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
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 1.01M | +229.1% | $25.74M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 2 | Alliancebernstein L.P. | 686.10K | +73.5% | $19.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 707.40K | n/a | $17.98M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Franklin Resources Inc | 542.22K | +76.1% | $13.78M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Goldman Sachs Group ✦ | 413.43K | +212.9% | $10.51M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 6 | Geode Capital Management ✦ (passive) | 297.55K | +185.6% | $7.56M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 7 | First Eagle Investment Management… | 279.07K | +47.1% | $7.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | State Street Global Advisors ✦ (passive) | 260.23K | +207.9% | $6.61M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | Millennium Management ✦ | 177.56K | +186.3% | $4.51M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | UBS Group AG | 165.84K | +363.4% | $4.21M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 11 | Northern Trust Corp | 110.85K | +446.5% | $2.82M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 12 | Charles Schwab Investment… | 81.07K | +139.6% | $2.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | Alyeska Investment Group, L.P. | 78.31K | +138.5% | $1.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | JPMorgan Chase ✦ | 76.52K | +502.9% | $1.81M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 15 | Lazard Asset Management Llc | 64.25K | New | $1.63M | 0.0% | New | 1 | SEC ↗ |
| 16 | Bank Of America Corp /De/ | 48.03K | +632.3% | $1.22M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 17 | Renaissance Technologies ✦ | 42.60K | New | $1.08M | 0.0% | New | 1 | SEC ↗ |
| 18 | Bank of New York Mellon Corp | 42.03K | +288.5% | $1.07M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 19 | Two Sigma Investments ✦ | 36.79K | New | $934,936 | 0.0% | New | 1 | SEC ↗ |
| 20 | Ameriprise Financial Inc | 36.78K | +79.8% | $934,656 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Nuveen, LLC | 35.72K | New | $907,671 | 0.0% | New | 1 | SEC ↗ ×2 |
| 22 | Morgan Stanley ✦ | 31.41K | -20.1% | $798,000 | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 23 | Stifel Financial Corp | 27.70K | New | $703,729 | 0.0% | New | 1 | SEC ↗ |
| 24 | Td Asset Management Inc | 23.77K | New | $603,996 | 0.0% | New | 1 | SEC ↗ |
| 25 | Deutsche Bank Ag\ | 23.01K | +49.5% | $584,684 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 26 | HighTower Advisors, LLC | 21.65K | New | $550,177 | 0.0% | New | 1 | SEC ↗ |
| 27 | T. Rowe Price ✦ | 14.94K | New | $381,000 | 0.0% | New | 1 | SEC ↗ ×2 |
| 28 | Rhumbline Advisers | 14.04K | +311.9% | $356,673 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Royal Bank Of Canada | 11.60K | +1332.1% | $295,000 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 30 | Squarepoint Ops LLC | 8.99K | New | $228,385 | 0.0% | New | 1 | SEC ↗ |
| 31 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 8.49K | -61.7% | $215,782 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 32 | Wells Fargo & Company/Mn | 6.87K | +28.6% | $174,567 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 33 | Barclays Plc | 4.73K | -44.0% | $120,215 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 34 | Citigroup Inc | 4.29K | +290.0% | $109,110 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 35 | Bnp Paribas Financial Markets | 3.89K | +293.2% | $98,819 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | New York State Common Retirement… | 1.70K | 0.0% | $43,197 | 0.0% | Held | 2 | SEC ↗ |
| 37 | Legal & General Group Plc | 1.58K | +234.9% | $40,249 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Russell Investments Group, Ltd. | 1.42K | +244.9% | $36,108 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 39 | California State Teachers… | 989 | +244.6% | $25,130 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Fidelity (FMR) ✦ | 763 | +33.4% | $19,388 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Osaic Holdings, Inc. | 335 | -79.0% | $8,511 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | UBS AM, a distinct business unit of… | 227 | New | $5,768 | 0.0% | New | 1 | SEC ↗ |
| 43 | Cwm, Llc | 91 | +85.7% | $2,312 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | 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% |
| 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% |
| Squarepoint Ops LLC | $228,385 | 0.0% |
| UBS AM, a distinct business… | $5,768 | 0.0% |
| Simplex Trading, Llc | $838 | 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 · 1.20K sh · $62,226
Officer, Director · 500 sh · $25,011
Officer, Director · 500 sh · $24,567
Officer, Director · 900 sh · $45,074
Officer, Director · 1.80K sh · $93,351
Officer, Director · 2.80K sh · $143,214
Officer, Director · 3.70K sh · $189,148
Officer, Director · 600 sh · $29,436
Officer · 4.00K sh · $213,745
Officer · 2.00K sh · $104,936
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology