Ambiq Micro AMBQ Institutional Ownership

Ambiq Micro, Inc. (NYSE:AMBQ) appeared in the 13F filings of 184 institutional investors for the quarter ended June 30, 2026.

• Collectively, these holders controlled 79.75% of Ambiq Micro's outstanding shares in Q2 2026, up from 53.90% in Q1 2026.
• Total shares held in Ambiq Micro rose 57.73% from Q1 2026.
• Of these 184 holders, 148 added shares, 32 reduced their stakes and 4 left their positions unchanged.
• The aggregate institutional position in Ambiq Micro was 17.34Mn shares at the end of Q2 2026, up 6.35Mn from the prior quarter.
• As of June 30, 2026, the biggest holder of Ambiq Micro was BlackRock, Inc. with 1.38Mn shares, or 6.35% of shares outstanding.
• The largest position increases in AMBQ for Q2 2026 were by Two Sigma Investments, LP (+614.99K shares), State Street Corp (+601.75K shares), BlackRock, Inc. (+367.46K shares), Walleye Capital LLC (+203.1K shares) and BNP Paribas Financial Markets (+200.29K shares).
• Holders that trimmed the most Ambiq Micro shares in Q2 2026 while keeping a position were Schonfeld Strategic Advisors LLC (-341.1K shares), Franklin Templeton Inc (-318.45K shares), T. Rowe Price Investment Management, Inc. (-261.19K shares), Wasatch Advisors LP (-172.74K shares) and UBS Group AG (-130.05K shares).
• Per Business Quant data, the 10 largest holders of Ambiq Micro at the end of Q2 2026 were BlackRock, Inc. (1.38Mn shares), T. Rowe Price Investment Management, Inc. (1.01Mn shares), D. E. Shaw & Co., Inc. (983.92K shares), Atreides Management, LP (877.12K shares), State Street Corp (861.98K shares), Vanguard Capital Management LLC (768.54K shares), Two Sigma Investments, LP (651.79K shares), AllianceBernstein L.P. (609.61K shares), Goldman Sachs Group Inc (446.95K shares) and Geode Capital Management, LLC (339.33K shares).