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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
Elo Mutual Pension Insurance Co36,060$2.72M0.06%−1,441−3.8%Reduced
Pathstone Holdings, LLC35,859$2.71M0.01%−775−2.1%Reduced
Raymond James Financial Services Advisors, Inc.35,765$2.70M0.00%+11,855+49.6%Added
Capstone Investment Advisors, LLC35,732$2.70M0.05%+2,722+8.2%Added
Papp L Roy & Associates35,370$2.67M0.32%−570−1.6%Reduced
AXA S.A.35,127$2.65M0.01%+4,338+14.1%Added
Oregon Public Employees Retirement Fund35,085$2.65M0.05%+100.0%Added
Oppenheimer & Co Inc34,912$2.63M0.04%+1,150+3.4%Added
Allianz Asset Management GmbH34,384$2.59M0.00%−5,412−13.6%Reduced
Jefferies Financial Group Inc.34,160$2.58M0.04%−41,366−54.8%Reduced
Formula Growth Ltd34,000$2.56M0.88%00.0%Unchanged
JustInvest LLC33,887$2.56M0.04%+5,440+19.1%Added
Aquatic Capital Management LLC33,300$2.51M0.07%−84,300−71.7%Reduced
Captrust Financial Advisors33,291$2.51M0.01%−2,135−6.0%Reduced
BNP Paribas32,804$2.47M0.10%+32,804New
Rakuten Investment Management, Inc.32,519$2.44M0.01%+8,425+35.0%Added
Federation des caisses Desjardins du Quebec32,353$2.44M0.01%−83−0.3%Reduced
Gulf International Bank (UK) Ltd32,276$2.43M0.06%−1,467−4.3%Reduced
Barbara Oil Co.32,000$2.41M0.99%00.0%Unchanged
Scotia Capital Inc.31,873$2.40M0.01%+2,080+7.0%Added
Creative Planning31,828$2.40M0.00%+6,939+27.9%Added
Nordea Investment Management AB31,730$2.38M0.00%+992+3.2%Added
Atria Investments LLC30,981$2.34M0.03%−2,090−6.3%Reduced
Wealthfront Advisers LLC30,944$2.33M0.01%+1,249+4.2%Added
Occudo Quantitative Strategies LP30,916$2.33M0.43%+30,916New
Flossbach Von Storch AG30,731$2.32M0.01%+1,368+4.7%Added
Gateway Investment Advisers LLC30,385$2.29M0.03%−10,140−25.0%Reduced
Employees Retirement System of Texas30,072$2.27M0.02%00.0%Unchanged
Banque Pictet & Cie SA29,999$2.26M0.02%00.0%Unchanged
Bessemer Group Inc29,981$2.26M0.00%+293+1.0%Added
Alberta Investment Management Corp29,500$2.23M0.02%+8,500+40.5%Added
Atlantic Union Bankshares Corp29,266$2.21M0.13%+1,168+4.2%Added
DoubleLine ETF Adviser LP29,252$2.21M0.54%+29,252New
Boomfish Wealth Group, LLC29,021$2.19M1.34%−290−1.0%Reduced
Kentucky Retirement Systems28,550$2.15M0.06%−2,221−7.2%Reduced
Park Avenue Securities LLC28,531$2.15M0.02%−4,865−14.6%Reduced
Point72 (DIFC) Ltd28,137$2.12M0.16%−12,993−31.6%Reduced
Principal Securities, Inc.28,016$2.11M0.05%−816−2.8%Reduced
Sanctuary Advisors, LLC26,478$2.11M0.01%−1,791−6.3%Reduced
D.A. Davidson & Co.27,914$2.11M0.02%+2,966+11.9%Added
SlateStone Wealth, LLC27,546$2.08M0.19%+1,723+6.7%Added
Natixis27,313$2.06M0.01%−15,916−36.8%Reduced
Malaga Cove Capital, LLC26,852$2.03M0.81%−323−1.2%Reduced
Mizuho Securities USA LLC26,574$2.00M0.04%−4,909−15.6%Reduced
Next Century Growth Investors LLC25,991$1.96M0.16%−6,793−20.7%Reduced
Commonwealth Equity Services, LLC25,912$1.96M0.00%−493−1.9%Reduced
Hartford Investment Management Co25,718$1.94M0.06%−436−1.7%Reduced
Stephens Inc25,684$1.94M0.03%−2,501−8.9%Reduced
Allianz SE25,512$1.92M0.05%00.0%Unchanged
AQR Capital Management LLC25,515$1.92M0.00%−3,308−11.5%Reduced
