Castle Biosciences (CSTL) Common Stock Issued (2018 - 2026)
Castle Biosciences' Common Stock Issued came in at $1.82 million for Q3 2026, up 511.1% from $297,000 a year earlier and up 95.0% from the prior quarter.
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Analysis
Castle Biosciences (CSTL) Common Stock Issued (2018 - 2026) Analysis & Trends
Over the trailing twelve months to Sep 30, 2026, Castle Biosciences reported Common Stock Issued of $7.14 million, up 151.8% year-over-year; for FY2025, it was $4.62 million, down 7.5% from FY2024.
- Common Stock Issued carries a five-year compound annual growth rate of -57.5% (FY2020 to FY2025).
- Going back by year, Common Stock Issued was $5 million in FY2024 (+67.8%), $2.98 million in FY2023 (-10.4%), $3.33 million in FY2022 (-49.2%) and $6.55 million in FY2021 (-98.0%).
- The five-year range for quarterly Common Stock Issued is $297,000 (Q3 2025) to $2.81 million (Q4 2025).
- Year-over-year, Common Stock Issued has increased for four consecutive quarters, with growth averaging 92.1% over the last eight quarters.
- The fastest year-over-year change in Common Stock Issued over five years came in Q3 2024 (growth of 512.5%), and the weakest in Q4 2021 (a decline of 99.6%).
- Business Quant data shows CSTL's Common Stock Issued at $931,000 (Q2 2026), $1.59 million (Q1 2026) and $2.81 million (Q4 2025) in the three quarters before Q3 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Stock Issued (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 105.29 Bn | 103.13 Bn | 17.03 Bn | - |
| 2 | Natera | 46.06 Bn | 41.68 Bn | 513.47 Mn | 1.00 Mn |
| 3 | Labcorp Holdings | 30.09 Bn | 28.19 Bn | 1.11 Bn | 49.50 Mn |
| 4 | Quest Diagnostics | 28.58 Bn | 26.66 Bn | 1.04 Bn | 27.00 Mn |
| 5 | Guardant Health | 20.44 Bn | 16.05 Bn | 236.15 Mn | 19.36 Mn |
| 6 | BrightSpring Health Services | 14.16 Bn | 11.04 Bn | 518.55 Mn | 4.84 Mn |
| 7 | Encompass Health | 13.83 Bn | 14.29 Bn | 1.54 Bn | - |
| 8 | Tempus AI | 12.69 Bn | 9.84 Bn | 266.70 Mn | - |
| 9 | Davita | 11.06 Bn | 9.92 Bn | 1.13 Bn | 8.60 Mn |
| 10 | Castle Biosciences | 1.04 Bn | -65.97 Mn | 78.97 Mn | 1.82 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 1.82 Mn |
| Jun 30, 2026 | 931,000.00 |
| Mar 31, 2026 | 1.59 Mn |
| Dec 31, 2025 | 2.81 Mn |
| Sep 30, 2025 | 297,000.00 |
| Jun 30, 2025 | 531,000.00 |
| Mar 31, 2025 | 988,000.00 |
| Dec 31, 2024 | 1.02 Mn |
| Sep 30, 2024 | 2.16 Mn |
| Jun 30, 2024 | 668,000.00 |
| Mar 31, 2024 | 1.15 Mn |
| Dec 31, 2023 | 754,000.00 |
| Sep 30, 2023 | 352,000.00 |
| Jun 30, 2023 | 795,000.00 |
| Mar 31, 2023 | 1.08 Mn |
| Dec 31, 2022 | 838,000.00 |
| Sep 30, 2022 | 467,000.00 |
| Jun 30, 2022 | 724,000.00 |
| Mar 31, 2022 | 1.30 Mn |
| Dec 31, 2021 | 915,000.00 |
API Access
Castle Biosciences Common Stock Issued API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=common-stock-issued&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "common-stock-issued", "ticker": "CSTL", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=common-stock-issued&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();