ProShares Short 20+ Year Treasury ETF shares owned by William Blair $ Company
Quarter-by-quarter ownership of ProShares Short 20+ Year Treasury ETF (TBF) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in ProShares Short 20+ Year Treasury ETF
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Quarterly reported holdings in ProShares Short 20+ Year Treasury ETF by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $613k | 21k | 29.89 |
| 2012-12-31 | $570k | 19k | 29.38 |
| 2012-09-30 | $1.3M | 45k | 29.09 |
| 2012-06-30 | $1.3M | 46k | 29.29 |
| 2011-12-31 | $1.5M | 49k | 31.17 |
| 2011-09-30 | $1.6M | 49k | 32.14 |
| 2011-03-31 | $3.0M | 68k | 44.32 |
| 2010-12-31 | $2.4M | 55k | 44.24 |
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