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.
13F holders, Q4 2025
Institutional positions in Ambiq Micro, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 75
- +2 vs. Q3 2025
- Shares held
- 4.71M
- +207.7K (+4.6%) vs. Q3 2025
- Total value
- $134.4M
- −$213.5K (−0.2%) vs. Q3 2025
- New holders
- 17
- 27 more added
- Sold out
- 15
- 17 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMBQ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 184 | $1.48B |
| Q1 2026 | 97 | $281.5M |
| Q4 2025 | 75 | $134.4M |
| Q3 2025 | 73 | $134.6M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Ambiq Micro, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Coston, McIsaac & Partners | 1 | $0 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 1 | $28 | 0.00% | +1 | New |
| EverSource Wealth Advisors, LLC | 1 | $29 | 0.00% | +1 | New |
| Essential Partners LLC | 1 | $29 | 0.00% | +1 | New |
| Allworth Financial LP | 2 | $57 | 0.00% | +2 | New |
| Rothschild Investment LLC | 5 | $143 | 0.00% | +5 | New |
| Rachor Investment Advisory Services, LLC | 9 | $257 | 0.00% | +9 | New |
| GAMMA Investing LLC | 11 | $314 | 0.00% | +11 | New |
| Nisa Investment Advisors, LLC | 12 | $342 | 0.00% | +12 | New |
| CWM, LLC | 49 | $1.00K | 0.00% | +49 | New |
| Sterling Capital Management LLC | 135 | $3.85K | 0.00% | +13+10.7% | Added |
| Amalgamated Bank | 146 | $4.00K | 0.00% | −5−3.3% | Reduced |
| Hurley Capital, LLC | 200 | $5.70K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 287 | $8.18K | 0.00% | +287 | New |
| Quarry LP | 304 | $8.66K | 0.00% | +286+1,588.9% | Added |
| Ameritas Investment Partners, Inc. | 389 | $11.1K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 412 | $11.7K | 0.00% | +13+3.3% | Added |
| Tower Research Capital LLC (TRC) | 440 | $12.5K | 0.00% | −548−55.5% | Reduced |
| Legal & General Group Plc | 473 | $13.5K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 572 | $16.3K | 0.00% | +461+415.3% | Added |
| STRS Ohio | 800 | $22.8K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 810 | $24.0K | 0.00% | −3,962−83.0% | Reduced |
| BNP Paribas Arbitrage, SA | 989 | $28.2K | 0.00% | +49+5.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 1,025 | $29.2K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,101 | $31.4K | 0.00% | +955+654.1% | Added |
| SBI Securities Co., Ltd. | 1,236 | $35.2K | 0.00% | −2,141−63.4% | Reduced |
| Advisor Group Holdings, Inc. | 1,595 | $45.5K | 0.00% | −250−13.6% | Reduced |
| New York State Common Retirement Fund | 1,700 | $48.5K | 0.00% | +1,700 | New |
| Rhumbline Advisers | 3,408 | $97.1K | 0.00% | −575−14.4% | Reduced |
| Quantbot Technologies LP | 3,865 | $110.2K | 0.00% | +3,865 | New |
| Wells Fargo & Company | 5,344 | $152.3K | 0.00% | +2,228+71.5% | Added |
| Bank of America Corp | 6,559 | $186.9K | 0.00% | +647+10.9% | Added |
| Barclays PLC | 8,451 | $240.9K | 0.00% | +1,883+28.7% | Added |
| Los Angeles Capital Management LLC | 8,658 | $257.3K | 0.00% | +8,658 | New |
| Bank of New York Mellon Corp | 10,818 | $308.3K | 0.00% | −235−2.1% | Reduced |
| Walleye Capital LLC | 11,555 | $329.3K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 12,691 | $361.7K | 0.00% | +10,814+576.1% | Added |
| Deutsche Bank AG | 15,389 | $438.6K | 0.00% | −4,502−22.6% | Reduced |
| CWM Advisors, LLC | 16,141 | $460.0K | 0.04% | +1,065+7.1% | Added |
| Readystate Asset Management LP | 16,596 | $473.0K | 0.02% | −4,904−22.8% | Reduced |
