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, Q1 2026
Institutional positions in Ambiq Micro, Inc. as of Mar 31, 2026. 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
- 97
- +24 vs. Q4 2025
- Shares held
- 11.0M
- +6.63M (+151.8%) vs. Q4 2025
- Total value
- $281.5M
- +$157.1M (+126.2%) vs. Q4 2025
- New holders
- 36
- 48 more added
- Sold out
- 12
- 7 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Ambiq Micro, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 1 | $25 | 0.00% | −4−80.0% | Reduced |
| True Wealth Design, LLC | 1 | $26 | 0.00% | +1 | New |
| EverSource Wealth Advisors, LLC | 2 | $51 | 0.00% | +1+100.0% | Added |
| Essential Partners LLC | 3 | $76 | 0.00% | +2+200.0% | Added |
| Root Financial Partners, LLC | 4 | $102 | 0.00% | +4 | New |
| SRS Capital Advisors, Inc. | 5 | $127 | 0.00% | +5 | New |
| Allworth Financial LP | 7 | $178 | 0.00% | +5+250.0% | Added |
| GAMMA Investing LLC | 11 | $280 | 0.00% | 00.0% | Unchanged |
| Rachor Investment Advisory Services, LLC | 13 | $331 | 0.00% | +4+44.4% | Added |
| Zions Bancorporation, National Association | 17 | $432 | 0.00% | +17 | New |
| MAI Capital Management | 20 | $509 | 0.00% | +20 | New |
| Farther Finance Advisors, LLC | 19 | $512 | 0.00% | +19 | New |
| Simplex Trading, LLC | 33 | $838 | 0.00% | +33 | New |
| CWM, LLC | 91 | $2.31K | 0.00% | +42+85.7% | Added |
| Caitong International Asset Management Co., Ltd | 192 | $4.88K | 0.00% | +192 | New |
| Hurley Capital, LLC | 200 | $5.08K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 227 | $5.77K | 0.00% | +227 | New |
| Sterling Capital Management LLC | 290 | $7.37K | 0.00% | +155+114.8% | Added |
| Advisor Group Holdings, Inc. | 335 | $8.51K | 0.00% | −1,260−79.0% | Reduced |
| FMR LLC | 763 | $19.4K | 0.00% | +191+33.4% | Added |
| Aquatic Capital Management LLC | 779 | $19.8K | 0.00% | +779 | New |
| STRS Ohio | 800 | $20.3K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 831 | $21.1K | 0.00% | −405−32.8% | Reduced |
| California State Teachers Retirement System | 989 | $25.1K | 0.00% | +702+244.6% | Added |
| Tower Research Capital LLC (TRC) | 1,348 | $34.3K | 0.00% | +908+206.4% | Added |
| Russell Investments Group, Ltd. | 1,421 | $36.1K | 0.00% | +1,009+244.9% | Added |
| Ameritas Investment Partners, Inc. | 1,482 | $37.7K | 0.00% | +1,093+281.0% | Added |
| Legal & General Group Plc | 1,584 | $40.2K | 0.00% | +1,111+234.9% | Added |
| New York State Common Retirement Fund | 1,700 | $43.2K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 3,131 | $79.6K | 0.00% | +3,131 | New |
| BNP Paribas Arbitrage, SA | 3,889 | $98.8K | 0.00% | +2,900+293.2% | Added |
| Citigroup Inc | 4,294 | $109.1K | 0.00% | +3,193+290.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,581 | $116.4K | 0.00% | +3,556+346.9% | Added |
| Barclays PLC | 4,731 | $120.2K | 0.00% | −3,720−44.0% | Reduced |
| Wells Fargo & Company | 6,870 | $174.6K | 0.00% | +1,526+28.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 8,492 | $215.8K | 0.00% | −13,687−61.7% | Reduced |
| Squarepoint Ops LLC | 8,988 | $228.4K | 0.00% | +8,988 | New |
| MetLife Investment Management | 10,169 | $258.4K | 0.00% | +10,169 | New |
| Quadrature Capital Ltd | 11,052 | $280.8K | 0.00% | +11,052 | New |
| Walleye Capital LLC | 11,429 | $290.4K | 0.00% | −126−1.1% | Reduced |
| Royal Bank of Canada | 11,600 | $295.0K | 0.00% | +10,790+1,332.1% | Added |
| Rhumbline Advisers | 14,037 | $356.7K | 0.00% | +10,629+311.9% | Added |
| Price T Rowe Associates Inc | 14,936 | $381.0K | 0.00% | +14,936 | New |
| Quantbot Technologies LP | 15,156 | $385.1K | 0.02% | +11,291+292.1% | Added |
| Perpetual Ltd | 16,649 | $423.1K | 0.01% | +16,649 | New |
| Essex Investment Management Co LLC | 19,216 | $488.3K | 0.08% | +19,216 | New |
| Ghisallo Capital Management LLC | 20,000 | $508.2K | 0.01% | 00.0% | Unchanged |
| CWM Advisors, LLC | 20,806 | $528.7K | 0.03% | +4,665+28.9% | Added |
| Toronado Partners, LLC | 21,222 | $539.3K | 1.02% | +21,222 | New |
