ION Geophysical Corporation shares owned by Charles Schwab Bank
Quarter-by-quarter ownership of ION Geophysical Corporation shares owned by Charles Schwab Bank
from 13F filings
Historical chart of Charles Schwab Bank investment in ION Geophysical Corporation
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Quarterly reported holdings in ION Geophysical Corporation by Charles Schwab Bank
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $155k | 23k | 6.83 |