AMBQ
Ambiq Micro, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth -2.6% ·
share flow +4.7% ·
net new positions 0.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Alliancebernstein L.P. | 395.37K | n/a | $11.27M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 328.18K | +6.6% | $9.35M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 3 | BlackRock ✦ (passive) | 307.90K | +5.5% | $8.78M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 4 | Franklin Resources Inc | 307.89K | n/a | $8.77M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | First Eagle Investment Management… | 189.72K | n/a | $5.41M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Goldman Sachs Group ✦ | 132.11K | +8.8% | $3.77M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 7 | Geode Capital Management ✦ (passive) | 104.18K | +6.3% | $2.97M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 8 | State Street Global Advisors ✦ (passive) | 84.51K | +16.9% | $2.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Peak6 Llc | 71.67K | n/a | $2.04M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 10 | Millennium Management ✦ | 62.02K | New | $1.77M | 0.0% | New | 1 | SEC ↗ |
| 11 | Morgan Stanley ✦ | 39.28K | +351.0% | $1.12M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 12 | UBS Group AG | 35.79K | n/a | $1.02M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 13 | Charles Schwab Investment… | 33.83K | n/a | $964,241 | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Alyeska Investment Group, L.P. | 32.83K | n/a | $935,712 | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Tudor Investment Corp Et Al | 26.98K | n/a | $768,816 | 0.0% | n/c | 1 | SEC ↗ |
| 16 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 22.18K | n/a | $632,102 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 17 | Ameriprise Financial Inc | 20.46K | n/a | $582,996 | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Northern Trust Corp | 20.28K | n/a | $578,094 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 19 | Norges Bank ✦ (passive) | 20.00K | New | $570,000 | 0.0% | New | 1 | SEC ↗ |
| 20 | D. E. Shaw & Co. ✦ | 19.57K | +29.0% | $557,859 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Deutsche Bank Ag\ | 15.39K | n/a | $438,587 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 22 | JPMorgan Chase ✦ | 12.69K | +238.1% | $361,695 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 23 | Bank of New York Mellon Corp | 10.82K | n/a | $308,314 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 24 | Barclays Plc | 8.45K | n/a | $240,854 | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Bank Of America Corp /De/ | 6.56K | n/a | $186,932 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 26 | Wells Fargo & Company/Mn | 5.34K | n/a | $152,304 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 27 | Rhumbline Advisers | 3.41K | n/a | $97,127 | 0.0% | n/c | 1 | SEC ↗ |
| 28 | New York State Common Retirement… | 1.70K | n/a | $48,450 | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Osaic Holdings, Inc. | 1.59K | n/a | $45,455 | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Citigroup Inc | 1.10K | n/a | $31,379 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 31 | Bnp Paribas Financial Markets | 989 | n/a | $28,186 | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Royal Bank Of Canada | 810 | n/a | $24,000 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 33 | Fidelity (FMR) ✦ | 572 | +415.3% | $16,290 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 34 | Legal & General Group Plc | 473 | n/a | $13,481 | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Russell Investments Group, Ltd. | 412 | n/a | $11,742 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 36 | California State Teachers… | 287 | n/a | $8,180 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Cwm, Llc | 49 | n/a | $1,000 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $1.77M | 0.0% |
| Norges Bank | $570,000 | 0.0% |
Exited
| Citadel Advisors | $1.80M | was 0.0% |
| Two Sigma Investments | $223,383 | 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 · 5.51K sh · $365,625
Officer · 100 sh · $6,951
Officer · 800 sh · $54,461
Officer · 1.80K sh · $120,913
Officer, Director · 862 sh · $61,943
Officer, Director · 8.59K sh · $598,994
Officer, Director · 7.11K sh · $491,567
Officer, Director · 452 sh · $32,480
Officer, Director · 4.50K sh · $313,975
Officer, Director · 3.73K sh · $257,636
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology