Castle Biosciences (CSTL) Interest Expenses (2018 - 2026)
Castle Biosciences' (CSTL) quarterly Interest Expenses came in at $193000.0 in Q2 2026, up 819.05% year-over-year from $21000.0 in Q2 2025, and up 44.03% quarter-over-quarter from $134000.0 in Q1 2026.
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Analysis
Castle Biosciences (CSTL) Interest Expenses (2018 - 2026) Analysis & Trends
Castle Biosciences has disclosed Interest Expenses across 9 years of filings, most recently posting $193000.0 for Q2 2026.
- In Q2 2026, Interest Expenses rose 819.05% year-over-year to $193000.0; the TTM figure through Jun 2026 stood at $375000.0 (up 13.29% YoY), while the FY2025 annual figure was $86000.0, down 85.1% from the prior year.
- Interest Expenses came in at $193000.0 for Q2 2026 at Castle Biosciences, up from $134000.0 in the prior quarter.
- In the past five years, Interest Expenses ranged from a high of $270000.0 in Q2 2024 to a low of $2000.0 in Q3 2023.
- Average Interest Expenses over 5 years is $56555.6, with a median of $15500.0 recorded in 2024.
- Year-over-year, Interest Expenses soared 9950.0% in 2024 and plunged 92.22% in 2025.
- Over 5 years, Interest Expenses stood at $4000.0 in 2022, then plunged by 50.0% to $2000.0 in 2023, then surged by 4500.0% to $92000.0 in 2024, then plunged by 73.91% to $24000.0 in 2025, then surged by 704.17% to $193000.0 in 2026.
- Per Business Quant data, the three most recent Interest Expenses figures were $193000.0 in Q2 2026, $134000.0 in Q1 2026, and $24000.0 in Q4 2025.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Interest Expense (Qtr) |
|---|---|---|---|---|---|
| 1 | Natera | 53.05 Bn | 51.95 Bn | 486.15 Mn | 890,000.00 |
| 2 | Quest Diagnostics | 27.19 Bn | 26.87 Bn | 1.03 Bn | 68.00 Mn |
| 3 | Labcorp Holdings | 25.93 Bn | 25.81 Bn | 1.11 Bn | 61.10 Mn |
| 4 | Guardant Health | 23.97 Bn | 22.91 Bn | 219.03 Mn | 1.35 Mn |
| 5 | Tempus AI | 13.64 Bn | 12.82 Bn | 274.25 Mn | 10.28 Mn |
| 6 | Caris Life Sciences | 8.47 Bn | 7.68 Bn | 182.38 Mn | 9.23 Mn |
| 7 | Sotera Health | 5.35 Bn | 4.99 Bn | 177.96 Mn | - |
| 8 | BillionToOne | 4.96 Bn | 4.41 Bn | 77.11 Mn | 8,000.00 |
| 9 | Adaptive Biotechnologies | 4.55 Bn | 4.21 Bn | 51.39 Mn | 2.69 Mn |
| 10 | Castle Biosciences | 1.08 Bn | 811.36 Mn | 79.85 Mn | 193,000.00 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 193,000.00 |
| Mar 31, 2026 | 134,000.00 |
| Dec 31, 2025 | 24,000.00 |
| Sep 30, 2025 | 24,000.00 |
| Jun 30, 2025 | 21,000.00 |
| Mar 31, 2025 | 17,000.00 |
| Dec 31, 2024 | 92,000.00 |
| Sep 30, 2024 | 201,000.00 |
| Jun 30, 2024 | 270,000.00 |
| Mar 31, 2024 | 14,000.00 |
| Dec 31, 2023 | 2,000.00 |
| Sep 30, 2023 | 2,000.00 |
| Jun 30, 2023 | 3,000.00 |
| Mar 31, 2023 | 4,000.00 |
| Dec 31, 2022 | 4,000.00 |
| Sep 30, 2022 | 6,000.00 |
| Jun 30, 2022 | 4,000.00 |
| Mar 31, 2022 | 3,000.00 |
| Dec 31, 2021 | 1,000.00 |
| Dec 31, 2020 | 395,000.00 |
API Access
Castle Biosciences Interest Expenses 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=interest-expenses&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "interest-expenses", "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=interest-expenses&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();