Ambiq MicroAMBQ
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 184 institutions reported holding Ambiq Micro Inc. (AMBQ) in their 13F filings, up 87 from Q1 2026. 98 opened new positions and 10 sold out. The largest holders were BlackRock, Inc. ($121.9M), T. Rowe Price Investment Management, Inc. ($88.9M) and D. E. Shaw & Co. ($86.9M). 8 famous investors held it, including Gavin Baker (0.7% of Atreides Management's portfolio), David E. Shaw (0.1% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Ambiq Micro Inc.
- CUSIP
- 023193105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 98 | $417.6M |
| Exits | 10 | $10.8M |
All 13F filers, Q1 2026 → Q2 2026: 8,551,390 shares bought and 2,297,349 shares sold, net +6,254,041 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 184 holders
| BlackRock, Inc. | 0.00% | Add +36.3% | 1,380,623 | $121.9M |
| T. Rowe Price Investment Management, Inc. | 0.06% | Reduce -20.6% | 1,006,359 | $88.9M |
| D. E. Shaw & Co. | 0.06% | New | 983,916 | $86.9M |
| Atreides Management | 0.69% | Add +1.7% | 877,123 | $77.4M |
| State Street Corp. | 0.00% | Add +231.2% | 861,979 | $76.1M |
| Vanguard Capital Management LLC | 0.00% | Add +8.6% | 768,539 | $67.9M |
| Two Sigma Investments, LP | 0.05% | Add +1671.5% | 651,786 | $57.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +8.1% | 446,950 | $39.5M |
| Geode Capital Management, LLC | 0.00% | Add +14.0% | 339,327 | $30.0M |
| Needham Investment Management LLC | 0.86% | Add +61.9% | 323,700 | $28.6M |
| Schonfeld Strategic Advisors LLC | 0.15% | Reduce -52.0% | 315,455 | $27.9M |
| Silvercrest Asset Management Group LLC | 0.18% | Add +9.5% | 309,096 | $27.3M |
| Jane Street Group, LLC | 0.02% | New | 294,802 | $26.0M |
| Millennium Management | 0.02% | Add +62.9% | 289,206 | $25.5M |
| Driehaus Capital Management LLC | 0.15% | Reduce -24.1% | 288,979 | $25.5M |
| Neuberger Berman Group LLC | 0.02% | New | 272,126 | $24.0M |
| First Eagle Investment Management, LLC | 0.04% | Reduce -12.4% | 244,394 | $21.6M |
| Emerald Advisers, LLC | 0.51% | New | 243,664 | $21.5M |
| HRT Financial LP | 0.04% | New | 225,639 | $19.9M |
| Franklin Resources Inc. | 0.00% | Reduce -58.7% | 223,763 | $19.8M |
| Voloridge Investment Management, LLC | 0.08% | New | 223,276 | $19.7M |
| Cooper Creek Partners Management LLC | 0.81% | New | 220,000 | $19.4M |
| Renaissance Technologies | 0.03% | Add +404.1% | 214,756 | $19.0M |
| Walleye Capital LLC | 0.10% | Add +1777.0% | 214,528 | $18.9M |
| BNP Paribas Financial Markets | 0.01% | Add +5150.2% | 204,181 | $18.0M |
| Bank of America Corp. | 0.00% | Add +323.2% | 203,273 | $17.9M |
| JPMorgan Chase & Co. | 0.00% | Add +162.4% | 200,790 | $17.1M |
| Morgan Stanley | 0.00% | Add +479.6% | 182,007 | $16.1M |
| Alliancebernstein L.P. | 0.01% | Reduce -11.2% | 609,607 | $15.5M |
| Vanguard Portfolio Management LLC | 0.00% | Add +6.9% | 169,890 | $15.0M |
| Wellington Management Group LLP | 0.00% | New | 168,139 | $14.8M |
| Deutsche Bank AG | 0.00% | Add +618.7% | 165,367 | $14.6M |
| Gilder Gagnon Howe & Co. LLC | 0.15% | Add +45.7% | 159,623 | $14.1M |
| Emerald Mutual Fund Advisers Trust | 0.49% | New | 159,131 | $14.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +950.5% | 156,906 | $13.9M |
