A.R.T. Advisors’s ION Geophysical Corporation IO Stock Holding History
| Quarter | Market Value | Status | Shares |
Shares Change % | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2020
Q1 | – | Sell |
-21,451
| Closed | -$186K | – | 1269 |
|
|
2019
Q4 | $186K | Buy |
+21,451
| New | +$186K | 0.01% | 1166 |
|
|
2019
Q1 | – | Sell |
-17,445
| Closed | -$90K | – | 1808 |
|
|
2018
Q4 | $90K | Buy |
+17,445
| New | +$90K | 0.01% | 1174 |
|
|
2018
Q2 | – | Sell |
-13,943
| Closed | -$377K | – | 1989 |
|
|
2018
Q1 | $377K | Buy |
+13,943
| New | +$377K | 0.02% | 1062 |
|
|
2017
Q2 | – | Sell |
-41,680
| Closed | -$202K | – | 1970 |
|
|
2017
Q1 | $202K | Buy |
41,680
+27,820
| +201% | +$135K | 0.01% | 1168 |
|
|
2016
Q4 | $83K | Buy |
+13,860
| New | +$83K | 0.01% | 1171 |
|
|
2013
Q3 | – | Sell |
-1,938
| Closed | -$175K | – | 1667 |
|
|
2013
Q2 | $175K | Buy |
+1,938
| New | +$175K | 0.01% | 1181 |
|