CoStar shares owned by William Blair $ Company
Quarter-by-quarter ownership of CoStar (CSGP) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in CoStar
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All positions including CoStar held by William Blair $ Company consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in CoStar by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $79M | 721k | 109.46 |
| 2012-12-31 | $36M | 405k | 89.37 |
| 2012-09-30 | $56M | 684k | 81.54 |
| 2012-06-30 | $52M | 646k | 81.20 |
| 2011-12-31 | $45M | 678k | 66.73 |
| 2011-09-30 | $43M | 822k | 51.97 |
| 2011-03-31 | $33M | 526k | 62.68 |
| 2010-12-31 | $30M | 518k | 57.56 |