GMCM
MTSN

Gruber & McBaine Capital Management’s MATTSON TECHNOLOGY INC MTSN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2015
Q2
$1.71M Sell
510,000
-40,000
-7% -$134K 0.46% 74
2015
Q1
$2.17M Sell
550,000
-350,000
-39% -$1.38M 0.58% 58
2014
Q4
$3.06M Buy
900,000
+50,000
+6% +$170K 0.84% 32
2014
Q3
$2.1M Hold
850,000
0.59% 50
2014
Q2
$1.86M Buy
850,000
+50,000
+6% +$110K 0.5% 68
2014
Q1
$1.86M Buy
800,000
+78,700
+11% +$183K 0.48% 67
2013
Q4
$1.98M Buy
721,300
+102,300
+17% +$280K 0.52% 57
2013
Q3
$1.48M Buy
+619,000
New +$1.48M 0.45% 66