| Softbank Group Corp. | 0.07% | No change | 148,939 | $13.2M |
| Nuveen, LLC | 0.00% | Add +289.0% | 138,965 | $12.3M |
| Northern Trust Corp. | 0.00% | Add +18.0% | 130,802 | $11.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.02% | New | 126,029 | $11.1M |
| Citadel Advisors | 0.01% | New | 122,425 | $10.8M |
| Hood River Capital Management LLC | 0.08% | New | 121,738 | $10.7M |
| S Squared Technology, LLC | 3.31% | Reduce -37.4% | 120,773 | $10.7M |
| Lord, Abbett & Co. LLC | 0.03% | New | 118,432 | $10.5M |
| Marshall Wace, LLP | 0.01% | New | 109,488 | $9.7M |
| Barclays PLC | 0.00% | Add +2007.1% | 99,686 | $8.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +21.4% | 98,449 | $8.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +27.8% | 83,127 | $7.3M |
| Wasatch Advisors LP | 0.05% | Reduce -67.9% | 81,559 | $7.2M |
| Moody Aldrich Partners LLC | 1.29% | New | 81,393 | $7.2M |
| Acadian Asset Management LLC | 0.01% | New | 78,902 | $7.0M |
| Point72 Asset Management | 0.01% | New | 77,165 | $6.8M |
| Voleon Capital Management LP | 0.12% | New | 75,980 | $6.7M |
| Public Sector Pension Investment Board | 0.02% | New | 75,200 | $6.6M |
| Ghisallo Capital Management LLC | 0.16% | Add +275.0% | 75,000 | $6.6M |
| Trexquant Investment LP | 0.04% | New | 73,600 | $6.5M |
| Summit Partners Public Asset Management, LLC | 0.15% | Reduce -57.1% | 66,697 | $5.9M |
| Algert Global LLC | 0.07% | New | 66,008 | $5.8M |
| Woodline Partners LP | 0.02% | New | 64,484 | $5.7M |
| Squarepoint Ops LLC | 0.01% | Add +603.5% | 63,228 | $5.6M |
| Roubaix Capital, LLC | 1.69% | Reduce -57.7% | 53,257 | $4.7M |
| Informed Momentum Co LLC | 0.40% | New | 50,968 | $4.5M |
| Burkehill Global Management, LP | 0.17% | New | 50,000 | $4.4M |
| LMR Partners LLP | 0.04% | New | 50,000 | $4.4M |
| Tudor Investment Corporation | 0.02% | New | 49,508 | $4.4M |
| Bank of New York Mellon Corp | 0.00% | Add +15.8% | 48,659 | $4.3M |
| FMR LLC | 0.00% | Add +5749.8% | 44,634 | $3.9M |
| Readystate Asset Management LP | 0.22% | Reduce -9.5% | 37,930 | $3.3M |
| UBS Group AG | 0.00% | Reduce -78.4% | 35,786 | $3.2M |
| Los Angeles Capital Management LLC | 0.01% | Reduce -61.8% | 35,400 | $3.1M |
| Element Capital Management LLC | 0.16% | New | 34,257 | $3.0M |
| G2 Investment Partners Management LLC | 0.53% | New | 33,000 | $2.9M |
| Sei Investments Co. | 0.00% | New | 31,411 | $2.8M |
| Jacobs Levy Equity Management, Inc. | 0.01% | New | 30,196 | $2.7M |
| Titan Global Capital Management USA LLC | 0.33% | New | 29,554 | $2.6M |
| Numerai GP LLC | 0.17% | New | 24,192 | $2.1M |
| Ameriprise Financial Inc. | 0.00% | Reduce -35.2% | 23,821 | $2.1M |
| Gsa Capital Partners LLP | 0.13% | New | 22,899 | $2.0M |
| TD Asset Management Inc | 0.00% | Reduce -4.3% | 22,758 | $2.0M |
| Kornitzer Capital Management Inc. | 0.04% | Reduce -16.7% | 22,023 | $1.9M |
| Rhumbline Advisers | 0.00% | Add +55.7% | 21,856 | $1.9M |
| HighTower Advisors, LLC | 0.00% | Add +0.5% | 21,768 | $1.9M |
| Occudo Quantitative Strategies LP | 0.10% | New | 21,398 | $1.9M |
| Citigroup Inc. | 0.00% | Add +389.1% | 21,001 | $1.9M |
| Toronado Partners, LLC | 4.78% | Reduce -9.4% | 19,225 | $1.7M |
