Vanguard Group
IO

Vanguard Group’s ION Geophysical Corporation IO Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2022
Q2
Sell
-1,009,992
Closed -$881K 4700
2022
Q1
$881K Buy
1,009,992
+99,682
+11% +$87K ﹤0.01% 4248
2021
Q4
$801K Buy
910,310
+24,580
+3% +$21.6K ﹤0.01% 4322
2021
Q3
$1.18M Buy
885,730
+39,201
+5% +$52.1K ﹤0.01% 4209
2021
Q2
$1.77M Buy
846,529
+377,489
+80% +$789K ﹤0.01% 4002
2021
Q1
$1M Buy
469,040
+14,800
+3% +$31.6K ﹤0.01% 4007
2020
Q4
$1.1M Sell
454,240
-56
-0% -$136 ﹤0.01% 3802
2020
Q3
$682K Sell
454,296
-20,974
-4% -$31.5K ﹤0.01% 3748
2020
Q2
$1.11M Sell
475,270
-12,891
-3% -$30.2K ﹤0.01% 3585
2020
Q1
$619K Hold
488,161
﹤0.01% 3623
2019
Q4
$4.24M Buy
488,161
+59,449
+14% +$516K ﹤0.01% 3219
2019
Q3
$3.91M Sell
428,712
-67,753
-14% -$618K ﹤0.01% 3228
2019
Q2
$4M Buy
496,465
+8,705
+2% +$70.1K ﹤0.01% 3243
2019
Q1
$7.04M Buy
487,760
+204,781
+72% +$2.96M ﹤0.01% 3003
2018
Q4
$1.47M Sell
282,979
-243,341
-46% -$1.26M ﹤0.01% 3454
2018
Q3
$8.18M Buy
526,320
+38,778
+8% +$603K ﹤0.01% 3019
2018
Q2
$11.8M Buy
487,542
+66,046
+16% +$1.6M ﹤0.01% 2814
2018
Q1
$11.4M Buy
421,496
+28,949
+7% +$784K ﹤0.01% 2772
2017
Q4
$7.75M Buy
392,547
+161,125
+70% +$3.18M ﹤0.01% 2947
2017
Q3
$2.2M Sell
231,422
-58,995
-20% -$561K ﹤0.01% 3365
2017
Q2
$1.26M Sell
290,417
-69,671
-19% -$303K ﹤0.01% 3523
2017
Q1
$1.75M Sell
360,088
-74,972
-17% -$364K ﹤0.01% 3420
2016
Q4
$2.61M Buy
435,060
+17,734
+4% +$106K ﹤0.01% 3271
2016
Q3
$2.86M Buy
417,326
+11,344
+3% +$77.7K ﹤0.01% 3254
2016
Q2
$2.53M Sell
405,982
-17,371
-4% -$108K ﹤0.01% 3285
2016
Q1
$3.42M Sell
423,353
-5,868,155
-93% -$47.4M ﹤0.01% 3148
2015
Q4
$3.17M Buy
6,291,508
+983,551
+19% +$495K ﹤0.01% 3209
2015
Q3
$2.07M Sell
5,307,957
-1,344,213
-20% -$524K ﹤0.01% 3363
2015
Q2
$7.12M Sell
6,652,170
-2,461,601
-27% -$2.63M ﹤0.01% 2846
2015
Q1
$19.8M Buy
9,113,771
+621,960
+7% +$1.35M ﹤0.01% 2325
2014
Q4
$23.4M Sell
8,491,811
-778,447
-8% -$2.14M ﹤0.01% 2177
2014
Q3
$25.9M Buy
9,270,258
+695,821
+8% +$1.94M ﹤0.01% 2101
2014
Q2
$36.2M Sell
8,574,437
-141,419
-2% -$597K ﹤0.01% 1988
2014
Q1
$36.7M Buy
8,715,856
+1,264,623
+17% +$5.32M ﹤0.01% 1957
2013
Q4
$24.6M Sell
7,451,233
-115,187
-2% -$380K ﹤0.01% 2095
2013
Q3
$39.3M Buy
7,566,420
+170,628
+2% +$887K ﹤0.01% 1865
2013
Q2
$44.5M Buy
+7,395,792
New +$44.5M ﹤0.01% 1703