---
title: CoStar Group (CSGP) — intrinsic value and fair price
canonical: https://sweetvaluelab.com/stocks/csgp
ticker: CSGP
as_of: 2026-10-17
sector: Real Estate
industry: Real Estate - Services
---
# CoStar Group (CSGP)

CoStar Group (CSGP) closed at $32.31 on Oct 16, 2026, overvalued by 94% vs its model value of $16.67 (from its peers' median P/E).

## Key figures

| Figure | Value |
| --- | ---: |
| Last close | $32.31 (Oct 16, 2026) |
| Model value (from its peers' median P/E) | $16.67 |
| Price vs model | overvalued by 94% vs model |
| Range of that model | $16.50 – $17.09 |
| Market value | $13.1B |
| P/E (fiscal 2025) | 1615.5 |
| Net margin (fiscal 2025) | 0.2% |
| Free cash flow (fiscal 2025) | $123.0M |
| Dividend yield (trailing twelve months) | 0.00% |
| Beta | 0.80 |
| Cost of capital (WACC) | 8.25% |
| Business classification | Mature & Stable (Moderate growth (~15% recent), Thin margins (0.2% net margin), Highly cyclical earnings) |

## On the stock lists

| List | Place | Figure | Page |
| --- | ---: | ---: | --- |
| Worst performing this year | #7 | −51.9% | https://sweetvaluelab.com/lists/worst-performing-this-year |
| Insider buying | #12 | $2.5M | https://sweetvaluelab.com/lists/insider-buying |

## Valuation models

Each model's value per share and the role the engine gave it for this business. The headline above is one model's value; every other model is listed with its own, and each has a page of its own under the valuation. Computed Oct 17, 2026.

| Model | Role | Value per share | Low | High |
| --- | --- | ---: | ---: | ---: |
| DCF · Perpetuity growth · 5y | primary | $0.00 | $0.00 | $0.00 |
| DCF · Perpetuity growth · 10y | cross check | $0.00 | $0.00 | $0.22 |
| DCF · EBITDA exit · 5y | cross check | $24.88 | $20.05 | $30.52 |
| DCF · EBITDA exit · 10y | cross check | $24.77 | $18.23 | $33.35 |
| P/E · peers | cross check | $16.67 | $16.50 | $17.09 |
| P/E · own history | cross check | $67.59 | $58.59 | $159.65 |
| PEG | sanity check | $34.15 | $34.15 | $34.15 |
| EV/EBITDA · peers | cross check | $13.44 | $10.19 | $17.50 |
| EV/Revenue · peers | cross check | $77.36 | $75.38 | $80.04 |
| Earnings power value | cross check | $11.01 | $9.55 | $13.12 |
| Dividend discount | cross check | $0.00 | $0.00 | $0.00 |

## Insider activity (SEC Form 4)

Past 90 days: 1 open-market buy ($2.5M) and 2 open-market sales ($253,109.6); 10b5-1 plan sales included.

| Date | Insider | Relationship | Transaction | Shares | Value |
| --- | --- | --- | --- | ---: | ---: |
| Oct 15, 2026 | Rossmann Robin Jack | Chief  Financial Officer | Tax withholding | 756 | $24,192 |
| Aug 7, 2026 | Cann Cynthia Cammett | Chief Accounting Officer | Open-market sell | 4,788 | $147,374.6 |
| Aug 5, 2026 | Hill John W | Director | Open-market sell | 3,500 | $105,735 |
| Aug 4, 2026 | FLORANCE ANDREW C | Founder and CEO | Open-market buy | 83,300 | $2.5M |
| Jul 31, 2026 | Rossmann Robin Jack | Chief  Financial Officer | Grant / award | 34,771 | $0 |

## Recent SEC filings

| Filed | Form | What | Filing |
| --- | --- | --- | --- |
| Aug 21, 2026 | 8-K | 7.01 Regulation FD Disclosure; 9.01 Financial Statements and Exhibits | https://www.sec.gov/Archives/edgar/data/1057352/000105735226000072/csgp-20260821.htm |
| Jul 29, 2026 | S-8 | Employee stock plan registration | https://www.sec.gov/Archives/edgar/data/1057352/000119312526323889/d168173ds8.htm |
| Jul 29, 2026 | 10-Q | Quarterly report | https://www.sec.gov/Archives/edgar/data/1057352/000105735226000066/csgp-20260630.htm |
| Jul 28, 2026 | 8-K | 2.02 Results of Operations (Earnings); 9.01 Financial Statements and Exhibits | https://www.sec.gov/Archives/edgar/data/1057352/000105735226000061/csgp-20260728.htm |
| Jul 13, 2026 | 8-K | 5.02 Departure/Election of Directors or Officers; 7.01 Regulation FD Disclosure; 9.01 Financial Statements and Exhibits | https://www.sec.gov/Archives/edgar/data/1057352/000105735226000054/csgp-20260707.htm |

## Superinvestors holding it (latest 13F)

| Manager | Quarter | Shares | Value |
| --- | --- | ---: | ---: |
| Akre | 2026-06-30 | 11,699,396 | $331.3M |
| Polen Capital | 2026-06-30 | 8,759,314 | $248.1M |
| Wallace Weitz | 2026-06-30 | 423,181 | $12.0M |
| Hillman Capital | 2026-06-30 | 10,745 | $304,298 |

4 tracked managers in all.

## About

CoStar Group, Inc. (CSGP) stands as a premier global provider of comprehensive information, sophisticated analytics, and dynamic online marketplace services. The company caters to professionals within the commercial real estate, hospitality, residential, and related industries, extending its reach across the United States, Canada, Europe, the Asia Pacific region, and Latin America. Its diverse suite of offerings encompasses powerful data platforms like CoStar Property, which meticulously catalogues an extensive inventory of various property types, including office, industrial, retail, multifamily, hospitality, student housing, and undeveloped land. Other key analytical tools comprise CoStar COMPS, a robust repository of comparable commercial real estate sales transactions; CoStar Market Analytics, designed for examining aggregated market and submarket trends; and CoStar Tenant, an online…

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Source: https://sweetvaluelab.com/stocks/csgp (SweetValueLab, free, no account). Prices and statements from Financial Modeling Prep; filings from SEC EDGAR. Research and educational data, not investment advice; nothing here is a recommendation to buy, sell or hold any security.