Korro Bio, Inc. KRRO R2K
Healthcare · Biotechnology · United States
Korro Bio, Inc., a biopharmaceutical company, engages in the discovering, developing, and commercializing of genetic medicines based on editing RNA for the treatment of rare and highly prevalent diseases in the United States. The company's lead product candidate is KRRO-121 for the treatment for hyperammonemia. It uses its RNA editing platform, Oligonucleotide Promoted Editing of RNA to generate differentiated RNA editing product candidates. The company is also developing programs for Parkinson's disease, Amyotrophic lateral sclerosis, severe drug-associated anesthetics, and other pain indications. Korro Bio, Inc. has a collaboration agreement with Novo Nordisk A/S to treat cardiometabolic diseases. Korro Bio, Inc. was founded in 2018 and is based in Cambridge, Massachusetts.
READ MORE ›$13.41
+17.43% 1Y
Market & Price
Market Cap
$193.41M
Current Price
$13.41
High / Low (52W)
$51.36 / $5.28
Beta
2.23
Valuation
Stock P/E
-
Industry PE
23.65
Forward P/E
-
PEG Ratio
-
Book Value
$8.29
Price to Book
1.62
P/S
50.34
EV/EBITDA
-1.54
Dividend Yield
-
Profitability & Returns
ROCE
-85.99%
ROE
-87.78%
ROA
-26.81%
Profit Margin
0.00%
Op Margin
-
EPS (Latest Qtr)
$-1.69
EPS (TTM)
$-11.68
Balance Sheet & Liquidity
Debt/Equity
0.36
Quick Ratio
7.71
Current Ratio
8.13
Debt
$42.88M
Total Assets
$113.51M
Current Assets
$82.37M
Working Capital
$70.44M
Ownership
Promoter Holding
0.91%
Chg in Prom Hold
0.35%
FII / Inst Holding
100.62%
Chg in FII Hold
-
Financial Snapshot
Enterprise Value
$122.32M
Total Revenue (TTM)
$3.84M
EBITDA
$-79.32M
Free Cash Flow
$-39.04M
Operating Cash Flow
$-70.18M
Shares Outstanding
14.42M
Gross Margin
0.00%
Payout Ratio
0.00%
Growth (CAGR)
Revenue 5Y
-
Profit 5Y
-34.02%
Revenue (YoY)
-
Earnings (YoY)
-
PROS
No notable strengths flagged.
CONS
- Earnings shrank at -34.0% CAGR over 5 years.
- Trading 73.9% below its 52-week high.
- In a downtrend (50-DMA below 200-DMA).
* The pros and cons are auto-generated from financial metrics.
Price Chart
Technical Trend
Computed from daily close history using EMA cross, slope, and RSI signals.
Note: intraday data is not stored locally. “Hourly” uses the most recent 10 daily candles as a short-term proxy.
Fundamental Growth
No fundamental data available for this stock.
Figures from the latest reported periods. CAGR is computed across the displayed window (quarterly CAGR is annualised assuming 4 quarters per year).
Peer comparison
Peer companies in the same sector (Healthcare).
| # | Name | CMP $ | P/E | Mkt Cap | Div Yld % | ROCE % | ROE % | Rev CAGR 5Y % | Profit CAGR 5Y % |
|---|---|---|---|---|---|---|---|---|---|
| 1 | KRRO Korro Bio, Inc. R2K | 13.41 | - | $193.41M | - | -85.99% | -87.78% | - | -34.02% |
| 2 | LLY Eli Lilly and Company SPX | 1,105.00 | 39.21 | $985.37B | 0.63% | 38.44% | 107.46% | 31.69% | 48.96% |
| 3 | JNJ Johnson & Johnson SPX | 225.33 | 26.11 | $542.42B | 2.38% | 23.13% | 26.42% | 5.60% | 14.32% |
| 4 | UNH UnitedHealth Group Incorporated SPX | 380.31 | 28.66 | $345.38B | 2.32% | 9.60% | 12.18% | 11.35% | -15.69% |
| 5 | MRK Merck & Co., Inc. SPX | 118.72 | 33.44 | $293.22B | 2.86% | 20.66% | 18.94% | 3.12% | 7.93% |
| 6 | TMO Thermo Fisher Scientific Inc. SPX | 492.51 | 27.11 | $183.03B | 0.38% | 9.17% | 13.52% | -0.27% | -1.19% |
| 7 | AMGN Amgen Inc. NDXSPX | 336.79 | 23.42 | $181.77B | 2.99% | 18.02% | 101.32% | 11.77% | 5.58% |
| 8 | GILD Gilead Sciences, Inc. NDXSPX | 134.43 | 18.29 | $166.90B | 2.44% | 22.92% | 43.36% | 2.57% | 22.83% |
| 9 | ISRG Intuitive Surgical, Inc. NDXSPXAI | 424.64 | 51.53 | $150.39B | - | 15.96% | 17.23% | 17.39% | 29.26% |
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Quarterly Results
Figures in USD.
