AMBQ
Ambiq Micro, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +22.2% ·
share flow +30.0% ·
net new positions +15.9%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 71 | +30 | 20.66M | $875.87M | +31 | −2 |
| Q1 2026 | 44 | +8 | 5.41M | $139.41M | +11 | −4 |
| Q4 2025 | 37 | -1 | 2.33M | $66.28M | +2 | −2 |
| Q3 2025 | 11 | +8 | 986.65K | $29.52M | +8 | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 1.01M | +229.1% | $25.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 1.01M | +229.1% | $25.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 1.01M | +229.1% | $25.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 1.01M | +229.1% | $25.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 1.01M | +229.1% | $25.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 1.01M | +229.1% | $25.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Alliancebernstein L.P. | 686.10K | +73.5% | $19.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Vanguard Capital Management Llc | 707.40K | — | $17.98M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Franklin Resources Inc | 542.22K | +76.1% | $13.78M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Goldman Sachs Group ✦ | 413.43K | +212.9% | $10.51M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | Goldman Sachs Group ✦ | 413.43K | +212.9% | $10.51M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | Geode Capital Management ✦ (passive) | 297.55K | +185.6% | $7.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Geode Capital Management ✦ (passive) | 297.55K | +185.6% | $7.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | First Eagle Investment Management… | 279.07K | +47.1% | $7.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | State Street Global Advisors ✦ (passive) | 260.23K | +207.9% | $6.61M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Millennium Management ✦ | 177.56K | +186.3% | $4.51M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | UBS Group AG | 165.84K | +363.4% | $4.21M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | UBS Group AG | 165.84K | +363.4% | $4.21M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | Northern Trust Corp | 110.85K | +446.5% | $2.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Northern Trust Corp | 110.85K | +446.5% | $2.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Charles Schwab Investment… | 81.07K | +139.6% | $2.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Alyeska Investment Group, L.P. | 78.31K | +138.5% | $1.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | JPMorgan Chase ✦ | 76.52K | +502.9% | $1.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | JPMorgan Chase ✦ | 76.52K | +502.9% | $1.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 25 | JPMorgan Chase ✦ | 76.52K | +502.9% | $1.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 76.52K | +502.9% | $1.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Lazard Asset Management Llc | 64.25K | New | $1.63M | 0.0% | New | 1 | SEC ↗ |
| 28 | Bank Of America Corp /De/ | 48.03K | +632.3% | $1.22M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Bank Of America Corp /De/ | 48.03K | +632.3% | $1.22M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Renaissance Technologies ✦ | 42.60K | New | $1.08M | 0.0% | New | 1 | SEC ↗ |
| 31 | Bank of New York Mellon Corp | 42.03K | +288.5% | $1.07M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Bank of New York Mellon Corp | 42.03K | +288.5% | $1.07M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Two Sigma Investments ✦ | 36.79K | New | $934,936 | 0.0% | New | 1 | SEC ↗ |
| 34 | Ameriprise Financial Inc | 36.78K | +79.8% | $934,656 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Nuveen, LLC | 35.72K | New | $907,671 | 0.0% | New | 1 | SEC ↗ |
| 36 | Nuveen, LLC | 35.72K | New | $907,671 | 0.0% | New | 1 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 31.41K | -20.1% | $798,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 31.41K | -20.1% | $798,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 31.41K | -20.1% | $798,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 31.41K | -20.1% | $798,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 31.41K | -20.1% | $798,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 31.41K | -20.1% | $798,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Stifel Financial Corp | 27.70K | New | $703,729 | 0.0% | New | 1 | SEC ↗ |
| 44 | Td Asset Management Inc | 23.77K | New | $603,996 | 0.0% | New | 1 | SEC ↗ |
| 45 | Deutsche Bank Ag\ | 23.01K | +49.5% | $584,684 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Deutsche Bank Ag\ | 23.01K | +49.5% | $584,684 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | HighTower Advisors, LLC | 21.65K | New | $550,177 | 0.0% | New | 1 | SEC ↗ |
| 48 | T. Rowe Price ✦ | 14.94K | New | $381,000 | 0.0% | New | 1 | SEC ↗ |
| 49 | T. Rowe Price ✦ | 14.94K | New | $381,000 | 0.0% | New | 1 | SEC ↗ |
| 50 | Rhumbline Advisers | 14.04K | +311.9% | $356,673 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Royal Bank Of Canada | 11.60K | +1332.1% | $295,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Royal Bank Of Canada | 11.60K | +1332.1% | $295,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Squarepoint Ops LLC | 8.99K | New | $228,385 | 0.0% | New | 1 | SEC ↗ |
| 54 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 8.49K | -61.7% | $215,782 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Wells Fargo & Company/Mn | 6.87K | +28.6% | $174,567 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Wells Fargo & Company/Mn | 6.87K | +28.6% | $174,567 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Barclays Plc | 4.73K | -44.0% | $120,215 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Barclays Plc | 4.73K | -44.0% | $120,215 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Barclays Plc | 4.73K | -44.0% | $120,215 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Citigroup Inc | 4.29K | +290.0% | $109,110 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Citigroup Inc | 4.29K | +290.0% | $109,110 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Bnp Paribas Financial Markets | 3.89K | +293.2% | $98,819 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | New York State Common Retirement… | 1.70K | 0.0% | $43,197 | 0.0% | Held | 2 | SEC ↗ |
| 64 | Legal & General Group Plc | 1.58K | +234.9% | $40,249 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Russell Investments Group, Ltd. | 1.42K | +244.9% | $36,108 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 1.42K | +244.9% | $36,108 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | California State Teachers… | 989 | +244.6% | $25,130 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Fidelity (FMR) ✦ | 763 | +33.4% | $19,388 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Osaic Holdings, Inc. | 335 | -79.0% | $8,511 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | UBS AM, a distinct business unit of… | 227 | New | $5,768 | 0.0% | New | 1 | SEC ↗ |
| 71 | Cwm, Llc | 91 | +85.7% | $2,312 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Simplex Trading, Llc | 33 | New | $838 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Lazard Asset Management Llc | $1.63M | 0.0% |
| Renaissance Technologies | $1.08M | 0.0% |
| Two Sigma Investments | $934,936 | 0.0% |
| Nuveen, LLC | $907,671 | 0.0% |
| Nuveen, LLC | $907,671 | 0.0% |
| Stifel Financial Corp | $703,729 | 0.0% |
| Td Asset Management Inc | $603,996 | 0.0% |
| HighTower Advisors, LLC | $550,177 | 0.0% |
| T. Rowe Price | $381,000 | 0.0% |
| T. Rowe Price | $381,000 | 0.0% |
| Squarepoint Ops LLC | $228,385 | 0.0% |
| UBS AM, a distinct business… | $5,768 | 0.0% |
Exited
| Peak6 Llc | $2.04M | was 0.0% |
| Tudor Investment Corp Et Al | $768,816 | was 0.0% |
| Norges Bank | $570,000 | was 0.0% |
| D. E. Shaw & Co. | $557,859 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 96 holders, 10.92M shares, $247.14M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 800 sh · $50,605
Officer, Director · 5.40K sh · $347,793
Officer, Director · 800 sh · $52,241
Officer, Director · 1.28K sh · $81,132
Officer, Director · 10.72K sh · $690,201
Officer, Director · 1.50K sh · $97,893
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology