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  InterDigital, Inc. (IDCC)
← All IDCC superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2014   Q4 0 0.00 Sell 100.00% 0.58 $48.09–54.90 · VW $50.99i SEC
2014   Q3 648,252 0.58 $39.82 $25,813,000 SEC
2014   Q2 648,252 0.64 Reduce 13.04% 0.07 $33.03–49.10 · VW $42.07i $30,986,000 SEC
2014   Q1 745,452 0.51 Reduce 4.63% 0.02 $26.25–35.83 · VW $32.27i $24,682,000 SEC
2013   Q4 781,611 0.45 Buy 0.45 $27.61–38.93 · VW $31.76i $23,050,000 SEC
Price snapshot:
Current price$261.52
52-week low$211.14
52-week high$409.73