American Tower Reit shares owned by William Blair $ Company
Quarter-by-quarter ownership of American Tower Reit (AMT) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in American Tower Reit
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Quarterly reported holdings in American Tower Reit by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $4.7M | 61k | 76.91 |
| 2012-12-31 | $721k | 9.3k | 77.19 |
| 2012-09-30 | $665k | 9.3k | 71.34 |
| 2012-06-30 | $661k | 9.5k | 69.90 |
| 2011-12-31 | $379k | 6.3k | 59.91 |