MWNA
IO

Marshall Wace North America’s ION Geophysical Corporation IO Stock Holding History

Marshall Wace North America’s Portfolio IO Stock Details IO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2019
Q2 		– Sell
-1,096
Closed -$16K – 1878
2019
Q1 		$16K Buy
+1,096
New +$16K ﹤0.01% 1415
2018
Q2 		– Sell
-311,499
Closed -$8.44M – 1926
2018
Q1 		$8.44M Buy
+311,499
New +$8.44M 0.04% 437