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, Q3 2023
Institutional positions in Costar Group, Inc. as of Sep 30, 2023. 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
- 690
- −19 vs. Q2 2023
- Shares held
- 392.0M
- −6.08M (−1.5%) vs. Q2 2023
- Total value
- $30.1B
- −$5.25B (−14.8%) vs. Q2 2023
- New holders
- 65
- 276 more added
- Sold out
- 84
- 251 more reduced
5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raymond James & Associates | 601,761 | $46.3M | 0.04% | −4,989−0.8% | Reduced |
| Jennison Associates LLC | 615,525 | $47.3M | 0.04% | +122,060+24.7% | Added |
| Adage Capital Partners GP, L.L.C. | 631,000 | $48.5M | 0.11% | +214,000+51.3% | Added |
| California State Teachers Retirement System | 636,153 | $48.9M | 0.08% | −23,451−3.6% | Reduced |
| Peregrine Capital Management LLC | 654,418 | $50.3M | 1.50% | −356−0.1% | Reduced |
| Westfield Capital Management Co LP | 667,521 | $51.3M | 0.35% | −195,950−22.7% | Reduced |
| TD Asset Management Inc | 688,764 | $53.0M | 0.06% | +6,061+0.9% | Added |
| Royal Bank of Canada | 726,010 | $55.8M | 0.02% | −70,697−8.9% | Reduced |
| Marshall Wace, LLP | 727,227 | $55.9M | 0.12% | −390,687−34.9% | Reduced |
| Deutsche Bank AG | 739,725 | $56.9M | 0.04% | +200,183+37.1% | Added |
| UBS Group AG | 754,147 | $58.0M | 0.03% | −34,472−4.4% | Reduced |
| STRS Ohio | 755,500 | $58.1M | 0.26% | +26,500+3.6% | Added |
| California Public Employees Retirement System | 756,375 | $58.2M | 0.05% | +7,456+1.0% | Added |
| Millennium Management LLC | 758,489 | $58.3M | 0.06% | +251,777+49.7% | Added |
| Granahan Investment Management Inc | 765,134 | $58.8M | 2.10% | −26,334−3.3% | Reduced |
| Rhumbline Advisers | 782,629 | $60.2M | 0.07% | −3,626−0.5% | Reduced |
| Beck Mack & Oliver LLC | 782,905 | $60.2M | 1.58% | −1,706−0.2% | Reduced |
| Wells Fargo & Company | 784,206 | $60.3M | 0.02% | −68,651−8.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 820,648 | $63.1M | 0.16% | −9,597−1.2% | Reduced |
| American Capital Management Inc | 833,322 | $64.1M | 2.47% | −1990.0% | Reduced |
| Rathbone Brothers plc | 838,274 | $64.5M | 0.47% | +600.0% | Added |
| TimesSquare Capital Management, LLC | 861,836 | $66.3M | 1.03% | −48,965−5.4% | Reduced |
| Ci Investments Inc. | 862,635 | $66.3M | 0.37% | +4,645+0.5% | Added |
| Baird Financial Group, Inc. | 863,462 | $66.4M | 0.18% | −275,745−24.2% | Reduced |
| National Pension Service | 910,057 | $69.4M | 0.11% | +16,577+1.9% | Added |
| Chicago Capital, LLC | 917,883 | $70.6M | 3.30% | −2,422−0.3% | Reduced |
| Pictet Asset Management Holding SA | 924,780 | $71.1M | 0.09% | +924,780 | New |
| Barclays PLC | 927,257 | $71.3M | 0.05% | +92,874+11.1% | Added |
| JPMorgan Chase & Co | 932,553 | $71.7M | 0.01% | +243,694+35.4% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 947,000 | $72.8M | 4.00% | −121,000−11.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 950,810 | $73.1M | 0.13% | −6,501−0.7% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,018,973 | $78.3M | 0.06% | −2,342−0.2% | Reduced |
| Putnam Investments LLC | 1,020,273 | $78.4M | 0.12% | −172,422−14.5% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,029,927 | $79.2M | 0.23% | −25,042−2.4% | Reduced |
| Victory Capital Management Inc | 1,050,864 | $80.8M | 0.09% | −45,106−4.1% | Reduced |
| Eagle Asset Management Inc | 1,067,021 | $82.0M | 0.49% | +1760.0% | Added |
| SEI Investments Co | 1,173,549 | $90.2M | 0.16% | +25,879+2.3% | Added |
| Nuveen Asset Management, LLC | 1,215,583 | $93.5M | 0.03% | +70,106+6.1% | Added |
| CIBC Private Wealth Group, LLC | 1,232,258 | $94.7M | 0.22% | −61,466−4.8% | Reduced |
| Dimensional Fund Advisors LP | 1,257,088 | $96.7M | 0.03% | +36,309+3.0% | Added |
| Swiss National Bank | 1,314,100 | $101.0M | 0.08% | −155,100−10.6% | Reduced |
| Franklin Resources Inc | 1,371,402 | $105.4M | 0.05% | −1,270,274−48.1% | Reduced |
| UBS Asset Management Americas Inc | 1,392,205 | $107.0M | 0.05% | +154,431+12.5% | Added |
| FMR LLC | 1,405,414 | $108.1M | 0.01% | +638,241+83.2% | Added |
| RGM Capital, LLC | 1,552,632 | $119.4M | 5.45% | +151,876+10.8% | Added |
| Price T Rowe Associates Inc | 1,588,978 | $122.2M | 0.02% | −1,254,986−44.1% | Reduced |
| William Blair Investment Management, LLC | 1,611,730 | $123.9M | 0.41% | −544,795−25.3% | Reduced |
