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 $1.51B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Ambiq Micro, Inc. as of Jun 30, 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
- 184
- +88 vs. Q1 2026
- Shares held
- 17.5M
- +6.50M (+59.1%) vs. Q1 2026
- Total value
- $1.51B
- +$1.22B (+434.8%) vs. Q1 2026
- New holders
- 98
- 51 more added
- Sold out
- 10
- 31 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $1.51B |
| Q1 2026 | 97 | $281.5M |
| Q4 2025 | 75 | $135.4M |
| Q3 2025 | 73 | $135.8M |
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Ambiq Micro, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,380,623 | $121.9M | 0.00% | +367,462+36.3% | Added |
| T. Rowe Price Investment Management, Inc. | 1,006,359 | $88.9M | 0.06% | −261,192−20.6% | Reduced |
| D. E. Shaw & Co., Inc. | 983,916 | $86.9M | 0.05% | +983,916 | New |
| Atreides Management, LP | 877,123 | $77.4M | 0.69% | +14,948+1.7% | Added |
| State Street Corp | 861,979 | $76.1M | 0.00% | +601,752+231.2% | Added |
| Vanguard Capital Management LLC | 768,539 | $67.9M | 0.00% | +61,135+8.6% | Added |
| Two Sigma Investments, LP | 651,786 | $57.6M | 0.04% | +614,992+1,671.4% | Added |
| First Eagle Investment Management, LLC | 488,788 | $43.2M | 0.04% | +209,715+75.1% | Added |
| Goldman Sachs Group Inc | 446,950 | $39.5M | 0.00% | +33,524+8.1% | Added |
| Geode Capital Management, LLC | 339,327 | $30.0M | 0.00% | +41,779+14.0% | Added |
| Needham Investment Management LLC | 323,700 | $28.6M | 0.86% | +123,700+61.9% | Added |
| Schonfeld Strategic Advisors LLC | 315,455 | $27.9M | 0.15% | −341,097−52.0% | Reduced |
| Silvercrest Asset Management Group LLC | 309,096 | $27.3M | 0.18% | +26,723+9.5% | Added |
| Jane Street Group, LLC | 294,802 | $26.0M | 0.02% | +294,802 | New |
| Millennium Management LLC | 289,206 | $25.5M | 0.02% | +111,650+62.9% | Added |
| Driehaus Capital Management LLC | 288,979 | $25.5M | 0.15% | −91,789−24.1% | Reduced |
| Neuberger Berman Group LLC | 272,126 | $24.0M | 0.02% | +272,126 | New |
| Emerald Advisers, LLC | 243,664 | $21.5M | 0.51% | +243,664 | New |
| HRT Financial LP | 225,639 | $19.9M | 0.04% | +225,639 | New |
| Franklin Resources Inc | 223,763 | $19.8M | 0.00% | −318,453−58.7% | Reduced |
| Voloridge Investment Management, LLC | 223,276 | $19.7M | 0.08% | +223,276 | New |
| Cooper Creek Partners Management LLC | 220,000 | $19.4M | 0.81% | +220,000 | New |
| Renaissance Technologies LLC | 214,756 | $19.0M | 0.03% | +172,156+404.1% | Added |
| Walleye Capital LLC | 214,528 | $18.9M | 0.09% | +203,099+1,777.0% | Added |
| BNP Paribas Arbitrage, SA | 204,181 | $18.0M | 0.01% | +200,292+5,150.2% | Added |
| Bank of America Corp | 203,273 | $17.9M | 0.00% | +155,240+323.2% | Added |
| JPMorgan Chase & Co | 200,790 | $17.1M | 0.00% | +124,271+162.4% | Added |
