Castle Biosciences Inc's Competitiveness
A competitive positioning analysis and financial ratio benchmarking of Castle Biosciences Inc (CSTL) against its publicly traded competitors: sales growth, net income, profitability, valuation and market share, plus each peer's market capitalization, revenue, income and employees. Free below: the top 5 peers. Subscriber access adds the full competitor list and CSV downloads.
Key Findings: Castle Biosciences Inc vs Its Competitors
- TTM: Trailing 12-month revenue of 357M vs -M combined for tracked competitors (100.0% combined share).
- Trending: Latest-quarter revenue run-rate is accelerating (+15.9% annualized vs trailing 12 months).
- Scale: Castle Biosciences Inc ranks #23 of 47 companies by market capitalization in the Medical Laboratories industry, holding 0.3% of industry market cap.
- Peer revenue share: Castle Biosciences Inc accounted for 100.0% of combined revenue among its tracked peer group, up from 100.0% a year earlier.
Every figure above is sourced and cited in detail further down this page (Market Structure, Profitability & Cost Structure, Productivity vs Peers).
CSTL Sales vs. its Competitors, Q2 2026
Castle Biosciences Inc generated 100.00 % of the combined sales of its peer group, up from 100.00 % a year earlier.
For context: the Medical Laboratories industry grew revenue 5.7% year over year, combined, vs 20.1% for Castle Biosciences Inc. Castle Biosciences Inc's share of combined industry revenue moved from 0.16% to 0.18%, a gain of 0.02 percentage points.
Castle Biosciences Inc's Competitor Quality Breadth
Share of each group, trailing 12 months: profitable (net margin > 0), expanding (revenue growth > 0), growing faster than the industry's own median, and financially distressed (Piotroski F-Score of 2 or below).
| Entity | Profitable | Expanding | Above Industry Growth | Distressed |
|---|---|---|---|---|
| Castle Biosciences Inc | No | Yes | No | Yes |
| High-Confidence Competitors (6) | ||||
| Similar-Size Competitors (10) | ||||
| Similar Growth & Profitability (8) | 0.00 % (0 of 8) | 50.00 % (4 of 8) | 25.00 % (2 of 8) | 50.00 % (4 of 8) |
Source: CSIMarket API, trailing 12 months. Altman Z-Score is not shown here: it is not populated in the underlying data for any company. Percentages are of companies in each group that report the relevant metric, not of the full group size.
CSTL Stock Performance relative to its Competitors
CSTL Stock Performance relative to High-Confidence Competitors
CSTL Stock Performance relative to Similar-Size Competitors
CSTL Stock Performance relative to Similar Growth & Profitability Competitors
Castle Biosciences Inc's Comment on Competition and Industry Peers
Castle Biosciences Inc's Competitors Named by the Company
Competitive relationships identified from SEC filings and corroborating sources, each with a basis and confidence.| Competitor | Basis | Confidence |
|---|---|---|
| Dermtech Inc | Named by the company | 85% |
| Avero | Named by the company | 85% |
| Myriad Genetics | Named by the company | 85% |
| SkylineDx/Tempus/Quest | Named by the company | 85% |
| AMLo | Named by the company | 85% |
| LabCorp | Named by the company | 85% |
| Quest | Named by the company | 85% |
| Genomi | Named by the company | 85% |
| Neracare | Named by the company | 85% |
| Tempus | Named by the company | 85% |
| AMLo/Avero | Named by the company | 85% |
| Lucid Diagnostics | Named by the company | 85% |
| SkylineDx | Named by the company | 85% |
| Interpace Diagnostics | Named by the company | 85% |
| Previse | Named by the company | 85% |
Filing basis, confidence, active dates and source counts for Castle Biosciences Inc's named competitors require a Commercial License.
Methodology: relationships are extracted from SEC filings (named-competitor disclosures) and corroborating sources. Named by the company = explicitly disclosed as a competitor; Inferred = derived from corroborating signals. Confidence reflects evidence strength.
Castle Biosciences Inc's Business Segment Mix vs Peers
Revenue by operating segment or division, as named and reported by each company. Segment names are the filer's own and are not standardized across companies. Do not assume a same-named or similarly-named segment is defined identically between two companies. Shares are of each company's own total revenue and are not required to sum to 100% (intersegment revenue, unallocated items).| Company | Largest Segment |
|---|---|
| Castle Biosciences Inc | Reportable 100.00 % |
Source: operating segment revenue as reported in each company's SEC filings (10-K/10-Q), via the CSIMarket API, leaf-level reportable segments only (parent roll-up segments are excluded where sub-segments are separately disclosed).