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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, Q3 2024

Institutional positions in Costar Group, Inc. as of Sep 30, 2024. 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
773
+13 vs. Q2 2024
Shares held
397.6M
+41.1M (+11.5%) vs. Q2 2024
Total value
$30.0B
+$3.57B (+13.5%) vs. Q2 2024
New holders
91
309 more added
Sold out
78
283 more reduced

7 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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.

Institutional holdersQ3 2024: 773 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 heldQ3 2024: $30.0B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q2 2024.

Institutions holding CSGP in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Hexagon Capital Partners LLC100$7.54K0.00%−43−30.1%Reduced
First United Bank Trust100$7.54K0.00%00.0%Unchanged
Carolina Wealth Advisors, LLC98$7.39K0.00%+98New
Annis Gardner Whiting Capital Advisors, LLC97$7.32K0.00%−279−74.2%Reduced
Raleigh Capital Management Inc.95$7.17K0.00%+10+11.8%Added
Smithfield Trust Co90$7.00K0.00%00.0%Unchanged
Versant Capital Management, Inc87$6.56K0.00%+10+13.0%Added
Trust Co of Vermont80$6.04K0.00%+80New
Loring Wolcott & Coolidge Fiduciary Advisors LLP80$5.91K0.00%00.0%Unchanged
Heritage Wealth Advisors76$5.73K0.00%00.0%Unchanged
Larson Financial Group LLC71$5.36K0.00%+61+610.0%Added
Johnson Financial Group, Inc.69$5.21K0.00%−940−93.2%Reduced
Farmers & Merchants Trust Co of Chambersburg PA64$5.00K0.00%00.0%Unchanged
ORG Partners LLC66$4.96K0.00%−2−2.9%Reduced
Washington Trust Advisors, Inc.66$4.96K0.00%+6+10.0%Added
DT Investment Partners, LLC62$4.68K0.00%+62New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC60$4.53K0.00%+9+17.6%Added
Northwest Investment Counselors, LLC60$4.53K0.00%+60New
Private Trust Co NA59$4.45K0.00%−27−31.4%Reduced
Bellevue Asset Management, LLC58$4.38K0.00%−2−3.3%Reduced
Financial Management Professionals, Inc.47$4.00K0.00%+26+123.8%Added
Fortitude Family Office, LLC53$4.00K0.00%+53New
Central Trust Co51$3.85K0.00%00.0%Unchanged
Red Tortoise LLC50$3.77K0.00%00.0%Unchanged
Valued Wealth Advisors LLC50$3.77K0.00%00.0%Unchanged
Rakuten Securities, Inc.50$3.77K0.00%+38+316.7%Added
WR Wealth Planners, LLC48$3.62K0.00%+22+84.6%Added
Itau Unibanco Holding S.A.48$3.62K0.00%+48New
Fairman Group, LLC47$3.55K0.00%00.0%Unchanged
Baldwin Brothers Inc44$3.32K0.00%+44New
Sachetta, LLC41$3.09K0.00%+25+156.3%Added
Raffa Wealth Management, LLC40$3.02K0.00%−929−95.9%Reduced
Arlington Trust Co LLC40$3.02K0.00%+40New
Avion Wealth40$3.00K0.00%−10−20.0%Reduced
Salem Investment Counselors Inc38$2.87K0.00%00.0%Unchanged
Zions Bancorporation, N.A.33$2.49K0.00%−71−68.3%Reduced
Sandy Spring Bank32$2.42K0.00%00.0%Unchanged
Washington Trust Co30$2.26K0.00%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.30$2.26K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.29$2.19K0.00%+1+3.6%Added
Liberty One Investment Management, LLC28$2.11K0.00%−163−85.3%Reduced
Cape Investment Advisory, Inc.27$2.04K0.00%+27New
SJS Investment Consulting Inc.26$1.96K0.00%+1+4.0%Added
