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  Tetra Tech, Inc. (TTEK)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2019   Q1 0 0.00 Sell 100.00% 0.51 SEC
2018   Q4 119,797 0.51 Reduce 9.02% 0.05 $51.77 $6,202,000 SEC
2018   Q3 131,673 0.51 Reduce 0.05% <0.01 $68.31 $8,994,000 SEC
2018   Q2 131,733 0.38 Add 0.22% <0.01 $58.50 $7,707,000 SEC
2018   Q1 131,444 0.33 $48.96 $6,435,000 SEC
2017   Q4 131,444 0.30 $48.16 $6,330,000 SEC
2017   Q3 131,444 0.28 $46.55 $6,119,000 SEC
2017   Q2 131,444 0.27 Reduce 11.93% 0.03 $45.75 $6,014,000 SEC
2017   Q1 149,244 0.28 $40.85 $6,097,000 SEC
2016   Q4 149,244 0.30 Reduce 0.43% <0.01 $43.15 $6,440,000 SEC
2016   Q3 149,891 0.25 Add 0.04% <0.01 $35.47 $5,317,000 SEC
2016   Q2 149,836 0.21 Reduce 44.54% 0.14 $30.75 $4,607,000 SEC
2016   Q1 270,165 0.32 Add 0.03% <0.01 $29.82 $8,056,000 SEC
2015   Q4 270,075 0.23 Reduce 22.10% 0.05 $26.02 $7,027,000 SEC
2015   Q3 346,716 0.24 Reduce 15.18% 0.04 $24.31 $8,429,000 SEC
2015   Q2 408,753 0.27 $25.64 $10,480,000 SEC
2015   Q1 408,753 0.26 Add 0.02% <0.01 $24.02 $9,818,000 SEC
2014   Q4 408,665 0.29 Reduce 67.00% 0.46 $26.70 $10,911,000 SEC
2014   Q3 1,238,251 0.69 $24.98 $30,932,000 SEC
2014   Q2 1,238,251 0.70 Reduce 12.87% 0.11 $27.50 $34,052,000 SEC
2014   Q1 1,421,072 0.86 $29.59 $42,050,000 SEC
2013   Q4 1,421,072 0.77 Add 10.95% 0.08 $27.98 $39,762,000 SEC
2013   Q3 1,280,861 0.68 Add 38.14% 0.19 $25.89 $33,161,000 SEC
2013   Q2 927,198 0.46 Buy 0.46 $23.51 $21,798,000 SEC