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Korro Bio, Inc. (KRRO) stock

KRRONasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 5/30
$14.31−0.10 (-0.69%)

Close on Nov 12, 2026Market cap $210.72MP/E –Yield –

Korro Bio statistics

71 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings
Mar 11, 2027 (estimated, after the close)
Last ex-dividend date
No dividends
Fundamentals through
Sep 30, 2026
Share price as of
Nov 12, 2026

Valuation ratiosIndustry

Market Cap
$210.72M
$280.48M
Enterprise Value
$105.73M
$148.62M
PS Ratio
163.10
3.60

Enterprise valuationIndustry

EV / Sales
81.83
2.60

Share statisticsIndustry

Shares Change (YoY)
50.5%
10.9%
Shares Change (QoQ)
-6.66%
0.51%
Float
11M
49M
Shares Held by Insiders
27.5%
12.1%
Shares Held by Institutions
102.4%
56.4%

Short sellingIndustry

Short Interest
2M
–
Short Interest Change
0.94%
-0.76%
Short % of Float
16.4%
9.04%
Short % of Shares Outstanding
11.9%
6.30%
Days to Cover
8.18
5.13

Stock price statisticsIndustry

52-Week High
$33.91
–
52-Week Low
$5.20
–
20-Day Moving Average
$13.25
–
50-Day Moving Average
$11.82
–
200-Day Moving Average
$12.17
–
Average True Range (14)
$1.37
–
Price Change (1 Week)
-2.85%
1.51%
Price Change (1 Month)
61.1%
-2.35%
Price Change (3 Months)
7.76%
-21.1%
Price Change (6 Months)
29.2%
-22.6%
Price Change (YTD)
78.7%
-22.6%
Price Change (1 Year)
-56.4%
-20.7%
Price Change (3 Years)
-71.8%
-27.4%
Price Change (5 Years)
-95.4%
-77.3%
Average Volume (10 Days)
235,802
–
Average Volume (20 Days)
230,519
–
Average Volume (90 Days)
172,179
–
Relative Volume
1.19
0.79
Relative Strength Index (14)
57.0
44.7
Volatility (1 Year)
118.6%
80.4%
Beta (5 Years)
2.09
1.07

MarginsIndustry

Operating Margin
-8467.3%
-38.7%
Pretax Margin
-8129.4%
-11.8%
Profit Margin
-8214.5%
-32.0%
EBITDA Margin
-8467.3%
-27.7%
FCF Margin
-4943.8%
-9.20%

Returns on capitalIndustry

Return on Assets (ROA)
-68.5%
-40.6%
Return on Capital Employed (ROCE)
-82.1%
-38.0%

Financial positionIndustry

Current Ratio
7.30
3.30
Quick Ratio
7.04
2.42

GrowthIndustry

Revenue Growth (YoY)
-82.5%
7.01%
Revenue Growth (5Y CAGR)
-29.6%
6.41%

EfficiencyIndustry

Asset Turnover
0.01
0.40
Revenue Per Employee
$22.28K
$429.29K
Profits Per Employee
-$1.83M
-$683.67K
Employee Count
58
75
WACC
15.4%
10.1%

Income statement (TTM)Industry

Revenue
$1.29M
$66.37M
Operating Income
-$109.40M
-$20.99M
Pretax Income
-$105.03M
-$13.23M
Net Income
-$106.13M
-$21.61M
EBITDA
-$109.40M
-$16.85M
EPS (Diluted)
-$9.06
-$0.75

Balance sheetIndustry

Net Cash (Debt)
$104.99M
$17.46M
Net Cash Per Share
$7.13
$0.72
Working Capital
$94.01M
$79.47M

Cash flow (TTM)Industry

Operating Cash Flow
-$63.71M
-$12.27M
Capital Expenditures
-$169.00K
-$944.00K
Free Cash Flow
-$63.87M
-$18.20M
FCF Per Share
-$4.34
-$0.42

Dividends and yieldsIndustry

Earnings Yield
-50.4%
-20.8%
FCF Yield
-30.3%
-9.58%

Taxes and interestIndustry

Income Tax
$1.10M
$74.00K

Scores and fair valueIndustry

Altman Z-Score
-3.71
0.30
Piotroski F-Score
2
4

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

PeriodKRROS&P 500DifferenceKRRO per yearS&P 500 per year
1 month+52.7%-2.7%+55.4 pts
3 months+7.2%-1.7%+8.9 pts
Year to date+78.7%+11.9%+66.8 pts
1 year-54.5%+12.0%−66.4 pts
3 years-66.4%+78.2%−144.5 pts-30.4%+21.2%
5 years-95.4%+73.2%−168.7 pts-46.0%+11.6%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

2M KRRO shares were sold short on Oct 30, 2026, up 0.9% from the previous report, or 16.39% of the shares available to trade. At recent volumes it would take 8.2 days to buy them back. Over the last 20 sessions, 66.6% of the volume reported to FINRA was short selling.

Settlement dateShares shortChangeAvg. daily volumeDays to cover
Oct 30, 20261,749,169+0.9%213,9018.2
Oct 15, 20261,732,855+3.4%179,9869.6
Sep 30, 20261,675,219+7.9%255,6286.5
Sep 15, 20261,551,984+4.6%130,31211.9
Aug 31, 20261,483,705-1.9%71,16520.9
Aug 14, 20261,511,713+5.1%105,84314.3
Jul 31, 20261,438,506-1.4%157,0169.2
Jul 15, 20261,459,180-14.4%229,5226.4
Jun 30, 20261,705,061+29.2%367,1774.6
Jun 15, 20261,319,658+4.3%144,4479.1
May 29, 20261,265,439+5.9%166,4587.6
May 15, 20261,194,496+6.9%104,31211.4

Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.

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