Quick Answer
Korro Bio, Inc. reported R&D Expense of $65.58 million for fiscal year 2025.
Korro Bio, Inc. R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $65.58M | +3.0% |
| 2024 | $63.64M | +11.2% |
| 2023 | $57.25M | +35.7% |
| 2022 | $42.20M | -30.7% |
| 2021 | $60.92M | +62.8% |
| 2020 | $37.41M | +99.2% |
| 2019 | $18.78M | +58.1% |
| 2018 | $11.88M | -0.7% |
| 2017 | $11.97M | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $13.82M | -13.4% | -34.3% |
| June 30, 2025 | $21.03M | +22.7% | +6.5% |
| March 31, 2025 | $19.74M | +45.4% | +23.6% |
| September 30, 2024 | $15.96M | +14.0% | -6.9% |
| June 30, 2024 | $17.14M | +30.6% | +26.3% |
| March 31, 2024 | $13.57M | -7.6% | -3.1% |
| September 30, 2023 | $14.01M | +19.6% | +6.7% |
| June 30, 2023 | $13.13M | -1.1% | -10.7% |
- Korro Bio, Inc. showed an increase of +3.0% in R&D Expense compared to the prior fiscal year.
- Over the 2017–2025 period, Korro Bio, Inc.’s r&d expense has grown by 448.0% (from $11.97 million to $65.58 million).
- The most recent figure is from Korro Bio, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 12, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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