Korsana Biosciences closed at $31.66 on Nov 2, up 5.04%, 14.9% below its highest close since Sep 11. Volume of 197.5K shares was 1.32× its 20-day average (above normal).
Split-adjusted performance: +3.8% over one month.
Short interest was 23.8K shares at the Oct 15 settlement, up 106.1% from the prior report (1.0% of float, 1.0 days to cover).
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Quick answers
What does Korsana Biosciences do?
Korsana Biosciences Inc is a biopharmaceutical company developing therapeutics to treat neurodegenerative diseases beginning with Alzheimer's disease (AD. The company's flagship product candidate, KRSA-028, is an anti-amyloid beta antibody that combines the proprietary Therapeutic Targeting (THETA) platform with well-validated aspects from other anti-Ab products that have achieved regulatory approval or are in late-stage clinical trials.
What is KRSA's market cap?
$1.44B, based on the Nov 2 close of $31.66.
How much of KRSA is sold short?
23.8K shares, 1.0% of float, as of Oct 15, 2026.
What sector is KRSA in?
Healthcare, in the Pharmaceuticals industry.
About Korsana Biosciences
Korsana Biosciences Inc is a biopharmaceutical company developing therapeutics to treat neurodegenerative diseases beginning with Alzheimer's disease (AD. The company's flagship product candidate, KRSA-028, is an anti-amyloid beta antibody that combines the proprietary Therapeutic Targeting (THETA) platform with well-validated aspects from other anti-Ab products that have achieved regulatory approval or are in late-stage clinical trials.
Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology