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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
Captrust Financial Advisors25,966$2.31M0.01%+2,133+8.9%Added
Cinctive Capital Management LP26,701$2.38M0.09%+679+2.6%Added
Dai-Ichi Life Insurance Company, Ltd26,811$2.39M0.05%00.0%Unchanged
Aurora Investment Managers, LLC.26,931$2.40M1.83%00.0%Unchanged
M&T Bank Corp27,025$2.41M0.01%+788+3.0%Added
Vestmark Advisory Solutions, Inc.27,040$2.41M0.09%−1,835−6.4%Reduced
George Kaiser Family Foundation27,182$2.42M0.41%−5,164−16.0%Reduced
Bank of Nova Scotia27,716$2.47M0.01%+4,792+20.9%Added
Nordea Investment Management AB27,157$2.49M0.00%00.0%Unchanged
Bell Bank28,331$2.52M0.27%−1,464−4.9%Reduced
Highland Capital Management, LLC29,069$2.59M0.17%−240−0.8%Reduced
Hartford Investment Management Co29,246$2.60M0.10%−5,562−16.0%Reduced
Moody National Bank Trust Division29,510$2.63M0.18%00.0%Unchanged
Banque Pictet & Cie SA30,000$2.67M0.02%00.0%Unchanged
TD Private Client Wealth LLC30,167$2.68M0.12%−2,769−8.4%Reduced
Teacher Retirement System of Texas30,758$2.74M0.02%−14,475−32.0%Reduced
Maryland State Retirement & Pension System30,867$2.75M0.06%−848−2.7%Reduced
Stansberry Asset Management, LLC31,013$2.76M0.51%+3,509+12.8%Added
Abn Amro Investment Solutions31,593$2.81M0.06%+7,793+32.7%Added
EFG Asset Management (Americas) Corp.31,706$2.82M0.65%+2,574+8.8%Added
Efg Capital International Corp.31,706$2.82M0.65%+31,706New
Oregon Public Employees Retirement Fund31,844$2.83M0.03%−48,028−60.1%Reduced
Barbara Oil Co.32,000$2.85M1.31%00.0%Unchanged
Aviva PLC32,798$2.92M0.01%−51,780−61.2%Reduced
Kentucky Retirement Systems32,847$2.92M0.10%+691+2.1%Added
Elo Mutual Pension Insurance Co33,474$2.98M0.09%+1,001+3.1%Added
Wealthfront Advisers LLC33,899$3.02M0.01%−8,171−19.4%Reduced
Securian Asset Management, Inc34,192$3.04M0.08%−261−0.8%Reduced
Linden Thomas Advisory Services, LLC34,651$3.08M0.68%+290+0.8%Added
united american securities inc. (d/b/a uas asset management)35,000$3.12M0.89%+35,000New
Mariner, LLC35,005$3.12M0.01%+4,524+14.8%Added
Balyasny Asset Management LLC35,121$3.13M0.01%+30,790+710.9%Added
Shelton Capital Management36,001$3.20M0.12%+1,320+3.8%Added
TD Waterhouse Canada Inc.27,788$3.22M0.03%+27,727+45,454.1%Added
B.O.S.S. Retirement Advisors, LLC36,311$3.23M0.69%+921+2.6%Added
Norinchukin Bank, The36,595$3.26M0.05%+12,342+50.9%Added
British Columbia Investment Management Corp36,681$3.26M0.03%+466+1.3%Added
Papp L Roy & Associates37,953$3.38M0.43%00.0%Unchanged
First Republic Investment Management, Inc.38,780$3.45M0.02%−8,021−17.1%Reduced
LGT Group Foundation39,100$3.48M0.08%+430+1.1%Added
HighTower Advisors, LLC39,166$3.48M0.01%+1,428+3.8%Added
Tsai Capital Corp39,216$3.49M3.17%+1,537+4.1%Added
Schroder Investment Management Group39,415$3.51M0.01%−968−2.4%Reduced
Yarbrough Capital, LLC39,886$3.55M0.20%+4,800+13.7%Added
HST Ventures, LLC39,966$3.56M1.74%−30,257−43.1%Reduced
Oppenheimer & Co Inc40,561$3.61M0.07%+718+1.8%Added
Gulf International Bank (UK) Ltd40,905$3.64M0.09%−12,465−23.4%Reduced
S.E.E.D. Planning Group LLC41,521$3.70M1.30%−340−0.8%Reduced
Pacer Advisors, Inc.43,044$3.83M0.02%−14,550−25.3%Reduced
