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Company Analysis

Castle Biosciences, Inc. CSTL

A comprehensive view of key metrics, scores, and financial health for Castle Biosciences, Inc.

Overview of Castle Biosciences, Inc.

CSTL NGM
Healthcare Diagnostics & Research Small Cap
Castle Biosciences, Inc. (CSTL), is a Small Cap company, in the Diagnostics & Research industry, last closed at $25.56, about 21.0% overvalued vs fair value, +27.6% 1Y return, ranked 671/1111 in sector.
$25.56
0.95%
As of March 13, 2026
Previous close • Vol 90d: 58.1%
52-Week Range
Market Cap
$759.93M
Enterprise Value
$680.11M
Overall Score
Scores locked

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Top Beats

Quick Facts

Website https://castlebiosciences.com
HQ Friendswood, TX
Employees 823
Fiscal year Dec 31

Next Events

No upcoming events available.

Fair Value Snapshot

Bear Base Bull
$18
$20
$23
Current: $25.56 -21% vs base

Engine Room Money Flow™

Small Cap

Corporate Free Cash Flow - Where revenue goes and how value is created

Flow Steps
Revenue
$344.2M
3.7%%
Gross Profit
$271.9M
55.5%%
Operating Income
$-42.8M
-593.8%%
Net Income
$-24.2M
-232.4%%
Money Flow Bridge
Flow Direction: Money moves from left to right
Components: Breakdown shows composition of each stage
Industry-Specific: Corporate Free Cash Flow

Quality & Reliability Indicators

Cash Conversion Ratio
-151.3%
Poor

FCF / Net Income - measures how well earnings convert to cash

Locked Metric
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Owner's Pocket - Capital Allocation

Total Returned to Shareholders

Combined dividends, buybacks, and debt reduction

$6.8M
18.7% of FCF

Where It Leaks

Cash Flow Health critical
Significant cash flow inefficiencies identified. Multiple high-impact leaks require attention.
5
Active Leaks
1/5
Improving
0
High Impact
3
Critical
Locked Leak
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Locked Leak
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Moat Analysis Corporate Default

Competitive Advantage Assessment

Evaluating Castle Biosciences, Inc.'s durable competitive advantages across 6 defense dimensions

Overall Moat Strength
64
/100
Moderate
Scores based on quantitative metrics and qualitative factors

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Pricing Power

Moderate
62
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Trade-Off Ledger™

Where management spends the performance budget - Growth, Profitability, or Safety

Generic Industrial / Default vs Industry Peers 92% Coverage
Trade-Off Triangle Visualization A ternary plot showing CSTL's balance between Growth (35.6%), Profitability (34.5%), and Safety (29.9%). Growth 36% Safety 30% Profitability 34%

Click axes to expand details. Marker shows current allocation.

3-Year Trend Analysis Locked
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Growth

66th percentile vs peers
66
Key Signals
Revenue CAGR 3Y 35.9% 83p EPS Growth YoY 1.29 94p Rev Growth YoY 3.7% 33p
Strengths
  • Revenue Cagr 3Y in top 20% of peers (35.9%, 83th percentile)
  • Eps Growth Yoy in top 20% of peers (1.29, 94th percentile)
  • Superior capital returns - 2 return metrics above peer median
  • Growth above peer median with strong metric coverage (75%)
Risks

No significant risks identified for this axis.

Profitability

64th percentile vs peers
64
Key Signals
Strengths
Risks
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Safety

55th percentile vs peers
56
Key Signals
Strengths
Safety drilldowns are available to premium members.

Two Futures

Scenario-based fair value ranges for Castle Biosciences, Inc..

Loading valuation model...
Unable to Compute Fair Value

This company cannot be valued using standard models.

What this means: The Scenario Theatre requires financial data (revenue, cash flow, shares outstanding) to calculate fair value estimates. This data may be unavailable for:

  • Recently listed companies (IPOs, SPACs)
  • Shell companies or holding companies
  • Companies that haven't filed recent financials
  • Foreign companies with limited data coverage
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Bear
-
- - -
- upside
-
Base
$20.20
- - -
-21.0% vs current
Snapshot base estimate
Bull
-
- - -
- upside
-
Fair Value Range Current: $-
$- $- $-
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