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StockSpill

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Coming soon

InsightsAnalysisInvestorsCongressWatchlist
Account

Superinvestors

  • All superinvestors
  • Warren Buffett
  • Value investors
  • Activist investors
  • Smart-money insights

Congress trades

  • All congress trades
  • Senate trades
  • House trades
  • Nancy Pelosi
  • Donald Trump

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  • Analysis hub
  • DCF calculator
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  • Treasury yields
  • Macro data

© 2026 StockSpill. Data from SEC EDGAR filings. Logos by Parqet.

PricingRead termsRead privacy policyNotes on Data
Home › CSGP › Superinvestor holders

Which superinvestors own COSTAR GROUP, INC. (CSGP)?

4 hedge funds and family offices disclose a CSGP position in their latest SEC 13F filing — combined $898.2M in market value. Of those, 1 are classified as value investors.

#InvestorFundSharesValue% of PortfolioFiled
1Chuck AkreAkre Capital Management, LLC10,348,273$417.4M6.83%2026-03-31
2Polen CapitalPolen Capital Management LLC4,890,936$328.9M1.40%2025-12-31
3Chase ColemanTiger Global Management LLC2,259,109$151.9M0.51%2025-12-31
4Christopher BloomstranSemper Augustus Investments Group LLC77$5K0.00%2025-12-31

Related to CSGP

Valuation & analysis

  • CSGP DCF analysis
  • Free DCF calculator
  • Compound interest calculator

Smart-money holders

  • Superinvestors holding CSGP
  • Politicians trading CSGP
  • Insider buys & sells at CSGP

Most-watched investors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Bill Ackman

Other popular stocks

  • AAPL
  • NVDA
  • MSFT
  • AMZN
  • GOOGL
  • META

Smart-money ownership of CSGP

As of the latest 13F window, 4 tracked superinvestors hold CSGP. The largest disclosed position is Chuck Akre at $417.4M (6.8% of portfolio).

13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying CSGP, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.

Key takeaways

  • 4 superinvestor holders disclosed.
  • Combined $898.2M in disclosed market value.
  • Largest holder: Chuck Akre.
Home › CSGP › Superinvestor holders

Which superinvestors own COSTAR GROUP, INC. (CSGP)?

4 hedge funds and family offices disclose a CSGP position in their latest SEC 13F filing — combined $898.2M in market value. Of those, 1 are classified as value investors.

#InvestorFundSharesValue% of PortfolioFiled
1Chuck AkreAkre Capital Management, LLC10,348,273$417.4M6.83%2026-03-31
2Polen CapitalPolen Capital Management LLC4,890,936$328.9M1.40%2025-12-31
3Chase ColemanTiger Global Management LLC2,259,109$151.9M0.51%2025-12-31
4Christopher BloomstranSemper Augustus Investments Group LLC77$5K0.00%2025-12-31

Related to CSGP

Valuation & analysis

  • CSGP DCF analysis
  • Free DCF calculator
  • Compound interest calculator

Smart-money holders

  • Superinvestors holding CSGP
  • Politicians trading CSGP
  • Insider buys & sells at CSGP

Most-watched investors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Bill Ackman

Other popular stocks

  • AAPL
  • NVDA
  • MSFT
  • AMZN
  • GOOGL
  • META

Smart-money ownership of CSGP

As of the latest 13F window, 4 tracked superinvestors hold CSGP. The largest disclosed position is Chuck Akre at $417.4M (6.8% of portfolio).

13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying CSGP, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.

Key takeaways

  • 4 superinvestor holders disclosed.
  • Combined $898.2M in disclosed market value.
  • Largest holder: Chuck Akre.