| Capital Research Global Investors | 1,617,927 | $124.4M | 0.03% | +273,474+20.3% | Added |
| Vulcan Value Partners, LLC | 1,723,070 | $132.4M | 2.02% | −939,638−35.3% | Reduced |
| Harding Loevner LP | 1,759,746 | $135.3M | 0.89% | −250,813−12.5% | Reduced |
| Ensign Peak Advisors, Inc | 1,773,914 | $136.4M | 0.29% | +44,827+2.6% | Added |
| Envestnet Asset Management Inc | 1,775,814 | $136.5M | 0.06% | +352,169+24.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,815,516 | $139.6M | 0.43% | +262,098+16.9% | Added |
| DF Dent & Co Inc | 2,037,554 | $156.7M | 2.29% | −100,845−4.7% | Reduced |
| Bares Capital Management, Inc. | 2,065,105 | $158.8M | 6.78% | −27,522−1.3% | Reduced |
| Mackenzie Financial Corp | 2,144,071 | $161.1M | 0.27% | −199,473−8.5% | Reduced |
| Legal & General Group Plc | 2,220,720 | $170.8M | 0.06% | −109,787−4.7% | Reduced |
| Federated Hermes, Inc. | 2,242,838 | $172.5M | 0.46% | +20,446+0.9% | Added |
| Echo Street Capital Management LLC | 2,284,662 | $175.7M | 1.64% | +105,950+4.9% | Added |
| Goldman Sachs Group Inc | 2,371,677 | $182.4M | 0.05% | +655,299+38.2% | Added |
| Morgan Stanley | 2,380,227 | $183.0M | 0.02% | +442,973+22.9% | Added |
| Charles Schwab Investment Management Inc | 2,386,360 | $183.5M | 0.05% | +19,718+0.8% | Added |
| Riverbridge Partners LLC | 2,512,806 | $193.2M | 2.64% | −54,549−2.1% | Reduced |
| American Century Companies Inc | 2,628,360 | $202.1M | 0.16% | −307,020−10.5% | Reduced |
| Farallon Capital Management, L.L.C. | 2,786,856 | $214.3M | 1.21% | +35,800+1.3% | Added |
| Ownership Capital B.V. | 2,955,704 | $227.3M | 5.69% | −952,263−24.4% | Reduced |
| Capital International Investors | 3,053,772 | $234.8M | 0.06% | −1,5190.0% | Reduced |
| Ameriprise Financial Inc | 3,088,593 | $237.5M | 0.08% | −208,811−6.3% | Reduced |
| Wellington Management Group LLP | 3,580,549 | $275.3M | 0.06% | +662,592+22.7% | Added |
| Invesco Ltd. | 3,681,970 | $283.1M | 0.08% | +273,439+8.0% | Added |
| Brown Advisory Inc | 3,763,862 | $289.4M | 0.48% | −520,383−12.1% | Reduced |
| Northern Trust Corp | 3,835,126 | $294.9M | 0.06% | +92,169+2.5% | Added |
| Bank of America Corp | 3,948,031 | $303.6M | 0.04% | +289,029+7.9% | Added |
| Blair William & Co | 4,191,009 | $322.2M | 1.24% | +251,182+6.4% | Added |
| Norges Bank | 4,525,799 | $348.0M | 0.07% | +227,757+5.3% | Added |
| Bank of New York Mellon Corp | 5,528,098 | $425.1M | 0.09% | +218,094+4.1% | Added |
| Artisan Partners Limited Partnership | 5,569,718 | $428.3M | 0.73% | +319,960+6.1% | Added |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 7,249,226 | $557.4M | 5.12% | +137,796+1.9% | Added |
| T. Rowe Price Investment Management, Inc. | 7,669,270 | $589.7M | 0.42% | −141,366−1.8% | Reduced |
| Sands Capital Management, LLC | 7,930,840 | $609.8M | 2.08% | −394,856−4.7% | Reduced |
| Macquarie Group Ltd | 8,907,103 | $684.9M | 0.86% | +35,793+0.4% | Added |
| Janus Henderson Group PLC | 8,983,807 | $690.8M | 0.45% | −2,087,735−18.9% | Reduced |
| Geode Capital Management, LLC | 10,271,503 | $788.3M | 0.09% | −627,559−5.8% | Reduced |
| Baillie Gifford & Co | 11,638,598 | $894.9M | 0.82% | −295,446−2.5% | Reduced |
| Massachusetts Financial Services Co | 11,967,040 | $920.1M | 0.32% | +596,595+5.2% | Added |
| State Street Corp | 14,944,507 | $1.15B | 0.06% | −367,051−2.4% | Reduced |
| Bamco Inc | 19,196,502 | $1.48B | 4.29% | +91,399+0.5% | Added |
| Principal Financial Group Inc | 19,808,306 | $1.52B | 1.09% | +761,383+4.0% | Added |
| BlackRock Inc. | 33,175,491 | $2.55B | 0.07% | +1,051,260+3.3% | Added |
| Vanguard Group Inc | 64,909,009 | $4.99B | 0.12% | −63,266−0.1% | Reduced |
| Findlay Park Partners LLP | 0 | $0 | 0.00% | −1,263,178−100.0% | Sold out |
| Gillson Capital LP | 0 | $0 | 0.00% | −119,342−100.0% | Sold out |
| Flossbach Von Storch AG | 0 | $0 | 0.00% | −96,578−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −93,071−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −59,126−100.0% | Sold out |
| EFG Asset Management (North America) Corp. | 0 | $0 | 0.00% | −55,243−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −54,338−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −50,405−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −45,802−100.0% | Sold out |
| Cipher Capital LP | 0 | $0 | 0.00% | −43,395−100.0% | Sold out |