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CoStar Group Inc
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27.660USD
+0.520+1.92%
Close 07-24 16:00（ET）Quotes delayed by 15 min
11.26BMarket Cap
460.23P/E TTM
Shareholding Stats
Updated: Wed, May 13
Updated: Wed, May 13
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Vanguard Portfolio Management, LLC
9.36%
Vanguard Capital Management, LLC
6.72%
BlackRock Institutional Trust Company, N.A.
5.89%
Baron Capital Management, Inc.
4.77%
State Street Investment Management (US)
4.56%
Other
68.70%
Shareholders
Shareholders
Proportion
Vanguard Portfolio Management, LLC
9.36%
Vanguard Capital Management, LLC
6.72%
BlackRock Institutional Trust Company, N.A.
5.89%
Baron Capital Management, Inc.
4.77%
State Street Investment Management (US)
4.56%
Other
68.70%
Shareholder Types
Shareholders
Proportion
Investment Advisor
64.86%
Investment Advisor/Hedge Fund
31.05%
Hedge Fund
4.11%
Research Firm
3.48%
Pension Fund
1.81%
Sovereign Wealth Fund
1.79%
Bank and Trust
1.29%
Individual Investor
1.24%
Insurance Company
0.04%
Institutional Shareholding
Updated: Sun, Apr 5
Updated: Sun, Apr 5
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
1788
442.83M
108.44%
-29.82M
2025Q4
1696
439.37M
111.45%
+190.09K
2025Q3
1731
439.23M
112.60%
-11.34M
2025Q2
1722
451.85M
113.51%
-3.83M
2025Q1
1707
455.06M
107.07%
+3.49M
2024Q4
1636
430.05M
106.60%
+8.31M
2024Q3
1556
419.66M
104.59%
+6.02M
2024Q2
1526
412.60M
106.50%
-5.81M
2024Q1
1502
415.23M
106.86%
-21.19M
2023Q4
1485
412.07M
106.63%
+5.10M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
24.03M
5.73%
+375.55K
+1.59%
Dec 31, 2025
Baron Capital Management, Inc.
19.50M
4.64%
+242.53K
+1.26%
Dec 31, 2025
State Street Investment Management (US)
18.63M
4.44%
+348.22K
+1.90%
Dec 31, 2025
Principal Global Investors (Equity)
17.57M
4.18%
-1.06M
-5.68%
Dec 31, 2025
Capital World Investors
8.08M
1.92%
+386.61K
+5.03%
Feb 28, 2026
Baillie Gifford & Co.
12.93M
3.08%
+4.69M
+56.92%
Dec 31, 2025
Geode Capital Management, L.L.C.
12.18M
2.9%
-419.29K
-3.33%
Dec 31, 2025
Capital International Investors
10.84M
2.58%
+4.05M
+59.71%
Dec 31, 2025
View more
Related ETFs
Updated: Thu, Nov 6
Updated: Thu, Nov 6
Name
Proportion
Proshares Ultra Real Estate
3.69%
Real Estate Select Sector SPDR Fund
3.62%
Global X E-commerce ETF
3.53%
Invesco S&P 500 Equal Weight Real Estate ETF
3.45%
Macquarie Focused Large Growth ETF
3.28%
NEOS Real Estate High Income ETF
3.21%
Nuveen ESG Mid-Cap Growth ETF
2.78%
Polen Capital Global Growth ETF
2.77%
Motley Fool Mid-Cap Growth ETF
2.7%
Tremblant Global ETF
2.64%
View more
Proshares Ultra Real Estate
Proportion3.69%
Real Estate Select Sector SPDR Fund
Proportion3.62%
Global X E-commerce ETF
Proportion3.53%
Invesco S&P 500 Equal Weight Real Estate ETF
Proportion3.45%
Macquarie Focused Large Growth ETF
Proportion3.28%
NEOS Real Estate High Income ETF
Proportion3.21%
Nuveen ESG Mid-Cap Growth ETF
Proportion2.78%
Polen Capital Global Growth ETF
Proportion2.77%
Motley Fool Mid-Cap Growth ETF
Proportion2.7%
Tremblant Global ETF
Proportion2.64%