Castle Biosciences, Inc. (CSTL)
NASDAQ: CSTL · Real-Time Price · USD
39.59
+0.18 (0.44%)
At close: Dec 4, 2025, 4:00 PM EST
39.62
0.00 (0.00%)
Pre-market: Dec 5, 2025, 6:03 AM EST

Castle Biosciences Statistics

Total Valuation

CSTL has a market cap or net worth of $1.16 billion. The enterprise value is $906.05 million.

Market Cap1.16B
Enterprise Value 906.05M

Important Dates

The last earnings date was Monday, November 3, 2025, after market close.

Earnings Date Nov 3, 2025
Ex-Dividend Date n/a

Share Statistics

CSTL has 29.19 million shares outstanding. The number of shares has increased by 1.04% in one year.

Current Share Class 29.19M
Shares Outstanding 29.19M
Shares Change (YoY) +1.04%
Shares Change (QoQ) -1.60%
Owned by Insiders (%) 2.39%
Owned by Institutions (%) 86.03%
Float 26.98M

Valuation Ratios

PE Ratio n/a
Forward PE n/a
PS Ratio 3.31
Forward PS 3.56
PB Ratio 2.47
P/TBV Ratio 3.17
P/FCF Ratio 45.57
P/OCF Ratio 18.72
PEG Ratio n/a
Financial Ratio History

Enterprise Valuation

The stock's EV/EBITDA ratio is 115.73, with an EV/FCF ratio of 35.70.

EV / Earnings n/a
EV / Sales 2.64
EV / EBITDA 115.73
EV / EBIT n/a
EV / FCF 35.70

Financial Position

The company has a current ratio of 6.47, with a Debt / Equity ratio of 0.08.

Current Ratio 6.47
Quick Ratio 6.12
Debt / Equity 0.08
Debt / EBITDA 3.40
Debt / FCF 1.46
Interest Coverage -96.32

Financial Efficiency

Return on equity (ROE) is -2.69% and return on invested capital (ROIC) is -1.91%.

Return on Equity (ROE) -2.69%
Return on Assets (ROA) -1.72%
Return on Invested Capital (ROIC) -1.91%
Return on Capital Employed (ROCE) -2.92%
Revenue Per Employee $451,419
Profits Per Employee -$16,079
Employee Count761
Asset Turnover 0.64
Inventory Turnover 9.05

Taxes

Income Tax -6.68M
Effective Tax Rate n/a

Stock Price Statistics

The stock price has increased by +28.61% in the last 52 weeks. The beta is 1.20, so CSTL's price volatility has been higher than the market average.

Beta (5Y) 1.20
52-Week Price Change +28.61%
50-Day Moving Average 28.98
200-Day Moving Average 22.04
Relative Strength Index (RSI) 78.92
Average Volume (20 Days) 446,211

Short Selling Information

The latest short interest is 1.64 million, so 5.62% of the outstanding shares have been sold short.

Short Interest 1.64M
Short Previous Month 1.55M
Short % of Shares Out 5.62%
Short % of Float 6.09%
Short Ratio (days to cover) 3.82

Income Statement

In the last 12 months, CSTL had revenue of $343.53 million and -$12.24 million in losses. Loss per share was -$0.43.

Revenue343.53M
Gross Profit 274.63M
Operating Income -14.83M
Pretax Income -18.92M
Net Income -12.24M
EBITDA 7.83M
EBIT -14.83M
Loss Per Share -$0.43
Full Income Statement

Balance Sheet

The company has $287.54 million in cash and $37.14 million in debt, giving a net cash position of $250.40 million or $8.58 per share.

Cash & Cash Equivalents 287.54M
Total Debt 37.14M
Net Cash 250.40M
Net Cash Per Share $8.58
Equity (Book Value) 467.05M
Book Value Per Share 16.02
Working Capital 302.26M
Full Balance Sheet

Cash Flow

In the last 12 months, operating cash flow was $61.78 million and capital expenditures -$36.40 million, giving a free cash flow of $25.38 million.

Operating Cash Flow 61.78M
Capital Expenditures -36.40M
Free Cash Flow 25.38M
FCF Per Share $0.87
Full Cash Flow Statement

Margins

Gross margin is 79.94%, with operating and profit margins of -4.32% and -3.56%.

Gross Margin 79.94%
Operating Margin -4.32%
Pretax Margin -5.51%
Profit Margin -3.56%
EBITDA Margin 2.28%
EBIT Margin -4.32%
FCF Margin 7.39%

Dividends & Yields

CSTL does not appear to pay any dividends at this time.

Dividend Per Share n/a
Dividend Yield n/a
Dividend Growth (YoY) n/a
Years of Dividend Growth n/a
Payout Ratio n/a
Buyback Yield -1.04%
Shareholder Yield -1.04%
Earnings Yield -1.06%
FCF Yield 2.19%

Analyst Forecast

The average price target for CSTL is $38.67, which is -2.31% lower than the current price. The consensus rating is "Strong Buy".

Price Target $38.67
Price Target Difference -2.31%
Analyst Consensus Strong Buy
Analyst Count 6
Revenue Growth Forecast (5Y) 6.05%
EPS Growth Forecast (5Y) -14.35%
Stock Forecasts

Fair Value

There are several formulas that can be used to estimate the intrinsic value of a stock.

Lynch Fair Value n/a
Lynch Upside n/a
Graham Number n/a
Graham Upside n/a

Stock Splits

This stock does not have any record of stock splits.

Last Split Date n/a
Split Type n/a
Split Ratio n/a

Scores

CSTL has an Altman Z-Score of 4.8 and a Piotroski F-Score of 2.

Altman Z-Score 4.8
Piotroski F-Score 2