21vianet Group shares owned by Oberweis Asset Management
Quarter-by-quarter ownership of 21vianet Group (VNET) shares owned by Oberweis Asset Management
from 13F filings
Historical chart of Oberweis Asset Management investment in 21vianet Group
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Quarterly reported holdings in 21vianet Group by Oberweis Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $8.9M | 942k | 9.40 |
| 2012-12-31 | $10M | 1.1M | 9.61 |
| 2012-03-31 | $7.1M | 624k | 11.35 |
| 2011-12-31 | $3.7M | 400k | 9.15 |
| 2011-09-30 | $3.1M | 306k | 10.15 |
| 2011-06-30 | $2.1M | 150k | 13.74 |
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