Last Update 08 Mar 26

Fair value Decreased 16%

CSGP: Activist Pressure And Buybacks Will Support Residential Investment Turnaround

Analysts have reduced their CoStar Group price target in aggregate, with our fair value estimate moving about $12.63 lower to $65.42 as they factor in softer bookings, slightly lower projected revenue growth and margin assumptions, and a more cautious view on medium term expansion, despite solid recent results and maintained long term guidance.

Analyst Commentary

Street research has turned more cautious on CoStar Group, with many firms lowering price targets while still acknowledging solid Q4 execution and reaffirmed long term guidance. The debate now centers on how reliably the company can translate its current investments into growth and margins over the medium term.

Bullish Takeaways

Bullish analysts point to Q4 revenue, margins, and EPS that came in above expectations, which they see as evidence of disciplined cost control and operating leverage supporting current valuation levels.
Several research notes highlight continued strength in the core commercial real estate data and marketplace business, including international expansion and growth across verticals, as a key underpinning for long term growth assumptions.
Some analysts argue that Homes.com is scaling with better engagement and lead quality, with major brand spending largely behind the company, which they view as improving visibility on future monetization and margin improvement.
Activist investor interest is viewed by some as a potential support for the share price, with the argument that either execution improves or activists could push for structural changes, including a possible rethink of Homes.com investment levels.

Bearish Takeaways

Bearish analysts focus on recent bookings misses versus expectations, including Q3 and Q4, which they say make it harder to underwrite double digit organic growth and justify prior valuation multiples.
There is concern around weaker Multifamily performance and reduced disclosure, with some research suggesting it is increasingly difficult to track Multifamily growth and Homes.com investment against stated mid term targets.
Several firms flag the company’s medium term outlook as less favorable than previously expected, citing lower long term targets, slower margin expansion, and guidance that sits below some prior market expectations.
Some analysts question the impact of fixed shared costs and Homes.com spending on overall margins, noting guidance that implies pressure on commercial margins and a longer path before Homes.com profits materially support group earnings.

What's in the News

D.E. Shaw is reported to be pushing for changes to CoStar Group's board, adding further pressure on governance and capital allocation decisions (Wall Street Journal).
Third Point, led by Dan Loeb, is reported to be targeting CoStar Group, criticizing governance, compensation, and capital deployment, and signaling plans to propose new directors (Reuters).
CoStar Group amended its Executive Severance Plan on February 13, 2026, removing the "director clause" from the definition of "Change in Control" after a Delaware lawsuit tied to threatened proxy contests by Third Point and D.E. Shaw.
D.E. Shaw sent an open letter and presentation on February 4, 2026, urging CoStar's board to reconsider spending on Homes.com, consider options such as exiting or spinning off that business, and add new independent directors to improve oversight.
Third Point sent multiple communications in late January 2026 criticizing executive pay, residential real estate investments, and board oversight, and stating plans to nominate a new slate of directors and advocate for exiting or shutting down residential businesses to refocus on the core commercial real estate business.

Valuation Changes

Fair Value: revised lower from $78.05 to $65.42, a reduction of about 16%.
Discount Rate: edged higher from 8.61% to 8.68%, implying a slightly higher required return.
Revenue Growth: trimmed from 15.49% to 14.40%, reflecting more conservative top line assumptions.
Net Profit Margin: adjusted down from 12.21% to 11.39%, pointing to a more cautious view on future profitability.
Future P/E: reduced from 74.59x to 62.66x, indicating a lower assumed multiple on projected earnings.

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Key Takeaways

Robust user growth, tech innovation, and regulatory trends are strengthening CoStar's role as an industry standard, supporting sustainable pricing and expanding profit margins.
Major investments in residential real estate, international expansion, and advanced analytics are unlocking new revenue streams and accelerating long-term growth opportunities.
Aggressive investments, competitive pressures, and market uncertainties could increase expenses, compress profitability, and drive revenue volatility across key CoStar business segments.

Catalysts

About CoStar Group

Provides information, analytics, and online marketplace services in the United States, Canada, Europe, the Asia Pacific, and Latin America.What are the underlying business or industry changes driving this perspective?

