Ambiq Micro, Inc. (AMBQ) Institutional Ownership

Ownership Summary

Ambiq Micro, Inc. (NYSE:AMBQ) has 96 institutional investors with active 13F positions as of March 2026.

• Their combined ownership stood at 56.2% of outstanding shares in March 2026, down from 60.0% in December 2025.
• Their total shares held in AMBQ increased 201.92% from the prior quarter, while the number of investors in Ambiq Micro stayed flat year over year.
• During the quarter, 84 of these 96 funds increased positions in AMBQ, 6 reduced exposure, and 6 held steady.
• In total, institutional investors held 11.47Mn shares in Ambiq Micro as of March 2026, up by 7.67Mn shares quarter on quarter, and with no net change year over year.
• As of March 31, 2026, the biggest holder of Ambiq Micro is T. Rowe Price Investment Management, Inc. at 1.27Mn shares, representing 6.21% of shares outstanding.
• The largest buyers of Ambiq Micro for the quarter ending March 2026 were T. Rowe Price Investment Management, Inc. (1.27Mn), VANGUARD CAPITAL MANAGEMENT LLC (707.4K), BlackRock, Inc. (705.26K), Schonfeld Strategic Advisors LLC (434.74K), S SQUARED TECHNOLOGY, LLC (385.55K).
• Leading sellers of Ambiq Micro shares for the quarter ending March 2026 were MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (13.69K), Morgan Stanley (7.88K), Barclays Plc (3.72K), OSAIC HOLDINGS, INC. (1.26K), SBI Securities Co., Ltd. (405).
• Ambiq Micro's 10 largest shareholders as of March 2026 include T. Rowe Price Investment Management, Inc. (1.27Mn), BlackRock, Inc. (1.01Mn), Atreides Management, LP (862.18K), VANGUARD CAPITAL MANAGEMENT LLC (707.4K), ALLIANCEBERNSTEIN L.P. (686.1K), Schonfeld Strategic Advisors LLC (656.55K), First Eagle Investment Management, LLC (558.15K), Franklin Resources Inc (542.22K), Goldman Sachs Group Inc (413.43K), S SQUARED TECHNOLOGY, LLC (385.55K) per Business Quant data.