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, 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
- 17.2M
- +6.25M (+56.9%) vs. Q1 2026
- Total value
- $1.48B
- +$1.20B (+427.1%) vs. Q1 2026
- New holders
- 98
- 50 more added
- Sold out
- 10
- 32 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 | $1.48B |
| 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, 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 |
|---|---|---|---|---|---|
| Toronado Partners, LLC | 19,225 | $1.70M | 4.78% | −1,997−9.4% | Reduced |
| Citigroup Inc | 21,001 | $1.85M | 0.00% | +16,707+389.1% | Added |
| Occudo Quantitative Strategies LP | 21,398 | $1.89M | 0.10% | +21,398 | New |
| HighTower Advisors, LLC | 21,768 | $1.92M | 0.00% | +116+0.5% | Added |
| Rhumbline Advisers | 21,856 | $1.93M | 0.00% | +7,819+55.7% | Added |
| Kornitzer Capital Management Inc | 22,023 | $1.94M | 0.04% | −4,419−16.7% | Reduced |
| TD Asset Management Inc | 22,758 | $2.01M | 0.00% | −1,012−4.3% | Reduced |
| Gsa Capital Partners LLP | 22,899 | $2.02M | 0.13% | +22,899 | New |
| Ameriprise Financial Inc | 23,821 | $2.10M | 0.00% | −12,962−35.2% | Reduced |
| Numerai GP LLC | 24,192 | $2.14M | 0.17% | +24,192 | New |
| Titan Global Capital Management USA LLC | 29,554 | $2.61M | 0.33% | +29,554 | New |
| Jacobs Levy Equity Management, Inc | 30,196 | $2.67M | 0.01% | +30,196 | New |
| SEI Investments Co | 31,411 | $2.77M | 0.00% | +31,411 | New |
| G2 Investment Partners Management LLC | 33,000 | $2.91M | 0.53% | +33,000 | New |
| Element Capital Management LLC | 34,257 | $3.02M | 0.16% | +34,257 | New |
| Los Angeles Capital Management LLC | 35,400 | $3.13M | 0.01% | −57,184−61.8% | Reduced |
| UBS Group AG | 35,786 | $3.16M | 0.00% | −130,051−78.4% | Reduced |
| Readystate Asset Management LP | 37,930 | $3.35M | 0.14% | −3,987−9.5% | Reduced |
| FMR LLC | 44,634 | $3.94M | 0.00% | +43,871+5,749.8% | Added |
| Bank of New York Mellon Corp | 48,659 | $4.30M | 0.00% | +6,629+15.8% | Added |
| Tudor Investment Corp Et Al | 49,508 | $4.37M | 0.02% | +49,508 | 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 |
| EAM Investors, LLC | 50,968 | $4.50M | 0.40% | +50,968 | New |
| Roubaix Capital, LLC | 53,257 | $4.70M | 1.69% | −72,564−57.7% | Reduced |
| Squarepoint Ops LLC | 63,228 | $5.58M | 0.01% | +54,240+603.5% | Added |
| Woodline Partners LP | 64,484 | $5.69M | 0.02% | +64,484 | New |
| Algert Global LLC | 66,008 | $5.83M | 0.07% | +66,008 | New |
| Summit Partners Public Asset Management, LLC | 66,697 | $5.89M | 0.15% | −88,900−57.1% | Reduced |
| Trexquant Investment LP | 73,600 | $6.50M | 0.04% | +73,600 | New |
| Ghisallo Capital Management LLC | 75,000 | $6.62M | 0.13% | +55,000+275.0% | Added |
| Public Sector Pension Investment Board | 75,200 | $6.64M | 0.02% | +75,200 | New |
| Voleon Capital Management LP | 75,980 | $6.71M | 0.12% | +75,980 | New |
| Point72 Asset Management, L.P. | 77,165 | $6.81M | 0.01% | +77,165 | New |
| Acadian Asset Management LLC | 78,902 | $6.96M | 0.01% | +78,902 | New |
| Moody Aldrich Partners LLC | 81,393 | $7.19M | 1.29% | +81,393 | New |
| Wasatch Advisors Inc | 81,559 | $7.20M | 0.05% | −172,744−67.9% | Reduced |
| Vanguard Fiduciary Trust Co | 83,127 | $7.34M | 0.00% | +18,085+27.8% | Added |
| Charles Schwab Investment Management Inc | 98,449 | $8.69M | 0.00% | +17,382+21.4% | Added |
| Barclays PLC | 99,686 | $8.80M | 0.00% | +94,955+2,007.1% | Added |
| Marshall Wace, LLP | 109,488 | $9.67M | 0.01% | +109,488 | New |
| Lord, Abbett & Co. LLC | 118,432 | $10.5M | 0.03% | +118,432 | New |
| S Squared Technology, LLC | 120,773 | $10.7M | 3.31% | −72,000−37.3% | Reduced |
| Hood River Capital Management LLC | 121,738 | $10.7M | 0.08% | +121,738 | New |