Cipher Capital LP43,395$3.86M0.66%+43,395New
Formula Growth Ltd44,000$3.92M1.25%00.0%Unchanged
Park Avenue Securities LLC44,928$4.00M0.06%−729−1.6%Reduced
Janney Montgomery Scott LLC45,802$4.08M0.01%−1,065−2.3%Reduced
Qube Research & Technologies Ltd46,088$4.10M0.02%−187,766−80.3%Reduced
Nissay Asset Management Corp46,286$4.12M0.04%−380−0.8%Reduced
Atria Investments LLC46,569$4.14M0.07%+10,387+28.7%Added
Czech National Bank48,362$4.30M0.10%+451+0.9%Added
Allianz Asset Management GmbH48,467$4.31M0.01%−294,599−85.9%Reduced
Blue Zone Wealth Advisors, LLC49,057$4.37M2.01%+3,590+7.9%Added
Winton Group Ltd49,130$4.37M0.37%+25,398+107.0%Added
Pitcairn Co49,155$4.37M0.37%+16,231+49.3%Added
Canada Pension Plan Investment Board49,492$4.40M0.01%00.0%Unchanged
Next Century Growth Investors LLC49,921$4.44M0.43%00.0%Unchanged
Commerce Bank50,167$4.46M0.03%−10,822−17.7%Reduced
Teza Capital Management LLC50,405$4.49M0.73%+50,405New
Louisiana State Employees Retirement System50,800$4.52M0.10%+4,200+9.0%Added
Public Employees Retirement Association of Colorado51,420$4.58M0.02%00.0%Unchanged
Daiwa Securities Group Inc.52,537$4.68M0.03%−1,220−2.3%Reduced
Man Group plc53,254$4.74M0.01%+53,254New
Fiera Capital Corp54,127$4.82M0.01%−3,749−6.5%Reduced
Virtu Financial LLC54,338$4.84M0.37%+54,338New
EFG Asset Management (North America) Corp.55,243$4.92M1.06%+2,085+3.9%Added
Yousif Capital Management, LLC56,544$5.03M0.06%+642+1.1%Added
New York Life Investment Management LLC57,834$5.15M0.05%+304+0.5%Added
Worldquant Millennium Advisors LLC58,059$5.17M0.09%+58,059New
CWM Advisors, LLC58,281$5.19M0.63%+4,584+8.5%Added
Mutual of America Capital Management LLC58,758$5.23M0.06%+564+1.0%Added
Greenland Capital Management LP59,126$5.26M0.75%+59,126New
Andra AP-fonden59,600$5.30M0.13%−36,000−37.7%Reduced
Davenport & Co LLC61,155$5.44M0.04%−9,839−13.9%Reduced
Shaker Investments LLC62,962$5.60M2.86%−11,653−15.6%Reduced
Cambridge Investment Research Advisors, Inc.64,235$5.72M0.03%+27,609+75.4%Added
Cetera Investment Advisers65,689$5.85M0.05%+1,352+2.1%Added
Xponance, Inc.66,446$5.91M0.08%+11,573+21.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)66,594$5.93M0.03%+929+1.4%Added
Banco Santander, S.A.67,090$5.97M0.08%−7,649−10.2%Reduced
Ninety One North America, Inc.67,384$6.00M0.25%+1,497+2.3%Added
Picton Mahoney Asset Management68,134$6.06M0.30%+34,819+104.5%Added
Nisa Investment Advisors, LLC68,727$6.12M0.04%+10,055+17.1%Added
Utah Retirement Systems69,380$6.17M0.09%−2,300−3.2%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys71,251$6.34M0.05%+2,307+3.3%Added
USS Investment Management Ltd71,567$6.37M0.08%+2,557+3.7%Added
DnB Asset Management AS73,220$6.52M0.04%−1,138−1.5%Reduced
Robeco Institutional Asset Management B.V.73,296$6.52M0.02%+387+0.5%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund73,470$6.54M0.08%−11,700−13.7%Reduced
DekaBank Deutsche Girozentrale73,173$6.59M0.01%−12,454−14.5%Reduced
LPL Financial LLC74,158$6.60M0.00%+1,069+1.5%Added
Forsta Ap-Fonden77,100$6.86M0.07%−5,900−7.1%Reduced
Pragma Gestao de Patrimonio Ltd78,000$6.94M4.32%+13,000+20.0%Added
Assetmark, Inc78,216$6.96M0.03%+11,766+17.7%Added