Electra raises $350m in IPO as shares slip on Nasdaq debut

21 September 2026

US clinical-stage biotech Electra Therapeutics (Nasdaq: ETRA) raised $350 million in an upsized initial public offering priced at $15 per share, but the stock had a rough market debut, closing nearly 12% lower at $13.25 on its first day of trading on the Nasdaq Global Select Market.

The offering saw 23.3 million shares sold and gave the OrbiMed-backed company a fully diluted market value of around $1 billion. All the shares were offered by the company, so the proceeds go to Electra rather than existing investors. Electra had initially proposed selling 21.7 million shares at $14 to $16 each before upsizing the deal ahead of pricing late last week.

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