| Capital Asset Advisory Services LLC | 0.06% | No change | 18,928 | $1.7M |
| Axxcess Wealth Management, LLC | 0.03% | New | 18,928 | $1.7M |
| Glenmede Trust Co. NA | 0.01% | New | 18,329 | $1.6M |
| Wells Fargo & Company | 0.00% | Add +147.6% | 17,012 | $1.5M |
| XTX Topco Ltd | 0.02% | Reduce -32.7% | 16,723 | $1.5M |
| Quadrature Capital Ltd | 0.01% | Add +48.7% | 16,432 | $1.5M |
| Essex Investment Management Co. LLC | 0.16% | Reduce -28.8% | 13,679 | $1.2M |
| Ilex Capital Partners (UK) LLP | 0.02% | New | 13,515 | $1.2M |
| Lighthouse Investment Partners, LLC | 0.04% | New | 12,834 | $1.1M |
| Quantbot Technologies LP | 0.04% | Reduce -15.3% | 12,832 | $1.1M |
| Russell Investments Group, Ltd. | 0.00% | Add +763.3% | 12,268 | $1.1M |
| Stifel Financial Corp. | 0.00% | Reduce -56.3% | 12,112 | $1.1M |
| Envestnet Asset Management Inc. | 0.00% | New | 11,532 | $1.0M |
| MetLife Investment Management, LLC | 0.00% | Add +7.5% | 10,932 | $965K |
| FORA Capital, LLC | 0.07% | New | 10,902 | $963K |
| Quantinno Capital Management LP | 0.00% | New | 10,878 | $961K |
| State of Wyoming | 0.10% | New | 10,658 | $941K |
| American Century Companies Inc. | 0.00% | New | 10,630 | $939K |
| Alyeska Investment Group, L.P. | 0.00% | Reduce -86.8% | 10,329 | $912K |
| Invesco Ltd. | 0.00% | New | 10,205 | $901K |
| ProShare Advisors LLC | 0.00% | New | 9,227 | $815K |
| Spark Investment Management LLC | 1.52% | New | 8,800 | $777K |
| Perpetual Ltd | 0.01% | Reduce -47.9% | 8,671 | $766K |
| DNB Asset Management AS | 0.00% | New | 8,587 | $758K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +0.8% | 8,562 | $756K |
| Entropy Technologies, LP | 0.03% | New | 8,415 | $743K |
| Jain Global LLC | 0.01% | New | 8,029 | $709K |
| Susquehanna International Group, LLP | 0.00% | New | 7,726 | $682K |
| Inspire Investing, LLC | 0.03% | Reduce -63.3% | 7,640 | $675K |
| Boothbay Fund Management, LLC | 0.01% | New | 7,099 | $627K |
| New York State Common Retirement Fund | 0.00% | Add +305.9% | 6,900 | $609K |
| AQR Capital Management | 0.00% | New | 6,779 | $599K |
| SG Americas Securities, LLC | 0.00% | New | 6,688 | $591K |
| Prelude Capital Management, LLC | 0.04% | New | 6,292 | $556K |
| Axq Capital, LP | 0.06% | New | 6,103 | $539K |
| Engineers Gate Manager LP | 0.01% | New | 5,942 | $525K |
| Diametric Capital, LP | 0.06% | New | 5,935 | $524K |
| Canada Pension Plan Investment Board | 0.00% | New | 5,500 | $486K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +19.7% | 5,484 | $484K |
| Lotus Technology Management, LP | 0.59% | New | 5,443 | $481K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 5,436 | $480K |
| Intech Investment Management LLC | 0.00% | New | 5,209 | $460K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 4,916 | $434K |
| Fuller & Thaler Asset Management, Inc. | 0.00% | New | 4,867 | $430K |
| Magnetar Financial LLC | 0.00% | New | 4,865 | $430K |
| Kingswood Wealth Advisors, LLC | 0.02% | New | 4,850 | $428K |
| Royal Bank of Canada | 0.00% | Reduce -61.3% | 4,488 | $397K |
| LPL Financial LLC | 0.00% | New | 4,491 | $397K |
| Orion Porfolio Solutions, LLC | 0.00% | New | 4,198 | $371K |
