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Castle Biosciences, Inc. (CSTL) 10-Year Financial Performance & Capital Metrics

CSTL • • Industrial / General
HealthcareDiagnostics & ResearchCancer Diagnostics & Oncology TestingCancer Genomic Profiling
AboutCastle Biosciences, Inc., a commercial-stage diagnostics company, focuses to provide diagnostic and prognostic testing services for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma. The company also offers DecisionDx-UM test, a proprietary GEP test that predicts the risk of metastasis for patients with uveal melanoma, a rare eye cancer; DecisionDx-SCC, a proprietary 40-gene expression profile test that uses an individual patient's tumor biology to predict individual risk of squamous cell carcinoma metastasis for patients with one or more risk factors; and DecisionDx DiffDx-Melanoma and myPath Melanoma, a proprietary GEP test to diagnose suspicious pigmented lesions. It offers test services through physicians and their patients. The company was founded in 2007 and is headquartered in Friendswood, Texas.Show more
  • Revenue $332M +51.1%
  • EBITDA $25M +144.3%
  • Net Income $18M +131.7%
  • EPS (Diluted) 0.62 +129.0%
  • Gross Margin 81.87% +2.9%
  • EBITDA Margin 7.43% +129.3%
  • Operating Margin 2.61% +108.4%
  • Net Margin 5.49% +121.0%
  • ROE 4.31% +129.6%
  • ROIC 1.94% +111.4%
  • Debt/Equity 0.06 +47.5%
  • Interest Coverage 15.03 +100.2%
Technical Analysis

Key Insights

Based on financial data analysis

✓Strengths

  • ✓Company is almost debt free
  • ✓Strong 5Y profit CAGR of 28.2%
  • ✓Strong Piotroski F-Score: 7/9
  • ✓Momentum leader: RS Rating 91 (top 9%)
  • ✓High quality earnings: Operating CF exceeds net income
  • ✓Strong 5Y sales CAGR of 45.0%

✗Weaknesses

No significant weaknesses identified

* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.

Price & Volume

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Growth Metrics

Revenue CAGR

10Y-
5Y44.97%
3Y52.25%
TTM10.15%

Profit (Net Income) CAGR

10Y-
5Y28.16%
3Y-
TTM-301.42%

EPS CAGR

10Y-
5Y-
3Y-
TTM-322.66%

ROCE

10Y Avg-38.29%
5Y Avg-8.74%
3Y Avg-10.62%
Latest1.95%

Peer Comparison

Cancer Genomic Profiling
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Sector-Specific
NameMarket CapCurrent PriceP/E RatioRevenue Growth 1YNet MarginROEFCF YieldDebt/Equity
CSTLCastle Biosciences, Inc.1.19B40.7565.7351.09%-3.56%-2.62%3.07%0.06
MYNZMainz Biomed B.V.10.78M1.19-0.05-0.17%-24.92%-6.63%0.54
BNRBurning Rock Biotech Limited301.02M33.32-0.99-4.02%-22.48%-22.06%0.09
MDXHMDxHealth S.A.190.56M3.71-3.2028.29%-40.43%-345.31%4.05
PSNLPersonalis, Inc.853.41M9.61-7.0115.15%-106.92%-43.1%0.22
EXASExact Sciences Corporation19.44B102.34-18.3110.37%-32.01%-39.44%0.38%1.15

