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CoStar shares owned by Ossiam

Quarter-by-quarter ownership of CoStar (CSGP) shares owned by Ossiam from 13F filings

Historical chart of Ossiam investment in CoStar

Tip: Access up to 7 years of quarterly data

All positions including CoStar held by Ossiam consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in CoStar by Ossiam

Quarter filed Position value Share count Share price at filing
2025-12-31 $12M 174k 67.24
2025-09-30 $15M 176k 84.37
2025-06-30 $3.8M 48k 80.40
2025-03-31 $691k 8.7k 79.23
2024-12-31 $840k 12k 71.59
2024-09-30 $968k 13k 75.44
2024-06-30 $601k 8.1k 74.14
2024-03-31 $780k 8.1k 96.60
2023-09-30 $539k 7.0k 76.89
2023-06-30 $794k 8.9k 89.00
2023-03-31 $184k 2.7k 68.85
2022-12-31 $467k 6.0k 77.28
2022-09-30 $878k 13k 69.64
2022-03-31 $69k 1.0k 66.47