IO
Dimensional Fund Advisors’s ION Geophysical Corporation IO Stock Holding History
| Quarter | Market Value | Status | Shares |
Shares Change % | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2021
Q3 | – | Sell |
-12,587
| Closed | -$26K | – | 3586 |
|
|
2021
Q2 | $26K | Hold |
12,587
| – | – | ﹤0.01% | 3457 |
|
|
2021
Q1 | $27K | Buy |
+12,587
| New | +$27K | ﹤0.01% | 3403 |
|
|
2020
Q4 | – | Sell |
-167,658
| Closed | -$251K | – | 3408 |
|
|
2020
Q3 | $251K | Sell |
167,658
-193,715
| -54% | -$290K | ﹤0.01% | 3177 |
|
|
2020
Q2 | $846K | Sell |
361,373
-140,506
| -28% | -$329K | ﹤0.01% | 2980 |
|
|
2020
Q1 | $637K | Sell |
501,879
-19,392
| -4% | -$24.6K | ﹤0.01% | 3010 |
|
|
2019
Q4 | $4.53M | Sell |
521,271
-10,358
| -2% | -$89.9K | ﹤0.01% | 2642 |
|
|
2019
Q3 | $4.85M | Buy |
531,629
+3,253
| +0.6% | +$29.7K | ﹤0.01% | 2611 |
|
|
2019
Q2 | $4.25M | Buy |
528,376
+59,051
| +13% | +$475K | ﹤0.01% | 2689 |
|
|
2019
Q1 | $6.78M | Buy |
469,325
+31,989
| +7% | +$462K | ﹤0.01% | 2544 |
|
|
2018
Q4 | $2.27M | Buy |
437,336
+7,969
| +2% | +$41.3K | ﹤0.01% | 2831 |
|
|
2018
Q3 | $6.68M | Buy |
429,367
+2,783
| +0.7% | +$43.3K | ﹤0.01% | 2593 |
|
|
2018
Q2 | $10.4M | Buy |
426,584
+54,421
| +15% | +$1.32M | ﹤0.01% | 2407 |
|
|
2018
Q1 | $10.1M | Buy |
372,163
+128,856
| +53% | +$3.49M | ﹤0.01% | 2376 |
|
|
2017
Q4 | $4.81M | Hold |
243,307
| – | – | ﹤0.01% | 2636 |
|
|
2017
Q3 | $2.31M | Sell |
243,307
-22,071
| -8% | -$210K | ﹤0.01% | 2825 |
|
|
2017
Q2 | $1.15M | Hold |
265,378
| – | – | ﹤0.01% | 2955 |
|
|
2017
Q1 | $1.29M | Sell |
265,378
-1,876
| -0.7% | -$9.1K | ﹤0.01% | 2922 |
|
|
2016
Q4 | $1.6M | Buy |
267,254
+1,508
| +0.6% | +$9.05K | ﹤0.01% | 2872 |
|
|
2016
Q3 | $1.82M | Sell |
265,746
-3,571
| -1% | -$24.5K | ﹤0.01% | 2808 |
|
|
2016
Q2 | $1.68M | Sell |
269,317
-2,774
| -1% | -$17.3K | ﹤0.01% | 2821 |
|
|
2016
Q1 | $2.2M | Sell |
272,091
-3,921,653
| -94% | -$31.7M | ﹤0.01% | 2742 |
|
|
2015
Q4 | $2.11M | Sell |
4,193,744
-119,823
| -3% | -$60.3K | ﹤0.01% | 2789 |
|
|
2015
Q3 | $1.68M | Sell |
4,313,567
-216,171
| -5% | -$84.3K | ﹤0.01% | 2869 |
|
|
2015
Q2 | $4.85M | Sell |
4,529,738
-198,696
| -4% | -$213K | ﹤0.01% | 2589 |
|
|
2015
Q1 | $10.3M | Buy |
4,728,434
+17,485
| +0.4% | +$37.9K | 0.01% | 2232 |
|
|
2014
Q4 | $13M | Buy |
4,710,949
+56,091
| +1% | +$154K | 0.01% | 2096 |
|
|
2014
Q3 | $13M | Buy |
4,654,858
+323,596
| +7% | +$903K | 0.01% | 2001 |
|
|
2014
Q2 | $18.3M | Buy |
4,331,262
+742,955
| +21% | +$3.14M | 0.01% | 1737 |
|
|
2014
Q1 | $15.1M | Sell |
3,588,307
-59,786
| -2% | -$252K | 0.01% | 1838 |
|
|
2013
Q4 | $12M | Buy |
3,648,093
+1,085
| +0% | +$3.58K | 0.01% | 2021 |
|
|
2013
Q3 | $19M | Sell |
3,647,008
-47,895
| -1% | -$249K | 0.02% | 1477 |
|
|
2013
Q2 | $22.2M | Buy |
+3,694,903
| New | +$22.2M | 0.02% | 1162 |
|