Continued digitalization and demand for high-quality, data-driven real estate platforms are driving significant user growth, engagement, and record net new bookings across CoStar's core and expansion businesses, supporting ongoing double-digit revenue growth and higher recurring earnings.
Market and regulatory trends continue to increase the need for transparency, fee disclosure, and real-time data, solidifying CoStar's role as a trusted industry standard and enabling sustainable pricing power, which should help further margin expansion.
Aggressive investment in the Homes.com platform and rapid sales force expansion are enabling accelerated penetration in residential real estate, opening up a vast addressable market and creating meaningful opportunities for top-line growth and revenue diversification.
Integration of AI-driven features, Matterport's 3D technology, and advanced analytics across platforms is increasing user engagement, enabling higher-value product offerings and upsells, and improving client retention-positioning the company for elevated margins and increased net income over time.
CoStar's international expansion-through acquisitions (Domain in Australia), pan-European offerings, and market share gains-broadens its addressable market and underpins sustained long-term revenue growth and earnings scalability.

CoStar Group Earnings and Revenue Growth

CoStar Group Future Earnings and Revenue Growth

Assumptions

How have these above catalysts been quantified?

Analysts are assuming CoStar Group's revenue will grow by 16.9% annually over the next 3 years.
Analysts assume that profit margins will increase from 3.6% today to 18.6% in 3 years time.
Analysts expect earnings to reach $866.2 million (and earnings per share of $1.49) by about September 2028, up from $104.2 million today.
In order for the above numbers to justify the analysts price target, the company would need to trade at a PE ratio of 66.7x on those 2028 earnings, down from 358.4x today. This future PE is greater than the current PE for the US Real Estate industry at 25.8x.
Analysts expect the number of shares outstanding to grow by 3.34% per year for the next 3 years.
To value all of this in today's terms, we will use a discount rate of 8.4%, as per the Simply Wall St company report.

CoStar Group Future Earnings Per Share Growth

Risks

What could happen that would invalidate this narrative?

The rapid expansion of Homes.com's sales force and aggressive investments in marketing and headcount carry a risk of increased operating expenses outpacing revenue growth if the residential business fails to achieve anticipated adoption and margin improvement, potentially compressing net margins and profitability over time.
Matterport, while integrated into CoStar, is not profitable and its growth rate has slowed; if the B2B pivot, increased investment, and planned global salesforce expansion do not yield expected results, this could be a continued drag on consolidated earnings and limit EBITDA growth.
Competitive threats, particularly from Zillow's aggressive tactics, ongoing lawsuits, antitrust scrutiny, and pricing actions, may increase customer acquisition costs or pressure pricing at Apartments.com, Homes.com, and other segments, creating potential headwinds for revenue and earnings if market share gains are challenged.
The office segment of commercial real estate remains weak due to high vacancies and negative absorption, and while there has been an uptick in transaction volumes, a persistent shift towards remote/hybrid work or a macroeconomic downturn could structurally shrink the CRE market CoStar relies on, negatively impacting long-term revenue growth.
A continued reliance on subscription models and large-scale annual contracts exposes CoStar to risk of elevated churn or lower renewal rates should major economic swings, increased competition, or changes in technology commoditize their data offerings, resulting in revenue volatility and potential earnings disruptions.

Valuation

How have all the factors above been brought together to estimate a fair value?

The analysts have a consensus price target of $97.125 for CoStar Group based on their expectations of its future earnings growth, profit margins and other risk factors. However, there is a degree of disagreement amongst analysts, with the most bullish reporting a price target of $107.0, and the most bearish reporting a price target of just $70.0.
In order for you to agree with the analyst's consensus, you'd need to believe that by 2028, revenues will be $4.7 billion, earnings will come to $866.2 million, and it would be trading on a PE ratio of 66.7x, assuming you use a discount rate of 8.4%.
Given the current share price of $88.14, the analyst price target of $97.12 is 9.3% higher.
We always encourage you to reach your own conclusions though. So sense check these analyst numbers against your own assumptions and expectations based on your understanding of the business and what you believe is probable.

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Disclaimer

AnalystConsensusTarget is a tool utilizing a Large Language Model (LLM) that ingests data on consensus price targets, forecasted revenue and earnings figures, as well as the transcripts of earnings calls to produce qualitative analysis. The narratives produced by AnalystConsensusTarget are general in nature and are based solely on analyst data and publicly-available material published by the respective companies. These scenarios are not indicative of the company's future performance and are exploratory in nature. Simply Wall St has no position in the company(s) mentioned. Simply Wall St may provide the securities issuer or related entities with website advertising services for a fee, on an arm's length basis. These relationships have no impact on the way we conduct our business, the content we host, or how our content is served to users. The price targets and estimates used are consensus data, and do not constitute a recommendation to buy or sell any stock, and they do not take account of your objectives, or your financial situation. Note that AnalystConsensusTarget's analysis may not factor in the latest price-sensitive company announcements or qualitative material.

Margin Expansion And Platform Momentum Will Drive Strong Returns Ahead