Dimensional Fund Advisors’s ION Geophysical Corporation IO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2021
Q3 | – | Sell |
|
|||||
|
2021
Q2 | $26K | Hold |
|
|||||
|
2021
Q1 | $27K | Buy |
|
|||||
|
2020
Q4 | – | Sell |
|
|||||
|
2020
Q3 | $251K | Sell |
|
|||||
|
2020
Q2 | $846K | Sell |
|
|||||
|
2020
Q1 | $637K | Sell |
|
|||||
|
2019
Q4 | $4.53M | Sell |
|
|||||
|
2019
Q3 | $4.85M | Buy |
|
|||||
|
2019
Q2 | $4.25M | Buy |
|
|||||
|
2019
Q1 | $6.78M | Buy |
|
|||||
|
2018
Q4 | $2.27M | Buy |
|
|||||
|
2018
Q3 | $6.68M | Buy |
|
|||||
|
2018
Q2 | $10.4M | Buy |
|
|||||
|
2018
Q1 | $10.1M | Buy |
|
|||||
|
2017
Q4 | $4.8M | Hold |
|
|||||
|
2017
Q3 | $2.31M | Sell |
|
|||||
|
2017
Q2 | $1.15M | Hold |
|
|||||
|
2017
Q1 | $1.29M | Sell |
|
|||||
|
2016
Q4 | $1.6M | Buy |
|
|||||
|
2016
Q3 | $1.82M | Sell |
|
|||||
|
2016
Q2 | $1.68M | Sell |
|
|||||
|
2016
Q1 | $2.2M | Sell |
|
|||||
|
2015
Q4 | $2.11M | Sell |
|
|||||
|
2015
Q3 | $1.68M | Sell |
|
|||||
|
2015
Q2 | $4.85M | Sell |
|
|||||
|
2015
Q1 | $10.3M | Buy |
|
|||||
|
2014
Q4 | $13M | Buy |
|
|||||
|
2014
Q3 | $13M | Buy |
|
|||||
|
2014
Q2 | $18.3M | Buy |
|
|||||
|
2014
Q1 | $15.1M | Sell |
|
|||||
|
2013
Q4 | $12M | Buy |
|
|||||
|
2013
Q3 | $19M | Sell |
|
|||||
|
2013
Q2 | $22.2M | Buy |
|