Korro Bio's Initial Trial Results Disappoint; Shares Reach Record Low
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Nov 13 2025
0mins
Should l Buy NVO?
Source: Benzinga
Stock Performance: Korro Bio, Inc. (NASDAQ: KRRO) experienced a significant decline in stock price, dropping 80% to $6.27, with a trading volume of 6.68 million shares compared to the average of 1.42 million.
Clinical Trial Update: The company reported that its KRRO-110 treatment for alpha-1 antitrypsin deficiency (AATD) produced functional M-AAT protein in patients, but did not meet the expected protein levels based on preclinical data.
Strategic Restructuring: Korro is implementing a workforce reduction of approximately 34% to focus on advancing its GalNAc-conjugated programs and extending its cash runway into the second half of 2027.
Analyst Downgrade: William Blair downgraded Korro's stock from Outperform to Market Perform, citing concerns over the competitiveness of KRRO-110 and the pause in collaboration with Novo Nordisk.
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Analyst Views on NVO
Wall Street analysts forecast NVO stock price to rise
8 Analyst Rating
4 Buy
3 Hold
1 Sell
Moderate Buy
Current: 39.420
Low
42.00
Averages
54.67
High
70.00
Current: 39.420
Low
42.00
Averages
54.67
High
70.00
About NVO
Novo Nordisk A/S is a global healthcare company engaged in diabetes care. The Company is also engaged in the discovery, development, manufacturing and marketing of pharmaceutical products. The Company operates through two business segments: diabetes and obesity care, and biopharmaceuticals. The Company's diabetes and obesity care segment covers insulin, GLP-1, other protein-related products, such as glucagon, protein-related delivery systems and needles, and oral anti-diabetic drugs. The Company's biopharmaceuticals segment covers the therapy areas of hemophilia care, growth hormone therapy and hormone replacement therapy. The Company also offers Saxenda product to treat obesity. It offers a range of products, including NovoLog/NovoRapid; NovoLog Mix/NovoMix; Prandin/NovoNorm; NovoSeven; Norditropin, and Vagifem. As of December 31, 2016, it marketed its products in over 180 countries. Its regional structure consists of two commercial units: North America and International Operations.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- Regulatory Submission Plans: Novo Nordisk intends to submit a regulatory application for etavopivat in H2 2026, marking a critical step toward market entry, and if approved, it could provide new treatment options for sickle cell disease patients.
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- Significant Currency Impact: While sales in Swiss francs decreased, there was a 6% increase in constant currency terms, highlighting the substantial effect of currency fluctuations, particularly as the Swiss franc appreciated against the U.S. dollar, leading to a 9% increase in dollar-denominated sales.
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- Direct Payment Mechanism: The new plan will have Medicare directly pay for weight loss medications instead of incorporating them into Medicare plans, alleviating the financial burden on health insurers and potentially increasing patient access and usage of these drugs, thus driving market growth.
- Data Collection Support: CMS indicated that this extension will facilitate data collection to support a more effective implementation of the long-term model, particularly in light of insufficient participation from health insurers, ensuring the feasibility and effectiveness of the policy.
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