Coppell Advisory Solutions LLC26$1.95K0.00%00.0%Unchanged
Mendota Financial Group, LLC22$1.66K0.00%+22New
Bruce G. Allen Investments, LLC21$1.58K0.00%+11+110.0%Added
Carolinas Wealth Consulting LLC20$1.51K0.00%+15+300.0%Added
Core Alternative Capital16$1.21K0.00%00.0%Unchanged
Lazard Asset Management LLC22$1.00K0.00%00.0%Unchanged
CKW Financial Group20$1.00K0.00%00.0%Unchanged
True Wealth Design, LLC12$9060.00%00.0%Unchanged
Highline Wealth Partners LLC12$9050.00%00.0%Unchanged
TFC Financial Management10$7550.00%−2−16.7%Reduced
Mowery & Schoenfeld Wealth Management, LLC10$7550.00%00.0%Unchanged
Global Trust Asset Management, LLC10$7540.00%00.0%Unchanged
Key Financial Inc10$7540.00%00.0%Unchanged
PayPay Securities Corp9$6790.06%−33−78.6%Reduced
Pacific Capital Wealth Advisors, Inc9$6790.00%+9New
Riggs Asset Managment Co. Inc.8$6040.00%+3+60.0%Added
Claris Advisors, LLC8$6040.00%+8New
JDM Financial Group LLC8$6040.00%+8New
Strengthening Families & Communities, LLC7$5280.00%00.0%Unchanged
Capital Performance Advisors LLP7$5280.00%+7New
Voisard Asset Management Group, Inc.6$4530.00%+6New
Wolff Wiese Magana LLC5$3780.00%00.0%Unchanged
Aspect Partners, LLC5$3770.00%+3+150.0%Added
Chesapeake Asset Management LLC5$3770.00%+5New
Continuum Advisory, LLC4$3000.00%+4New
WestEnd Advisors, LLC3$2260.00%+3New
HM Payson & Co2$1510.00%+2New
First Personal Financial Services2$1510.00%+2New
Dogwood Wealth Management LLC0$40.00%0Unchanged
E Fund Management (Hong Kong) Co., Ltd.3$00.00%00.0%Unchanged
Select Equity Group, L.P.0$00.00%−819,550−100.0%Sold out
Colony Group, LLC0$00.00%−518,680−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−286,836−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−232,495−100.0%Sold out
Long Pond Capital, LP0$00.00%−222,500−100.0%Sold out
ING Groep NV0$00.00%−190,990−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−185,141−100.0%Sold out
Two Sigma Investments, LP0$00.00%−147,295−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−142,604−100.0%Sold out
HRT Financial LP0$00.00%−138,149−100.0%Sold out
Ninety One North America, Inc.0$00.00%−98,541−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−73,885−100.0%Sold out
Boston Private Wealth LLC0$00.00%−68,614−100.0%Sold out
Intrinsic Edge Capital Management LLC0$00.00%−62,742−100.0%Sold out
Magnetar Financial LLC0$00.00%−61,404−100.0%Sold out
Jag Capital Management, LLC0$00.00%−56,763−100.0%Sold out
Seven Eight Capital, LP0$00.00%−56,499−100.0%Sold out
Banco Santander, S.A.0$00.00%−55,670−100.0%Sold out
APG Asset Management N.V.0$00.00%−46,129−100.0%Sold out
Aigen Investment Management, LP0$00.00%−42,430−100.0%Sold out
SYSTM Wealth Solutions LLC0$00.00%−39,979−100.0%Sold out
CX Institutional0$00.00%−33,397−100.0%Sold out
united american securities inc. (d/b/a uas asset management)0$00.00%−30,035−100.0%Sold out
XTX Topco Ltd0$00.00%−29,845−100.0%Sold out
Versor Investments LP0$00.00%−27,138−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−26,585−100.0%Sold out
Highland Capital Management, LLC0$00.00%−23,813−100.0%Sold out