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Yorktown Management & Research Co Inc

Position in CLH — Clean Harbors Inc

CIK 1313559 Forest, VA

Position in CLH

as of Jun 30, 2026 · filed Jul 23, 2026
Position Value
$433,187
+$17,429 QoQ
Shares Held
1,450
0.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#421
of 655 holders
Holding Since
Mar 2024
10 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

Yorktown Management & Research Co Inc holds $433,187 across 1 Waste Management name. CLH ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CLH
Clean Harbors Inc
This page
1,450 $433,187

All Filings in CLH

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $433,187 1,450
2026-03-31 $415,758 1,450
2025-12-31 $339,996 1,450
2025-09-30 $336,719 1,450
2025-06-30 $335,211 1,450
2025-03-31 $285,795 1,450
2024-12-31 $333,703 1,450
2024-09-30 $350,479 1,450
2024-06-30 $327,917 1,450
2024-03-31 $291,899 1,450