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, Q3 2025
Institutional positions in Ambiq Micro, Inc. as of Sep 30, 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
- 73
- +73 vs. Q2 2025
- Shares held
- 4.51M
- +4.51M vs. Q2 2025
- Total value
- $134.6M
- +$134.6M vs. Q2 2025
- New holders
- 73
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Ambiq Micro, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Coston, McIsaac & Partners | 1 | $0 | 0.00% | +1 | New |
| Quarry LP | 18 | $539 | 0.00% | +18 | New |
| Massmutual Trust Co FSB | 58 | $1.74K | 0.00% | +58 | New |
| FMR LLC | 111 | $3.32K | 0.00% | +111 | New |
| Sterling Capital Management LLC | 122 | $3.65K | 0.00% | +122 | New |
| Citigroup Inc | 146 | $4.37K | 0.00% | +146 | New |
| Amalgamated Bank | 151 | $5.00K | 0.00% | +151 | New |
| Hurley Capital, LLC | 200 | $5.98K | 0.00% | +200 | New |
| Ameritas Investment Partners, Inc. | 389 | $11.6K | 0.00% | +389 | New |
| Russell Investments Group, Ltd. | 399 | $11.9K | 0.00% | +399 | New |
| Caitong International Asset Management Co., Ltd | 454 | $13.6K | 0.01% | +454 | New |
| Legal & General Group Plc | 473 | $14.1K | 0.00% | +473 | New |
| STRS Ohio | 800 | $23.9K | 0.00% | +800 | New |
| BNP Paribas Arbitrage, SA | 940 | $28.1K | 0.00% | +940 | New |
| Tower Research Capital LLC (TRC) | 988 | $29.6K | 0.00% | +988 | New |
| Whittier Trust Co of Nevada Inc | 1,000 | $29.8K | 0.00% | +1,000 | New |
| Police & Firemen's Retirement System of New Jersey | 1,025 | $30.7K | 0.00% | +1,025 | New |
| Advisor Group Holdings, Inc. | 1,845 | $56.1K | 0.00% | +1,845 | New |
| JPMorgan Chase & Co | 1,877 | $56.2K | 0.00% | +1,877 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 2,166 | $64.8K | 0.00% | +2,166 | New |
| MetLife Investment Management | 3,032 | $90.7K | 0.00% | +3,032 | New |
| Wells Fargo & Company | 3,116 | $93.2K | 0.00% | +3,116 | New |
| Franklin Resources Inc | 11,960 | $99.7K | 0.00% | +11,960 | New |
| SBI Securities Co., Ltd. | 3,377 | $101.0K | 0.00% | +3,377 | New |
| Rhumbline Advisers | 3,983 | $119.2K | 0.00% | +3,983 | New |
| Royal Bank of Canada | 4,772 | $143.0K | 0.00% | +4,772 | New |
| Bank of America Corp | 5,912 | $176.9K | 0.00% | +5,912 | New |
| Barclays PLC | 6,568 | $196.5K | 0.00% | +6,568 | New |
| Kingswood Wealth Advisors, LLC | 6,900 | $206.4K | 0.01% | +6,900 | New |
| Two Sigma Investments, LP | 7,466 | $223.4K | 0.00% | +7,466 | New |
| Morgan Stanley | 8,711 | $260.6K | 0.00% | +8,711 | New |
| Squarepoint Ops LLC | 9,246 | $276.6K | 0.00% | +9,246 | New |
| Bank of New York Mellon Corp | 11,053 | $330.7K | 0.00% | +11,053 | New |
| Walleye Capital LLC | 11,555 | $345.7K | 0.00% | +11,555 | New |
| Global Retirement Partners, LLC | 11,996 | $358.9K | 0.01% | +11,996 | New |
| CWM Advisors, LLC | 15,076 | $451.1K | 0.04% | +15,076 | New |
| D. E. Shaw & Co., Inc. | 15,169 | $453.9K | 0.00% | +15,169 | New |
| Kornitzer Capital Management Inc | 17,000 | $508.6K | 0.01% | +17,000 | New |
| Alyeska Investment Group, L.P. | 18,710 | $559.8K | 0.00% | +18,710 | New |
| Deutsche Bank AG | 19,891 | $595.1K | 0.00% | +19,891 | New |
| Hound Partners, LLC | 20,000 | $598.4K | 0.08% | +20,000 | New |
| Blackstone Group Inc. | 20,000 | $598.4K | 0.00% | +20,000 | New |
| Ghisallo Capital Management LLC | 20,000 | $598.4K | 0.02% | +20,000 | New |
| Freestone Grove Partners LP | 20,000 | $598.4K | 0.00% | +20,000 | New |
| Readystate Asset Management LP | 21,500 | $643.3K | 0.03% | +21,500 | New |
| Ameriprise Financial Inc | 22,627 | $677.0K | 0.00% | +22,627 | New |
| XTX Topco Ltd | 26,662 | $797.7K | 0.04% | +26,662 | New |
| Verition Fund Management LLC | 29,572 | $884.8K | 0.01% | +29,572 | New |
| Charles Schwab Investment Management Inc | 30,852 | $923.1K | 0.00% | +30,852 | New |
| Northern Trust Corp | 33,969 | $1.02M | 0.00% | +33,969 | New |
| LMR Partners LLP | 39,850 | $1.19M | 0.02% | +39,850 | New |
| PEAK6 LLC | 39,999 | $1.20M | 0.03% | +39,999 | New |
| UBS Group AG | 41,430 | $1.24M | 0.00% | +41,430 | New |
| Seven Grand Managers, LLC | 50,000 | $1.50M | 0.12% | +50,000 | New |
| First Eagle Investment Management, LLC | 58,900 | $1.76M | 0.00% | +58,900 | New |
| Maverick Capital LtdSuperinvestorMaverick Capital | 59,248 | $1.77M | 0.02% | +59,248 | New |
| Citadel Advisors LLC | 60,000 | $1.80M | 0.00% | +60,000 | New |
| State Street Corp | 72,296 | $2.16M | 0.00% | +72,296 | New |
| Summit Partners Public Asset Management, LLC | 93,597 | $2.80M | 0.09% | +93,597 | New |
| Gilder Gagnon Howe & Co LLC | 95,748 | $2.86M | 0.03% | +95,748 | New |
| Geode Capital Management, LLC | 98,026 | $2.93M | 0.00% | +98,026 | New |
| Goldman Sachs Group Inc | 121,403 | $3.63M | 0.00% | +121,403 | New |
| Wasatch Advisors Inc | 145,426 | $4.35M | 0.02% | +145,426 | New |
| Softbank Group Corp | 148,939 | $4.46M | 0.02% | +148,939 | New |
| Fortress Investment Group LLC | 150,000 | $4.49M | 0.60% | +150,000 | New |
| Silvercrest Asset Management Group LLC | 188,690 | $5.65M | 0.04% | +188,690 | New |
| Monashee Investment Management LLC | 200,000 | $5.98M | 2.98% | +200,000 | New |
| Schonfeld Strategic Advisors LLC | 274,087 | $8.20M | 0.06% | +274,087 | New |
| BlackRock, Inc. | 291,876 | $8.73M | 0.00% | +291,876 | New |
| Vanguard Group Inc | 307,836 | $9.21M | 0.00% | +307,836 | New |
| Kadensa Capital Ltd | 394,991 | $11.8M | 1.22% | +394,991 | New |
| Alliancebernstein L.P. | 436,154 | $13.0M | 0.00% | +436,154 | New |
| Atreides Management, LP | 684,307 | $20.5M | 0.53% | +684,307 | New |