| Metric | Mar 2018 | Jun 2018 | Sep 2018 | Dec 2018 | Mar 2019 | Jun 2019 | Sep 2019 | Dec 2019 | Mar 2020 | Jun 2020 | Sep 2020 | Dec 2020 | Mar 2021 | Jun 2021 | Sep 2021 | Mar 2022 | Jun 2022 | Sep 2022 | Mar 2023 | Jun 2023 | Sep 2023 | Mar 2024 | Jun 2024 | Sep 2024 | Mar 2025 | Jun 2025 | Sep 2025 | Dec 2025 | Mar 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | - | - | - | - | - | - | 24.24M | 4.71M | 7.26M | 8.52M | 11.25M | 9.95M | 4.65M | 9.42M | 0 | 0 | 0 | 0 | - | - | - | - | - | - | 2.55M | 1.46M | 1.09M | 1.29M | 0 |
| Cost of Revenue | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Gross Profit | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Operating Expenses | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 27.57M | 28.66M | 20.33M | 17.18M | 20.44M |
| Operating Income | - | - | -5.06M | - | -5.92M | -7.02M | -1.25M | - | -5.66M | -6.20M | -5.42M | - | -20.20M | -17.48M | -24.99M | -23.26M | -21.27M | -20.27M | -20.09M | -18.41M | -19.15M | -21.45M | -24.12M | - | -25.02M | -27.20M | -19.24M | -15.88M | -20.44M |
| EBITDA | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -23.80M | -25.98M | -18.06M | -15.23M | -20.06M |
| Interest Expense | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Pretax Income | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -23.39M | -25.77M | -18.06M | -49.41M | -19.53M |
| Tax Provision | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 1.00K | 0 | 636.00K | 95.00K |
| Net Income | -4.15M | -4.44M | -5.14M | -5.45M | -5.83M | -6.85M | -575.00K | -5.49M | -4.91M | -6.03M | -5.34M | -10.23M | -20.38M | -17.66M | -25.16M | -23.39M | -21.29M | -19.55M | -19.61M | -17.65M | -18.49M | -19.56M | -21.83M | - | -23.39M | -25.77M | -18.06M | -50.04M | -19.62M |
| Diluted EPS | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -0.55 | -72.20 | -63.83 | -65.08 | -2.44 | -2.43 | -2.26 | -2.49 | -2.74 | -1.92 | - | -1.69 |
| R&D Expense | - | - | 3.55M | - | 3.45M | 3.92M | 5.22M | - | 6.67M | 8.76M | 10.15M | - | 15.11M | 17.40M | 15.66M | 13.78M | 13.27M | 11.71M | 14.69M | 13.13M | 14.01M | 13.57M | 17.14M | 15.96M | 19.74M | 21.03M | 13.82M | - | 12.95M |
Profit & Loss (Annual)
Figures in USD.
| Metric | Dec 2017 | Dec 2018 | Dec 2019 | Dec 2020 | Dec 2021 | Dec 2022 | Dec 2023 | Dec 2024 | Dec 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Revenue | - | - | 28.95M | 36.98M | - | 0 | 0 | 2.27M | 6.39M |
| Cost of Revenue | - | - | - | - | - | - | - | - | - |
| Gross Profit | - | - | - | - | - | - | - | - | - |
| Operating Expenses | - | - | - | - | - | 59.00M | 84.53M | 94.18M | 93.73M |
| Operating Income | -16.31M | -18.94M | -20.68M | -27.55M | - | -59.00M | -84.53M | -91.91M | -87.34M |
| EBITDA | - | - | - | - | - | -56.49M | -80.90M | -88.34M | -83.06M |
| Interest Expense | - | - | - | - | - | 118.00K | - | - | - |
| Pretax Income | - | - | - | - | - | -58.02M | -81.14M | -83.44M | -116.62M |
| Tax Provision | - | - | - | - | - | 10.00K | 27.00K | 141.00K | 637.00K |
| Net Income | -20.24M | -19.17M | -18.75M | -26.51M | - | -58.03M | -81.17M | -83.58M | -117.26M |
| Diluted EPS | - | - | - | - | -2.74 | -7.25 | -53.08 | -9.37 | - |
| R&D Expense | 11.97M | 11.88M | 18.78M | 37.41M | 60.92M | 42.20M | 57.25M | 63.64M | 65.58M |
Compounded Sales Growth
| 5 Years: | - |
| 1 Year: | - |
Compounded Profit Growth
| 5 Years: | -34.02% |
| 1 Year: | - |
Stock Price Performance
| 1 Year: | +17.43% |
| 6 Months: | +134.03% |
| 3 Months: | +10.55% |
| 1 Month: | +6.34% |
Balance Sheet (Annual)
Figures in USD.
