A detailed history of William Blair Investment Management, LLC transactions in Clean Harbors Inc stock. As of the latest transaction made, William Blair Investment Management, LLC holds 411,432 shares of CLH stock, worth $100 Million. This represents 0.27% of its overall portfolio holdings.

Number of Shares
411,432
Holding current value
$100 Million
% of portfolio
0.27%

Shares

1 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2025

Jul 29, 2025

BUY
$182.1 - $233.5 $74.9 Million - $96.1 Million
411,432 New
411,432 $95.1 Million

Others Institutions Holding CLH

About CLEAN HARBORS INC


  • Ticker CLH
  • Exchange NYSE
  • Sector Industrials
  • Industry Waste Management
  • Shares Outstandng 54,103,200
  • Market Cap $13.2B
  • Description
  • 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 trea...
More about CLH
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