Skip to main content

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, Q2 2023

Institutional positions in Costar Group, Inc. as of Jun 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
714
+22 vs. Q1 2023
Shares held
399.0M
+10.1M (+2.6%) vs. Q1 2023
Total value
$35.5B
+$8.71B (+32.6%) vs. Q1 2023
New holders
91
265 more added
Sold out
69
250 more reduced

Compare with Q1 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.

Institutional holdersQ2 2023: 714 institutions
Q1 2021: 593 institutionsQ2 2021: 607 institutionsQ3 2021: 594 institutionsQ4 2021: 633 institutionsQ1 2022: 589 institutionsQ2 2022: 591 institutionsQ3 2022: 634 institutionsQ4 2022: 704 institutionsQ1 2023: 692 institutionsQ2 2023: 714 institutionsQ3 2023: 690 institutionsQ4 2023: 737 institutionsQ1 2024: 767 institutionsQ2 2024: 767 institutionsQ3 2024: 773 institutionsQ4 2024: 805 institutionsQ1 2025: 858 institutionsQ2 2025: 873 institutionsQ3 2025: 905 institutionsQ4 2025: 847 institutionsQ1 2026: 797 institutionsQ2 2026: 760 institutions
Value heldQ2 2023: $35.5B
Q1 2021: $31.2BQ2 2021: $31.1BQ3 2021: $32.3BQ4 2021: $29.6BQ1 2022: $25.2BQ2 2022: $23.0BQ3 2022: $28.0BQ4 2022: $30.4BQ1 2023: $26.7BQ2 2023: $35.5BQ3 2023: $30.1BQ4 2023: $34.4BQ1 2024: $38.4BQ2 2024: $29.3BQ3 2024: $30.0BQ4 2024: $28.9BQ1 2025: $33.9BQ2 2025: $34.2BQ3 2025: $34.9BQ4 2025: $28.4BQ1 2026: $16.8BQ2 2026: $11.7B
Institutions holding CSGP and their total value by quarter
QuarterHoldersValue
Q2 2026760$11.7B
Q1 2026797$16.8B
Q4 2025847$28.4B
Q3 2025905$34.9B
Q2 2025873$34.2B
Q1 2025858$33.9B
Q4 2024805$28.9B
Q3 2024773$30.0B
Q2 2024767$29.3B
Q1 2024767$38.4B
Q4 2023737$34.4B
Q3 2023690$30.1B
Q2 2023714$35.5B
Q1 2023692$26.7B
Q4 2022704$30.4B
Q3 2022634$28.0B
Q2 2022591$23.0B
Q1 2022589$25.2B
Q4 2021633$29.6B
Q3 2021594$32.3B
Q2 2021607$31.1B
Q1 2021593$31.2B

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q1 2023.

