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S&CO INC

Position in CLH — Clean Harbors Inc

CIK 1082461 BOSTON, MA

Position in CLH

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$358,500
+$14,424 QoQ
Shares Held
1,200
0.0% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#444
of 660 holders
Holding Since
Sep 2023
12 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

S&CO INC holds $688,774 across 2 Waste Management names. CLH ranks #1 (52.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CLH
Clean Harbors Inc
This page
1,200 $358,500

All Filings in CLH

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12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $358,500 1,200
2026-03-31 $344,076 1,200
2025-12-31 $281,376 1,200
2025-09-30 $278,664 1,200
2025-06-30 $277,416 1,200
2025-03-31 $236,520 1,200
2024-12-31 $276,168 1,200
2024-09-30 $290,052 1,200
2024-06-30 $271,380 1,200
2024-03-31 $241,572 1,200
2023-12-31 $209,412 1,200
2023-09-30 $200,832 1,200