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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 2024

Institutional positions in Costar Group, Inc. as of Dec 31, 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
805
+47 vs. Q3 2024
Shares held
403.4M
+7.24M (+1.8%) vs. Q3 2024
Total value
$28.9B
−$1.01B (−3.4%) vs. Q3 2024
New holders
144
296 more added
Sold out
97
277 more reduced

15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 805 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 2024: $28.9B
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 2024

Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q3 2024.

Institutions holding CSGP in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Wood Tarver Financial Group, LLC3$00.00%+3New
Aspect Partners, LLC2$1430.00%−3−60.0%Reduced
NBC Securities, Inc.3$2290.02%+3New
CoreCap Advisors, LLC4$2860.00%−701−99.4%Reduced
Continuum Advisory, LLC4$2860.00%00.0%Unchanged
Parkworth Wealth Management, Inc.4$2860.00%+4New
Chesapeake Asset Management LLC5$3570.00%00.0%Unchanged
Wolff Wiese Magana LLC5$3580.00%00.0%Unchanged
Global Financial Private Client, LLC6$4300.00%+6New
Old Second National Bank of Aurora7$5010.00%+7New
Winnow Wealth LLC8$5710.00%+8New
Riggs Asset Managment Co. Inc.8$5750.00%00.0%Unchanged
Principia Wealth Advisory, LLC9$6440.00%+9New
UMA Financial Services, Inc.9$6450.00%+9New
TFC Financial Management10$7160.00%00.0%Unchanged
Global Trust Asset Management, LLC10$7160.00%00.0%Unchanged
Key Financial Inc10$7160.00%00.0%Unchanged
Richardson Financial Services Inc.11$7870.00%+11New
Highline Wealth Partners LLC12$8590.00%00.0%Unchanged
PayPay Securities Corp13$9310.04%+4+44.4%Added
Avion Wealth14$1.00K0.00%−26−65.0%Reduced
Lazard Asset Management LLC22$1.00K0.00%00.0%Unchanged
CKW Financial Group20$1.00K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC7$1.00K0.00%00.0%Unchanged
Migdal Insurance & Financial Holdings Ltd.8$1.00K0.00%+8New
Carolinas Wealth Consulting LLC15$1.07K0.00%−5−25.0%Reduced
True Wealth Design, LLC15$1.10K0.00%+3+25.0%Added
Core Alternative Capital16$1.15K0.00%00.0%Unchanged
Sachetta, LLC16$1.15K0.00%−25−61.0%Reduced
NVWM, LLC17$1.22K0.00%+17New
MCF Advisors LLC17$1.22K0.00%+17New
SJS Investment Consulting Inc.19$1.36K0.00%−7−26.9%Reduced
Creative Financial Designs Inc20$1.43K0.00%+20New
Park Square Financial Group, LLC20$1.43K0.00%+20New
Bruce G. Allen Investments, LLC21$1.50K0.00%00.0%Unchanged
Clark Wealth Partners21$1.50K0.00%+21New
Cassady Schiller Wealth Management, LLC22$1.57K0.00%+22New
WealthTrak Capital Management LLC25$1.79K0.00%+25New
DiNuzzo Private Wealth, Inc.26$1.86K0.00%−3−10.3%Reduced
Coppell Advisory Solutions LLC26$1.87K0.00%00.0%Unchanged
Larson Financial Group LLC28$2.00K0.00%−43−60.6%Reduced
Washington Trust Co30$2.15K0.00%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.30$2.15K0.00%00.0%Unchanged
Sittner & Nelson, LLC31$2.22K0.00%+31New
Sandy Spring Bank32$2.29K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC32$2.29K0.00%+22+220.0%Added
