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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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All positions including American Tower Reit held by William Blair $ Company consolidated in one spreadsheet with up to 7 years of data

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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