| HighTower Advisors, LLC | 21,652 | $550.2K | 0.00% | +21,652 | New |
| Deutsche Bank AG | 23,010 | $584.7K | 0.00% | +7,621+49.5% | Added |
| TD Asset Management Inc | 23,770 | $604.0K | 0.00% | +23,770 | New |
| XTX Topco Ltd | 24,854 | $631.5K | 0.01% | +24,854 | New |
| Capital Asset Advisory Services LLC | 18,928 | $664.8K | 0.03% | +18,928 | New |
| Kornitzer Capital Management Inc | 26,442 | $671.9K | 0.01% | +9,369+54.9% | Added |
| Stifel Financial Corp | 27,695 | $703.7K | 0.00% | +27,695 | New |
| Morgan Stanley | 31,405 | $798.0K | 0.00% | −7,879−20.1% | Reduced |
| Nuveen, LLC | 35,721 | $907.7K | 0.00% | +35,721 | New |
| Ameriprise Financial Inc | 36,783 | $934.7K | 0.00% | +16,327+79.8% | Added |
| Two Sigma Investments, LP | 36,794 | $934.9K | 0.00% | +36,794 | New |
| Readystate Asset Management LP | 41,917 | $1.07M | 0.06% | +25,321+152.6% | Added |
| Bank of New York Mellon Corp | 42,030 | $1.07M | 0.00% | +31,212+288.5% | Added |
| Renaissance Technologies LLC | 42,600 | $1.08M | 0.00% | +42,600 | New |
| Bank of America Corp | 48,033 | $1.22M | 0.00% | +41,474+632.3% | Added |
| CenterBook Partners LP | 55,568 | $1.41M | 0.08% | +55,568 | New |
| Lazard Asset Management LLC | 64,247 | $1.63M | 0.00% | +64,247 | New |
| Vanguard Fiduciary Trust Co | 65,042 | $1.65M | 0.00% | +65,042 | New |
| JPMorgan Chase & Co | 76,519 | $1.81M | 0.00% | +63,828+502.9% | Added |
| Alyeska Investment Group, L.P. | 78,305 | $1.99M | 0.01% | +45,473+138.5% | Added |
| Charles Schwab Investment Management Inc | 81,067 | $2.06M | 0.00% | +47,234+139.6% | Added |
| Los Angeles Capital Management LLC | 92,584 | $2.35M | 0.01% | +83,926+969.3% | Added |
| Monashee Investment Management LLC | 103,756 | $2.64M | 1.43% | +18,667+21.9% | Added |
| Gilder Gagnon Howe & Co LLC | 109,577 | $2.78M | 0.03% | +15,832+16.9% | Added |
| Northern Trust Corp | 110,847 | $2.82M | 0.00% | +90,563+446.5% | Added |
| Roubaix Capital, LLC | 125,821 | $3.20M | 1.49% | +125,821 | New |
| Softbank Group Corp | 148,939 | $3.78M | 0.03% | 00.0% | Unchanged |
| Summit Partners Public Asset Management, LLC | 155,597 | $3.95M | 0.18% | +32,000+25.9% | Added |
| Vanguard Portfolio Management LLC | 158,901 | $4.04M | 0.00% | +158,901 | New |
| UBS Group AG | 165,837 | $4.21M | 0.00% | +130,048+363.4% | Added |
| Millennium Management LLC | 177,556 | $4.51M | 0.00% | +115,538+186.3% | Added |
| S Squared Technology, LLC | 192,773 | $4.90M | 1.85% | +192,773 | New |
| Needham Investment Management LLC | 200,000 | $5.08M | 0.26% | +200,000 | New |
| Polar Asset Management Partners Inc. | 201,335 | $5.12M | 0.12% | +175,247+671.8% | Added |
| Wasatch Advisors Inc | 254,303 | $6.46M | 0.04% | +36,791+16.9% | Added |
| State Street Corp | 260,227 | $6.61M | 0.00% | +175,720+207.9% | Added |
| First Eagle Investment Management, LLC | 279,073 | $7.09M | 0.01% | +89,350+47.1% | Added |
| Silvercrest Asset Management Group LLC | 282,373 | $7.18M | 0.05% | +93,683+49.6% | Added |
| Geode Capital Management, LLC | 297,548 | $7.56M | 0.00% | +193,364+185.6% | Added |
| Driehaus Capital Management LLC | 380,768 | $9.68M | 0.07% | +380,768 | New |
| Goldman Sachs Group Inc | 413,426 | $10.5M | 0.00% | +281,314+212.9% | Added |
| Franklin Resources Inc | 542,216 | $13.8M | 0.00% | +234,329+76.1% | Added |
| Schonfeld Strategic Advisors LLC | 656,552 | $16.7M | 0.14% | +434,742+196.0% | Added |
| Vanguard Capital Management LLC | 707,404 | $18.0M | 0.00% | +707,404 | New |
| Alliancebernstein L.P. | 686,098 | $19.6M | 0.01% | +290,727+73.5% | Added |
| Atreides Management, LP | 862,175 | $21.9M | 0.53% | +165,755+23.8% | Added |
| BlackRock, Inc. | 1,013,161 | $25.7M | 0.00% | +705,265+229.1% | Added |
| T. Rowe Price Investment Management, Inc. | 1,267,551 | $32.2M | 0.02% | +1,267,551 | New |
| Kadensa Capital Ltd | 0 | $0 | 0.00% | −394,991−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −59,248−100.0% | Sold out |
| Seven Grand Managers, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |