CoStar shares owned by Parnassus Investments
Quarter-by-quarter ownership of CoStar (CSGP) shares owned by Parnassus Investments
from 13F filings
Historical chart of Parnassus Investments investment in CoStar
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Quarterly reported holdings in CoStar by Parnassus Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $54M | 637k | 84.37 |
| 2025-06-30 | $53M | 655k | 80.40 |
| 2024-12-31 | $860k | 12k | 71.59 |
| 2024-09-30 | $17M | 231k | 75.44 |
| 2024-06-30 | $26M | 348k | 74.14 |
| 2024-03-31 | $34M | 348k | 96.60 |
| 2023-12-31 | $30M | 348k | 87.39 |
| 2023-09-30 | $27M | 348k | 76.89 |
| 2023-06-30 | $27M | 301k | 89.00 |
| 2023-03-31 | $18M | 257k | 68.85 |
| 2022-12-31 | $166M | 2.1M | 77.28 |
| 2022-09-30 | $594M | 8.5M | 69.65 |
| 2022-06-30 | $511M | 8.4M | 60.41 |
| 2022-03-31 | $554M | 8.3M | 66.61 |
| 2021-12-31 | $476M | 6.0M | 79.03 |
| 2021-09-30 | $33M | 387k | 86.06 |
| 2021-06-30 | $32M | 387k | 82.82 |
| 2021-03-31 | $32M | 39k | 821.89 |
| 2020-12-31 | $36M | 39k | 924.29 |
| 2020-09-30 | $33M | 39k | 848.50 |
| 2020-06-30 | $28M | 40k | 710.68 |