Martin Whitman - Third Avenue Management
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    53
Portfolio value:    $616,036,133
Holdings Activity Buys Sells    History
Holding/activity history for  Clean Harbors, Inc. (CLH)
← All CLH superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2015   Q2 0 0.00 Sell 100.00% 0.12 $45.69–57.86 · VW $51.02i SEC
2015   Q1 78,715 0.12 Reduce 31.02% 0.05 $47.29–59.29 · VW $53.94i $4,469,000 SEC
2014   Q4 114,107 0.15 Add 0.02% $43.05–51.18 · VW $47.18i $5,483,000 SEC
2014   Q3 114,083 0.14 Buy 0.14 $46.20–61.46 · VW $52.43i $6,151,000 SEC
Price snapshot:
Current price$303.64
52-week low$201.34
52-week high$316.98