs to Stephen Mandel at 4% of their book — no single tracked manager treats it as an outsized, top-weighted bet.
No tracked fund opened a new position this quarter; 1 added and 0 trimmed, a net add.
| Investor | Move | % of their portfolio | Position value |
|---|---|---|---|
| Added | 4% | $503M |
Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.
Which superinvestors own CLH?
1 tracked funds hold CLEAN HARBORS INC (CLH), the largest being Stephen Mandel (Lone Pine Capital) at 4% of its 13F portfolio. 1 of them are concentrated Tier-1 conviction managers.
Is smart money buying or selling CLH?
In the most recent 13F quarter, 1 tracked fund added or opened CLH and 0 trimmed it.
How much CLH do tracked funds hold?
Combined disclosed long exposure to CLH across tracked superinvestors is $503M as of the Mar 2026 filings.
Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Mar 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.