| Metric | Dec 2016 | Dec 2017 | Dec 2018 | Dec 2019 | Dec 2020 | Dec 2021 | Dec 2022 | Nov 2023 | Dec 2023 | Dec 2024 | Dec 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Assets | - | - | 44.55M | 223.22M | 264.72M | - | 73.74M | - | 221.66M | 226.24M | 113.51M |
| Current Assets | - | - | - | - | - | - | 57.08M | - | 172.73M | 131.53M | 82.37M |
| Cash & Equivalents | - | - | 42.19M | 200.16M | 220.34M | - | 36.33M | 36.60M | 166.15M | 55.64M | 21.82M |
| Inventory | - | - | - | - | - | - | - | - | - | - | - |
| Receivables | - | - | - | - | - | - | - | - | 0 | 1.70M | 969.00K |
| Total Liabilities | - | - | 4.12M | 55.86M | 72.23M | - | 172.77M | - | 51.75M | 65.83M | 62.07M |
| Current Liabilities | - | - | 3.77M | 52.78M | 26.63M | - | 8.70M | - | 19.48M | 14.96M | 11.94M |
| Long Term Debt | - | - | 349.00K | 180.00K | - | - | - | - | - | - | - |
| Total Debt | - | - | - | - | - | - | 3.13M | - | 33.21M | 44.77M | 43.49M |
| Total Equity | -9.66M | -29.64M | -48.28M | 167.36M | 192.49M | - | -99.03M | - | 169.91M | 160.41M | 51.44M |
| Shares Outstanding | - | - | - | - | - | - | 8.00M | - | 8.02M | 9.38M | 9.42M |
Cash Flows (Annual)
Figures in USD.
| Metric | Dec 2017 | Dec 2018 | Dec 2019 | Dec 2020 | Dec 2021 | Dec 2022 | Dec 2023 | Dec 2024 | Dec 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Operating Cash Flow | -14.61M | -17.02M | 34.22M | -45.19M | - | -53.65M | -67.28M | -60.07M | -78.56M |
| Investing Cash Flow | -1.86M | -436.00K | -18.26M | 10.40M | - | 11.06M | 11.16M | -123.35M | 43.99M |
| Financing Cash Flow | 27.98M | 41.71M | 142.01M | 56.69M | - | 18.00K | 187.76M | 69.36M | 685.00K |
| Capital Expenditure | -1.86M | -436.00K | -1.06M | -6.67M | - | -5.21M | -7.84M | -17.90M | -518.00K |
| Free Cash Flow | -16.48M | -17.46M | 33.15M | -51.86M | - | -58.86M | -75.12M | -77.98M | -79.08M |
| Net Change in Cash | - | - | - | - | - | -42.57M | 131.64M | -114.07M | -33.88M |
Ratios (Annual)
Figures in %.
| Metric | Dec 2017 | Dec 2018 | Dec 2019 | Dec 2020 | Dec 2021 | Dec 2022 | Dec 2023 | Dec 2024 | Dec 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Gross Margin % | - | - | - | - | - | - | - | - | - |
| Operating Margin % | - | - | -71.4% | -74.5% | - | - | - | -4,047.1% | -1,366.4% |
| Net Margin % | - | - | -64.8% | -71.7% | - | - | - | -3,680.4% | -1,834.5% |
| ROE % | 68.3% | 39.7% | -11.2% | -13.8% | - | 58.6% | -47.8% | -52.1% | -228.0% |
| ROCE % | - | -46.5% | -12.1% | -11.6% | - | -90.7% | -41.8% | -43.5% | -86.0% |
Shareholding Pattern
Insiders
0.91%
Institutions
100.62%
Public Float
101.55%
Top Institutional Holders
| # | Holder | % Held | Shares | Value |
|---|---|---|---|---|
| 1 | Lynx1 Capital Management Lp | 10.67% | 1.54M | $20.63M |
| 2 | NEA Management Company, LLC | 9.00% | 1.30M | $17.40M |
| 3 | Atlas Venture Life Science Advisors, LLC | 7.88% | 1.14M | $15.25M |
| 4 | Balyasny Asset Management LP | 7.21% | 1.04M | $13.95M |
| 5 | Venrock Adviser, LLC | 7.00% | 1.01M | $13.54M |
| 6 | Affinity Asset Advisors, Llc | 4.90% | 706.90K | $9.48M |
| 7 | Nantahala Capital Management, LLC | 4.58% | 660.04K | $8.85M |
| 8 | Adar1 Capital Management, LLC | 3.74% | 540.05K | $7.24M |
| 9 | Blackrock Inc. | 3.19% | 460.01K | $6.17M |
| 10 | Driehaus Capital Management, LLC | 3.12% | 450.05K | $6.04M |
Analyst View
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Analyst aggregate. Targets and ratings update periodically; not investment advice.
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