CoStar shares owned by William Blair Investment Management
Quarter-by-quarter ownership of CoStar (CSGP) shares owned by William Blair Investment Management
from 13F filings
Historical chart of William Blair Investment Management investment in CoStar
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Quarterly reported holdings in CoStar by William Blair Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $147M | 1.7M | 87.39 |
| 2023-09-30 | $124M | 1.6M | 76.89 |
| 2023-06-30 | $192M | 2.2M | 89.00 |
| 2023-03-31 | $172M | 2.5M | 68.85 |
| 2022-12-31 | $240M | 3.1M | 77.28 |
| 2022-09-30 | $223M | 3.2M | 69.65 |
| 2022-06-30 | $156M | 2.6M | 60.41 |
| 2022-03-31 | $107M | 1.6M | 66.61 |
| 2021-12-31 | $98M | 1.2M | 79.03 |
| 2021-09-30 | $74M | 860k | 86.06 |
| 2021-06-30 | $73M | 886k | 82.82 |
| 2021-03-31 | $75M | 91k | 821.89 |
| 2020-12-31 | $85M | 92k | 924.28 |
| 2020-09-30 | $103M | 121k | 848.51 |
| 2020-06-30 | $93M | 130k | 710.67 |
| 2020-03-31 | $75M | 127k | 587.21 |
| 2019-12-31 | $77M | 129k | 598.30 |
| 2019-09-30 | $82M | 137k | 593.20 |
| 2019-06-30 | $237M | 427k | 554.06 |
| 2019-03-31 | $390M | 837k | 466.42 |
| 2018-12-31 | $285M | 844k | 337.34 |
| 2018-09-30 | $418M | 994k | 420.84 |
| 2018-06-30 | $440M | 1.1M | 412.63 |
| 2018-03-31 | $419M | 1.2M | 362.68 |
| 2017-12-31 | $339M | 1.1M | 296.95 |
| 2017-09-30 | $374M | 1.4M | 268.25 |
| 2017-06-30 | $383M | 1.5M | 263.60 |
| 2017-03-31 | $336M | 1.6M | 207.22 |
| 2016-12-31 | $304M | 1.6M | 188.49 |
| 2016-09-30 | $328M | 1.5M | 216.53 |
| 2016-06-30 | $340M | 1.6M | 218.66 |
| 2016-03-31 | $296M | 1.6M | 188.17 |
| 2015-12-31 | $283M | 1.4M | 206.69 |
| 2015-09-30 | $197M | 1.1M | 173.06 |
More positions owned by William Blair Investment Management
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