Security record
AMBA
Ambarella, Inc. · Technology · Semiconductors
105Tracked holders
+2Δ holders
24.18MShares held
$2.13BReported value
+10New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth +1.9% ·
share flow -3.4% ·
net new positions +1.9%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 105 | +2 | 24.18M | $2.13B | +10 | −8 |
| Q1 2026 | 106 | +4 | 25.12M | $1.29B | +11 | −7 |
| Q4 2025 | 102 | -1 | 27.16M | $1.92B | +1 | −2 |
| Q3 2025 | 20 | +1 | 15.75M | $1.30B | +2 | −1 |
| Q2 2025 | 16 | -2 | 14.28M | $943.54M | — | −2 |
| Q1 2025 | 15 | 0 | 5.22M | $262.59M | +1 | −1 |
| Q4 2024 | 15 | +1 | 6.38M | $463.79M | +2 | −1 |
| Q3 2024 | 13 | 0 | 5.27M | $297.37M | — | — |
| Q2 2024 | 13 | — | 5.52M | $297.87M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 3.94M | +4.1% | $338.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 2.60M | +172.9% | $222.99M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 19 | T. Rowe Price ✦ | 2.60M | +172.9% | $222.99M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 2.56M | +29.7% | $219.88M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 21 | Vanguard Capital Management Llc | 1.87M | +3.2% | $160.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Manufacturers Life Insurance… | 1.19M | -25.2% | $158.19M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 23 | Legal & General Group Plc | 1.12M | +20.6% | $95.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | Legal & General Group Plc | 1.12M | +20.6% | $95.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 25 | Legal & General Group Plc | 1.12M | +20.6% | $95.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 1.10M | +6.7% | $94.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 1.10M | +6.7% | $94.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 28 | Dimensional Fund Advisors Lp | 718.15K | +12.5% | $61.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Dimensional Fund Advisors Lp | 718.15K | +12.5% | $61.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 718.15K | +12.5% | $61.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 718.15K | +12.5% | $61.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 718.15K | +12.5% | $61.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Connor, Clark & Lunn Investment… | 685.73K | +14.2% | $58.84M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 34 | Connor, Clark & Lunn Investment… | 685.73K | +14.2% | $58.84M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 611.55K | -15.6% | $52.47M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 611.55K | -15.6% | $52.47M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 611.55K | -15.6% | $52.47M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 611.55K | -15.6% | $52.47M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 611.55K | -15.6% | $52.47M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 611.55K | -15.6% | $52.47M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 611.55K | -15.6% | $52.47M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 611.55K | -15.6% | $52.47M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 43 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 562.01K | +3.7% | $47.06M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 44 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 562.01K | +3.7% | $47.06M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 45 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 562.01K | +3.7% | $47.06M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 46 | D. E. Shaw & Co. ✦ | 515.08K | +110.1% | $44.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | D. E. Shaw & Co. ✦ | 515.08K | +110.1% | $44.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | AQR Capital Management ✦ | 495.58K | -0.1% | $42.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 49 | AQR Capital Management ✦ | 495.58K | -0.1% | $42.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 495.58K | -0.1% | $42.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 495.58K | -0.1% | $42.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 495.58K | -0.1% | $42.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 495.58K | -0.1% | $42.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 54 | AQR Capital Management ✦ | 495.58K | -0.1% | $42.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 495.58K | -0.1% | $42.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 56 | Nuveen, LLC | 439.00K | -10.0% | $37.67M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Nuveen, LLC | 439.00K | -10.0% | $37.67M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | Nuveen, LLC | 439.00K | -10.0% | $37.67M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Northern Trust Corp | 403.69K | +7.7% | $34.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Northern Trust Corp | 403.69K | +7.7% | $34.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Northern Trust Corp | 403.69K | +7.7% | $34.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Northern Trust Corp | 403.69K | +7.7% | $34.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Northern Trust Corp | 403.69K | +7.7% | $34.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | BNP Paribas Asset Management… | 394.18K | +2.4% | $33.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | BNP Paribas Asset Management… | 394.18K | +2.4% | $33.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Charles Schwab Investment… | 379.55K | +4.5% | $32.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Goldman Sachs Group ✦ | 379.42K | +80.8% | $32.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 68 | Goldman Sachs Group ✦ | 379.42K | +80.8% | $32.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 69 | Goldman Sachs Group ✦ | 379.42K | +80.8% | $32.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 70 | Bank Of America Corp /De/ | 361.93K | -24.9% | $31.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Bank Of America Corp /De/ | 361.93K | -24.9% | $31.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Bank Of America Corp /De/ | 361.93K | -24.9% | $31.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | Bank Of America Corp /De/ | 361.93K | -24.9% | $31.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Bank Of America Corp /De/ | 361.93K | -24.9% | $31.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Squarepoint Ops LLC | 358.89K | -22.1% | $30.79M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 76 | Nomura Asset Management… | 358.12K | New | $30.73M | 0.0% | New | 1 | SEC ↗ |
| 77 | Fidelity (FMR) ✦ | 316.01K | +4.5% | $27.11M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 78 | Fidelity (FMR) ✦ | 316.01K | +4.5% | $27.11M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 79 | Raymond James Financial Inc | 187.27K | +0.5% | $16.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Raymond James Financial Inc | 187.27K | +0.5% | $16.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Raymond James Financial Inc | 187.27K | +0.5% | $16.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Raymond James Financial Inc | 187.27K | +0.5% | $16.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | Deutsche Bank Ag\ | 150.16K | +57.3% | $12.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Deutsche Bank Ag\ | 150.16K | +57.3% | $12.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Deutsche Bank Ag\ | 150.16K | +57.3% | $12.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Deutsche Bank Ag\ | 150.16K | +57.3% | $12.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | UBS Group AG | 143.07K | -54.4% | $12.28M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | UBS Group AG | 143.07K | -54.4% | $12.28M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 89 | UBS Group AG | 143.07K | -54.4% | $12.28M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 90 | Bank of New York Mellon Corp | 122.20K | +8.9% | $10.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Bank of New York Mellon Corp | 122.20K | +8.9% | $10.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 122.20K | +8.9% | $10.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Bank of New York Mellon Corp | 122.20K | +8.9% | $10.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 122.20K | +8.9% | $10.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 122.20K | +8.9% | $10.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Bank of New York Mellon Corp | 122.20K | +8.9% | $10.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Mitsubishi UFJ Asset Management… | 121.95K | +48.9% | $10.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | First Trust Advisors Lp | 118.03K | -11.2% | $10.13M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Point72 Asset Management ✦ | 117.94K | -77.4% | $10.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 100 | Renaissance Technologies ✦ | 110.30K | -44.7% | $9.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Nomura Asset Management… | $30.73M | 0.0% |
Exited
| Citadel Advisors | $47.97M | was 0.0% |
| Balyasny Asset Management L.P. | $14.92M | was 0.0% |
| Marshall Wace | $12.85M | was 0.0% |
| Asset Management One Co., Ltd. | $144,233 | was 0.0% |
| Group One Trading Llc | $92,243 | was 0.0% |
| Optiver Holding B.V. | $14,362 | was 0.0% |
| Northwestern Mutual Wealth… | $103 | was 0.0% |
| Assetmark, Inc | $51 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 300 holders, 35.99M shares, $1.73B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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