| Citadel Advisors LLC | 122,425 | $10.8M | 0.01% | +122,425 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 126,029 | $11.1M | 0.02% | +126,029 | New |
| Northern Trust Corp | 130,802 | $11.5M | 0.00% | +19,955+18.0% | Added |
| Nuveen, LLC | 138,965 | $12.3M | 0.00% | +103,244+289.0% | Added |
| Softbank Group Corp | 148,939 | $13.2M | 0.07% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 156,906 | $13.9M | 0.00% | +141,970+950.5% | Added |
| Emerald Mutual Fund Advisers Trust | 159,131 | $14.1M | 0.49% | +159,131 | New |
| Gilder Gagnon Howe & Co LLC | 159,623 | $14.1M | 0.15% | +50,046+45.7% | Added |
| Deutsche Bank AG | 165,367 | $14.6M | 0.00% | +142,357+618.7% | Added |
| Wellington Management Group LLP | 168,139 | $14.8M | 0.00% | +168,139 | New |
| Vanguard Portfolio Management LLC | 169,890 | $15.0M | 0.00% | +10,989+6.9% | Added |
| Alliancebernstein L.P. | 609,607 | $15.5M | 0.01% | −76,491−11.1% | Reduced |
| Morgan Stanley | 182,007 | $16.1M | 0.00% | +150,602+479.5% | Added |
| JPMorgan Chase & Co | 200,790 | $17.1M | 0.00% | +124,271+162.4% | Added |
| Bank of America Corp | 203,273 | $17.9M | 0.00% | +155,240+323.2% | Added |
| BNP Paribas Arbitrage, SA | 204,181 | $18.0M | 0.01% | +200,292+5,150.2% | Added |
| Walleye Capital LLC | 214,528 | $18.9M | 0.09% | +203,099+1,777.0% | Added |
| Renaissance Technologies LLC | 214,756 | $19.0M | 0.03% | +172,156+404.1% | Added |
| Cooper Creek Partners Management LLC | 220,000 | $19.4M | 0.81% | +220,000 | New |
| Voloridge Investment Management, LLC | 223,276 | $19.7M | 0.08% | +223,276 | New |
| Franklin Resources Inc | 223,763 | $19.8M | 0.00% | −318,453−58.7% | Reduced |
| HRT Financial LP | 225,639 | $19.9M | 0.04% | +225,639 | New |
| Emerald Advisers, LLC | 243,664 | $21.5M | 0.51% | +243,664 | New |
| First Eagle Investment Management, LLC | 244,394 | $21.6M | 0.04% | −34,679−12.4% | Reduced |
| Neuberger Berman Group LLC | 272,126 | $24.0M | 0.02% | +272,126 | New |
| Driehaus Capital Management LLC | 288,979 | $25.5M | 0.15% | −91,789−24.1% | Reduced |
| Millennium Management LLC | 289,206 | $25.5M | 0.02% | +111,650+62.9% | Added |
| Jane Street Group, LLC | 294,802 | $26.0M | 0.02% | +294,802 | New |
| Silvercrest Asset Management Group LLC | 309,096 | $27.3M | 0.18% | +26,723+9.5% | Added |
| Schonfeld Strategic Advisors LLC | 315,455 | $27.9M | 0.15% | −341,097−52.0% | Reduced |
| Needham Investment Management LLC | 323,700 | $28.6M | 0.86% | +123,700+61.9% | Added |
| Geode Capital Management, LLC | 339,327 | $30.0M | 0.00% | +41,779+14.0% | Added |
| Goldman Sachs Group Inc | 446,950 | $39.5M | 0.00% | +33,524+8.1% | Added |
| Two Sigma Investments, LP | 651,786 | $57.6M | 0.04% | +614,992+1,671.4% | Added |
| Vanguard Capital Management LLC | 768,539 | $67.9M | 0.00% | +61,135+8.6% | Added |
| State Street Corp | 861,979 | $76.1M | 0.00% | +601,752+231.2% | Added |
| Atreides Management, LP | 877,123 | $77.4M | 0.69% | +14,948+1.7% | Added |
| D. E. Shaw & Co., Inc. | 983,916 | $86.9M | 0.05% | +983,916 | New |
| T. Rowe Price Investment Management, Inc. | 1,006,359 | $88.9M | 0.06% | −261,192−20.6% | Reduced |
| BlackRock, Inc. | 1,380,623 | $121.9M | 0.00% | +367,462+36.3% | Added |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −201,335−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −103,756−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −64,247−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −55,568−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −779−100.0% | Sold out |
| Hurley Capital, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Rachor Investment Advisory Services, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |