Castle Biosciences (CSTL) Free Cash Flow (2018 - 2026)
Castle Biosciences (CSTL) posted Free Cash Flow of $6.6 million for Q2 2026, up 118.94% sequentially from -$34.6 million in Q1 2026, and down 43.32% YoY from $11.6 million in Q2 2025.
Castle Biosciences (CSTL) Free Cash Flow (2018 - 2026) Analysis & Trends
Castle Biosciences has reported Free Cash Flow for 9 years, with the latest figure at $6.6 million in Q2 2026.
- Quarterly Free Cash Flow fell 43.32% year-over-year to $6.6 million in Q2 2026, while the trailing twelve-month figure through Jun 2026 was -$489000.0 (down 101.42% YoY) and the FY2025 annual result came in at $28.3 million, down 22.48% from the prior year.
- Free Cash Flow rose to $6.6 million in Q2 2026 per CSTL's latest filing, from -$34.6 million in the prior quarter.
- Over five years, Free Cash Flow peaked at $19.7 million in Q4 2025 and troughed at -$34.6 million in Q1 2026.
- A 5-year average of -$1.7 million and a median of -$2.4 million in 2022 frame the typical range for Free Cash Flow.
- The sharpest annual moves came in 2022 and 2024: Free Cash Flow sank 398.33% in 2022, then jumped 563.28% in 2024.
- Over 5 years, Free Cash Flow stood at -$7.8 million in 2022, then surged by 289.98% to $14.8 million in 2023, then grew by 13.55% to $16.8 million in 2024, then climbed by 17.56% to $19.7 million in 2025, then slumped by 66.83% to $6.6 million in 2026.
- According to Business Quant data, Free Cash Flow over the past three periods registered $6.6 million, -$34.6 million, and $19.7 million for Q2 2026, Q1 2026, and Q4 2025 respectively.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Free Cash Flow (Qtr) |
|---|---|---|---|---|---|
| 1 | Thermo Fisher Scientific | 234.15 Bn | 230.09 Bn | 8.34 Bn | 1.68 Bn |
| 2 | Danaher | 152.10 Bn | 147.75 Bn | 3.61 Bn | 1.27 Bn |
| 3 | Natera | 48.48 Bn | 47.38 Bn | 486.15 Mn | -8.64 Mn |
| 4 | Agilent Technologies | 44.35 Bn | 42.55 Bn | 990.00 Mn | 201.00 Mn |
| 5 | Iqvia Holdings | 43.68 Bn | 41.60 Bn | 1.44 Bn | 360.00 Mn |
| 6 | Idexx Laboratories | 43.02 Bn | 42.83 Bn | 779.09 Mn | 322.52 Mn |
| 7 | Illumina | 34.39 Bn | 33.22 Bn | 770.00 Mn | 161.00 Mn |
| 8 | Mettler Toledo International | 28.29 Bn | 28.24 Bn | 650.22 Mn | 282.62 Mn |
| 9 | Labcorp Holdings | 27.51 Bn | 27.37 Bn | 1.11 Bn | 313.90 Mn |
| 10 | Castle Biosciences | 1.04 Bn | 773.13 Mn | 79.85 Mn | 6.55 Mn |
Historic Data
Download Data| Date | Value |
|---|---|
| Jun 30, 2026 | 6.55 Mn |
| Jun 30, 2026 | 6.55 Mn |
| Mar 31, 2026 | -34.58 Mn |
| Mar 31, 2026 | -34.58 Mn |
| Dec 31, 2025 | 19.75 Mn |
| Dec 31, 2025 | 19.75 Mn |
| Sep 30, 2025 | 7.80 Mn |
| Sep 30, 2025 | 7.80 Mn |
| Jun 30, 2025 | 11.56 Mn |
| Jun 30, 2025 | 11.56 Mn |
| Mar 31, 2025 | -10.78 Mn |
| Mar 31, 2025 | -10.78 Mn |
| Dec 31, 2024 | 16.80 Mn |
| Dec 31, 2024 | 16.80 Mn |
| Sep 30, 2024 | 16.96 Mn |
| Sep 30, 2024 | 16.96 Mn |
| Jun 30, 2024 | 18.77 Mn |
| Jun 30, 2024 | 18.77 Mn |
| Mar 31, 2024 | -15.99 Mn |
| Mar 31, 2024 | -15.99 Mn |