COSTAR GROUP INC CSGP

US Services media Services-Business Services, NEC
$30.00
+2.2%
52w: $28.32 – $96.83

Latest 13F among current holders filed 5 days ago (Jun 30, 2026)

Price — last 12 months

research preview data
28.3262.5896.83
Jun 20, 2025 Jul 2, 2026
Institutional holders
790
-56 QoQ
13F value
$16.43B
-41.3% QoQ
Smart-money holders
57
signal tier ≥ 2
New smart buyers
14
Q1 2026
Options barometer
3.6×
$142.3M calls / $39.3M puts

Institutional value by quarter

$42.33B
Q1 2024
$29.40B
Q2 2024
$30.06B
Q3 2024
$29.34B
Q4 2024
$34.04B
Q1 2025
$34.09B
Q2 2025
$35.06B
Q3 2025
$28.00B
Q4 2025
$16.43B
Q1 2026

Number of holders

765
Q1 2024
765
Q2 2024
772
Q3 2024
804
Q4 2024
856
Q1 2025
872
Q2 2025
903
Q3 2025
846
Q4 2025
790
Q1 2026

Who owns CSGP?

Q1 2026 filings
FundTypeSharesValue% of fundChange
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical38.2M$1.54B0.1%
BlackRock, Inc. Index provider33.8M$1.36B0.0%-0.5%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical27.4M$1.11B0.0%
STATE STREET CORP Index provider18.7M$752.4M0.0%+0.1%
PRINCIPAL FINANCIAL GROUP INC Diversified mechanical17.7M$713.9M0.4%+0.7%
BAMCO INC /NY/ Other16.3M$658.1M2.0%-16.3%
Capital International Investors Long only active15.5M$625.8M0.1%+43.1%
BAILLIE GIFFORD & CO ★2Long only active13.6M$549.1M0.6%+5.2%
POLEN CAPITAL MANAGEMENT LLC ★2Long only active12.6M$507.1M3.5%+157.0%
GEODE CAPITAL MANAGEMENT, LLC Index provider12.4M$500.4M0.0%+2.2%
AKRE CAPITAL MANAGEMENT LLC ★3Value conviction10.3M$417.4M6.8%+7.6%
GOLDMAN SACHS GROUP INC Bank broker9.2M$373.0M0.0%+146.5%
JANUS HENDERSON GROUP PLC Diversified mechanical7.7M$311.6M0.1%+3.4%
Invesco Ltd. Index provider7.1M$287.9M0.0%+32.5%
D. E. Shaw & Co., Inc. Quant stat arb5.9M$238.4M0.2%+552.6%
MORGAN STANLEY Bank broker5.4M$218.3M0.0%+2.3%
Capital Research Global Investors Long only active4.4M$176.4M0.0%-21.4%
BANK OF AMERICA CORP /DE/ Bank broker3.6M$143.9M0.0%+1.8%
VAN ECK ASSOCIATES CORP Diversified mechanical3.5M$140.3M0.1%+6054.4%
NORTHERN TRUST CORP Index provider3.4M$138.5M0.0%-1.0%
Meritage Group LP ★2Fundamental concentrated3.3M$134.3M5.1%New
Amundi Diversified mechanical3.3M$132.3M0.0%-20.3%
Legal & General Group Plc Diversified mechanical3.0M$122.0M0.0%+5.7%
BECK MACK & OLIVER LLC ★2Fundamental diversified2.9M$118.1M2.4%+31.6%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider2.9M$115.9M0.0%+7.9%
FMR LLC Long only active2.8M$114.2M0.0%+135.5%
Ensign Peak Advisors, Inc Diversified mechanical2.7M$110.3M0.2%+372.8%
BNP PARIBAS ASSET MANAGEMENT Holding S.A. Bank broker2.7M$107.9M0.1%-4.9%
BANK OF MONTREAL /CAN/ Bank broker2.5M$100.4M0.0%+448.0%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Bank broker2.4M$97.9M0.0%-0.3%
DIMENSIONAL FUND ADVISORS LP Quant stat arb2.4M$96.9M0.0%+3.5%
Bank of New York Mellon Corp Diversified mechanical2.4M$96.8M0.0%-41.6%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical2.4M$96.5M0.0%
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Diversified mechanical2.3M$94.1M0.2%-40.3%
CANADA PENSION PLAN INVESTMENT BOARD Pension sovereign2.0M$81.1M0.1%+171.2%
Nuveen, LLC Diversified mechanical1.9M$77.9M0.0%-45.8%
DEUTSCHE BANK AG\ Bank broker1.9M$76.6M0.0%+7.0%
JPMORGAN CHASE & CO Bank broker1.8M$75.6M0.0%+139.6%
ENVESTNET ASSET MANAGEMENT INC Wealth advisor1.8M$72.7M0.0%+34.9%
MACKENZIE FINANCIAL CORP Diversified mechanical1.6M$66.1M0.1%-1.3%
DF DENT & CO INC Other1.6M$64.8M1.2%-20.0%
PRICE T ROWE ASSOCIATES INC /MD/ Diversified mechanical1.5M$61.2M0.0%+26.6%
TREMBLANT CAPITAL GROUP ★2Fundamental diversified1.5M$60.8M2.0%-7.9%
TIGER GLOBAL MANAGEMENT LLC ★2Fundamental diversified1.5M$60.5M0.3%-33.6%
ROYAL BANK OF CANADA Bank broker1.4M$57.9M0.0%+9.8%
WELLS FARGO & COMPANY/MN Bank broker1.4M$56.6M0.0%+59.2%
Greenhouse Funds LLLP ★2Fundamental diversified1.4M$55.6M2.6%New
Pictet Asset Management Holding SA Diversified mechanical1.4M$55.4M0.1%+30.0%
CAPITOLIS LIQUID GLOBAL MARKETS LLC Other1.4M$54.7M0.3%
HSBC HOLDINGS PLC Bank broker1.3M$54.4M0.0%-31.8%

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