Korro Bio (KRRO) Return on Sales [ROS] (2019 - 2026)
Korro Bio's Return on Sales [ROS] was -4625.48% in Q2 2026, down 2762.33 percentage points from -1863.15% a year earlier and down 1573.14 percentage points from the prior quarter.
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Analysis
Korro Bio (KRRO) Return on Sales [ROS] (2019 - 2026) Analysis & Trends
For FY2025, Return on Sales [ROS] at Korro Bio came in at -1906.37%, up 2140.75 percentage points from FY2024.
- Return on Sales [ROS] shows a five-year change of -1831.88 percentage points (FY2020 to FY2025).
- In earlier years, Return on Sales [ROS] was -4047.12% in FY2024 and -597.32% in FY2021 (-522.83 pp).
- The Q2 2026 figure marks the lowest quarterly Return on Sales [ROS] in data going back to Q3 2019.
- Compared with a year earlier, Return on Sales [ROS] has declined for three straight quarters.
- Per Business Quant data, KRRO's Return on Sales [ROS] in the three quarters before Q2 2026 was -3052.34% (Q1 2026), -3900.62% (Q4 2025) and -1764.86% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | ROS (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,076.25 Bn | 1,044.84 Bn | 19.71 Bn | 51.16% |
| 2 | Johnson & Johnson | 617.18 Bn | 535.70 Bn | 17.26 Bn | 28.21% |
| 3 | AbbVie | 464.58 Bn | 437.73 Bn | 12.70 Bn | 37.86% |
| 4 | Merck | 356.04 Bn | 310.47 Bn | 12.21 Bn | -3.52% |
| 5 | Novartis Ag | 269.07 Bn | 224.94 Bn | 11.24 Bn | 32.97% |
| 6 | Astrazeneca | 243.21 Bn | 216.77 Bn | 12.86 Bn | 20.57% |
| 7 | Amgen | 217.88 Bn | 173.28 Bn | 7.24 Bn | 34.95% |
| 8 | Gilead Sciences | 179.62 Bn | 153.74 Bn | 6.22 Bn | -133.21% |
| 9 | Pfizer | 158.45 Bn | 105.40 Bn | 10.94 Bn | 28.37% |
| 10 | Korro Bio | 141.76 Mn | -254.88 Mn | - | -4,625.48% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -4,625.48% |
| Mar 31, 2026 | -3,052.34% |
| Dec 31, 2025 | -3,900.62% |
| Sep 30, 2025 | -1,764.86% |
| Jun 30, 2025 | -1,863.15% |
| Mar 31, 2025 | -981.18% |
| Dec 31, 2024 | -1,014.53% |
| Mar 31, 2022 | -924.82% |
| Dec 31, 2021 | -597.32% |
| Sep 30, 2021 | -303.73% |
| Jun 30, 2021 | -185.65% |
| Mar 31, 2021 | -434.29% |
| Dec 31, 2020 | -103.29% |
| Sep 30, 2020 | -48.17% |
| Jun 30, 2020 | -72.74% |
| Mar 31, 2020 | -77.85% |
| Dec 31, 2019 | -137.78% |
| Sep 30, 2019 | -5.17% |
API Access
Korro Bio Return on Sales [ROS] 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=return-on-sales-%5Bros%5D&ticker=KRRO&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "return-on-sales-[ros]", "ticker": "KRRO", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=return-on-sales-%5Bros%5D&ticker=KRRO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();