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Novo-backed Windward Bio targets $1 billion valuation in US IPO

By Thomson Reuters Nov 9, 2026 | 6:09 AM

Nov 9 (Reuters) – Swiss drug developer Windward Bio Group AG is targeting a valuation of up to $1 billion in its ​US initial public offering, as a ‌strong run for the biotech IPO market extends into November.

Here are some other details:

• Basel, Switzerland-based Windward is seeking to raise up to $185.3 million in the ‌US ​IPO by selling roughly 10.3 ⁠million shares priced ⁠between $16 and $18, it said on Monday

• The healthcare industry, which is seen as a defensive sector, has anchored the fall IPO window ​this year as choppy market conditions and rising borrowing costs weigh on activity from ⁠other sectors

• Drug developer ⁠Rezera also kicked off its US ​IPO roadshow last week and is expected to ​go public in New York this week

• ‌Windward has raised $310 million in equity financing from Novo Holdings and other healthcare investors including, OrbiMed, Blue Owl and RTW Investments.

• The ⁠firm is developing antibody medicines for patients with serious respiratory and dermatologic diseases, including asthma, chronic obstructive ⁠pulmonary disease ‌and atopic dermatitis

• French drugmaker Sanofi ⁠has agreed to purchase $50 million ​of ‌shares and pre-funded warrants in a ​private placement

• ⁠Jefferies, TD Cowen, Piper Sandler and UBS Investment Bank are underwriting the offering

• Windward Bio will list on the Nasdaq under the symbol “WWB”

(Reporting by Arasu Kannagi Basil in Bengaluru; Editing by ​Vijay Kishore)