Institutions holding CSGP in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Credit Suisse AG506,139$45.0M0.05%+20,522+4.2%Added
Jennison Associates LLC493,465$43.9M0.04%−92,951−15.9%Reduced
Geneva Capital Management LLC481,785$42.9M0.85%−26,602−5.2%Reduced
Citigroup Inc475,417$42.3M0.05%−61,753−11.5%Reduced
Ironvine Capital Partners, LLC472,449$42.0M5.11%−4,259−0.9%Reduced
State Board of Administration of Florida Retirement System464,923$41.4M0.09%−12,768−2.7%Reduced
Ycg, LLC459,498$40.9M3.65%−740.0%Reduced
HSBC Holdings PLC448,700$40.4M0.04%+88,969+24.7%Added
Adage Capital Partners GP, L.L.C.417,000$37.1M0.08%+9,800+2.4%Added
Bridgewater Associates, LP415,641$37.0M0.23%+36,047+9.5%Added
Sandhill Capital Partners LLC411,869$36.7M3.34%+481+0.1%Added
Fred Alger Management, LLC403,204$35.9M0.18%−65,823−14.0%Reduced
ProShare Advisors LLC397,338$35.4M0.10%−1,358−0.3%Reduced
Natixis Advisors, L.P.393,458$35.0M0.11%+36,822+10.3%Added
Prudential Financial Inc390,830$34.8M0.05%−15,714−3.9%Reduced
Assenagon Asset Management S.A.387,113$34.5M0.13%+375,812+3,325.5%Added
Royal London Asset Management Ltd379,513$33.8M0.11%+76,169+25.1%Added
Mirae Asset Global Investments Co., Ltd.374,462$33.3M0.07%−4,325−1.1%Reduced
New York State Teachers Retirement System365,872$32.6M0.07%−5,201−1.4%Reduced
Ashford Capital Management Inc361,836$32.2M4.50%+4,512+1.3%Added
Truist Financial Corp346,061$30.8M0.05%−18,709−5.1%Reduced
Select Equity Group, L.P.330,100$29.4M0.11%−235,228−41.6%Reduced
Korea Investment CORP320,819$28.6M0.08%−283,991−47.0%Reduced
D. E. Shaw & Co., Inc.315,101$28.0M0.04%−410,703−56.6%Reduced
NZS Capital, LLC305,593$27.2M1.36%+71,813+30.7%Added
Great West Life Assurance Co302,911$27.1M0.06%+40,013+15.2%Added
Parnassus Investments301,306$26.8M0.06%+44,191+17.2%Added
Kornitzer Capital Management Inc299,174$26.6M0.52%−1,800−0.6%Reduced
Manufacturers Life Insurance Company, The298,661$26.6M0.01%+5,578+1.9%Added
CI Private Wealth, LLC273,238$24.3M0.06%+3,771+1.4%Added
First Trust Advisors LP270,808$24.1M0.03%−57,640−17.5%Reduced
Asset Management One Co.,Ltd.265,336$23.6M0.10%−2,481−0.9%Reduced
Bank of Montreal261,858$23.5M0.01%−98,063−27.2%Reduced
Toronto Dominion Bank254,284$22.6M0.03%+17,202+7.3%Added
Citadel Advisors LLC250,843$22.3M0.02%+238,495+1,931.4%Added
Baskin Financial Services Inc.248,536$22.1M2.12%−1020.0%Reduced
State of New Jersey Common Pension Fund D240,261$21.4M0.07%00.0%Unchanged
Motley Fool Wealth Management, LLC238,711$21.2M1.25%−4,461−1.8%Reduced
State of Wisconsin Investment Board237,841$21.2M0.06%+22,155+10.3%Added
Chevy Chase Trust Holdings, Inc.235,024$20.9M0.08%−1,312−0.6%Reduced
Intrinsic Edge Capital Management LLC228,216$20.3M1.58%−54,155−19.2%Reduced
BNP Paribas Arbitrage, SA227,188$20.2M0.04%+70,195+44.7%Added
Public Employees Retirement System of Ohio217,909$19.4M0.08%−13,922−6.0%Reduced
Stifel Financial Corp217,250$19.3M0.03%−6,536−2.9%Reduced
Neuberger Berman Group LLC216,741$19.3M0.02%+778+0.4%Added
Voya Investment Management LLC215,324$19.2M0.02%+42,855+24.8%Added
Scout Investments, Inc.223,441$18.9M0.38%−19,430−8.0%Reduced
Teachers Retirement System of the State of Kentucky209,762$18.7M0.18%00.0%Unchanged
