Skip to main content

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, Q1 2024

Institutional positions in Costar Group, Inc. as of Mar 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
767
+36 vs. Q4 2023
Shares held
398.4M
+5.40M (+1.4%) vs. Q4 2023
Total value
$38.4B
+$4.10B (+12.0%) vs. Q4 2023
New holders
91
301 more added
Sold out
55
265 more reduced

6 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 767 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 heldQ1 2024: $38.4B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q4 2023.

Institutions holding CSGP in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management876,500$84.7M4.27%00.0%Unchanged
Chicago Capital, LLC912,670$88.2M2.69%−2,128−0.2%Reduced
Pictet Asset Management Holding SA923,486$89.2M0.10%+12,303+1.4%Added
UBS Group AG952,683$92.0M0.03%+27,940+3.0%Added
National Pension Service971,663$93.9M0.11%+34,218+3.7%Added
Wells Fargo & Company1,006,711$97.2M0.03%+234,796+30.4%Added
Kayne Anderson Rudnick Investment Management LLC1,018,043$98.3M0.23%−28,922−2.8%Reduced
Eagle Asset Management Inc1,043,251$98.6M0.50%−24,180−2.3%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,035,675$100.0M0.07%+17,658+1.7%Added
CIBC Private Wealth Group, LLC1,063,239$100.5M0.20%−9,336−0.9%Reduced
FMR LLC1,097,371$106.0M0.01%−487,851−30.8%Reduced
Baird Financial Group, Inc.1,138,541$110.0M0.23%−8,848−0.8%Reduced
Nuveen Asset Management, LLC1,145,797$110.7M0.03%−17,326−1.5%Reduced
Barclays PLC1,153,956$111.5M0.05%−260,457−18.4%Reduced
SEI Investments Co1,205,936$116.5M0.17%+58,489+5.1%Added
Swiss National Bank1,222,900$118.1M0.08%−54,000−4.2%Reduced
Ensign Peak Advisors, Inc1,418,931$137.1M0.25%−142,945−9.2%Reduced
William Blair Investment Management, LLC1,443,228$139.4M0.36%−234,808−14.0%Reduced
Dimensional Fund Advisors LP1,478,175$142.8M0.04%+158,159+12.0%Added
UBS Asset Management Americas Inc1,509,648$145.8M0.05%+17,075+1.1%Added
Price T Rowe Associates Inc1,567,199$151.4M0.02%−1,701−0.1%Reduced
Bares Capital Management, Inc.1,578,735$152.5M6.05%−396,460−20.1%Reduced
RGM Capital, LLC1,598,078$154.4M6.23%+5,452+0.3%Added
Harding Loevner LP1,601,191$154.7M0.95%−130,254−7.5%Reduced
Westfield Capital Management Co LP1,647,389$159.1M0.84%+248,493+17.8%Added
Envestnet Asset Management Inc1,723,938$166.5M0.06%−93,880−5.2%Reduced
Voya Investment Management LLC1,785,722$172.5M0.17%+1,585,767+793.1%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,940,510$187.5M0.50%−19,512−1.0%Reduced
DF Dent & Co Inc1,947,602$188.1M2.30%−29,660−1.5%Reduced
JPMorgan Chase & Co1,960,841$189.4M0.02%+1,320,895+206.4%Added
Riverbridge Partners LLC1,982,075$191.5M2.34%−484,822−19.7%Reduced
Federated Hermes, Inc.1,995,116$192.7M0.44%−119,855−5.7%Reduced
American Century Companies Inc2,013,476$194.5M0.12%−363,836−15.3%Reduced
Mackenzie Financial Corp2,017,480$194.9M0.28%−125,801−5.9%Reduced
Vulcan Value Partners, LLC2,177,070$210.1M3.05%+576,383+36.0%Added
Legal & General Group Plc2,271,269$219.4M0.06%+44,257+2.0%Added
Ownership Capital B.V.2,385,164$230.4M5.27%−191,942−7.4%Reduced
Franklin Resources Inc2,513,492$242.8M0.08%+1,112,353+79.4%Added
Charles Schwab Investment Management Inc2,541,634$245.5M0.06%+83,383+3.4%Added
Farallon Capital Management, L.L.C.2,594,356$250.6M1.47%−527,000−16.9%Reduced
Capital Research Global Investors2,652,774$256.3M0.06%+238,461+9.9%Added
Ameriprise Financial Inc3,043,930$294.0M0.08%+92,675+3.1%Added
