Alambic Investment Management’s ION Geophysical Corporation IO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2020
Q1
Sell
-87,940
Closed -$763K 312
2019
Q4
$763K Buy
87,940
+14,027
+19% +$122K 0.64% 43
2019
Q3
$674K Buy
73,913
+12,508
+20% +$114K 0.51% 60
2019
Q2
$494K Buy
61,405
+40,277
+191% +$324K 0.31% 138
2019
Q1
$305K Buy
+21,128
New +$305K 0.13% 227
2018
Q3
Sell
-55,565
Closed -$1.35M 435
2018
Q2
$1.35M Sell
55,565
-111,048
-67% -$2.7M 0.37% 98
2018
Q1
$4.52M Buy
166,613
+135,113
+429% +$3.66M 0.63% 25
2017
Q4
$622K Buy
+31,500
New +$622K 0.07% 292
2017
Q2
Sell
-13,900
Closed -$67K 764
2017
Q1
$67K Buy
+13,900
New +$67K 0.01% 615