Profit & Loss

Dec 2017Dec 2018Dec 2019Dec 2020Dec 2021Dec 2022Dec 2023Dec 2024
Sales/Revenue+13.75M22.79M51.87M62.65M94.08M137.04M219.79M332.07M
Revenue Growth %-0.66%1.28%0.21%0.5%0.46%0.6%0.51%
Cost of Goods Sold+4.92M5.3M7.31M9.69M15.82M32.01M44.98M60.2M
COGS % of Revenue0.36%0.23%0.14%0.15%0.17%0.23%0.2%0.18%
Gross Profit+8.83M17.49M44.55M52.96M78.26M105.03M174.81M271.86M
Gross Margin %0.64%0.77%0.86%0.85%0.83%0.77%0.8%0.82%
Gross Profit Growth %-0.98%1.55%0.19%0.48%0.34%0.66%0.56%
Operating Expenses+19.73M21.32M37.23M59.51M118.34M177.88M242.78M263.19M
OpEx % of Revenue1.43%0.94%0.72%0.95%1.26%1.3%1.1%0.79%
Selling, General & Admin15.26M16.47M29.84M48.13M86.74M143M180.15M200.05M
SG&A % of Revenue1.11%0.72%0.58%0.77%0.92%1.04%0.82%0.6%
Research & Development4.47M4.85M7.38M13.26M29.65M44.9M53.62M52.04M
R&D % of Revenue0.33%0.21%0.14%0.21%0.32%0.33%0.24%0.16%
Other Operating Expenses163.29K00-1.88M1.96M-10.02M9.01M11.11M
Operating Income+-10.9M-3.84M7.33M-6.54M-40.08M-72.86M-67.98M8.67M
Operating Margin %-0.79%-0.17%0.14%-0.1%-0.43%-0.53%-0.31%0.03%
Operating Income Growth %-0.65%2.91%-1.89%-5.13%-0.82%0.07%1.13%
EBITDA+-10.59M-3.51M7.69M-6.07M-36.67M-62.31M-55.65M24.67M
EBITDA Margin %-0.77%-0.15%0.15%-0.1%-0.39%-0.45%-0.25%0.07%
EBITDA Growth %-0.67%3.19%-1.79%-5.04%-0.7%0.11%1.44%
D&A (Non-Cash Add-back)310.82K323.02K358K472K3.41M10.54M12.33M16M
EBIT-10.71M-4.08M9.92M-7.57M-40.01M-68.89M-57.35M22.14M
Net Interest Income+-1.62M-2.25M-4.26M-2.26M67K3.95M10.61M12.34M
Interest Income26.18K23.51K312K373K68K3.97M10.62M12.92M
Interest Expense1.65M2.27M4.57M2.63M1K17K11K577K
Other Income/Expense-1.46M-2.52M-1.98M-3.66M67K3.95M10.61M12.89M
Pretax Income+-12.36M-6.36M5.35M-10.2M-40.01M-68.9M-57.37M21.56M
Pretax Margin %-0.9%-0.28%0.1%-0.16%-0.43%-0.5%-0.26%0.06%
Income Tax+9.73K8.61K72K84K-8.72M-1.77M101K3.32M
Effective Tax Rate %1%1%0.99%1.01%0.78%0.97%1%0.85%
Net Income+-12.37M-6.37M5.28M-10.28M-31.29M-67.14M-57.47M18.25M
Net Margin %-0.9%-0.28%0.1%-0.16%-0.33%-0.49%-0.26%0.05%
Net Income Growth %-0.49%1.83%-2.95%-2.04%-1.15%0.14%1.32%
Net Income (Continuing)-12.37M-6.37M5.28M-10.28M-31.29M-67.14M-57.47M18.25M
Discontinued Operations00000000
Minority Interest00000000
EPS (Diluted)+-1.26-0.60-0.21-0.54-1.24-2.58-2.140.62
EPS Growth %-0.52%0.65%-1.57%-1.3%-1.08%0.17%1.29%
EPS (Basic)-1.26-0.600.35-0.54-1.24-2.58-2.140.66
Diluted Shares Outstanding9.78M10.65M8.66M18.93M25.14M26.05M26.8M29.25M
Basic Shares Outstanding9.78M10.65M8.58M18.93M25.14M26.05M26.8M27.78M
Dividend Payout Ratio--------