Invesco Ltd.3,059,796$295.6M0.06%−864,520−22.0%Reduced
Goldman Sachs Group Inc3,090,288$298.5M0.06%+88,470+2.9%Added
Wellington Management Group LLP3,237,246$312.7M0.06%+406,547+14.4%Added
Northern Trust Corp3,537,027$341.7M0.06%−181,360−4.9%Reduced
T. Rowe Price Investment Management, Inc.3,628,297$350.5M0.21%−3,116,738−46.2%Reduced
Brown Advisory Inc3,712,458$358.6M0.48%−432,263−10.4%Reduced
Morgan Stanley4,024,461$388.8M0.03%+1,159,796+40.5%Added
Capital International Investors4,037,971$390.1M0.08%+1,3620.0%Added
Bank of America Corp4,337,362$419.0M0.04%+315,676+7.8%Added
Blair William & Co4,419,778$427.0M1.34%+26,800+0.6%Added
Norges Bank4,895,612$472.9M0.07%+239,079+5.1%Added
Sands Capital Management, LLC5,375,482$519.3M1.45%−245,319−4.4%Reduced
Artisan Partners Limited Partnership5,703,020$550.9M0.80%+565,016+11.0%Added
Bank of New York Mellon Corp5,992,499$578.9M0.11%−166,147−2.7%Reduced
Akre Capital Management LLCSuperinvestorAkre Capital Management7,261,626$701.5M5.80%+5,957+0.1%Added
Macquarie Group Ltd8,486,151$819.8M0.93%−334,912−3.8%Reduced
Baillie Gifford & Co9,253,753$893.9M0.70%−270,343−2.8%Reduced
Geode Capital Management, LLC10,841,811$1.04B0.10%+391,366+3.7%Added
Massachusetts Financial Services Co11,502,919$1.11B0.33%−323,785−2.7%Reduced
Janus Henderson Group PLC11,808,027$1.14B0.62%+1,773,564+17.7%Added
State Street Corp16,126,174$1.56B0.07%+309,884+2.0%Added
Bamco Inc19,337,618$1.87B4.98%−53,665−0.3%Reduced
Principal Financial Group Inc19,592,181$1.89B1.11%−213,552−1.1%Reduced
BlackRock Inc.38,886,450$3.76B0.09%+2,358,559+6.5%Added
Vanguard Group Inc65,451,499$6.32B0.13%+541,700+0.8%Added
Twinbeech Capital LP0$00.00%−618,101−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−188,264−100.0%Sold out
LTS One Management LP0$00.00%−155,000−100.0%Sold out
Engineers Gate Manager LP0$00.00%−109,874−100.0%Sold out
Andra AP-fonden0$00.00%−91,600−100.0%Sold out
Cetera Advisor Networks LLC0$00.00%−76,266−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−41,393−100.0%Sold out
JLP Asset Management, LLC0$00.00%−38,442−100.0%Sold out
B.O.S.S. Retirement Advisors, LLC0$00.00%−36,849−100.0%Sold out
HST Ventures, LLC0$00.00%−26,635−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−20,039−100.0%Sold out
American Assets Capital Advisers, LLC0$00.00%−18,669−100.0%Sold out
Qsemble Capital Management, LP0$00.00%−16,360−100.0%Sold out
Walleye Trading LLC0$00.00%−13,099−100.0%Sold out
FJ Investments, LLC0$00.00%−10,700−100.0%Sold out
HRT Financial LP0$00.00%−9,914−100.0%Sold out
Magnetar Financial LLC0$00.00%−9,660−100.0%Sold out
Quantbot Technologies LP0$00.00%−9,184−100.0%Sold out
Jackson Square Capital, LLC0$00.00%−8,742−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−7,980−100.0%Sold out
Thoroughbred Financial Services, LLC0$00.00%−7,667−100.0%Sold out
Cetera Advisors LLC0$00.00%−6,172−100.0%Sold out
Oak Thistle LLC0$00.00%−5,245−100.0%Sold out
Inceptionr LLC0$00.00%−5,038−100.0%Sold out
Paloma Partners Management Co0$00.00%−4,517−100.0%Sold out
SageView Advisory Group, LLC0$00.00%−4,622−100.0%Sold out
Pearl River Capital, LLC0$00.00%−4,501−100.0%Sold out
Natixis0$00.00%−3,997−100.0%Sold out
Resources Investment Advisors, LLC.0$00.00%−3,829−100.0%Sold out
Virtu Financial LLC0$00.00%−3,773−100.0%Sold out
Wolverine Trading, LLC0$00.00%−2,767−100.0%Sold out
WMS Partners, LLC0$00.00%−2,559−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−2,524−100.0%Sold out