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  United Microelectronics Corp. SPON (UMC)
← All UMC superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2011   Q4 0 0.00 Sell 100.00% <0.01 $1.84–2.36 · VW $2.15i SEC
2011   Q3 48,905 <0.01 Reduce 36.90% <0.01 $1.77–2.58 · VW $2.11i $93,000 SEC
2011   Q2 77,505 <0.01 Reduce 45.59% <0.01 $2.40–2.89 · VW $2.69i $198,000 SEC
2011   Q1 142,451 <0.01 $2.73 $389,000 SEC
2010   Q4 142,451 <0.01 Reduce 11.66% <0.01 $2.59–3.32 · VW $3.03i $450,000 SEC
2010   Q3 161,251 0.01 Reduce 39.30% <0.01 $2.50–3.26 · VW $2.84i $448,000 SEC
2010   Q2 265,651 0.02 Reduce 12.70% <0.01 $2.85–3.94 · VW $3.32i $773,000 SEC
2010   Q1 304,303 0.02 $3.76 $1,144,000 SEC
2009   Q4 304,303 0.03 Reduce 16.42% <0.01 $3.21–3.92 · VW $3.56i $1,181,000 SEC
2009   Q3 364,077 0.03 $3.80 $1,383,000 SEC
2009   Q2 364,077 0.03 $2.64 $961,000 SEC
2009   Q1 364,077 0.03 Buy 0.03 $1.65–2.92 · VW $2.11i $921,000 SEC
2008   Q4 0 0.00 Sell 100.00% 0.15 $1.47–2.65 · VW $2.07i SEC
2008   Q2 1,843 0.15 Reduce 67.94% 0.27 $2.77–3.61 · VW $3.18i $604,000 SEC
2008   Q1 5,748 0.40 Add 23.72% 0.08 $2.63–3.54 · VW $3.04i $1,627,200 SEC
2007   Q4 4,646 0.32 Buy 0.32 $3.09–5.15 · VW $3.61i $1,285,100 SEC