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Ambiq Announces Closing of its Upsized Initial Public Offering and Full Exercise of Underwriters’ Option to Purchase Additional Shares

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Ambiq (NYSE:AMBQ), a leader in ultra-low-power semiconductor solutions for edge AI, has successfully completed its upsized Initial Public Offering (IPO). The company sold 4.6 million shares at $24.00 per share, which includes the full exercise of the underwriters' option to purchase 600,000 additional shares.

The IPO generated gross proceeds of $110.4 million before deducting underwriting discounts and other expenses. Trading of Ambiq shares commenced on the New York Stock Exchange on July 30, 2025, under the ticker symbol "AMBQ". BofA Securities and UBS Investment Bank served as joint lead book-running managers, with Needham & Company and Stifel acting as joint book-running managers.

Ambiq (NYSE:AMBQ), leader nelle soluzioni semiconduttori a bassissimo consumo per l'intelligenza artificiale edge, ha completato con successo la sua Offerta Pubblica Iniziale (IPO) ampliata. L'azienda ha venduto 4,6 milioni di azioni a 24,00 dollari per azione, inclusa l'intera esercitazione dell'opzione degli underwriter per l'acquisto di 600.000 azioni aggiuntive.

L'IPO ha generato proventi lordi per 110,4 milioni di dollari prima della detrazione degli sconti di sottoscrizione e di altre spese. Le azioni Ambiq hanno iniziato a essere negoziate sulla New York Stock Exchange il 30 luglio 2025, con il simbolo "AMBQ". BofA Securities e UBS Investment Bank hanno svolto il ruolo di joint lead book-running managers, mentre Needham & Company e Stifel hanno agito come joint book-running managers.

Ambiq (NYSE:AMBQ), líder en soluciones de semiconductores de ultra bajo consumo para inteligencia artificial en el borde, ha completado con éxito su Oferta Pública Inicial (IPO) ampliada. La compañía vendió 4,6 millones de acciones a 24,00 dólares por acción, incluyendo el ejercicio total de la opción de los suscriptores para comprar 600.000 acciones adicionales.

La IPO generó ingresos brutos de 110,4 millones de dólares antes de deducir descuentos de suscripción y otros gastos. Las acciones de Ambiq comenzaron a cotizar en la Bolsa de Valores de Nueva York el 30 de julio de 2025, bajo el símbolo "AMBQ". BofA Securities y UBS Investment Bank actuaron como gestores principales conjuntos, con Needham & Company y Stifel como gestores conjuntos.

Ambiq (NYSE:AMBQ)는 엣지 AI를 위한 초저전력 반도체 솔루션 분야의 선두주자로서, 증액된 기업공개(IPO)를 성공적으로 마쳤습니다. 회사는 460만 주를 주당 24.00달러에 판매했으며, 여기에는 인수인들이 60만 주를 추가로 매입할 수 있는 옵션을 전액 행사한 것이 포함됩니다.

이번 IPO를 통해 1억 1,040만 달러의 총 수익을 확보했으며, 인수 수수료 및 기타 비용을 차감하기 전 금액입니다. Ambiq 주식은 2025년 7월 30일 뉴욕증권거래소에 "AMBQ" 티커 심볼로 상장 거래를 시작했습니다. BofA Securities와 UBS Investment Bank가 공동 대표 주관사로 참여했으며, Needham & Company와 Stifel이 공동 주관사로 활동했습니다.

Ambiq (NYSE:AMBQ), leader dans les solutions de semi-conducteurs ultra-basse consommation pour l'IA en périphérie, a réussi son introduction en bourse (IPO) élargie. La société a vendu 4,6 millions d'actions au prix de 24,00 dollars par action, incluant l'exercice complet de l'option des souscripteurs pour l'achat de 600 000 actions supplémentaires.

L'IPO a généré des recettes brutes de 110,4 millions de dollars avant déduction des remises de souscription et autres frais. Les actions Ambiq ont commencé à être négociées à la Bourse de New York le 30 juillet 2025, sous le symbole "AMBQ". BofA Securities et UBS Investment Bank ont agi en tant que co-chefs de file, avec Needham & Company et Stifel en tant que co-gestionnaires.

Ambiq (NYSE:AMBQ), ein führendes Unternehmen für ultra-niedrigenergie Halbleiterlösungen für Edge-KI, hat seinen erweiterten Börsengang (IPO) erfolgreich abgeschlossen. Das Unternehmen verkaufte 4,6 Millionen Aktien zu je 24,00 US-Dollar, einschließlich der vollständigen Ausübung der Option der Underwriter, 600.000 zusätzliche Aktien zu erwerben.

