Ambiq closes $179.4M upsized public offering
Ambiq Micro, Inc. has closed its upsized underwritten public offering of 2,300,000 shares of common stock at $78.00 per share, generating gross proceeds of $179.4 million. The offering included the full exercise of the underwriters' option to purchase an additional 300,000 shares. BofA Securities and UBS Investment Bank served as joint lead book-running managers, with the registration statement declared effective by the SEC on June 23, 2026.
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Ambiq Micro, Inc. has closed its upsized underwritten public offering of 2,300,000 shares of its common stock at a public offering price of $78.00 per share. The gross proceeds to Ambiq from the offering, before deducting underwriting discounts and commissions and other offering expenses, were $179.4 million. This total includes the full exercise of the underwriters’ option to purchase an additional 300,000 shares of common stock.
BofA Securities and UBS Investment Bank acted as joint lead book-running managers for the offering. Needham & Company, Stifel, and Roth Capital Partners acted as joint book-running managers. A registration statement relating to the offering of securities was declared effective by the U.S. Securities and Exchange Commission on June 23, 2026.
Offering Details
| Component | Details |
|---|---|
| Total shares sold | 2,300,000 |
| Public offering price | $78.00 per share |
| Gross proceeds | $179.4 million |
| Additional shares exercised | 300,000 |
| SEC effectiveness date | June 23, 2026 |
Ambiq’s mission is to enable intelligence everywhere by delivering the lowest power semiconductor solutions. The company enables its customers to deliver AI compute at the edge where power consumption challenges are the most severe. Ambiq’s technology innovations, built on the patented and proprietary subthreshold power optimized technology (SPOT), fundamentally deliver a multi-fold improvement in power consumption over traditional semiconductor designs. Ambiq has powered over 300 million devices to date.
How does Ambiq plan to allocate the $179.4 million in gross proceeds to drive future growth?
What impact will this capital infusion have on Ambiq's ability to expand its edge AI market share?
Could this successful offering signal increased investor confidence in low-power semiconductor solutions?
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