Costar Group, Inc.
CSGP- Exchange
- Nasdaq
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0001057352
In the last 90 days, Costar Group, Inc. insiders filed 1 open-market purchase and 2 sales; 760 institutions reported holding it in 13F filings for Q2 2026, worth $11.7B in total; superinvestors Akre Capital Management and Weitz Investment Management hold it.
13F holders, Q1 2025
Institutional positions in Costar Group, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 858
- +66 vs. Q4 2024
- Shares held
- 428.6M
- +26.5M (+6.6%) vs. Q4 2024
- Total value
- $33.9B
- +$5.15B (+17.9%) vs. Q4 2024
- New holders
- 141
- 378 more added
- Sold out
- 75
- 263 more reduced
13 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CSGP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 760 | $11.7B |
| Q1 2026 | 797 | $16.8B |
| Q4 2025 | 847 | $28.4B |
| Q3 2025 | 905 | $34.9B |
| Q2 2025 | 873 | $34.2B |
| Q1 2025 | 858 | $33.9B |
| Q4 2024 | 805 | $28.9B |
| Q3 2024 | 773 | $30.0B |
| Q2 2024 | 767 | $29.3B |
| Q1 2024 | 767 | $38.4B |
| Q4 2023 | 737 | $34.4B |
| Q3 2023 | 690 | $30.1B |
| Q2 2023 | 714 | $35.5B |
| Q1 2023 | 692 | $26.7B |
| Q4 2022 | 704 | $30.4B |
| Q3 2022 | 634 | $28.0B |
| Q2 2022 | 591 | $23.0B |
| Q1 2022 | 589 | $25.2B |
| Q4 2021 | 633 | $29.6B |
| Q3 2021 | 594 | $32.3B |
| Q2 2021 | 607 | $31.1B |
| Q1 2021 | 593 | $31.2B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 1,155,877 | $91.6M | 0.20% | +64,927+6.0% | Added |
| Candlestick Capital Management LP | 1,178,647 | $93.4M | 3.67% | +1,178,647 | New |
| Swiss National Bank | 1,188,165 | $94.1M | 0.07% | +30,465+2.6% | Added |
| Voya Investment Management LLC | 1,218,554 | $96.5M | 0.11% | −268,500−18.1% | Reduced |
| Deutsche Bank AG | 1,229,141 | $97.4M | 0.04% | −360,856−22.7% | Reduced |
| Wells Fargo & Company | 1,232,751 | $97.7M | 0.02% | +76,672+6.6% | Added |
| Kensico Capital Management Corp | 1,331,300 | $105.5M | 2.38% | +615,500+86.0% | Added |
| Royal Bank of Canada | 1,383,183 | $109.6M | 0.02% | −69,259−4.8% | Reduced |
| Harding Loevner LP | 1,440,099 | $114.1M | 0.87% | −248,581−14.7% | Reduced |
| Federated Hermes, Inc. | 1,465,334 | $116.1M | 0.25% | −285,558−16.3% | Reduced |
| FMR LLC | 1,638,647 | $129.8M | 0.01% | +476,633+41.0% | Added |
| BNP Paribas Arbitrage, SA | 1,660,883 | $131.6M | 0.10% | +761,431+84.7% | Added |
| CIBC Private Wealth Group, LLC | 1,827,003 | $133.8M | 0.28% | +1,497,912+455.2% | Added |
| Envestnet Asset Management Inc | 1,785,263 | $141.4M | 0.05% | −26,550−1.5% | Reduced |
| Beck Mack & Oliver LLC | 1,810,537 | $143.4M | 2.87% | +105,194+6.2% | Added |
| Riverbridge Partners LLC | 1,866,345 | $147.9M | 2.37% | −77,538−4.0% | Reduced |
| Third Point LLCSuperinvestorThird Point | 1,975,000 | $156.5M | 2.46% | +1,975,000 | New |
| Franklin Resources Inc | 2,020,172 | $160.1M | 0.05% | −216,945−9.7% | Reduced |
| Fayez Sarofim & Co | 2,145,367 | $170.0M | 0.42% | +102,277+5.0% | Added |
| Dimensional Fund Advisors LP | 2,146,596 | $170.1M | 0.04% | +149,035+7.5% | Added |
| RGM Capital, LLC | 2,227,503 | $176.5M | 7.31% | +21,564+1.0% | Added |
| DF Dent & Co Inc | 2,367,144 | $187.5M | 2.50% | −89,418−3.6% | Reduced |
| Legal & General Group Plc | 2,383,875 | $188.9M | 0.05% | +75,522+3.3% | Added |
| Mackenzie Financial Corp | 2,463,354 | $195.2M | 0.28% | −472,205−16.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,480,539 | $196.5M | 0.53% | +56,748+2.3% | Added |
| JPMorgan Chase & Co | 2,485,862 | $197.0M | 0.02% | +1,332,813+115.6% | Added |
| Ameriprise Financial Inc | 2,523,681 | $199.9M | 0.05% | −225,435−8.2% | Reduced |
| UBS Asset Management Americas Inc | 2,551,086 | $202.1M | 0.05% | −96,763−3.7% | Reduced |
| Goldman Sachs Group Inc | 2,700,396 | $214.0M | 0.04% | −729,594−21.3% | Reduced |
| Blair William & Co | 2,903,518 | $230.0M | 0.69% | −490,433−14.5% | Reduced |
| Brown Advisory Inc | 3,022,692 | $239.5M | 0.34% | −357,374−10.6% | Reduced |
| Charles Schwab Investment Management Inc | 3,031,331 | $240.2M | 0.05% | +213,082+7.6% | Added |
| Tiger Global Management LLCSuperinvestorTiger Global Management | 3,245,109 | $257.1M | 0.97% | 00.0% | Unchanged |
| Amundi | 3,396,393 | $259.3M | 0.09% | +585,853+20.8% | Added |
| Capital Research Global Investors | 3,420,692 | $271.0M | 0.06% | +14,874+0.4% | Added |
| TOMS Capital Investment Management LP | 3,508,000 | $277.9M | 20.58% | +3,508,000 | New |
| Northern Trust Corp | 4,027,534 | $319.1M | 0.05% | +34,210+0.9% | Added |
| Invesco Ltd. | 4,305,556 | $341.1M | 0.06% | +70,561+1.7% | Added |
