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Warren Buffett frameworkThe Owner-OperatorBenjamin Graham frameworkThe Value ArchitectMichael Mauboussin frameworkThe Expectations EngineerHoward Marks frameworkThe Cycle WhispererPeter Lynch frameworkThe Everyday Edge

Market expects only 7.41% growth from an 18.7% grower, creating rare positive expectations gap at 149x earnings.

cautiousLeaning Bullishconviction

CoStar's market-implied 7.41% growth expectation dramatically underestimates its 18.7% actual growth, creating a classic expectations gap despite extreme valuation metrics.

THE LENSES
THE EXPECTATIONS GAPunderestimated

What expectations are embedded in the price, and are they reasonable?

Market implies 7.41% perpetual growth vs 18.7% TTM actual revenue growth
Price trades at $39.98 vs $13.36 DCF valuation, a 199% premium
P/E ratio of 149x sits at 88th percentile over 10 years
Earnings yield of 0.17% vs 4.33% treasury yield creates -4.16% spread

This framework suggests a profound expectations gap exists — the market prices in significant deceleration from 18.7% to 7.41% growth. Despite the extreme 149x P/E multiple, expectations are actually conservative relative to current performance. The 199% DCF premium reflects skepticism about sustainability rather than optimism.

Expectations Gap: DCF vs Market
DCF FAIR VALUE
$13
199% premium
MARKET PRICE
$40
Price implies 7.4% growth · Trailing: 18.7%
ROIC VS COST OF CAPITALdestructive

Is the business creating or destroying value?

ROIC of 0.39% vs WACC of 8.16% in Q4'25 creates -7.77% spread
ROE declined from 22.9% in Q4'22 to 0.67% in Q4'25
Capex intensity surged from 7.5% to 34.7% of revenue in two years
Free cash flow turned negative at -$150.6M despite $162.1M operating cash

Applying this lens reveals severe value destruction with ROIC 777 basis points below cost of capital. The massive capex surge consuming 34.7% of revenue has obliterated returns. This is textbook value-destroying growth where each incremental dollar invested earns far below its cost.

ROIC vs Cost of Capital
BASE RATES AND EXCEPTIONSmixed

Does this company have structural reasons to be an exception?

CoStar Suite maintains 94% renewal rate in Q4'25, up from 93.3%
61.1% revenue concentration in CoStar Suite with switching costs
Gross margin compressed to 73.9%, lowest in company history
Operating margin of 5.5% in Q4'25 vs historical 20-30% range

This framework identifies strong structural advantages through 94% renewal rates and proprietary data network effects. However, the margin compression to historical lows suggests these advantages are being competed away. The base rate for companies with collapsing margins is mean reversion, but the renewal rates suggest some exception potential.

Operating Margin
THE QUALITY OF GROWTHdestructive

Is growth creating or destroying value?

Revenue grew 18.7% TTM while gross margins fell to 73.9% all-time low
Incremental ROIC deeply negative with 0.39% total ROIC vs 8.16% WACC
Reinvestment rate of 34.7% of revenue in Q4'25 vs 7-11% historical
Revenue correlation with CPI of 0.978 suggests pricing-driven growth

Through this lens, growth appears value-destructive despite its 18.7% rate. The 0.978 correlation with inflation indicates growth comes primarily from pricing power rather than volume expansion. With incremental returns far below cost of capital and margins compressing, each dollar of growth destroys shareholder value.

Reinvestment: Capex vs OCF
COMPETITIVE ADVANTAGE PERIODdurable

How long can above-average returns persist?

94% renewal rates improved from 93.3% despite margin pressure
Revenue concentration at 61.1% in CoStar Suite creates lock-in
96.4% geographic concentration in North America limits growth vectors
Zero international expansion despite domestic market maturity

This framework sees a substantial competitive advantage period ahead based on 94% renewals and high switching costs. The improving renewal rate amid margin pressure demonstrates pricing power persistence. Geographic concentration limits growth but reinforces the moat within North America.

Revenue Concentration
4,188
HERFINDAHL INDEX
high
CoStar Suite
61%
LoopNet
17%
Information services
8%
Online Marketplaces
8%
Residential
6%
KEY NUMBERS
VERDICT

Applying the Mauboussin framework reveals a profound expectations gap where the market dramatically underestimates growth potential despite extreme valuation multiples. The 7.41% implied growth versus 18.7% actual creates opportunity, even as value destruction through negative ROIC-WACC spreads poses serious concerns. The framework suggests the market has priced in too much deceleration relative to the company's structural advantages. Does a 94% renewal rate business with pricing power deserve such conservative growth expectations?

This analysis applies Michael Mauboussin's published investment framework to publicly available financial data. It is not authored by, endorsed by, or affiliated with Michael Mauboussin. Educational purposes only. Not financial advice.

OTHER PERSPECTIVES
Peter Lynch framework
The Everyday Edge
Neutral
Warren Buffett framework
The Owner-Operator
Leaning Bearish
Benjamin Graham framework
The Value Architect
Bearish
Howard Marks framework
The Cycle Whisperer
Bearish
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