| Morgan Stanley | 182,007 | $16.1M | 0.00% | +150,602+479.5% | Added |
| Alliancebernstein L.P. | 609,607 | $15.5M | 0.01% | −76,491−11.1% | Reduced |
| Vanguard Portfolio Management LLC | 169,890 | $15.0M | 0.00% | +10,989+6.9% | Added |
| Wellington Management Group LLP | 168,139 | $14.8M | 0.00% | +168,139 | New |
| Deutsche Bank AG | 165,367 | $14.6M | 0.00% | +142,357+618.7% | Added |
| Gilder Gagnon Howe & Co LLC | 159,623 | $14.1M | 0.15% | +50,046+45.7% | Added |
| Emerald Mutual Fund Advisers Trust | 159,131 | $14.1M | 0.49% | +159,131 | New |
| Price T Rowe Associates Inc | 156,906 | $13.9M | 0.00% | +141,970+950.5% | Added |
| Softbank Group Corp | 148,939 | $13.2M | 0.07% | 00.0% | Unchanged |
| Nuveen, LLC | 138,965 | $12.3M | 0.00% | +103,244+289.0% | Added |
| Northern Trust Corp | 130,802 | $11.5M | 0.00% | +19,955+18.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 126,029 | $11.1M | 0.02% | +126,029 | New |
| Citadel Advisors LLC | 122,425 | $10.8M | 0.01% | +122,425 | New |
| Hood River Capital Management LLC | 121,738 | $10.7M | 0.08% | +121,738 | New |
| S Squared Technology, LLC | 120,773 | $10.7M | 3.31% | −72,000−37.3% | Reduced |
| Lord, Abbett & Co. LLC | 118,432 | $10.5M | 0.03% | +118,432 | New |
| Marshall Wace, LLP | 109,488 | $9.67M | 0.01% | +109,488 | New |
| Barclays PLC | 99,686 | $8.80M | 0.00% | +94,955+2,007.1% | Added |
| Charles Schwab Investment Management Inc | 98,449 | $8.69M | 0.00% | +17,382+21.4% | Added |
| Vanguard Fiduciary Trust Co | 83,127 | $7.34M | 0.00% | +18,085+27.8% | Added |
| Wasatch Advisors Inc | 81,559 | $7.20M | 0.05% | −172,744−67.9% | Reduced |
| Moody Aldrich Partners LLC | 81,393 | $7.19M | 1.29% | +81,393 | New |
| Acadian Asset Management LLC | 78,902 | $6.96M | 0.01% | +78,902 | New |
| Point72 Asset Management, L.P. | 77,165 | $6.81M | 0.01% | +77,165 | New |
| Voleon Capital Management LP | 75,980 | $6.71M | 0.12% | +75,980 | New |
| Public Sector Pension Investment Board | 75,200 | $6.64M | 0.02% | +75,200 | New |
| Ghisallo Capital Management LLC | 75,000 | $6.62M | 0.13% | +55,000+275.0% | Added |
| Trexquant Investment LP | 73,600 | $6.50M | 0.04% | +73,600 | New |
| Summit Partners Public Asset Management, LLC | 66,697 | $5.89M | 0.15% | −88,900−57.1% | Reduced |
| Algert Global LLC | 66,008 | $5.83M | 0.07% | +66,008 | New |
| Woodline Partners LP | 64,484 | $5.69M | 0.02% | +64,484 | New |
| Squarepoint Ops LLC | 63,228 | $5.58M | 0.01% | +54,240+603.5% | Added |
| Roubaix Capital, LLC | 53,257 | $4.70M | 1.69% | −72,564−57.7% | Reduced |
| EAM Investors, LLC | 50,968 | $4.50M | 0.40% | +50,968 | New |
| LMR Partners LLP | 50,000 | $4.42M | 0.03% | +50,000 | New |
| Burkehill Global Management, LP | 50,000 | $4.42M | 0.16% | +50,000 | New |
