Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Korsana Biosciences, Inc. before investing.

In this article, we go over a few key elements for understanding Korsana Biosciences, Inc.’s stock price such as:

• Korsana Biosciences, Inc.’s current stock price and volume
• Why Korsana Biosciences, Inc.’s stock price changed recently
• Upgrades and downgrades for KRSA from analysts
• KRSA’s stock price momentum as measured by its relative strength

About Korsana Biosciences, Inc. (KRSA)

Before we jump into Korsana Biosciences, Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

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.

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Korsana Biosciences, Inc.’s Stock Price as of Market Close

As of October 16, 2026, 4:00 PM, CST, Korsana Biosciences, Inc.’s stock price was $32.380.

Korsana Biosciences, Inc. is down 3.77% from its previous closing price of $33.650.

During the last market session, Korsana Biosciences, Inc.’s stock traded between $32.070 and $33.810. Currently, there are approximately 5.00 million shares outstanding for Korsana Biosciences, Inc..

Korsana Biosciences, Inc.’s trailing earnings per share are negative, so the stock does not have a meaningful P/E ratio. We suggest investors evaluate other financial metrics to understand its overall valuation.

Korsana Biosciences, Inc. Stock Price History

Korsana Biosciences, Inc.’s (KRSA) price is currently up 1.19% so far this month.

During the month of October, Korsana Biosciences, Inc.’s stock price has reached a high of $35.340 and a low of $29.500.

Over the last year, Korsana Biosciences, Inc. has hit prices as high as $59.360 and as low as $7.186.

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What Caused Korsana Biosciences, Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of October 16, 2026, there were analysts who downgraded Korsana Biosciences, Inc.’s stock and analysts who upgraded over the last month.

Additionally, you'll want to evaluate Korsana Biosciences, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Korsana Biosciences, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Learn how to evaluate stocks with AAII Grades and Scores with A+ Investor today.

Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Korsana Biosciences, Inc. (KRSA) by visiting AAII Stock Evaluator.

Relative Price Strength of Korsana Biosciences, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of October 16, 2026, Korsana Biosciences, Inc. has a weighted four-quarter relative price strength of 27.03%, which translates to a Momentum Score of 97 and is considered to be Very Strong.

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Korsana Biosciences, Inc. Stock Price: Bottom Line

As of October 16, 2026, Korsana Biosciences, Inc.’s stock price is $32.380, which is down 3.77% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Korsana Biosciences, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.