Purchases and Sales Made in Q4 2021 in Ion Geophysical Corporation (IO)
This table provides information about the institutional ownership of Ion Geophysical Corporation (IO) during Q4 2021. The information is specifically focused on institutions that hold shares of ION Geophysical Corporation.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Feb 14, 2022
Q4 2021
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
24.6K+ 2.78% |
N/A
|
910K
$0
|
|
|
Feb 10, 2022
Q4 2021
|
Black Rock Inc.
New York, NY |
BUY
|
- |
2.1K+ 1.03% |
N/A
|
207K
$0
|