Castle Biosciences (CSTL) Price to FCF (2019 - 2026)
Castle Biosciences' (CSTL) quarterly Price to FCF came in at 111.07 in Q2 2026, up 116.93% year-over-year from 51.2 in Q2 2025, and up 616.47% quarter-over-quarter from 21.51 in Q1 2026.
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Castle Biosciences (CSTL) Price to FCF (2019 - 2026) Analysis & Trends
Castle Biosciences has disclosed Price to FCF across 8 years of filings, most recently posting 111.07 for Q2 2026.
- In Q2 2026, Price to FCF rose 116.93% year-over-year to 111.07; the TTM figure through Jun 2026 stood at 1487.99 (down 8784.64% YoY), while the FY2025 annual figure was 40.77, up 96.25% from the prior year.
- Price to FCF came in at 111.07 for Q2 2026 at Castle Biosciences, up from 21.51 in the prior quarter.
- In the past five years, Price to FCF ranged from a high of 177.62 in Q3 2023 to a low of 94.63 in Q3 2022.
- Average Price to FCF over 5 years is 10.21, with a median of 5.54 recorded in 2023.
- Year-over-year, Price to FCF plunged 298.62% in 2022 and surged 287.7% in 2023.
- Over 5 years, Price to FCF stood at 80.27 in 2022, then jumped by 149.81% to 39.98 in 2023, then grew by 13.02% to 45.19 in 2024, then climbed by 29.41% to 58.48 in 2025, then surged by 89.93% to 111.07 in 2026.
- Per Business Quant data, the three most recent Price to FCF figures were 111.07 in Q2 2026, 21.51 in Q1 2026, and 58.48 in Q4 2025.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Natera | 53.05 Bn | 51.95 Bn | 486.15 Mn |
| 2 | Quest Diagnostics | 27.19 Bn | 26.87 Bn | 1.03 Bn |
| 3 | Labcorp Holdings | 25.93 Bn | 25.81 Bn | 1.11 Bn |
| 4 | Guardant Health | 23.97 Bn | 22.91 Bn | 219.03 Mn |
| 5 | Tempus AI | 13.64 Bn | 12.82 Bn | 274.25 Mn |
| 6 | Caris Life Sciences | 8.47 Bn | 7.68 Bn | 182.38 Mn |
| 7 | Sotera Health | 5.35 Bn | 4.99 Bn | 177.96 Mn |
| 8 | BillionToOne | 4.96 Bn | 4.41 Bn | 77.11 Mn |
| 9 | Adaptive Biotechnologies | 4.55 Bn | 4.21 Bn | 51.39 Mn |
| 10 | Castle Biosciences | 1.08 Bn | 811.36 Mn | 79.85 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 111.07 |
| Mar 31, 2026 | -21.51 |
| Dec 31, 2025 | 58.48 |
| Sep 30, 2025 | 85.16 |
| Jun 30, 2025 | 51.20 |
| Mar 31, 2025 | -53.59 |
| Dec 31, 2024 | 45.19 |
| Sep 30, 2024 | 47.04 |
| Jun 30, 2024 | 32.14 |
| Mar 31, 2024 | -38.22 |
| Dec 31, 2023 | 39.98 |
| Sep 30, 2023 | 177.62 |
| Jun 30, 2023 | -46.99 |
| Mar 31, 2023 | -21.07 |
| Dec 31, 2022 | -80.27 |
| Sep 30, 2022 | -94.63 |
| Jun 30, 2022 | -55.46 |
| Mar 31, 2022 | -52.37 |
| Dec 31, 2021 | 40.42 |
| Sep 30, 2021 | -274.18 |
API Access
Castle Biosciences Price to FCF 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=price-to-fcf&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "price-to-fcf", "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=price-to-fcf&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();