Ambiq MicroAMBQ
13F holders, Q1 2026 (March 31)97holders +22
32new positions
12sold out
3famous investors
$25.61avg. 13F price*
At the end of Q1 2026, 97 institutions reported holding Ambiq Micro Inc. (AMBQ) in their 13F filings, up 22 from Q4 2025. 32 opened new positions and 12 sold out. The largest holders were T. Rowe Price Investment Management, Inc. ($32.2M), BlackRock, Inc. ($25.7M) and Atreides Management ($21.9M). 3 famous investors held it, including Gavin Baker (0.5% of Atreides Management's portfolio), Israel Englander (0.0% of Millennium Management'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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 32 | $66.8M |
| Exits | 12 | $17.3M |
All 13F filers, Q4 2025 → Q1 2026: 6,326,764 shares bought and 634,169 shares sold, net +5,692,595 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 97 holders
| T. Rowe Price Investment Management, Inc. | 0.02% | New | 1,267,551 | $32.2M |
| BlackRock, Inc. | 0.00% | Add +229.1% | 1,013,161 | $25.7M |
| Atreides Management | 0.53% | Add +23.8% | 862,175 | $21.9M |
| Alliancebernstein L.P. | 0.01% | Add +73.5% | 686,098 | $19.6M |
| Vanguard Capital Management LLC | 0.00% | — | 707,404 | $18.0M |
| Schonfeld Strategic Advisors LLC | 0.14% | Add +196.0% | 656,552 | $16.7M |
| Franklin Resources Inc. | 0.00% | Add +76.1% | 542,216 | $13.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +212.9% | 413,426 | $10.5M |
| Driehaus Capital Management LLC | 0.07% | New | 380,768 | $9.7M |
| Geode Capital Management, LLC | 0.00% | Add +185.6% | 297,548 | $7.6M |
| Silvercrest Asset Management Group LLC | 0.05% | Add +49.6% | 282,373 | $7.2M |
| First Eagle Investment Management, LLC | 0.01% | Add +47.1% | 279,073 | $7.1M |
| State Street Corp. | 0.00% | Add +207.9% | 260,227 | $6.6M |
| Wasatch Advisors LP | 0.04% | Add +16.9% | 254,303 | $6.5M |
| Polar Asset Management Partners Inc. | 0.17% | Add +671.8% | 201,335 | $5.1M |
| Needham Investment Management LLC | 0.26% | New | 200,000 | $5.1M |
| S Squared Technology, LLC | 1.85% | New | 192,773 | $4.9M |
| Millennium Management | 0.00% | Add +186.3% | 177,556 | $4.5M |
| UBS Group AG | 0.00% | Add +363.4% | 165,837 | $4.2M |
| Vanguard Portfolio Management LLC | 0.00% | — | 158,901 | $4.0M |
| Summit Partners Public Asset Management, LLC | 0.18% | Add +25.9% | 155,597 | $4.0M |
| Softbank Group Corp. | 0.03% | No change | 148,939 | $3.8M |
| Roubaix Capital, LLC | 1.49% | New | 125,821 | $3.2M |
| Northern Trust Corp. | 0.00% | Add +446.5% | 110,847 | $2.8M |
| Gilder Gagnon Howe & Co. LLC | 0.03% | Add +16.9% | 109,577 | $2.8M |
| Monashee Investment Management LLC | 1.70% | Add +21.9% | 103,756 | $2.6M |
| Los Angeles Capital Management LLC | 0.01% | Add +969.4% | 92,584 | $2.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +139.6% | 81,067 | $2.1M |
| Alyeska Investment Group, L.P. | 0.01% | Add +138.5% | 78,305 | $2.0M |
| JPMorgan Chase & Co. | 0.00% | Add +502.9% | 76,519 | $1.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 65,042 | $1.7M |
| Lazard Asset Management LLC | 0.00% | New | 64,247 | $1.6M |
| CenterBook Partners LP | 0.08% | New | 55,568 | $1.4M |
| Bank of America Corp. | 0.00% | Add +632.3% | 48,033 | $1.2M |
| Renaissance Technologies | 0.00% | New | 42,600 | $1.1M |
| Bank of New York Mellon Corp | 0.00% | Add +288.5% | 42,030 | $1.1M |
| Readystate Asset Management LP | 0.11% | Add +152.6% | 41,917 | $1.1M |
| Two Sigma Investments, LP | 0.00% | New | 36,794 | $935K |
| Ameriprise Financial Inc. | 0.00% | Add +79.8% | 36,783 | $935K |
| Nuveen, LLC | 0.00% | New | 35,721 | $908K |
| Morgan Stanley | 0.00% | Reduce -20.1% | 31,405 | $798K |