Balance Sheet

Dec 2017Dec 2018Dec 2019Dec 2020Dec 2021Dec 2022Dec 2023Dec 2024
Total Current Assets+6.68M18.13M116.68M429.59M353.74M292.29M295.63M360.15M
Cash & Short-Term Investments1.21M4.48M98.84M409.85M329.63M258.63M243.1M293.13M
Cash Only1.21M4.48M98.84M409.85M329.63M122.95M98.84M119.71M
Short-Term Investments00000135.68M144.26M173.42M
Accounts Receivable4.65M12.09M14.65M12.76M17.28M23.48M38.3M51.22M
Days Sales Outstanding123.46193.67103.0974.3467.0562.5363.6156.3
Inventory304.58K882.23K1.24M2.22M2.02M3.98M7.94M8.13M
Days Inventory Outstanding22.5960.7961.7783.5546.6245.3864.4449.32
Other Current Assets000006.21M6.29M7.67M
Total Non-Current Assets+3.14M4.28M3.06M9.73M108.83M155.04M157.71M171.08M
Property, Plant & Equipment1.47M1.53M2.06M7.1M16.88M26.5M37.74M62.71M
Fixed Asset Turnover9.36x14.90x25.18x8.82x5.57x5.17x5.82x5.30x
Goodwill0000010.69M10.69M10.69M
Intangible Assets40.12K4.17K0088.92M115.66M106.64M95.54M
Long-Term Investments1.56M2.53M000000
Other Non-Current Assets1.63M2.75M1M2.63M3.02M2.2M2.63M2.15M
Total Assets+9.82M22.4M119.75M439.33M462.57M447.33M453.34M531.24M
Asset Turnover1.40x1.02x0.43x0.14x0.20x0.31x0.48x0.63x
Asset Growth %-1.28%4.34%2.67%0.05%-0.03%0.01%0.17%
Total Current Liabilities+5.22M6.74M15.29M20.88M24.89M36.13M47.67M49.39M
Accounts Payable1.12M1.45M1.86M2.1M2.55M4.73M10.27M6.9M
Days Payables Outstanding82.8299.9993.1279.0758.7353.9583.3241.84
Short-Term Debt1M05.83M0000278K
Deferred Revenue (Current)9.73K001000K0000
Other Current Liabilities0706.64K6M10M16.91M25.67M30.69M774K
Current Ratio1.28x2.69x7.63x20.58x14.21x8.09x6.20x7.29x
Quick Ratio1.22x2.56x7.55x20.47x14.13x7.98x6.04x7.13x
Cash Conversion Cycle63.23154.4771.7378.8254.9353.9644.7363.78
Total Non-Current Liabilities+18.87M25.74M19.34M2.76M25.95M12.05M14.4M26.01M
Long-Term Debt17.6M24.5M19.29M00009.74M
Capital Lease Obligations00007.02M11.62M14.2M14.66M
Deferred Tax Liabilities0000635K428K206K1.61M
Other Non-Current Liabilities1.27M1.24M55K1.03M18.29M000
Total Liabilities24.09M32.47M34.63M23.64M50.83M48.18M62.07M75.4M
Total Debt+18.6M24.5M25.12M08.2M13.4M15.34M26.34M
Net Debt17.39M20.02M-73.72M-409.85M-321.43M-109.55M-83.51M-93.36M
Debt / Equity--0.30x-0.02x0.03x0.04x0.06x
Debt / EBITDA--3.27x----1.07x
Net Debt / EBITDA---9.59x-----3.79x
Interest Coverage-6.61x-1.69x1.60x-2.48x-40079.00x-4285.59x-6179.73x15.03x
Total Equity+-14.27M-10.07M85.11M415.69M411.74M399.15M391.27M455.83M
Equity Growth %-0.29%9.45%3.88%-0.01%-0.03%-0.02%0.17%
Book Value per Share-1.46-0.959.8321.9616.3815.3214.6015.58
Total Shareholders' Equity-14.27M-10.07M85.11M415.69M411.74M399.15M391.27M455.83M
Common Stock1.9K1.92K17K25K25K27K27K28K
Retained Earnings-51.12M-57.49M-52.21M-62.5M-93.77M-160.91M-218.37M-200.13M
Treasury Stock-809.6K-2.42M000000
Accumulated OCI-638.47K-909.38K000-381K136K230K
Minority Interest00000000

