CSGPCoStar Group

$32.13

Who owns CSGP

768 institutions reported holding CSGP for 2026Q1, together 98% of the company, fewer than the 827 a quarter earlier.

768

Institutions reporting a position · as of 2026Q1 · down from 827 the quarter before

Shares held by institutions
405.9M

Shares held by institutions · 98% of the company · long US equity positions only, as reported on Form 13F

Reported value
$16.4B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
38%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
117
Positions exited
181
Added to
288
Reduced
252
Top 10 holdersof the company
53%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q1768405.9M$16.4B
2025Q4827412.0M$27.7B
2025Q3882412.5M$34.8B
2025Q2853423.9M$34.1B
2025Q1838428.0M$33.9B
2024Q4785402.7M$28.8B
2024Q3756397.0M$30.0B
2024Q2749394.2M$29.2B
2024Q1750398.0M$38.3B
2023Q4723393.6M$34.3B
2023Q3678391.3M$30.1B
2023Q2704398.5M$35.5B
2023Q1681388.3M$26.8B
2022Q4693393.4M$30.4B
2022Q3626401.9M$28.0B
2022Q2583380.4M$23.0B
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC69.9M17%$2.82B
BlackRock Inc.33.8M8.2%$1.36B
STATE STREET CORP18.7M4.5%$752M
PRINCIPAL FINANCIAL GROUP INC17.7M4.3%$714M
BAMCO INC /NY/16.3M3.9%$658M
Capital International Investors15.5M3.7%$626M
BAILLIE GIFFORD & CO13.6M3.3%$549M
POLEN CAPITAL MANAGEMENT LLC12.6M3.0%$507M
GEODE CAPITAL MANAGEMENT LLC12.4M3.0%$500M
AKRE CAPITAL MANAGEMENT LLC10.3M2.5%$417M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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