ProShares Ultra S&P500 shares owned by William Blair $ Company
Quarter-by-quarter ownership of ProShares Ultra S&P500 (SSO) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in ProShares Ultra S&P500
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Quarterly reported holdings in ProShares Ultra S&P500 by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $472k | 6.5k | 72.90 |
| 2012-12-31 | $479k | 8.0k | 60.25 |
| 2012-09-30 | $494k | 8.1k | 61.18 |
| 2012-06-30 | $519k | 9.5k | 54.49 |
| 2011-12-31 | $458k | 9.9k | 46.38 |
| 2011-09-30 | $348k | 9.2k | 37.93 |
| 2011-03-31 | $512k | 9.6k | 53.19 |
| 2010-12-31 | $515k | 11k | 48.04 |