Cash Flow

Dec 2017Dec 2018Dec 2019Dec 2020Dec 2021Dec 2022Dec 2023Dec 2024
Cash from Operations+-12.23M-12.29M7.01M9.87M-18.98M-41.66M-5.63M64.87M
Operating CF Margin %-0.89%-0.54%0.14%0.16%-0.2%-0.3%-0.03%0.2%
Operating CF Growth %--0%1.57%0.41%-2.92%-1.19%0.86%12.53%
Net Income-12.37M-6.37M5.28M-10.28M-31.29M-67.14M-57.47M18.25M
Depreciation & Amortization310.82K323.02K358K472K3.41M10.54M12.33M16M
Stock-Based Compensation108.7K293.64K1.25M8.31M21.74M36.32M51.22M50.32M
Deferred Taxes-163.29K272.42K-2.28M0-8.74M-1.88M-223K1.4M
Other Non-Cash Items520.23K542.37K2.37M2.22M0-19.5M-4.86M-6.97M
Working Capital Changes-640.51K-7.36M44K9.15M-4.1M-7K-6.63M-14.13M
Change in Receivables-428.21K-8.41M-896K1.66M-4.63M-6.22M-14.93M-12.64M
Change in Inventory-115.56K-577.66K-355K-980K327K-1.68M-3.96M-193K
Change in Payables370.9K197.25K557K169K-182K582K5.71M-4.37M
Cash from Investing+-494.85K-277.04K-937K-4.75M-66.66M-166.54M-16.18M-50.14M
Capital Expenditures-494.85K-277.04K-937K-4.75M-3.48M-5.63M-13.62M-28.33M
CapEx % of Revenue0.04%0.01%0.02%0.08%0.04%0.04%0.06%0.09%
Acquisitions--------
Investments--------
Other Investing0003K-63.17M742K13K0
Cash from Financing+8.87M15.84M88.29M305.89M5.42M1.51M-2.3M6.14M
Debt Issued (Net)--------
Equity Issued (Net)--------
Dividends Paid00000000
Share Repurchases--------
Other Financing3.55K01.39M3.21M5.43M1.64M-2.16M-5.78M
Net Change in Cash--------
Free Cash Flow+-12.73M-12.57M6.08M5.11M-22.47M-47.29M-19.25M36.54M
FCF Margin %-0.93%-0.55%0.12%0.08%-0.24%-0.35%-0.09%0.11%
FCF Growth %-0.01%1.48%-0.16%-5.39%-1.1%0.59%2.9%
FCF per Share-1.30-1.180.700.27-0.89-1.81-0.721.25
FCF Conversion (FCF/Net Income)0.99x1.93x1.33x-0.96x0.61x0.62x0.10x3.56x
Interest Paid01.64M2.21M1.98M1K16K11K434K
Taxes Paid0160K150K102K16K120K198K2.5M

Key Ratios

Metric20172018201920202021202220232024
Return on Equity (ROE)--14.06%-4.11%-7.56%-16.56%-14.54%4.31%
Return on Invested Capital (ROIC)-262.06%-44.02%51.5%-56.96%-62.53%-28.77%-17.07%1.94%
Gross Margin64.21%76.75%85.91%84.54%83.18%76.64%79.53%81.87%
Net Margin-89.93%-27.94%10.17%-16.42%-33.26%-48.99%-26.15%5.49%
Debt / Equity--0.30x-0.02x0.03x0.04x0.06x
Interest Coverage-6.61x-1.69x1.60x-2.48x-40079.00x-4285.59x-6179.73x15.03x
FCF Conversion0.99x1.93x1.33x-0.96x0.61x0.62x0.10x3.56x
Revenue Growth-65.67%127.62%20.79%50.18%45.65%60.38%51.09%

Revenue by Segment

2021202220232024
Dermatologic85.75M124.81M183.38M257M
Dermatologic Growth-45.54%46.92%40.15%
Service, Other8.33M12.23M--
Service, Other Growth-46.78%--

Frequently Asked Questions

Valuation & Price

Castle Biosciences, Inc. (CSTL) has a price-to-earnings (P/E) ratio of 65.7x. This suggests investors expect higher future growth.

Growth & Financials

Castle Biosciences, Inc. (CSTL) reported $343.5M in revenue for fiscal year 2024. This represents a 2398% increase from $13.8M in 2017.

Castle Biosciences, Inc. (CSTL) grew revenue by 51.1% over the past year. This is strong growth.

Castle Biosciences, Inc. (CSTL) reported a net loss of $12.2M for fiscal year 2024.

Dividend & Returns

Castle Biosciences, Inc. (CSTL) has a return on equity (ROE) of 4.3%. This is below average, suggesting room for improvement.

Castle Biosciences, Inc. (CSTL) generated $25.4M in free cash flow for fiscal year 2024. Positive FCF indicates the company can fund dividends, buybacks, or reinvestment.

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