| Kornitzer Capital Management Inc | 17,073 | $486.6K | 0.01% | +73+0.4% | Added |
| D. E. Shaw & Co., Inc. | 19,574 | $557.9K | 0.00% | +4,405+29.0% | Added |
| Hound Partners, LLC | 20,000 | $570.0K | 0.08% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 20,000 | $570.0K | 0.03% | 00.0% | Unchanged |
| Norges Bank | 20,000 | $570.0K | 0.00% | +20,000 | New |
| Northern Trust Corp | 20,284 | $578.1K | 0.00% | −13,685−40.3% | Reduced |
| Ameriprise Financial Inc | 20,456 | $583.0K | 0.00% | −2,171−9.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 22,179 | $632.1K | 0.00% | +20,013+924.0% | Added |
| Polar Asset Management Partners Inc. | 26,088 | $743.5K | 0.01% | +26,088 | New |
| Tudor Investment Corp Et Al | 26,976 | $768.8K | 0.00% | +26,976 | New |
| Alyeska Investment Group, L.P. | 32,832 | $935.7K | 0.00% | +14,122+75.5% | Added |
| Charles Schwab Investment Management Inc | 33,833 | $964.2K | 0.00% | +2,981+9.7% | Added |
| UBS Group AG | 35,789 | $1.02M | 0.00% | −5,641−13.6% | Reduced |
| PEAK6 LLC | 35,835 | $1.02M | 0.03% | −4,164−10.4% | Reduced |
| Morgan Stanley | 39,284 | $1.12M | 0.00% | +30,573+351.0% | Added |
| Seven Grand Managers, LLC | 50,000 | $1.43M | 0.11% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 59,248 | $1.69M | 0.02% | 00.0% | Unchanged |
| Millennium Management LLC | 62,018 | $1.77M | 0.00% | +62,018 | New |
| State Street Corp | 84,507 | $2.41M | 0.00% | +12,211+16.9% | Added |
| Monashee Investment Management LLC | 85,089 | $2.43M | 1.37% | −114,911−57.5% | Reduced |
| Gilder Gagnon Howe & Co LLC | 93,745 | $2.67M | 0.03% | −2,003−2.1% | Reduced |
| Geode Capital Management, LLC | 104,184 | $2.97M | 0.00% | +6,158+6.3% | Added |
| Summit Partners Public Asset Management, LLC | 123,597 | $3.52M | 0.10% | +30,000+32.1% | Added |
| Goldman Sachs Group Inc | 132,112 | $3.77M | 0.00% | +10,709+8.8% | Added |
| Softbank Group Corp | 148,939 | $4.24M | 0.03% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 188,690 | $5.38M | 0.04% | 00.0% | Unchanged |
| First Eagle Investment Management, LLC | 189,723 | $5.41M | 0.01% | +130,823+222.1% | Added |
| Wasatch Advisors Inc | 217,512 | $6.20M | 0.04% | +72,086+49.6% | Added |
| Schonfeld Strategic Advisors LLC | 221,810 | $6.32M | 0.03% | −52,277−19.1% | Reduced |
| Franklin Resources Inc | 307,887 | $8.77M | 0.00% | +295,927+2,474.3% | Added |
| BlackRock, Inc. | 307,896 | $8.78M | 0.00% | +16,020+5.5% | Added |
| Vanguard Group Inc | 328,182 | $9.35M | 0.00% | +20,346+6.6% | Added |
| Kadensa Capital Ltd | 394,991 | $11.3M | 1.17% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 395,371 | $11.3M | 0.00% | −40,783−9.4% | Reduced |
| Atreides Management, LP | 696,420 | $19.8M | 0.42% | +12,113+1.8% | Added |
| Fortress Investment Group LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −39,850−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −29,572−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −26,662−100.0% | Sold out |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −11,996−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −9,246−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −7,466−100.0% | Sold out |
| Kingswood Wealth Advisors, LLC | 0 | $0 | 0.00% | −6,900−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −3,032−100.0% | Sold out |
| Whittier Trust Co of Nevada Inc | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −454−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −58−100.0% | Sold out |