Advisor Group Holdings, Inc.25,224$1.90M0.00%+30+0.1%Added
Moody National Bank Trust Division24,713$1.86M0.20%+1,050+4.4%Added
Cresset Asset Management, LLC24,697$1.86M0.01%+3,682+17.5%Added
Exchange Traded Concepts, LLC24,538$1.85M0.04%−994−3.9%Reduced
Tower Research Capital LLC (TRC)24,511$1.85M0.05%−24,614−50.1%Reduced
Sumitomo Life Insurance Co24,485$1.85M0.04%+427+1.8%Added
M&T Bank Corp24,330$1.84M0.01%+790+3.4%Added
Sapient Capital LLC23,967$1.81M0.04%+6,522+37.4%Added
Kampmann Melissa S.23,415$1.77M1.25%+350+1.5%Added
First Bank & Trust23,223$1.75M0.33%−440−1.9%Reduced
Maryland State Retirement & Pension System23,163$1.75M0.04%−8,293−26.4%Reduced
Keybank National Association23,131$1.74M0.01%+2,053+9.7%Added
QRG Capital Management, Inc.22,945$1.73M0.02%+4,235+22.6%Added
Institute for Wealth Management, LLC.22,653$1.71M0.22%+2,174+10.6%Added
Securian Asset Management, Inc22,636$1.71M0.05%−843−3.6%Reduced
Benjamin Edwards Inc22,521$1.70M0.02%+19,529+652.7%Added
TD Private Client Wealth LLC21,959$1.66M0.05%+74+0.3%Added
Crossmark Global Holdings, Inc.21,918$1.65M0.03%−306−1.4%Reduced
Aurora Investment Managers, LLC.21,857$1.65M1.06%+678+3.2%Added
Centaurus Financial, Inc.20,842$1.57M0.10%+14,042+206.5%Added
Norinchukin Bank, The20,620$1.56M0.04%+2,876+16.2%Added
Harbor Advisors LLC20,060$1.51M0.25%+3,000+17.6%Added
Avantax Advisory Services, Inc.20,035$1.51M0.01%−1,344−6.3%Reduced
New Mexico Educational Retirement Board20,000$1.51M0.05%−600−2.9%Reduced
Ieq Capital, LLC19,928$1.50M0.02%−51−0.3%Reduced
B. Metzler seel. Sohn & Co. AG19,888$1.50M0.01%−465−2.3%Reduced
B. Metzler seel. Sohn & Co. Holding AG19,888$1.50M0.01%+19,888New
Y-Intercept (Hong Kong) Ltd19,518$1.47M0.09%−87,914−81.8%Reduced
Procyon Private Wealth Partners, LLC19,180$1.45M0.10%+1,726+9.9%Added
Brinker Capital Investments, LLC19,137$1.44M0.01%−3,860−16.8%Reduced
Orion Portfolio Solutions, LLC19,137$1.44M0.01%−3,860−16.8%Reduced
Dynamic Technology Lab Private Ltd19,133$1.44M0.15%+209+1.1%Added
Voya Financial Advisors, Inc.19,229$1.44M0.16%−1,153−5.7%Reduced
Harvest Fund Management Co., Ltd18,878$1.42M0.08%+6,517+52.7%Added
Markel Group Inc.SuperinvestorMarkel Group18,600$1.40M0.01%00.0%Unchanged
Dai-Ichi Life Insurance Company, Ltd18,425$1.39M0.04%00.0%Unchanged
Bell Bank18,232$1.38M0.16%+234+1.3%Added
Trexquant Investment LP18,164$1.37M0.02%−55,756−75.4%Reduced
RSM US Wealth Management LLC18,200$1.36M0.02%+7,912+76.9%Added
Metis Global Partners, LLC18,008$1.36M0.04%+861+5.0%Added
BI Asset Management Fondsmaeglerselskab A/S17,739$1.34M0.02%+5,405+43.8%Added
LGT Fund Management Co Ltd.17,652$1.33M0.14%+5,534+45.7%Added
Chicago Trust Co NA17,235$1.30M0.22%+3,890+29.1%Added
Wealth Enhancement Advisory Services, LLC16,975$1.28M0.00%+6,386+60.3%Added
O'Shaughnessy Asset Management, LLC16,532$1.28M0.01%+842+5.4%Added
Candriam Luxembourg S.C.A.16,764$1.26M0.01%+1,840+12.3%Added
Ameritas Investment Partners, Inc.16,629$1.25M0.04%+488+3.0%Added
FORA Capital, LLC16,419$1.24M0.15%+16,419New
Bokf, NA16,288$1.20M0.02%+420+2.6%Added
Aviva PLC15,679$1.18M0.00%+224+1.4%Added