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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, Q4 2021

Institutional positions in Costar Group, Inc. as of Dec 31, 2021. 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
633
+48 vs. Q3 2021
Shares held
375.1M
−165.5K (0.0%) vs. Q3 2021
Total value
$29.6B
−$2.64B (−8.2%) vs. Q3 2021
New holders
113
229 more added
Sold out
65
214 more reduced

9 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 633 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 heldQ4 2021: $29.6B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q3 2021.

Institutions holding CSGP in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
TCI Wealth Advisors, Inc.2$00.00%−180−98.9%Reduced
Allworth Financial LP4$00.00%−149−97.4%Reduced
Capital Advisors, Ltd. LLC5$00.00%+5New
Versant Capital Management, Inc6$00.00%+6New
Western Pacific Wealth Management, LP6$00.00%+6New
Hantz Financial Services, Inc.16$1.00K0.00%−6,675−99.8%Reduced
HighMark Wealth Management LLC17$1.00K0.00%−5−22.7%Reduced
HC Financial Advisors Inc10$1.00K0.00%00.0%Unchanged
Private Ocean, LLC10$1.00K0.00%00.0%Unchanged
Patriot Financial Group Insurance Agency, LLC9$1.00K0.00%−1−10.0%Reduced
Global Trust Asset Management, LLC10$1.00K0.00%00.0%Unchanged
Key Financial Inc10$1.00K0.00%00.0%Unchanged
Schubert & Co17$1.00K0.00%+17New
Sutton Wealth Advisors Inc.19$1.50K0.00%+19New
Exane Derivatives20$1.58K0.00%00.0%Unchanged
Dark Forest Capital Management LP29$2.00K0.00%−442−93.8%Reduced
JNBA Financial Advisors30$2.00K0.00%−240−88.9%Reduced
Stonebridge Capital Advisors LLC30$2.00K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC30$2.00K0.00%00.0%Unchanged
Salem Investment Counselors Inc20$2.00K0.00%00.0%Unchanged
AdvisorNet Financial, Inc25$2.00K0.00%+25New
Benjamin Edwards Inc21$2.00K0.00%+21New
Core Alternative Capital20$2.00K0.00%+20New
Sierra Capital LLC31$2.00K0.00%+31New
Psagot Value Holdings Ltd. / (Israel)22$2.00K0.00%+22New
Baystate Wealth Management LLC40$3.00K0.00%00.0%Unchanged
Jones Financial Companies LLLP40$3.00K0.00%+40New
Raffa Wealth Management, LLC40$3.16K0.00%00.0%Unchanged
Selective Wealth Management, Inc.50$4.00K0.00%00.0%Unchanged
Wolff Wiese Magana LLC50$4.00K0.00%00.0%Unchanged
Lazard Asset Management LLC51$4.00K0.00%+51New
Steward Partners Investment Advisory, LLC60$5.00K0.00%−30−33.3%Reduced
Bellevue Asset Management, LLC60$5.00K0.00%+4+7.1%Added
Bell Investment Advisors, Inc75$6.00K0.00%−29−27.9%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP80$6.00K0.00%00.0%Unchanged
Washington Trust Co72$6.00K0.00%00.0%Unchanged
Hanson & Doremus Investment Management70$6.00K0.00%00.0%Unchanged
Mizuho Securities Co. Ltd.70$6.00K0.00%00.0%Unchanged
Rockbridge Investment Management, LCC70$6.00K0.00%00.0%Unchanged
Asset Dedication, LLC90$7.00K0.00%00.0%Unchanged
Simon Quick Advisors, LLC90$7.00K0.00%−10−10.0%Reduced
Heritage Wealth Advisors91$7.00K0.00%+11+13.8%Added
West Branch Capital LLC100$8.00K0.00%00.0%Unchanged
Orion Capital Management LLC100$8.00K0.00%00.0%Unchanged