Zions Bancorporation, N.A.33$2.36K0.00%00.0%Unchanged
WR Wealth Planners, LLC34$2.43K0.00%−14−29.2%Reduced
NewSquare Capital LLC38$2.72K0.00%+38New
Salem Investment Counselors Inc38$2.72K0.00%00.0%Unchanged
Raffa Wealth Management, LLC40$2.86K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.40$2.86K0.00%+13+48.1%Added
Red Tortoise LLC50$3.58K0.00%00.0%Unchanged
Valued Wealth Advisors LLC50$3.58K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC53$3.79K0.00%−7−11.7%Reduced
Sierra Ocean, LLC54$3.87K0.00%+54New
Bellevue Asset Management, LLC59$4.22K0.00%+1+1.7%Added
DT Investment Partners, LLC62$4.44K0.00%00.0%Unchanged
Farmers & Merchants Trust Co of Chambersburg PA64$5.00K0.00%00.0%Unchanged
AdvisorNet Financial, Inc70$5.01K0.00%−39−35.8%Reduced
Rakuten Securities, Inc.70$5.01K0.00%+20+40.0%Added
Financial Management Professionals, Inc.72$5.15K0.00%+25+53.2%Added
Heritage Wealth Advisors76$5.44K0.00%00.0%Unchanged
Manchester Capital Management LLC79$5.66K0.00%−42−34.7%Reduced
Trust Co of Vermont80$5.73K0.00%00.0%Unchanged
Fedenia Advisers LLC80$5.73K0.00%+80New
Kestra Investment Management, LLC82$5.87K0.00%+82New
New Wave Wealth Advisors LLC83$5.94K0.00%+83New
Smithfield Trust Co90$6.00K0.00%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP80$6.12K0.00%00.0%Unchanged
Carolina Wealth Advisors, LLC98$7.02K0.00%00.0%Unchanged
Brown Brothers Harriman & Co99$7.09K0.00%−281−73.9%Reduced
West Branch Capital LLC100$7.16K0.00%−1−1.0%Reduced
First United Bank Trust100$7.16K0.00%00.0%Unchanged
Orion Capital Management LLC100$7.16K0.00%+100New
Edmond de Rothschild Holding S.A.102$7.30K0.00%−567−84.8%Reduced
JFS Wealth Advisors, LLC107$7.66K0.00%−7−6.1%Reduced
CBIZ Investment Advisory Services, LLC110$7.88K0.00%−320−74.4%Reduced
Whipplewood Advisors, LLC113$8.09K0.00%+113New
Washington Trust Advisors, Inc.121$8.69K0.00%+55+83.3%Added
Aventura Private Wealth, LLC122$8.73K0.00%+122New
Private Wealth Management Group, LLC127$9.09K0.00%−61−32.4%Reduced
Asset Dedication, LLC131$9.38K0.00%00.0%Unchanged
Johnson Financial Group, Inc.123$9.42K0.00%+54+78.3%Added
MV Capital Management, Inc.134$9.59K0.00%−14−9.5%Reduced
Dunhill Financial, LLC135$9.66K0.00%+19+16.4%Added
Harbour Investments, Inc.140$10.0K0.00%+8+6.1%Added
Quent Capital, LLC144$10.3K0.00%−1−0.7%Reduced
Cherry Tree Wealth Management, LLC147$10.5K0.00%00.0%Unchanged
MidAtlantic Capital Management, Inc.147$10.5K0.01%00.0%Unchanged
Concord Wealth Partners153$11.0K0.00%00.0%Unchanged
Sunbelt Securities, Inc.158$11.3K0.00%00.0%Unchanged
Cullen/Frost Bankers, Inc.171$12.2K0.00%+64+59.8%Added
Truvestments Capital LLC172$12.3K0.00%00.0%Unchanged
GWM Advisors LLC178$12.7K0.00%−31−14.8%Reduced
Synergy Financial Management, LLC170$12.8K0.00%+170New
Hemington Wealth Management185$13.0K0.00%−98−34.6%Reduced
RiverPark Advisors, LLC183$13.1K0.01%−163−47.1%Reduced
Bell Investment Advisors, Inc206$14.7K0.00%−20−8.8%Reduced
Medallion Wealth Advisors, LLC223$16.0K0.01%+223New