AMBQ — AMBIQ MICRO INC
As of Q2 2026, 32 SEC-registered investment managers reported holding AMBQ (AMBIQ MICRO INC) in their latest 13F filings, with a combined reported value of $580.19M across 17.03M shares. That is +401.4% by share count (+13.64M shares) versus the previous quarter, while reported value moved +575.1%. Ownership is concentrated: the five largest holders account for 57.9% of reported value and the top ten for 75.8%.
Compared with the prior quarter, 12 opened new positions, 17 added to existing stakes, 3 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
AMBQ is classified in the Technology sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 1.38M | $121.91M | 0.00% | Add |
| D. E. Shaw & Co history | Q2 2026 | 983.92K | $86.88M | 0.04% | New |
| Two Sigma Investments history | Q2 2026 | 651.79K | $57.55M | 0.04% | Add |
| Goldman Sachs Group history | Q2 2026 | 446.95K | $39.47M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 339.33K | $29.97M | 0.00% | Add |
| Millennium Management history | Q2 2026 | 289.21K | $25.54M | 0.01% | Add |
| First Eagle Investment Management history | Q2 2026 | 244.39K | $21.58M | 0.04% | Reduce |
| Franklin Resources history | Q2 2026 | 223.76K | $19.76M | 0.01% | Reduce |
| Renaissance Technologies history | Q2 2026 | 214.76K | $18.96M | 0.03% | Add |
| Bank of America Corp history | Q2 2026 | 203.27K | $17.95M | 0.00% | Add |
| JPMorgan Chase & Co history | Q2 2026 | 200.79K | $17.08M | 0.00% | New |
| Citadel Advisors history | Q2 2026 | 193.12K | $17.05M | 0.00% | New |
| Morgan Stanley history | Q2 2026 | 182.01K | $16.07M | 0.00% | Add |
| Wellington Management Group history | Q2 2026 | 168.14K | $14.85M | 0.00% | New |
| Deutsche Bank AG history | Q2 2026 | 165.37K | $14.60M | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 130.80K | $11.55M | 0.00% | Add |
| Marshall Wace history | Q2 2026 | 109.49K | $9.67M | 0.01% | New |
| Vanguard Group history | Q4 2025 | 328.18K | $9.35M | 0.00% | Add |
| Charles Schwab Investment Management history | Q2 2026 | 98.45K | $8.69M | 0.00% | Add |
| Point72 Asset Management history | Q2 2026 | 77.17K | $6.81M | 0.01% | New |
New Positions (Q2 2026)
- D. E. Shaw & Co 983.92K sh · $86.88M
- JPMorgan Chase & Co 200.79K sh · $17.08M
- Citadel Advisors 193.12K sh · $17.05M
- Wellington Management Group 168.14K sh · $14.85M
- Marshall Wace 109.49K sh · $9.67M
- Point72 Asset Management 77.17K sh · $6.81M
- PSP Investments 75.20K sh · $6.64M
- Invesco Ltd 10.21K sh · $901.10K
- AQR Capital Management 6.78K sh · $598.59K
- CPP Investments 5.50K sh · $485.65K
- Manulife Financial 10.30M sh · $434.08K
- Prudential Financial 3.02K sh · $267.11K
Fully Exited (vs previous quarter)
- Lazard Asset Management sold 64.25K sh · $1.63M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|
| BlackRock Inc | 291.88K | 307.90K | 1.01M | 1.38M |
| D. E. Shaw & Co | 15.17K | 19.57K | — | 983.92K |
| Two Sigma Investments | 7.47K | — | 36.79K | 651.79K |
| Goldman Sachs Group | 121.40K | 132.11K | 413.43K | 446.95K |
| Geode Capital Management | 98.03K | 104.18K | 297.55K | 339.33K |
| Millennium Management | — | 62.02K | 177.56K | 289.21K |
| First Eagle Investment Management | 58.90K | 189.72K | 279.07K | 244.39K |
| Franklin Resources | 11.96K | 307.89K | 542.22K | 223.76K |
| Renaissance Technologies | — | — | 42.60K | 214.76K |
| Bank of America Corp | 5.91K | 6.56K | 48.03K | 203.27K |
| JPMorgan Chase & Co | 1.88K | 12.69K | — | 200.79K |
| Citadel Advisors | 60.00K | — | — | 193.12K |
| Morgan Stanley | 8.71K | 39.28K | 31.41K | 182.01K |
| Wellington Management Group | — | — | — | 168.14K |
| Deutsche Bank AG | 19.89K | 15.39K | 23.01K | 165.37K |
| Northern Trust Corp | 33.97K | 20.28K | 110.85K | 130.80K |
| Marshall Wace | — | — | — | 109.49K |
| Charles Schwab Investment Management | 30.85K | 33.83K | 81.07K | 98.45K |
| Point72 Asset Management | — | — | — | 77.17K |
| PSP Investments | — | — | — | 75.20K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details