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All holdings

CoStar Group

CSGP

Source: the SEC Form 13F filings of the managers we follow, latest for Q3 2026. How we use them

Managers holding
3
In their latest 13F (Q3 2026)
See who
Value held
$591m
Combined value at quarter end
Last quarter
1 bought
2 sold or trimmed
Fund portfolios
4
Funds holding it
See which
Price at Q2 ’26 end
$28.32
-29.8% in the quarter

Prices here are quarter-end prices implied by the 13F filings. Today’s price on Yahoo Finance

Share price change by quarter

+1.8%Q3 ’24
-5.1%Q4 ’24
+10.7%Q1 ’25
+1.5%Q2 ’25
+4.9%Q3 ’25
-20.3%Q4 ’25
-40.0%Q1 ’26
-29.8%Q2 ’26
Q3 ’24: +1.8%; Q4 ’24: -5.1%; Q1 ’25: +10.7%; Q2 ’25: +1.5%; Q3 ’25: +4.9%; Q4 ’25: -20.3%; Q1 ’26: -40.0%; Q2 ’26: -29.8%

Change in the quarter-end price implied by managers’ 13F filings, adjusted for stock splits. Excludes dividends.

Managers holding it, by quarter

4Q4 ’23
4Q1 ’24
4Q2 ’24
4Q3 ’24
5Q4 ’24
5Q1 ’25
5Q2 ’25
4Q3 ’25
4Q4 ’25
3Q1 ’26
3Q2 ’26
0Q3 ’26
Q4 ’23: 4; Q1 ’24: 4; Q2 ’24: 4; Q3 ’24: 4; Q4 ’24: 5; Q1 ’25: 5; Q2 ’25: 5; Q3 ’25: 4; Q4 ’25: 4; Q1 ’26: 3; Q2 ’26: 3; Q3 ’26: 0

Counts the managers on this site whose 13F for that quarter includes CoStar Group.

Who holds it

Each manager’s latest 13F, sorted by how much of their portfolio it is. Changes are against their previous quarter.

Managers holding CoStar Group
Akre Capital Management6.5%$331m$331mAdded +13%27 qtrs
Polen Capital Management2.1%$248m$248mTrimmed -30%7 qtrs
Weitz Investment Management0.8%$12.0m$12.0mTrimmed -18%26 qtrs

Download the holders: CSV · JSON · Markdown

Directors buying and selling

Open-market trades by directors, officers and 10% holders over the last 12 months. How this works
From their Form 4 filings with the SEC. Grants, option exercises and shares sold to pay tax are left out.
Insider purchases and sales of CoStar Group
Bought or soldFiling
7 Aug 2026Cann Cynthia CammettChief Accounting Officer▼ Sold4,788$30.78$147kForm 4
5 Aug 2026Hill John WDirector▼ Sold3,500$30.21$106kForm 4
4 Aug 2026Florance Andrew CFounder and CEO▲ Bought83,300$29.89$2.5mForm 4

About the company

Sector
Real estate · Services-Business Services, Nec
Incorporated in
Delaware
Financial year ends
31 December
Shares outstanding
405m at 27 Jul 2026
SEC filings
Annual reports and other filings on EDGAR

Revenue and profit

$441m2013
$712m2015
$965m2017
$1.4bn2019
$1.9bn2021
$2.5bn2023
$3.2bn2025
2013: $441m; 2014: $576m; 2015: $712m; 2016: $838m; 2017: $965m; 2018: $1.2bn; 2019: $1.4bn; 2020: $1.7bn; 2021: $1.9bn; 2022: $2.2bn; 2023: $2.5bn; 2024: $2.7bn; 2025: $3.2bn
CoStar Group revenue and net income by year
YearRevenueNet income
2025$3.2bn$6.5m
2024$2.7bn$139m
2023$2.5bn$375m
2022$2.2bn$370m
2021$1.9bn$293m
2020$1.7bn$227m
2019$1.4bn$315m
2018$1.2bn$238m
2017$965m$123m
2016$838m$85.1m
2015$712m−$3.5m
2014$576m$44.9m
2013$441m$29.7m

From the company’s XBRL financial statements filed with the SEC, for each financial year. Gaps mean the company didn’t report that figure in a standard form.

In fund portfolios

US-registered funds run by these managers that hold CoStar Group, from their latest N-PORT filings.

Funds holding CoStar Group
Akre Focus ETFAkre Capital Management4.7%$244m31 Jul 2026
Polen Global Growth FundPolen Capital Management1.2%$1.3m31 Jul 2026
Weitz Partners Value FundWeitz Investment Management1.2%$5.9m30 Jun 2026
Weitz Large Cap Equity FundWeitz Investment Management0.9%$5.9m30 Jun 2026