| Stifel Financial Corp. | 0.00% | New | 27,695 | $704K |
| Kornitzer Capital Management Inc. | 0.01% | Add +54.9% | 26,442 | $672K |
| Capital Asset Advisory Services LLC | 0.03% | New | 18,928 | $665K |
| XTX Topco Ltd | 0.01% | New | 24,854 | $632K |
| TD Asset Management Inc | 0.00% | New | 23,770 | $604K |
| Deutsche Bank AG | 0.00% | Add +49.5% | 23,010 | $585K |
| HighTower Advisors, LLC | 0.00% | New | 21,652 | $550K |
| Toronado Partners, LLC | 1.02% | New | 21,222 | $539K |
| Inspire Investing, LLC | 0.03% | Add +28.9% | 20,806 | $529K |
| Ghisallo Capital Management LLC | 0.01% | No change | 20,000 | $508K |
| Essex Investment Management Co. LLC | 0.08% | New | 19,216 | $488K |
| Perpetual Ltd | 0.01% | New | 16,649 | $423K |
| Quantbot Technologies LP | 0.02% | Add +292.1% | 15,156 | $385K |
| T. Rowe Price Associates Inc. | 0.00% | New | 14,936 | $381K |
| Rhumbline Advisers | 0.00% | Add +311.9% | 14,037 | $357K |
| Royal Bank of Canada | 0.00% | Add +1332.1% | 11,600 | $295K |
| Walleye Capital LLC | 0.00% | Reduce -1.1% | 11,429 | $290K |
| Quadrature Capital Ltd | 0.00% | New | 11,052 | $281K |
| MetLife Investment Management, LLC | 0.00% | New | 10,169 | $258K |
| Squarepoint Ops LLC | 0.00% | New | 8,988 | $228K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -61.7% | 8,492 | $216K |
| Wells Fargo & Company | 0.00% | Add +28.6% | 6,870 | $175K |
| Barclays PLC | 0.00% | Reduce -44.0% | 4,731 | $120K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +346.9% | 4,581 | $116K |
| Citigroup Inc. | 0.00% | Add +290.0% | 4,294 | $109K |
| BNP Paribas Financial Markets | 0.00% | Add +293.2% | 3,889 | $99K |
| Vanguard Global Advisers, LLC | 0.00% | — | 3,131 | $80K |
| New York State Common Retirement Fund | 0.00% | No change | 1,700 | $43K |
| Legal & General Group Plc | 0.00% | Add +234.9% | 1,584 | $40K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +281.0% | 1,482 | $38K |
| Russell Investments Group, Ltd. | 0.00% | Add +244.9% | 1,421 | $36K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +206.4% | 1,348 | $34K |
| California State Teachers Retirement System | 0.00% | Add +244.6% | 989 | $25K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -32.8% | 831 | $21K |
| STRS Ohio | 0.00% | No change | 800 | $20K |
| Aquatic Capital Management LLC | 0.00% | New | 779 | $20K |
| FMR LLC | 0.00% | Add +33.4% | 763 | $19K |
| Osaic Holdings, Inc. | 0.00% | Reduce -79.0% | 335 | $9K |
| Sterling Capital Management LLC | 0.00% | Add +114.8% | 290 | $7K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 227 | $6K |
| Hurley Capital, LLC | 0.00% | No change | 200 | $5K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 192 | $5K |
| Cwm, LLC | 0.00% | Add +85.7% | 91 | $2K |
| Simplex Trading, LLC | 0.00% | New | 33 | $838 |
| Farther Finance Advisors, LLC | 0.00% | New | 19 | $512 |
| MAI Capital Management | 0.00% | New | 20 | $509 |
| Zions Bancorporation, National Association | 0.00% | New | 17 | $432 |
| Rachor Investment Advisory Services, LLC | 0.00% | Add +44.4% | 13 | $331 |
| GAMMA Investing LLC | 0.00% | No change | 11 | $280 |
| Allworth Financial LP | 0.00% | Add +250.0% | 7 | $178 |
| Arax Advisory Partners | 0.00% | New | 5 | $127 |
| Root Financial Partners, LLC | 0.00% | New | 4 | $102 |
| Essential Partners LLC | 0.00% | Add +200.0% | 3 | $76 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +100.0% | 2 | $51 |
| True Wealth Design, LLC | 0.00% | New | 1 | $26 |
| Rothschild Investment LLC | 0.00% | Reduce -80.0% | 1 | $25 |
"% of holder's portfolio" is AMBQ's weight in each manager's 13F, not the share of Ambiq Micro Inc. the manager owns.