StockVS

NASDAQ · Biotechnology · USD

Korsana Biosciences, Inc. (KRSA) Stock Analysis

Korsana Biosciences, Inc. (KRSA) is a Biotechnology stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

KRSA

$32.54

+$1.51 (+4.87%)

Oct 21, 2026 · Market close

Compare

Price History

Hover for the daily close. The dotted line marks the period open.

Compare KRSA with… →

KRSA Key Statistics

As of Oct 21, 2026
Trading
Open
$30.02
Previous Close
$31.03
Day's Range
29.78–32.75
52-Week Range
7.19–59.36
Volume
129.77K
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
1.73
Valuation
Market Cap
$1.48B
P/E Ratio
unprofitable
EPS (ttm)Profit attributable to each share over the last twelve months.
−7.07
Financials (FY)
Revenue (FY)
$0.00
Net Income (FY)
−$35.64M
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
45.54M
1-Year Return
+115.21%
Dividend and dates
Avg Volume
50.63K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, KRSA closed at $32.54, +115.21% over 1 year.

Korsana Biosciences, Inc. (KRSA) has a market capitalization of $1.48B.

In fiscal 2025, KRSA reported revenue of $0.00.

KRSA Stock Return by Calendar Year

Korsana Biosciences, Inc. (KRSA) return since Mar 2019: what $10,000 became

1 year
$10,000 $21,521
+115.21%
5 years
$10,000 $833
−91.67%
Since Mar 2019
$10,000 $186
−98.14%

If you had invested $10,000 in Korsana Biosciences, Inc. (KRSA) at the close on March 18, 2019, the earliest close on record here, it would have been worth $186 at the close on October 21, 2026: −98.14% in total, −40.83% a year, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)+266.03%
2025−60.56%
2024−3.88%
2023−74.47%
2022−61.86%
2021−43.79%
2020+12.50%
2019 (partial year)−78.24%

As of October 21, 2026.

KRSA Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$0.00−$35.64M—
2024$0.00−$88.00K—
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$0.00—−$37.29M−$35.64M—
2024$0.00—−$109.00K−$88.00K—

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

Recent News

All 7 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

The market values Korsana Biosciences, Inc. (KRSA) at $1.48B. The company sits in the Healthcare sector, in the Biotechnology industry. Headcount on file is 19.

The 52-week range on file runs from $7.19 to $59.36. The most recent close on file for KRSA is $32.54, dated October 21, 2026. That is +$1.51 (+4.87%) against the previous close. The latest close sits 352.64% above that 52-week low.

Financial Health

In fiscal 2025, Korsana Biosciences, Inc. reported revenue of $0.00. The same year closed with a net loss of $35.64M. Earnings per share on a trailing basis come to −7.07.

Valuation Assessment

No trailing P/E applies: the last reported earnings figure is negative.

Beta against the wider market is reported at 1.73. Daily returns over the trailing 7 years annualize to a volatility of 206.59%. Over the trailing twelve months the total return is +115.21%. Measured over 5 years, that is −39.17% a year compounded.

Growth & Income

No dividend is on file for KRSA.

So far in 2026 the total return is +266.03%. The strongest complete calendar year on file is 2020 at +12.50%; the weakest is 2023 at −74.47%. Of the 6 complete calendar years on file, 1 finished higher.

Peer Comparison

Korsana Biosciences, Inc. (KRSA) operates in the Biotechnology industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Korsana Biosciences, Inc. KRSA $1.48B —
Vertex Pharmaceuticals Incorporated VRTX $132.95B 30.4
Moderna, Inc. MRNA $98.14B —
Regeneron Pharmaceuticals, Inc. REGN $82.95B 19.9

The Biotechnology industry average P/E ratio is 16.6x. Korsana Biosciences, Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

Related Biotechnology Stocks

View all Biotechnology stocks →

Popular Healthcare Stocks

View all Healthcare stocks →

About Korsana Biosciences, Inc.

Korsana Biosciences, Inc. develops therapeutic antibodies for the treatment of neurodegenerative diseases. The company has developed Therapeutic Targeting (THETA), a blood-brain barrier-penetrant shuttle platform designed to enhance central nervous system exposure of investigational therapies and enable delivery of large therapeutic molecules across the blood-brain barrier into the central nervous system. The company advances a pipeline of THETA-enabled therapeutics with an initial focus on neurodegenerative disorders. Its lead product candidate is KRSA-028, an anti-amyloid beta antibody for the treatment of Alzheimer's disease, which combines the THETA platform with elements of anti-amyloid beta approaches and targets a clinically relevant form of amyloid beta designed to improve brain uptake while reducing effects on reticulocytes. The company is also advancing a pipeline of additional THETA-enabled therapies for other neurodegenerative diseases. Korsana Biosciences, Inc. was incorporated in 2024 and is based in Waltham, Massachusetts.

Visit website →