Ambiq Micro shares closed their first day on the New York Stock Exchange at $38.53, up 61% from the company’s $24 IPO price. Trading began July 30, 2025, under the ticker AMBQ. That was a first-day move—not a measure of the stock’s subsequent performance.
How much did Ambiq stock rise on its IPO debut?
The relevant comparison is the $24 offer price and the $38.53 closing price on July 30, 2025. Bloomberg reported the close as a 61% gain over the IPO price. The percentage describes the change from the offer price to that day’s close; it does not mean the shares rose 61% from the prior day’s market close or that the gain continued afterward. Bloomberg’s debut report
What were the IPO terms?
Ambiq initially priced 4 million shares at $24 apiece, or $96 million in expected gross proceeds. The company later closed the offering after underwriters exercised their option to buy 600,000 additional shares. The final sale was 4.6 million shares for $110.4 million in gross proceeds. The two proceeds figures refer to different stages of the same offering, not conflicting totals. Ambiq’s pricing announcement and closing announcement
What does Ambiq Micro make?
Ambiq develops ultra-low-power semiconductor solutions intended to run artificial intelligence and other processing at the edge—on devices rather than relying entirely on a remote data center. Coverage of the IPO discussed wearable-device uses and the company’s stated ambitions for smart glasses. Those applications are company context, not a guarantee that a particular product or market will succeed. TechCrunch’s company profile
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Co-founder and CTO Scott Hanson described the rationale for the company’s power-efficiency pitch to TechCrunch: “Because we’re so low energy, we can put more intelligence and more AI on board.” This is Hanson’s explanation of the company’s approach, not an independent performance test.
What does “Kleiner Perkins-backed” mean here?
Kleiner Perkins is a venture-capital investor associated with Ambiq. The company’s SEC ownership filing documents ownership connected to KPCB XVI, a Kleiner Perkins-related investment entity. The filing does not establish a 14.8% stake, so that precise ownership figure should not be inferred from it. Ambiq’s SEC Form 3
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- 2.4GHz Dual Mode WiFi + Bluetooth Development Board
- Support LWIP protocol, Freertos;ESP32 is a safe, reliable, and scalable to a variety of applications
- SupportThree Modes: AP, STA, and AP+STA
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How to read the first-day pop
An IPO offer price is the price at which shares are sold in the offering; the first-day close is a later market price. The gap between them shows how the stock finished its debut session relative to the offer price. It is not, by itself, evidence of the company’s long-term value, nor does it tell an investor what price was available when they placed an order after trading began. AMBQ began trading on the NYSE on July 30, 2025, according to the company’s offering materials and announcement. SEC final prospectus
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