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Select Equity Group, L.P.

Position in CLH — Clean Harbors Inc

CIK 1592643 NEW YORK, NY

Position in CLH

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$324,464,241
+$125,273,716 QoQ
Shares Held
1,131,602
+33.2% QoQ
Ownership
2.14%
of shares outstanding
% of Portfolio
1.74%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2023
13 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in CLH Over Time

Shares Held

Position Value (USD)

Position in Waste Management

Industrials · as of Mar 31, 2026

Select Equity Group, L.P. holds $366,856,603 across 3 Waste Management names. CLH ranks #1 (88.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CLH
Clean Harbors Inc
This page
1,131,602 $324,464,241

All Filings in CLH

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13 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $324,464,241 1,131,602
2025-12-31 $199,190,525 849,499
2025-09-30 $179,594,303 773,380
2025-06-30 $218,917,750 946,958
2025-03-31 $215,264,538 1,092,159
2024-12-31 $403,085,146 1,751,478
2024-09-30 $403,907,561 1,671,042
2024-06-30 $412,580,370 1,824,366
2024-03-31 $391,647,397 1,945,494
2023-12-31 $516,015,250 2,956,938
2023-09-30 $511,238,776 3,054,725
2023-06-30 $337,042,858 2,049,765
2023-03-31 $114,248,154 801,404