CoStar Group, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 11/07/2025 | 70.06 M | $5.91 B | 1.76% | 16.70% |
| BLACKROCK, INC. | 11/12/2025 | 36.13 M | $3.05 B | 3.12% | 8.61% |
| BAMCO INC /NY/ | 11/14/2025 | 19.26 M | $1.62 B | -2.16% | 4.59% |
| PRINCIPAL FINANCIAL GROUP INC | 11/04/2025 | 18.62 M | $1.57 B | -0.12% | 4.44% |
| STATE STREET CORP | 11/14/2025 | 18.28 M | $1.54 B | 3.11% | 4.36% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 12.60 M | $1.06 B | 1.97% | 3.00% |
| AKRE CAPITAL MANAGEMENT LLC | 11/13/2025 | 9.31 M | $785.19 M | -0.03% | 2.22% |
| MORGAN STANLEY | 11/14/2025 | 8.54 M | $720.78 M | 15.27% | 2.04% |
| BAILLIE GIFFORD & CO | 10/31/2025 | 8.24 M | $695.35 M | -3.50% | 1.96% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 10/29/2025 | 7.41 M | $624.91 M | 12.47% | 1.77% |
| CAPITAL INTERNATIONAL INVESTORS | 11/13/2025 | 6.79 M | $572.75 M | -54.19% | 1.62% |
| POLEN CAPITAL MANAGEMENT LLC | 11/12/2025 | 6.38 M | $538.36 M | -7.84% | 1.52% |
| JANUS HENDERSON GROUP PLC | 11/14/2025 | 6.22 M | $524.51 M | 54.04% | 1.48% |
| MIZUHO MARKETS AMERICAS LLC | 10/29/2025 | 5.12 M | $432.25 M | -12.53% | 1.22% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 11/13/2025 | 4.99 M | $421.33 M | 27.02% | 1.19% |
| UBS GROUP AG | 11/13/2025 | 4.61 M | $388.77 M | -2.12% | 1.10% |
| INVESCO LTD. | 11/13/2025 | 4.54 M | $382.82 M | 2.23% | 1.08% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 4.36 M | $368.14 M | -9.93% | 1.04% |
| MACQUARIE GROUP LTD | 11/13/2025 | 4.27 M | $360.02 M | -11.74% | 1.02% |
| VULCAN VALUE PARTNERS, LLC | 11/10/2025 | 3.83 M | $323.20 M | 3.10% | 0.91% |
| NORTHERN TRUST CORP | 11/14/2025 | 3.75 M | $316.59 M | -2.94% | 0.89% |
| FRANKLIN RESOURCES INC | 11/13/2025 | 3.74 M | $315.29 M | 8.64% | 0.89% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 3.70 M | $311.90 M | -27.89% | 0.88% |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 11/14/2025 | 3.51 M | $296.18 M | -45.94% | 0.84% |
| NUVEEN, LLC | 11/12/2025 | 3.51 M | $295.85 M | 224.12% | 0.84% |
| TIGER GLOBAL MANAGEMENT LLC | 11/14/2025 | 3.25 M | $273.79 M | 0.00% | 0.77% |
| AMUNDI | 11/14/2025 | 3.14 M | $254.42 M | -1.98% | 0.75% |
| BLAIR WILLIAM & CO/IL | 11/12/2025 | 3.13 M | $263.95 M | 8.96% | 0.75% |
| THIRD POINT LLC | 11/14/2025 | 3.02 M | $254.54 M | -2.20% | 0.72% |
| LEGAL & GENERAL GROUP PLC | 11/13/2025 | 2.70 M | $227.78 M | 7.79% | 0.64% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 2.66 M | $224.14 M | -14.08% | 0.63% |
| BROWN ADVISORY INC | 11/14/2025 | 2.46 M | $207.95 M | -7.90% | 0.59% |
| UBS ASSET MANAGEMENT AMERICAS INC | 11/14/2025 | 2.46 M | $207.52 M | -17.51% | 0.59% |
| BNP PARIBAS ASSET MANAGEMENT HOLDING S.A. | 11/07/2025 | 2.44 M | $205.62 M | 7.60% | 0.58% |
| DIMENSIONAL FUND ADVISORS LP | 11/12/2025 | 2.24 M | $188.66 M | 3.10% | 0.53% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 2.20 M | $185.21 M | 0.55% | 0.52% |
| DF DENT & CO INC | 11/14/2025 | 2.18 M | $183.73 M | -4.08% | 0.52% |
| FAYEZ SAROFIM & CO | 11/14/2025 | 2.17 M | $183.49 M | 0.82% | 0.52% |
| RGM CAPITAL, LLC | 11/13/2025 | 2.09 M | $176.56 M | -1.41% | 0.50% |
| JPMORGAN CHASE & CO | 11/26/2025 | 1.92 M | $161.73 M | -16.33% | 0.46% |
| VIKING GLOBAL INVESTORS LP | 11/14/2025 | 1.85 M | $156.06 M | -42.53% | 0.44% |
| VOYA INVESTMENT MANAGEMENT LLC | 10/09/2025 | 1.85 M | $155.77 M | 49.89% | 0.44% |
| CIBC PRIVATE WEALTH GROUP, LLC | 11/24/2025 | 1.82 M | $153.82 M | -0.72% | 0.43% |
| CITADEL ADVISORS LLC | 11/14/2025 | 1.73 M | $145.67 M | 5,391.26% | 0.41% |
| BECK MACK & OLIVER LLC | 11/14/2025 | 1.72 M | $145.41 M | -0.19% | 0.41% |
| ENVESTNET ASSET MANAGEMENT INC | 11/05/2025 | 1.71 M | $144.20 M | -1.73% | 0.41% |
| RIVERBRIDGE PARTNERS LLC | 10/14/2025 | 1.66 M | $139.99 M | -5.41% | 0.40% |
| MACKENZIE FINANCIAL CORP | 11/13/2025 | 1.65 M | $138.87 M | -11.69% | 0.39% |
| FMR LLC | 11/13/2025 | 1.58 M | $133.32 M | 21.94% | 0.38% |
| FEDERATED HERMES, INC. | 11/03/2025 | 1.46 M | $123.46 M | -0.48% | 0.35% |
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CoStar Group, Inc. institutional Ownership - FAQ's
During the previous two years, 1210 institutional investors and hedge funds held shares of CoStar Group, Inc.. The most heavily invested institutionals were:
VANGUARD GROUP INC: 70.06 M
BlackRock, Inc.: 36.13 M
BAMCO INC /NY/: 19.26 M
PRINCIPAL FINANCIAL GROUP INC: 18.62 M
STATE STREET CORP: 18.28 M
GEODE CAPITAL MANAGEMENT, LLC: 12.6 M
98.47% of CoStar Group, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 474.57 M shares in the last 24 months. This purchase volume represents approximately $40.24 B in transactions.