COSTAR GROUP INC (CSGP) Institutional Ownership Changes & 13F Activity

COSTAR GROUP INC (CSGP). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Polen Capital Management, Meritage Group, Tiger Global Management, Akre Capital Management, and ShawSpring Partners.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2018Renaissance Technologies LLCSell-100,10058,898$19,869
Q4 2018Bares Capital ManagementBuy26,785591,433$199,514
Q4 2018Disciplined Growth InvestorsSell-20620,948$7,067
Q3 2018Bares Capital ManagementSell-63,132564,648$237,626
Q3 2018Renaissance Technologies LLCSell-50,600158,998$66,913
Q3 2018Disciplined Growth InvestorsSell-18,34821,154$8,902
Q2 2018Bares Capital ManagementBuy5,223627,780$259,041
Q2 2018Disciplined Growth InvestorsSell-7039,502$16,300
Q1 2018Renaissance Technologies LLCBuy3,600209,598$76,017
Q1 2018Bares Capital ManagementBuy994622,557$225,789
Q1 2018Disciplined Growth InvestorsSell-13839,572$14,352
Q4 2017Renaissance Technologies LLCBuy112,100205,998$61,171
Q4 2017Bares Capital ManagementBuy21,558621,563$184,573
Q4 2017Disciplined Growth InvestorsSell-54039,710$11,792
Q3 2017Renaissance Technologies LLCBuy57,30093,898$25,188
Q3 2017Bares Capital ManagementBuy46,294600,005$160,951
Q3 2017Disciplined Growth InvestorsSell-2,04540,250$10,797
Q2 2017Renaissance Technologies LLCBuy34,40036,598$9,647
Q2 2017Bares Capital ManagementBuy2,517553,711$145,958
Q2 2017Disciplined Growth InvestorsBuy12642,295$11,149
Q1 2017Bares Capital ManagementBuy81,722551,194$114,218
Q1 2017Disciplined Growth InvestorsSell-53042,169$8,738
Q4 2016Bares Capital ManagementBuy156,702469,472$88,491
Q4 2016Disciplined Growth InvestorsBuy3,26542,699$8,048
Q3 2016Bares Capital ManagementBuy45,158312,770$67,724
Q3 2016Renaissance Technologies LLCSell-18,1002,198$476
Q3 2016Disciplined Growth InvestorsSell-53539,434$8,539
Q2 2016Bares Capital ManagementBuy267,612267,612$58,516
Q2 2016Renaissance Technologies LLCSell-42,90020,298$4,438
Q2 2016Disciplined Growth InvestorsSell-44539,969$8,740

Frequently asked questions about CSGP activity

  • Which institutional owners are buying CSGP?

    Institutional owners buying CSGP include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CSGP activity?

    "Buy" means an investor increased their reported position in CSGP compared to the prior reporting period. This reflects growing exposure to COSTAR GROUP INC (CSGP) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CSGP increasing?

    Institutional interest in CSGP can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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