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Equity · Real Estate

CSGP

NASDAQ

CoStar Group (CSGP)

$33.92 −4.32% vs prior close Oct 23, 2026
CoStar Group, Inc. price graph
57 sessions
$40 $25 29 Jul 23 Oct

The line runs $30 on 29 July through $33.92 on 23 October, on a scale from $25 to $40. Days the market did not trade hold the previous close, flat.

Market cap
$13.7B
P/E (TTM)
169.6
52-week range
$26.50 – $78.24
Avg volume
362.7K

as of Oct 23, 2026

Have CoStar Group (CSGP) insiders bought or sold shares recently?

In the 90 days to 28 Oct 2026, CoStar Group insiders reported 2 open-market sales and 1 purchase (SEC Form 4).

Form 4, 90 days to 28 Oct 2026, newest reported trade 7 Aug 2026

Buys 1Sells 2Net bought $2.24MOther filings 3

ReportedInsiderTypeSharesValue
07 Aug 2026Cann Cynthia CammettChief Accounting OfficerSell4,788$147K
05 Aug 2026Hill John WDirectorSell3,500$106K
04 Aug 2026FLORANCE ANDREW CFounder and CEOBuy83,300$2.49M
Bought1 open-market purchase83,300$2.49M
Sold2 open-market sales8,288$253K
3 other filings in the window: grants, exercises, tax withholding and transfers, not trades
ReportedInsiderTypeSharesValue
15 Oct 2026Rossmann Robin JackChief Financial OfficerTax withheld756$24K
01 Aug 2026Cann Cynthia CammettChief Accounting OfficerTax withheld1,077$31K
01 Aug 2026SAINT FREDERICK G.President, MarketplacesTax withheld1,436$41K

Which funds hold CoStar Group (CSGP)?

10 of the 45 institutional funds we track reported a CoStar Group position for the quarter ended 30 Jun 2026 — a combined $429.1M; the latest of those filings landed 02 Sep 2026.

Form 13F

FundPositionSharesValueShares q/q
AQR Capital ManagementAdded8,445,474$239.2M+568.8%
Marshall WaceAdded1,381,204$39.1M+167.0%
Two Sigma InvestmentsAdded1,104,950$31.3M+264.7%
D. E. Shaw & Co.Trimmed1,043,332$29.5M−82.3%
Man GroupAdded921,094$26.1M+1,323.0%
Millennium ManagementAdded746,995$21.2M+504.4%
Citadel AdvisorsTrimmed741,898$21.0M−31.8%
Tudor Investment CorpAdded627,490$17.8M+250.0%
Point72 Asset ManagementNew position130,616$3.7M
Balyasny Asset ManagementAdded9,349$265K+47.8%

Have members of Congress traded CoStar Group (CSGP)?

The most recent congressional trade disclosed in CoStar Group is a purchase by Gilbert Ray Cisneros, Jr. (house, CA), dated 15 Oct 2025.

STOCK Act disclosures

TradedMemberTypeAmountFiled after
15 Oct 2025Gilbert Ray Cisneros, Jr.house · Democrat–CAPurchase$1K–$15K34 days
30 Sep 2025Gilbert Ray Cisneros, Jr.house · Democrat–CAPurchase$1K–$15K10 days
25 Sep 2025Lisa C. McClainhouse · Republican–MISale$1K–$15K27 days
22 Sep 2025Gilbert Ray Cisneros, Jr.house · Democrat–CAPurchase$1K–$15K18 days
13 Aug 2025Lisa C. McClainhouse · Republican–MIPurchase$1K–$15K30 days
31 Jul 2025Gilbert Ray Cisneros, Jr.house · Democrat–CAPurchase$1K–$15K14 days
09 Jul 2025Gilbert Ray Cisneros, Jr.house · Democrat–CAPurchase$1K–$15K36 days
30 Jun 2025Gilbert Ray Cisneros, Jr.house · Democrat–CAPurchase$1K–$15K10 days

What has been filed or recorded for CoStar Group (CSGP)?

The filings we hold for CoStar Group, newest first: 1 fails-to-deliver day, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 30 Sep 2026. No next earnings date is announced in SEC filings yet.

And
30 Sep 2026Fails to deliverShares failed to deliver16,723 shares$451K notional · 0.004% of shares out
30 Jun 2026Quarterly earningsQ2 2026 reportedEPS $0.14
30 Jun 2026FinancialsTotal assets$10.1Bat period end
30 Jun 2026FinancialsTotal equity$7.9Bat period end
31 Mar 2026Quarterly earningsQ1 2026 reportedEPS $0.01
31 Dec 2025Annual reportFY 2025 reportedEPS $0.02
31 Dec 2025FinancialsRevenue$3.2Bfiscal year
31 Dec 2025FinancialsNet income$7.0Mfiscal year
31 Dec 2025FinancialsDiluted EPS$0.02fiscal year
30 Sep 2025Quarterly earningsQ3 2025 reportedEPS −$0.07
30 Jun 2025Quarterly earningsQ2 2025 reportedEPS $0.01
31 Mar 2025Quarterly earningsQ1 2025 reportedEPS −$0.04
31 Dec 2024Annual reportFY 2024 reportedEPS $0.34
30 Sep 2024Quarterly earningsQ3 2024 reportedEPS $0.13

CoStar Group (CSGP): frequently asked questions

From live data
$33.92

What did CoStar Group shares close at?

CoStar Group closed at $33.92 on 23 Oct 2026, down 4.32% on the close before. That is the end-of-day price from Finazon, not a live quote.

$13.7B

What is CoStar Group’s market cap?

CoStar Group is worth $13.7B by market value as of 23 Oct 2026, which is the share price times the shares on issue from its SEC filings.

169.6

What is CoStar Group’s P/E ratio?

CoStar Group has a price-to-earnings ratio of 169.6, as of 23 Oct 2026: the share price divided by what the company earned per share over the last four reported quarters. A higher number means the market pays more for each dollar of earnings.

$3.2B

What is CoStar Group’s revenue?

CoStar Group reported revenue of $3.2B for the year ended 31 Dec 2025, as filed with the SEC. See Filings

2 sales

Have CoStar Group insiders bought or sold shares recently?

In the 90 days to 28 Oct 2026, CoStar Group insiders reported 2 open-market sales and 1 purchase (SEC Form 4). A further 3 filings were grants, awards, gifts or exercises rather than open-market trades. See Insiders

10 of 45

Which funds own CoStar Group?

10 of the 45 funds we track reported a CoStar Group position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were AQR Capital Management, Marshall Wace and Two Sigma Investments. See Funds

22 trades

Have members of Congress traded CoStar Group?

Yes. 22 trades in CoStar Group appear in the congressional disclosures we hold; the latest is a purchase by Gilbert Ray Cisneros, Jr. (House, CA) dated 15 Oct 2025, filed 18 Nov 2025. Amounts are disclosed as ranges, and a filing can follow the trade by up to 45 days. See Congress

$0.14

When did CoStar Group last report earnings?

CoStar Group last reported earnings on 30 Jun 2026 for Q2 2026, with EPS of $0.14; no next date is announced in SEC filings yet. See Filings

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.

References
  1. Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. SEC EDGARForm 4 filings (insider transactions)
  4. SEC EDGAR13F filings
  5. House disclosuresU.S. House of Representatives financial disclosures
  6. SECSEC fails-to-deliver (CNS) data
  7. SEC EDGARXBRL company facts, latest period ended 30 Jun 2026
  8. SEC EDGARreported earnings figures and scheduled report dates
  9. SEC EDGARValuation computed from SEC EDGAR filings