Spark Investment Management LLC Makes New Investment in Ambiq Micro, Inc. $AMBQ

Posted by George Bondi on Sep 8th, 2026

Spark Investment Management LLC acquired a new position in shares of Ambiq Micro, Inc. (NYSE:AMBQ – Free Report) in the 2nd quarter, according to its most recent disclosure with the SEC. The institutional investor acquired 8,800 shares of the company’s stock, valued at approximately $777,000. Ambiq Micro makes up about 1.5% of Spark Investment Management LLC’s portfolio, making the stock its 18th biggest holding.

Other hedge funds have also made changes to their positions in the company. BNP Paribas Financial Markets purchased a new stake in Ambiq Micro during the third quarter worth approximately $28,000. California State Teachers Retirement System boosted its holdings in Ambiq Micro by 244.6% in the first quarter. California State Teachers Retirement System now owns 989 shares of the company’s stock valued at $25,000 after purchasing an additional 702 shares in the last quarter. New York State Common Retirement Fund purchased a new position in Ambiq Micro in the fourth quarter valued at approximately $48,000. JPMorgan Chase & Co. acquired a new stake in Ambiq Micro during the third quarter worth approximately $56,000. Finally, MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. acquired a new stake in Ambiq Micro during the third quarter worth approximately $65,000.

Ambiq Micro Stock Performance

Ambiq Micro stock traded up $2.08 during midday trading on Tuesday, hitting $59.53. 475,518 shares of the company’s stock were exchanged, compared to its average volume of 501,348. The stock has a market cap of $1.44 billion, a price-to-earnings ratio of -28.08 and a beta of 5.58. Ambiq Micro, Inc. has a 12-month low of $22.12 and a 12-month high of $91.61. The firm’s 50 day simple moving average is $68.08 and its 200 day simple moving average is $56.38.

Ambiq Micro (NYSE:AMBQ – Get Free Report) last announced its earnings results on Tuesday, August 11th. The company reported ($0.07) EPS for the quarter. Ambiq Micro had a negative net margin of 37.77% and a negative return on equity of 11.85%. The business had revenue of $33.90 million during the quarter. Ambiq Micro has set its Q3 2026 guidance at -0.200–0.120 EPS. On average, equities research analysts forecast that Ambiq Micro, Inc. will post -1.16 EPS for the current fiscal year.

Wall Street Analysts Forecast Growth

A number of equities research analysts recently weighed in on the stock. Northland Securities set a $81.00 price target on shares of Ambiq Micro in a research report on Wednesday, August 12th. Citigroup reaffirmed a “neutral” rating on shares of Ambiq Micro in a report on Tuesday, August 11th. UBS Group set a $85.00 target price on Ambiq Micro in a research report on Wednesday, August 12th. Roth Capital started coverage on Ambiq Micro in a report on Monday, July 13th. They issued a “buy” rating and a $125.00 target price for the company. Finally, Needham & Company LLC upped their target price on Ambiq Micro from $70.00 to $85.00 and gave the company a “buy” rating in a research report on Wednesday, August 12th. Three investment analysts have rated the stock with a Buy rating, four have issued a Hold rating and one has assigned a Sell rating to the company’s stock. According to MarketBeat.com, the stock has an average rating of “Hold” and a consensus target price of $82.20.

Get Our Latest Research Report on Ambiq Micro

Insider Activity at Ambiq Micro

In other Ambiq Micro news, CTO Scott Hanson sold 27,500 shares of the stock in a transaction that occurred on Thursday, August 27th. The stock was sold at an average price of $59.80, for a total transaction of $1,644,500.00. Following the completion of the sale, the chief technology officer directly owned 221,226 shares of the company’s stock, valued at approximately $13,229,314.80. This trade represents a 11.06% decrease in their position. The transaction was disclosed in a legal filing with the Securities & Exchange Commission, which can be accessed through the SEC website. Also, CEO Fumihide Esaka sold 11,027 shares of Ambiq Micro stock in a transaction that occurred on Wednesday, September 2nd. The shares were sold at an average price of $56.69, for a total value of $625,120.63. Following the completion of the transaction, the chief executive officer owned 460,460 shares in the company, valued at $26,103,477.40. This trade represents a 2.34% decrease in their ownership of the stock. Additional details regarding this sale are available in the official SEC disclosure. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. Over the last ninety days, insiders have sold 156,500 shares of company stock valued at $9,136,973. 10.00% of the stock is owned by company insiders.

Ambiq Micro Company Profile

(Free Report)

Ambiq Micro (NYSE: AMBQ) is a semiconductor company specializing in the design and development of ultra-low-power microcontroller units (MCUs) and application-specific integrated circuits (ASICs). The company’s core technology leverages sub-threshold voltage operation to dramatically reduce energy consumption, enabling extended battery life in a broad range of portable and always-on devices. Ambiq’s products are particularly well suited for applications where power efficiency is critical, such as wearable electronics, IoT sensors, medical monitoring equipment, and industrial automation systems.

The company’s flagship product family, the Apollo series of MCUs, offers multi-core architectures, integrated wireless connectivity options, and advanced security features.