South State Corp.98$8.00K0.00%+98New
Delos Wealth Advisors, LLC99$8.00K0.01%+99New
BerganKDV Wealth Management, LLC120$9.00K0.00%+57+90.5%Added
Quent Capital, LLC120$9.00K0.00%+120New
McDonald Partners LLC124$9.80K0.01%+124New
Absolute Capital Management, LLC124$9.80K0.01%+124New
FourThought Financial, LLC130$10.0K0.00%−150−53.6%Reduced
Global Retirement Partners, LLC122$10.0K0.01%+105+617.6%Added
Covestor Ltd126$10.0K0.01%+126New
Concord Wealth Partners150$12.0K0.00%+100+200.0%Added
CoreCap Advisors, LLC170$13.0K0.00%+170New
Smithfield Trust Co170$14.0K0.00%00.0%Unchanged
Earnest Partners LLC220$17.0K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc230$18.0K0.00%−240−51.1%Reduced
Alpha Paradigm Partners, LLC233$18.0K0.01%00.0%Unchanged
Glassman Wealth Services245$19.0K0.00%+202+469.8%Added
Bessemer Group Inc260$21.0K0.00%−761−74.5%Reduced
Migdal Insurance & Financial Holdings Ltd.261$21.0K0.00%+24+10.1%Added
Stephenson National Bank & Trust275$22.0K0.01%+15+5.8%Added
Healthcare of Ontario Pension Plan Trust Fund310$24.0K0.00%00.0%Unchanged
Reilly Financial Advisors, LLC300$24.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC330$26.0K0.00%+140+73.7%Added
McIlrath & Eck, LLC380$30.0K0.01%00.0%Unchanged
Harbour Investments, Inc.392$31.0K0.00%−74−15.9%Reduced
Ten Capital Wealth Advisors, LLC462$37.0K0.02%+462New
Wolverine Asset Management LLC500$39.0K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC500$40.0K0.01%−327−39.5%Reduced
Amplius Wealth Advisors, LLC530$41.0K0.01%+530New
Jackson, Grant Investment Advisers, Inc.530$42.0K0.02%00.0%Unchanged
Confluence Wealth Services, Inc.679$53.0K0.02%+679New
Lenox Wealth Advisors, LLC700$55.0K0.01%00.0%Unchanged
Evoke Wealth, LLC710$56.0K0.00%00.0%Unchanged
Fortitude Advisory Group L.L.C.720$57.0K0.03%+720New
Huntington National Bank828$65.0K0.00%+3+0.4%Added
AIA Group Ltd880$70.0K0.00%+880New
Carolinas Wealth Consulting LLC958$76.0K0.02%+113+13.4%Added
Sugarloaf Wealth Management, LLC972$77.0K0.02%+461+90.2%Added
Koshinski Asset Management, Inc.986$77.9K0.01%−86−8.0%Reduced
IFP Advisors, Inc987$79.0K0.00%−19−1.9%Reduced
Aquatic Capital Management LLC1,000$79.0K0.15%+1,000New
Ancora Advisors, LLC1,040$82.0K0.00%00.0%Unchanged
Cullen/Frost Bankers, Inc.1,050$83.0K0.00%−510−32.7%Reduced
CWM, LLC1,069$84.0K0.00%+1,069New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main1,073$86.0K0.00%+1,073New
Barrett Asset Management, LLC1,140$90.0K0.00%00.0%Unchanged
Carroll Financial Associates, Inc.1,137$90.0K0.00%+30+2.7%Added
Quadrant Capital Group LLC1,148$91.0K0.01%−138−10.7%Reduced
Tobam1,340$106.0K0.00%00.0%Unchanged
ETF Managers Group, LLC1,350$108.0K0.00%+1,350New
Kelly Financial Services LLC1,413$111.7K0.05%+627+79.8%Added
Signaturefd, LLC1,428$113.0K0.00%−556−28.0%Reduced
Loomis Sayles & Co L P1,500$119.0K0.00%00.0%Unchanged
Walleye Trading LLC1,512$119.0K0.00%+1,512New
Delta Asset Management LLC1,760$139.0K0.01%00.0%Unchanged
Newfound Research LLC1,762$139.0K0.17%+445+33.8%Added
Neo Ivy Capital Management1,790$141.0K0.20%+1,790New