Susquehanna International Group, LLP207,039$18.4M0.03%−20,781−9.1%Reduced
Ninety One UK Ltd202,491$18.0M0.05%−2,052−1.0%Reduced
ExodusPoint Capital Management, LP201,817$18.0M0.21%+77,860+62.8%Added
AQR Capital Management LLC196,353$17.5M0.04%+31,960+19.4%Added
Erste Asset Management GmbH195,000$17.4M0.31%+20,000+11.4%Added
Oppenheimer Asset Management Inc.189,152$16.8M0.25%−6,076−3.1%Reduced
National Bank of Canada189,883$16.6M0.03%+158,838+511.6%Added
AE Wealth Management LLC185,759$16.5M0.10%+4,066+2.2%Added
Archon Partners LLC185,500$16.5M2.47%00.0%Unchanged
Stony Point Capital LLC184,207$16.4M5.32%+184,207New
Treasurer of the State of North Carolina182,084$16.2M0.08%+600.0%Added
Handelsbanken Fonder AB176,257$15.7M0.08%+8,646+5.2%Added
NS Partners Ltd175,785$15.6M0.82%−1,629−0.9%Reduced
Badgley Phelps Wealth Managers, LLC175,271$15.6M0.52%−1,250−0.7%Reduced
2Xideas AG169,578$15.1M1.44%+32,693+23.9%Added
Swedbank AB161,046$14.3M0.03%+80.0%Added
Cobblestone Capital Advisors LLC158,106$14.1M0.99%+966+0.6%Added
American International Group, Inc.152,897$13.6M0.08%+3,267+2.2%Added
SG Americas Securities, LLC145,122$12.9M0.11%+120,190+482.1%Added
Tower Research Capital LLC (TRC)143,858$12.8M0.43%+95,535+197.7%Added
Lakehouse Capital Pty Ltd138,189$12.3M10.58%00.0%Unchanged
Northwestern Mutual Wealth Management Co138,162$12.3M0.02%+3,579+2.7%Added
Gateway Investment Advisers LLC134,947$12.0M0.14%−340−0.3%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd134,116$11.9M0.18%+25,276+23.2%Added
Rafferty Asset Management, LLC128,370$11.4M0.06%+23,984+23.0%Added
Boston Private Wealth LLC123,544$11.0M0.20%−35,692−22.4%Reduced
Gillson Capital LP119,342$10.6M0.94%+119,342New
Storebrand Asset Management AS116,879$10.4M0.05%+17,608+17.7%Added
State of Alaska, Department of Revenue113,541$10.1M0.12%−64,185−36.1%Reduced
State of Michigan Retirement System112,300$9.99M0.06%+600+0.5%Added
Nomura Asset Management Co Ltd111,947$9.96M0.05%−4,028−3.5%Reduced
Advisor Group Holdings, Inc.111,315$9.91M0.02%+788+0.7%Added
Arizona State Retirement System111,012$9.88M0.08%−7,224−6.1%Reduced
MetLife Investment Management110,845$9.87M0.07%+3,666+3.4%Added
Shell Asset Management Co107,129$9.53M0.38%−40,209−27.3%Reduced
Amalgamated Bank106,955$9.52M0.08%+112+0.1%Added
State of Tennessee, Treasury Department102,895$9.16M0.04%+41,776+68.4%Added
Standard Life Aberdeen plc102,750$9.14M0.02%−1,190−1.1%Reduced
CIBC Asset Management Inc102,067$9.08M0.04%−558−0.5%Reduced
Telemark Asset Management, LLC100,000$8.90M1.21%+100,000New
Thematics Asset Management99,888$8.89M0.43%−3,024−2.9%Reduced
KBC Group NV97,170$8.65M0.04%−50,700−34.3%Reduced
Flossbach Von Storch AG96,578$8.60M0.03%−7,588−7.3%Reduced
Jefferies Financial Group Inc.96,541$8.59M0.18%+96,541New
Azimuth Capital Investment Management LLC95,987$8.54M0.41%−96,458−50.1%Reduced
Guggenheim Capital LLC95,900$8.54M0.07%+10,472+12.3%Added
Night Owl Capital Management, LLC94,589$8.42M2.18%−2,254−2.3%Reduced
Tredje AP-fonden93,711$8.34M0.12%−12,817−12.0%Reduced
Ground Swell Capital, LLC93,071$8.28M20.30%+93,071New
Retirement Systems of Alabama92,852$8.26M0.04%−27,353−22.8%Reduced
US Bancorp91,728$8.16M0.01%−805−0.9%Reduced
Foster Victor Wealth Advisors, LLC89,296$7.91M0.88%+4,605+5.4%Added