T. Rowe Price Investment Management Reports New 6.0% Stake in Ambiq Micro Inc

On May 15, 2026, T. Rowe Price Investment Management, Inc. filed a Schedule 13G with the SEC, reporting a new ownership stake in Ambiq Micro Inc (AMBQ). As of the event date of March 31, 2026, the investment adviser reported beneficial ownership of 1,267,551 shares of common stock, representing a 6.0% ownership interest in the company. The filing indicates that T. Rowe Price Investment Management, Inc. holds sole voting and sole dispositive power over all 1,267,551 shares. This position represents a significant increase from a previous ownership level of 0.0%. The securities were acquired in the ordinary course of business and are not held for the purpose of changing or influencing the control of the issuer. The filing was signed by Ellen York, Vice President of T. Rowe Price Investment Management, Inc., which is headquartered in Baltimore, Maryland. Ambiq Micro Inc is based in Austin, Texas.