Ambiq MicroAMBQ
13F holders, Q2 2026 (June 30)184holders +87
98new positions
10sold out
8famous investors
$86.04avg. 13F price*
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 |
"% of holder's portfolio" is AMBQ's weight in each manager's 13F, not the share of Ambiq Micro Inc. the manager owns.