Ambiq Micro, Inc.
AMBQ- Exchange
- NYSE
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001500412
In the last 90 days, Ambiq Micro, Inc. insiders filed 0 open-market purchases and 10 sales; 184 institutions reported holding it in 13F filings for Q2 2026, worth $1.48B in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding Ambiq Micro, Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 73 | 75 | +2 |
| Shares | 4.51M | 4.71M | +207.7K (+4.6%) |
| Value | $134.6M | $134.4M | −$213.5K (−0.2%) |
New holders (17)
Institutions that held Ambiq Micro, Inc. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Millennium Management LLC | 62,018 | $1.77M | 0.00% |
| Tudor Investment Corp Et Al | 26,976 | $768.8K | 0.00% |
| Polar Asset Management Partners Inc. | 26,088 | $743.5K | 0.01% |
| Norges Bank | 20,000 | $570.0K | 0.00% |
| Los Angeles Capital Management LLC | 8,658 | $257.3K | 0.00% |
| Quantbot Technologies LP | 3,865 | $110.2K | 0.00% |
| New York State Common Retirement Fund | 1,700 | $48.5K | 0.00% |
| California State Teachers Retirement System | 287 | $8.18K | 0.00% |
| CWM, LLC | 49 | $1.00K | 0.00% |
| Nisa Investment Advisors, LLC | 12 | $342 | 0.00% |
| GAMMA Investing LLC | 11 | $314 | 0.00% |
| Rachor Investment Advisory Services, LLC | 9 | $257 | 0.00% |
| Rothschild Investment LLC | 5 | $143 | 0.00% |
| Allworth Financial LP | 2 | $57 | 0.00% |
| EverSource Wealth Advisors, LLC | 1 | $29 | 0.00% |
| Essential Partners LLC | 1 | $29 | 0.00% |
| IFP Advisors, Inc | 1 | $28 | 0.00% |
Sold out (15)
Institutions that held Ambiq Micro, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Fortress Investment Group LLC | 150,000 | $4.49M |
| Citadel Advisors LLC | 60,000 | $1.80M |
| LMR Partners LLP | 39,850 | $1.19M |
| Verition Fund Management LLC | 29,572 | $884.8K |
| XTX Topco Ltd | 26,662 | $797.7K |
| Blackstone Group Inc. | 20,000 | $598.4K |
| Freestone Grove Partners LP | 20,000 | $598.4K |
| Global Retirement Partners, LLC | 11,996 | $358.9K |
| Squarepoint Ops LLC | 9,246 | $276.6K |
| Two Sigma Investments, LP | 7,466 | $223.4K |
| Kingswood Wealth Advisors, LLC | 6,900 | $206.4K |
| MetLife Investment Management | 3,032 | $90.7K |
| Whittier Trust Co of Nevada Inc | 1,000 | $29.8K |
| Caitong International Asset Management Co., Ltd | 454 | $13.6K |
| Massmutual Trust Co FSB | 58 | $1.74K |