ZIOPHARM Oncology shares owned by Vanguard Group
Quarter-by-quarter ownership of ZIOPHARM Oncology shares owned by Vanguard Group
from 13F filings
Historical chart of Vanguard Group investment in ZIOPHARM Oncology
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Quarterly reported holdings in ZIOPHARM Oncology by Vanguard Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $4.9M | 2.7M | 1.83 |
| 2012-12-31 | $15M | 3.7M | 4.16 |
| 2012-09-30 | $19M | 3.6M | 5.45 |
| 2012-03-31 | $18M | 3.3M | 5.40 |
| 2011-09-30 | $12M | 2.6M | 4.41 |
| 2011-03-31 | $5.3M | 854k | 6.25 |