Der Börsengang erzielte Bruttoerlöse von 110,4 Millionen US-Dollar vor Abzug von Zeichnungsgebühren und sonstigen Kosten. Der Handel mit Ambiq-Aktien begann am 30. Juli 2025 an der New Yorker Börse unter dem Tickersymbol "AMBQ". BofA Securities und UBS Investment Bank fungierten als gemeinsame Hauptbuchführer, während Needham & Company und Stifel als gemeinsame Buchführer tätig waren.

Positive
  • Successfully raised $110.4 million in gross proceeds from IPO
  • Achieved full exercise of underwriters' option, indicating strong demand
  • Upsized offering from original plan, demonstrating market interest
  • Strategic positioning in growing edge AI semiconductor market
Negative
  • Potential dilution for existing shareholders
  • Market volatility risks as a newly public company
  • Additional regulatory compliance costs as a public company

Insights

Ambiq successfully completed its upsized IPO, raising $110.4M at $24/share with full exercise of underwriters' option.

Ambiq has successfully completed its initial public offering, raising $110.4 million in gross proceeds before deducting underwriting costs and other expenses. The semiconductor company, which specializes in ultra-low-power solutions for edge AI, sold 4.6 million shares at $24.00 per share, representing an upsized offering that included the full exercise of the underwriters' option to purchase an additional 600,000 shares.

This successful capital raise indicates strong investor demand, as evidenced by both the upsizing of the offering and the complete exercise of the underwriters' option (often called the greenshoe). The company's shares began trading on the NYSE under the ticker symbol "AMBQ" on July 30.

The offering was managed by prominent financial institutions, with BofA Securities and UBS Investment Bank serving as joint lead book-running managers, while Needham & Company and Stifel acted as joint book-running managers. This strong banking syndicate suggests institutional confidence in Ambiq's business model and growth potential in the competitive semiconductor space.

The timing of this IPO is notable as it comes during a period when semiconductor companies focused on AI applications have attracted significant investor interest. Ambiq's specialization in ultra-low-power semiconductor solutions positions it in the growing edge AI market, where energy efficiency is a critical competitive advantage.

AUSTIN, Texas, July 31, 2025 (GLOBE NEWSWIRE) -- Ambiq Micro, Inc. (“Ambiq”), a technology leader in ultra-low-power semiconductor solutions for edge AI, today announced the closing of its upsized initial public offering of 4,600,000 shares of its common stock, including the full exercise of the underwriters’ option to purchase 600,000 additional shares, at a public offering price of $24.00 per share. The gross proceeds to Ambiq from the offering, before deducting underwriting discounts and commissions and other offering expenses payable by Ambiq, were $110.4 million. The shares began trading on the New York Stock Exchange under the ticker symbol “AMBQ” on July 30, 2025.

BofA Securities and UBS Investment Bank acted as joint lead book-running managers for the offering. Needham & Company and Stifel acted as joint book-running managers for the offering.

A registration statement relating to the offering of securities was declared effective by the U.S. Securities and Exchange Commission on July 29, 2025. The offering was made only by means of a prospectus. Copies of the final prospectus relating to the offering may be obtained by contacting: BofA Securities, NC1-022-02-25, 201 North Tryon Street, Charlotte, North Carolina 28255-0001, Attention: Prospectus Department, or by email at dg.prospectus_requests@bofa.com or UBS Securities LLC, Attention: Prospectus Department, 1285 Avenue of the Americas, New York, New York 10019, by telephone at (888) 827-7275 or by emailing ol-prospectus-request@ubs.com.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or other jurisdiction.

About Ambiq

Ambiq’s mission is to enable intelligence (artificial intelligence (AI) and beyond) everywhere by delivering the lowest power semiconductor solutions. Ambiq 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 270 million devices to date.

Contact

IR
Shelton Group
sheltonir@sheltongroup.com
+1 972-239-5119

PR
Charlene Wan 
VP of Corporate Marketing
cwan@ambiq.com

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/16427c9e-307a-4d98-a6be-02324412ac0d


FAQ

How much did Ambiq raise in its IPO?

Ambiq raised $110.4 million in gross proceeds through its IPO, before deducting underwriting discounts and other offering expenses.

What was the IPO price for Ambiq (AMBQ) shares?

Ambiq shares were priced at $24.00 per share in the initial public offering.

How many shares did Ambiq (AMBQ) sell in its IPO?

Ambiq sold 4.6 million shares, including 600,000 additional shares from the full exercise of the underwriters' option.

When did Ambiq (AMBQ) start trading on the NYSE?

Ambiq shares began trading on the New York Stock Exchange on July 30, 2025, under the ticker symbol 'AMBQ'.

Who were the lead underwriters for Ambiq's IPO?

BofA Securities and UBS Investment Bank acted as joint lead book-running managers, with Needham & Company and Stifel as joint book-running managers.
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