| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Kleiner Perkins Caufield & Byers XVI, LLC | 8.2% | $44,549,354 | 1,488,949 | KPCB XVI Associates, LLC | 30 Sep 2025 |
As of 30 Sep 2025, 71 institutional investors reported holding 4,494,661 shares of Ambiq Micro, Inc. - Common Stock, $0.000001 par value per share (AMBQ). This represents 25% of the company’s total 18,157,915 outstanding shares.
The largest institutional shareholders of Ambiq Micro, Inc. - Common Stock, $0.000001 par value per share (AMBQ) together control 23% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Atreides Management, LP | 3.8% | 684,307 | 0.53% | $20,474,465 | |
| ALLIANCEBERNSTEIN L.P. | 2.4% | 436,154 | 0% | $13,049,728 | |
| KADENSA CAPITAL Ltd | 2.2% | 394,991 | 1.2% | $11,818,131 | |
| VANGUARD GROUP INC | 1.7% | 307,836 | 0% | $9,210,453 | |
| BlackRock, Inc. | 1.6% | 291,876 | 0% | $8,732,930 | |
| Schonfeld Strategic Advisors LLC | 1.5% | 274,087 | 0.06% | $8,200,682 | |
| Monashee Investment Management LLC | 1.1% | 200,000 | 3% | $5,984,000 | |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1% | 188,690 | 0.04% | $5,645,605 | |
| Fortress Investment Group LLC | 0.83% | 150,000 | 0.6% | $4,488,000 | |
| SOFTBANK GROUP CORP. | 0.82% | 148,939 | 0.02% | $4,456,255 | |
| WASATCH ADVISORS LP | 0.8% | 145,426 | 0.02% | $4,351,146 | |
| GOLDMAN SACHS GROUP INC | 0.67% | 121,403 | 0% | $3,632,377 | |
| GEODE CAPITAL MANAGEMENT, LLC | 0.54% | 98,026 | 0% | $2,933,558 | |
| GILDER GAGNON HOWE & CO LLC | 0.53% | 95,748 | 0.03% | $2,864,780 | |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 0.52% | 93,597 | 0.09% | $2,800,422 | |
| STATE STREET CORP | 0.4% | 72,296 | 0% | $2,163,096 | |
| CITADEL ADVISORS LLC | 0.33% | 60,000 | 0% | $1,795,200 | |
| MAVERICK CAPITAL LTD | 0.33% | 59,248 | 0.02% | $1,772,700 | |
| First Eagle Investment Management, LLC | 0.32% | 58,900 | 0% | $1,762,288 | |
| SEVEN GRAND MANAGERS, LLC | 0.28% | 50,000 | 0.12% | $1,496,000 | |
| UBS Group AG | 0.23% | 41,430 | 0% | $1,239,585 | |
| PEAK6 LLC | 0.22% | 39,999 | 0.03% | $1,196,770 | |
| LMR Partners LLP | 0.22% | 39,850 | 0.02% | $1,192,312 | |
| NORTHERN TRUST CORP | 0.19% | 33,969 | 0% | $1,016,353 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.17% | 30,852 | 0% | $923,092 |