Aktis Oncology Closes Upsized Initial Public Offering, Stock Symbol "AKTS"
BOSTON, January 13, 2026 – Aktis Oncology, Inc. (NASDAQ: AKTS), a pioneering clinical-stage oncology company, has successfully closed its upsized initial public offering (IPO) of common stock, further solidifying its position in the targeted radiopharmaceuticals market.
Overview of the IPO
On January 12, 2026, Aktis Oncology announced the completion of its IPO, which consisted of 17,650,000 shares priced at $18.00 per share. Additionally, the underwriters exercised their full option to purchase an extra 2,647,500 shares at the same price, demonstrating strong demand for the company's stock.
The sale of these additional shares is anticipated to conclude on January 14, 2026, contingent upon the fulfillment of standard closing conditions. Overall, the IPO is projected to generate approximately $365.4 million in gross proceeds before deducting underwriting discounts and expenses.
Trading and Underwriters
Aktis’ common stock began trading on the Nasdaq Global Select Market under the ticker symbol AKTS on January 9, 2026. The successful management of the offering was achieved by raising capabilities established by prominent financial institutions including:
- J.P. Morgan
- BofA Securities
- Leerink Partners
- TD Cowen
SEC Registration and Availability of Prospectus
A registration statement on Form S-1 (File No. 333-292283), as amended, for the offering was filed with the Securities and Exchange Commission (SEC) and was declared effective on January 8, 2026. Investors can obtain copies of the final prospectus through the SEC’s website at www.sec.gov, or directly from the underwriters listed above.
This offering does not constitute an offer to sell or the solicitation of an offer to buy securities in any jurisdiction where such an offer would be illegal.
About Aktis Oncology
Aktis Oncology, Inc. is dedicated to advancing the potential of targeted radiopharmaceuticals, aiming to address unmet needs within large patient populations. Its innovative pipeline includes a focus on targeting Nectin-4, utilizing miniprotein radioconjugates to treat various tumor types.
Founded with the expertise from MPM BioImpact, Aktis has developed a proprietary platform designed to deliver the tumor-destroying effects of radioisotopes to affected cells while minimizing side effects. This technology allows for precise treatment with high tumor specificity and rapid clearance from healthy tissues.
Aktis is also engaged in a strategic partnership with Eli Lilly and Company to leverage its platform in the development of new radioconjugates beyond its current projects.