| UBS Group AG | 4,739,479 | $375.5M | 0.08% | +3,234,275+214.9% | Added |
| Vulcan Value Partners, LLC | 4,833,477 | $382.9M | 7.19% | −265,961−5.2% | Reduced |
| Norges Bank | 5,269,486 | $417.5M | 0.06% | −188,745−3.5% | Reduced |
| Bank of New York Mellon Corp | 5,533,767 | $438.4M | 0.09% | −11,302−0.2% | Reduced |
| Bank of America Corp | 6,139,226 | $486.4M | 0.04% | +2,566,144+71.8% | Added |
| Macquarie Group Ltd | 6,176,880 | $489.4M | 0.61% | −1,150,187−15.7% | Reduced |
| T. Rowe Price Investment Management, Inc. | 6,418,209 | $508.5M | 0.34% | +2,3140.0% | Added |
| Polen Capital Management LLC | 6,601,800 | $523.1M | 1.64% | +104,612+1.6% | Added |
| Massachusetts Financial Services Co | 6,619,472 | $524.5M | 0.17% | −474,271−6.7% | Reduced |
| Mizuho Markets Americas LLC | 7,401,273 | $586.4M | 12.73% | +7,401,273 | New |
| Morgan Stanley | 7,910,143 | $626.7M | 0.04% | +3,569,880+82.3% | Added |
| Baillie Gifford & Co | 8,436,199 | $668.4M | 0.58% | +524,601+6.6% | Added |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 9,313,592 | $737.9M | 7.09% | −2880.0% | Reduced |
| Geode Capital Management, LLC | 12,067,436 | $953.4M | 0.07% | +591,681+5.2% | Added |
| Capital International Investors | 14,669,837 | $1.16B | 0.23% | +637,474+4.5% | Added |
| State Street Corp | 17,574,429 | $1.39B | 0.06% | +542,553+3.2% | Added |
| Principal Financial Group Inc | 19,007,873 | $1.51B | 0.85% | −178,402−0.9% | Reduced |
| Bamco Inc | 19,032,522 | $1.51B | 4.43% | −171,042−0.9% | Reduced |
| BlackRock, Inc. | 37,457,618 | $2.97B | 0.06% | −658,076−1.7% | Reduced |
| Vanguard Group Inc | 68,426,711 | $5.42B | 0.10% | +2,709,320+4.1% | Added |
| Proequities, Inc. | 0 | $0 | 0.00% | −4,654−100.0% | Sold out |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −1,162,703−100.0% | Sold out |
| Vantage Investment Partners, LLC | 0 | $0 | 0.00% | −614,014−100.0% | Sold out |
| Wolf Hill Capital Management, LP | 0 | $0 | 0.00% | −538,469−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −417,487−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −277,930−100.0% | Sold out |
| Select Equity Group, L.P. | 0 | $0 | 0.00% | −207,951−100.0% | Sold out |
| Sandhill Capital Partners LLC | 0 | $0 | 0.00% | −190,371−100.0% | Sold out |
| Spence Asset Management | 0 | $0 | 0.00% | −170,564−100.0% | Sold out |
| Archon Partners LLC | 0 | $0 | 0.00% | −152,000−100.0% | Sold out |
| RedJay Asset Management Inc. | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Artemis Investment Management LLP | 0 | $0 | 0.00% | −107,623−100.0% | Sold out |
| Katamaran Capital LLP | 0 | $0 | 0.00% | −61,235−100.0% | Sold out |
| Insight Wealth Strategies, LLC | 0 | $0 | 0.00% | −51,815−100.0% | Sold out |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −40,007−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −38,765−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −38,086−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −33,549−100.0% | Sold out |
| BNP Paribas | 0 | $0 | 0.00% | −32,223−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −29,073−100.0% | Sold out |
| Kodai Capital Management LP | 0 | $0 | 0.00% | −27,307−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −26,720−100.0% | Sold out |
| Caisse de Depot Et Placement du Quebec | 0 | $0 | 0.00% | −22,744−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −20,878−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −20,171−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −19,179−100.0% | Sold out |
| KP Management LLC | 0 | $0 | 0.00% | −16,500−100.0% | Sold out |
| First Hawaiian Bank | 0 | $0 | 0.00% | −13,861−100.0% | Sold out |
| Next Century Growth Investors LLC | 0 | $0 | 0.00% | −13,506−100.0% | Sold out |
| TFJ Management, LLC | 0 | $0 | 0.00% | −13,488−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −12,606−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −12,421−100.0% | Sold out |
| Parnassus Investments | 0 | $0 | 0.00% | −12,009−100.0% | Sold out |
| LRT Capital Management, LLC | 0 | $0 | 0.00% | −11,484−100.0% | Sold out |
| Sone Capital Management, LLC | 0 | $0 | 0.00% | −11,022−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −10,762−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −10,600−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −9,999−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −9,272−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −9,159−100.0% | Sold out |
| Kirtland Hills Capital Management, LLC | 0 | $0 | 0.00% | −6,307−100.0% | Sold out |