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Quantum Portfolio Management LLC

Position in CLH — Clean Harbors Inc

CIK 2003672 New York, NY

Position in CLH

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,009,476
+$155,735 QoQ
Shares Held
3,379
-7.2% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
#326
of 655 holders
Holding Since
Sep 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CLH Over Time

Shares Held

Position Value (USD)

Position in Waste Management

Industrials · as of Jun 30, 2026

Quantum Portfolio Management LLC holds $1,387,176 across 3 Waste Management names. CLH ranks #1 (72.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CLH
Clean Harbors Inc
This page
3,379 $1,009,476

All Filings in CLH

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,009,476 3,379
2025-12-31 $853,741 3,641
2025-09-30 $1,097,703 4,727
2025-06-30 $710,184 3,072
2025-03-31 $352,809 1,790
2024-12-31 $423,227 1,839
2024-09-30 $490,429 2,029