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C

CoStar Group CSGP · USD

Industrials · Professional Services · US listing · 🇺🇸 United States

S&P 500

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31.24

+2.26%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
VANGUARD PORTFOLIO MANAGEMENT LLC38.2m9.02%+38.2m31 Mar 2026
BLACKROCK, INC.33.8m7.98%−162.4k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC27.4m6.47%+27.4m31 Mar 2026
STATE STREET CORP18.7m4.40%+18.6k31 Mar 2026
PRINCIPAL FINANCIAL GROUP INC17.7m4.18%+130.1k31 Mar 2026
BAMCO INC /NY/16.3m3.85%−3.2m31 Mar 2026
CAPITAL INTERNATIONAL INVESTORS15.5m3.66%+4.7m31 Mar 2026
BAILLIE GIFFORD & CO13.6m3.21%+677.7k31 Mar 2026
POLEN CAPITAL MANAGEMENT LLC12.6m2.97%+7.7m31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC12.4m2.94%+266.5k31 Mar 2026
AKRE CAPITAL MANAGEMENT LLC10.3m2.44%+730.5k31 Mar 2026
GOLDMAN SACHS GROUP INC9.2m2.18%+5.5m31 Mar 2026
INVESCO LTD.8.8m2.08%−711.2k31 Mar 2026
JANUS HENDERSON GROUP PLC7.7m1.82%+250.8k31 Mar 2026
D. E. SHAW & CO., INC.5.9m1.39%+5m31 Mar 2026

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
6 Mar 2026 ↗Sams Louise SDirectorPurchase1k48.36$48,360

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

15m

+12.8% on the period before. 2.9 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

22.2%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 30 Sept 202616,723 shares
  • 9 Sept 20263,694 shares
  • 3 Sept 202619,552 shares
  • 1 Sept 202679,443 shares
  • 31 Aug 202662,865 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.