| Voya Investment Management LLC | 0.00% | New | 3,590 | $317K |
| Bank of Nova Scotia | 0.00% | New | 3,500 | $309K |
| Centiva Capital, LP | 0.01% | New | 3,468 | $306K |
| Two Sigma Securities, LLC | 0.03% | New | 3,321 | $293K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -1.4% | 3,087 | $273K |
| Prudential Financial Inc. | 0.00% | New | 3,025 | $267K |
| Resolute Advisors LLC | 0.06% | New | 3,000 | $265K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 3,000 | $265K |
| Calamos Advisors LLC | 0.00% | New | 2,727 | $241K |
| nVerses Capital, LLC | 0.36% | New | 2,675 | $236K |
| Azimuth Capital Investment Management LLC | 0.01% | New | 2,650 | $234K |
| Mercer Global Advisors Inc. | 0.00% | New | 2,602 | $230K |
| US Bancorp \de | 0.00% | New | 2,499 | $221K |
| Brevan Howard Capital Management LP | 0.00% | New | 2,452 | $217K |
| IMC-Chicago, LLC | 0.00% | New | 2,291 | $202K |
| SBI Securities Co., Ltd. | 0.00% | Add +151.5% | 2,090 | $185K |
| Legal & General Group Plc | 0.00% | Add +13.9% | 1,804 | $159K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +13.8% | 1,687 | $149K |
| Natixis | 0.00% | New | 1,487 | $132K |
| Aster Capital Management (DIFC) Ltd | 0.02% | New | 1,290 | $114K |
| IFG Advisory, LLC | 0.00% | New | 1,125 | $99K |
| STRS Ohio | 0.00% | Add +25.0% | 1,000 | $88K |
| Group One Trading LLC | 0.00% | New | 883 | $78K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -57.0% | 579 | $51K |
| California State Teachers Retirement System | 0.00% | Reduce -74.3% | 254 | $22K |
| Nisa Investment Advisors, LLC | 0.00% | New | 236 | $21K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | No change | 227 | $20K |
| Arax Advisory Partners | 0.00% | Add +4360.0% | 223 | $20K |
| Versant Capital Management, Inc | 0.00% | New | 190 | $17K |
| Simplex Trading, LLC | 0.00% | Add +345.4% | 147 | $13K |
| Farther Finance Advisors, LLC | 0.00% | Add +631.6% | 139 | $12K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -46.4% | 103 | $9K |
| Osaic Holdings, Inc. | 0.00% | Reduce -70.2% | 100 | $9K |
| Kemnay Advisory Services Inc. | 0.00% | New | 85 | $8K |
| Sterling Capital Management LLC | 0.00% | Reduce -77.6% | 65 | $6K |
| Clearstead Advisors, LLC | 0.00% | New | 60 | $5K |
| GAMMA Investing LLC | 0.00% | Add +354.6% | 50 | $4K |
| Bare Financial Services, Inc | 0.00% | New | 39 | $3K |
| Allworth Financial LP | 0.00% | Add +314.3% | 29 | $3K |
| Zions Bancorporation, National Association | 0.00% | No change | 17 | $2K |
| Quarry LP | 0.00% | New | 15 | $1K |
| Rothschild Investment LLC | 0.00% | Add +1300.0% | 14 | $1K |
| Parallel Advisors, LLC | 0.00% | New | 13 | $1K |
| Fifth Third Bancorp | 0.00% | New | 10 | $883 |
| Hughes Financial Services, LLC | 0.00% | New | 7 | $618 |
| Essential Partners LLC | 0.00% | Add +100.0% | 6 | $530 |
| Rialto Wealth Management, LLC | 0.00% | New | 6 | $530 |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | New | 2 | $177 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -50.0% | 1 | $88 |
| Avion Wealth | 0.00% | New | 5 | $0 |
| Coston, McIsaac & Partners | 0.00% | New | 1 | $0 |
"% of holder's portfolio" is AMBQ's weight in each manager's 13F, not the share of Ambiq Micro Inc. the manager owns.