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Wright Investors Service Inc

SEC CIK
0000108572
Latest filing
Aug 5, 2026

CLH holding history

Clean Harbors Inc in every 13F filed by Wright Investors Service Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CLH overviewAll 13F holders of CLHFull Q2 2026 holdings

Shares (Q3 2024)
0
Sold out in Q3 2024
Value
$0
% of portfolio
0.0%
Quarters held
1
Since Q2 2024
Holdings of CLH by Wright Investors Service Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q3 20240$00.0%−2,202−100.0%Sold outHolders
Q2 20242,202$498.0K0.1%+2,202NewHolders