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CoStar shares owned by Thompson, Siegel, & Walmsley

Quarter-by-quarter ownership of CoStar (CSGP) shares owned by Thompson, Siegel, & Walmsley from 13F filings

Historical chart of Thompson, Siegel, & Walmsley investment in CoStar

Tip: Access up to 7 years of quarterly data

All positions including CoStar held by Thompson, Siegel, & Walmsley consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in CoStar by Thompson, Siegel, & Walmsley

Quarter filed Position value Share count Share price at filing
2026-03-31 $25M 615k 40.34
2023-06-30 $267k 3.0k 89.00
2023-03-31 $275k 4.0k 68.75
2022-12-31 $386k 5.0k 77.20
2022-09-30 $139k 2.0k 69.50
2022-03-31 $599k 9.0k 66.56
2021-12-31 $237k 3.0k 79.00
2018-12-31 $506k 1.5k 337.33
2017-03-31 $321k 1.6k 207.10
2014-09-30 $465k 3.0k 155.52
2014-06-30 $1.1M 7.0k 158.24
2014-03-31 $663k 3.6k 186.76