Castle Biosciences (CSTL) Interest & Investment Income (2018 - 2026)
Castle Biosciences' Interest & Investment Income came in at $2.36 million for Q2 2026, down 20.0% from $2.94 million a year earlier and down 7.4% from the prior quarter.
Castle Biosciences (CSTL) Interest & Investment Income (2018 - 2026) Analysis & Trends
Over the trailing twelve months to Jun 30, 2026, Castle Biosciences reported Interest & Investment Income of $10.63 million, down 17.1% year-over-year; for FY2025, it came in at $11.77 million, down 8.9% from FY2024.
- Interest & Investment Income carries a five-year compound annual growth rate of 99.4% (FY2020 to FY2025).
- Going back by year, Interest & Investment Income was $12.92 million in FY2024 (+21.6%), $10.62 million in FY2023 (+167.7%), $3.97 million in FY2022 and $68,000 in FY2021 (-81.8%).
- The Q2 2026 figure represents the lowest quarterly Interest & Investment Income since Q1 2023.
- Year-over-year, Interest & Investment Income has declined for five consecutive quarters, with an average decline of 5.1% over the last eight quarters.
- The fastest year-over-year change in Interest & Investment Income over five years came in Q1 2022 (growth of 650.0%), and the weakest in Q2 2026 (a decline of 20.0%).
- Business Quant data shows CSTL's Interest & Investment Income at $2.55 million (Q1 2026), $2.9 million (Q4 2025) and $2.83 million (Q3 2025) in the three quarters before Q2 2026.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Int & Inv Inc (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 102.25 Bn | 101.69 Bn | - | - |
| 2 | Natera | 58.01 Bn | 53.69 Bn | 485.19 Mn | - |
| 3 | Labcorp Holdings | 26.62 Bn | 24.38 Bn | 1.11 Bn | 5.60 Mn |
| 4 | Quest Diagnostics | 26.61 Bn | 24.70 Bn | 1.04 Bn | - |
| 5 | Guardant Health | 22.59 Bn | 18.65 Bn | 219.03 Mn | 10.20 Mn |
| 6 | Tenet Healthcare | 21.62 Bn | 12.76 Bn | - | - |
| 7 | Fresenius Medical Care AG | 12.67 Bn | 5.74 Bn | 1.52 Bn | 17.08 Mn |
| 8 | Encompass Health | 12.25 Bn | 12.72 Bn | - | - |
| 9 | BrightSpring Health Services | 11.87 Bn | 10.21 Bn | 492.75 Mn | - |
| 10 | Castle Biosciences | 1.01 Bn | -106.42 Mn | 79.85 Mn | 2.36 Mn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 2.36 Mn |
| Mar 31, 2026 | 2.55 Mn |
| Dec 31, 2025 | 2.90 Mn |
| Sep 30, 2025 | 2.83 Mn |
| Jun 30, 2025 | 2.94 Mn |
| Mar 31, 2025 | 3.10 Mn |
| Dec 31, 2024 | 3.37 Mn |
| Sep 30, 2024 | 3.40 Mn |
| Jun 30, 2024 | 3.14 Mn |
| Mar 31, 2024 | 3.00 Mn |
| Dec 31, 2023 | 3.12 Mn |
| Sep 30, 2023 | 2.77 Mn |
| Jun 30, 2023 | 2.40 Mn |
| Mar 31, 2023 | 2.34 Mn |
| Dec 31, 2022 | 2.28 Mn |
| Sep 30, 2022 | 1.29 Mn |
| Jun 30, 2022 | 370,000.00 |
| Mar 31, 2022 | 30,000.00 |
| Dec 31, 2021 | 17,000.00 |
| Sep 30, 2021 | 23,000.00 |
Castle Biosciences Interest & Investment Income 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-and-investment-income&ticker=CSTL&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "interest-and-investment-income", "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-and-investment-income&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();