| Tudor Investment Corp Et Al | 49,508 | $4.37M | 0.02% | +49,508 | New |
| Bank of New York Mellon Corp | 48,659 | $4.30M | 0.00% | +6,629+15.8% | Added |
| FMR LLC | 44,634 | $3.94M | 0.00% | +43,871+5,749.8% | Added |
| Readystate Asset Management LP | 37,930 | $3.35M | 0.14% | −3,987−9.5% | Reduced |
| UBS Group AG | 35,786 | $3.16M | 0.00% | −130,051−78.4% | Reduced |
| Los Angeles Capital Management LLC | 35,400 | $3.13M | 0.01% | −57,184−61.8% | Reduced |
| Element Capital Management LLC | 34,257 | $3.02M | 0.16% | +34,257 | New |
| G2 Investment Partners Management LLC | 33,000 | $2.91M | 0.53% | +33,000 | New |
| SEI Investments Co | 31,411 | $2.77M | 0.00% | +31,411 | New |
| Jacobs Levy Equity Management, Inc | 30,196 | $2.67M | 0.01% | +30,196 | New |
| Titan Global Capital Management USA LLC | 29,554 | $2.61M | 0.33% | +29,554 | New |
| Numerai GP LLC | 24,192 | $2.14M | 0.17% | +24,192 | New |
| Ameriprise Financial Inc | 23,821 | $2.10M | 0.00% | −12,962−35.2% | Reduced |
| Gsa Capital Partners LLP | 22,899 | $2.02M | 0.13% | +22,899 | New |
| TD Asset Management Inc | 22,758 | $2.01M | 0.00% | −1,012−4.3% | Reduced |
| Kornitzer Capital Management Inc | 22,023 | $1.94M | 0.04% | −4,419−16.7% | Reduced |
| Rhumbline Advisers | 21,856 | $1.93M | 0.00% | +7,819+55.7% | Added |
| HighTower Advisors, LLC | 21,768 | $1.92M | 0.00% | +116+0.5% | Added |
| Occudo Quantitative Strategies LP | 21,398 | $1.89M | 0.10% | +21,398 | New |
| Citigroup Inc | 21,001 | $1.85M | 0.00% | +16,707+389.1% | Added |
| Toronado Partners, LLC | 19,225 | $1.70M | 4.78% | −1,997−9.4% | Reduced |
| Capital Asset Advisory Services LLC | 18,928 | $1.67M | 0.06% | 00.0% | Unchanged |
| Axxcess Wealth Management, LLC | 18,928 | $1.67M | 0.03% | +18,928 | New |
| Glenmede Trust Co NA | 18,329 | $1.62M | 0.01% | +18,329 | New |
| Wells Fargo & Company | 17,012 | $1.50M | 0.00% | +10,142+147.6% | Added |
| XTX Topco Ltd | 16,723 | $1.48M | 0.02% | −8,131−32.7% | Reduced |
| Quadrature Capital Ltd | 16,432 | $1.45M | 0.01% | +5,380+48.7% | Added |
| Essex Investment Management Co LLC | 13,679 | $1.21M | 0.16% | −5,537−28.8% | Reduced |
| Ilex Capital Partners (UK) LLP | 13,515 | $1.19M | 0.02% | +13,515 | New |
| Lighthouse Investment Partners, LLC | 12,834 | $1.13M | 0.04% | +12,834 | New |
| Quantbot Technologies LP | 12,832 | $1.13M | 0.04% | −2,324−15.3% | Reduced |
| Russell Investments Group, Ltd. | 12,268 | $1.08M | 0.00% | +10,847+763.3% | Added |
| Stifel Financial Corp | 12,112 | $1.07M | 0.00% | −15,583−56.3% | Reduced |
| Envestnet Asset Management Inc | 11,532 | $1.02M | 0.00% | +11,532 | New |
| MetLife Investment Management | 10,932 | $965.3K | 0.00% | +763+7.5% | Added |
| FORA Capital, LLC | 10,902 | $963.2K | 0.07% | +10,902 | New |
| Quantinno Capital Management LP | 10,878 | $960.5K | 0.00% | +10,878 | New |