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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