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  Westlake Corp. (WLK)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2015   Q2 0 0.00 Sell 100.00% 0.01 SEC
2015   Q1 4,900 0.01 Add 8.89% <0.01 $72.04 $353,000 SEC
2014   Q4 4,500 0.01 Buy 0.01 $61.11 $275,000 SEC
2013   Q2 0 0.00 Sell 100.00% SEC
2012   Q2 292,557 0.00 Reduce 7.75% 0.05 $52.26 $15,289,000 SEC
2012   Q1 317,145 0.59 Reduce 51.30% 0.41 $64.79 $20,548,000 SEC
2011   Q4 651,174 0.80 Add 14.60% 0.10 $40.24 $26,203,000 SEC
2011   Q3 568,234 0.60 Add 2.02% 0.01 $34.28 $19,479,000 SEC
2011   Q2 557,009 0.70 Reduce 44.97% 0.56 $51.90 $28,909,000 SEC
2011   Q1 1,012,258 1.25 Reduce 26.72% 0.35 $56.20 $56,889,000 SEC
2010   Q4 1,381,325 1.32 Reduce 10.71% 0.12 $43.47 $60,046,000 SEC
2010   Q3 1,547,024 1.08 Reduce 5.58% 0.04 $29.93 $46,302,000 SEC
2010   Q2 1,638,393 0.79 Reduce 9.10% 0.09 $18.57 $30,425,000 SEC
2010   Q1 1,802,443 0.98 Add 2.31% 0.02 $25.79 $46,485,000 SEC
2009   Q4 1,761,737 0.95 Reduce 7.19% 0.07 $24.93 $43,920,000 SEC
2009   Q3 1,898,133 1.04 Reduce 33.99% 0.52 $25.70 $48,782,000 SEC
2009   Q2 2,875,719 1.52 Reduce 26.51% 0.46 $20.39 $58,636,000 SEC
2009   Q1 3,913,088 1.73 Buy 1.73 $14.63 $57,248,000 SEC
2008   Q4 0 0.00 Sell 100.00% 1.58 SEC
2008   Q2 95,710 1.58 Add 19.14% 0.25 $67,294.83 $6,440,788,000 SEC
2008   Q1 80,335 1.51 Reduce 8.81% 0.12 $76,628.62 $6,155,960,000 SEC
2007   Q4 88,101 1.31 Add 18.88% 0.21 $7,256.84 $639,335,000 SEC
2007   Q3 74,111 0.83 Add 45.63% 0.26 $39,478.84 $2,925,816,000 SEC
2007   Q2 50,890 0.48 Add 106.74% 0.25 $35,562.06 $1,809,753,000 SEC
2007   Q1 24,616 0.27 Buy 0.27 $36,832.99 $906,681,000 SEC