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