Security record · archived quarter
AMBA
Ambarella, Inc. · Technology · Semiconductors
106Tracked holders
+4Δ holders
25.12MShares held
$1.29BReported value
+11New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth +3.9% ·
share flow +6.9% ·
net new positions +3.8%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 3.79M | -1.0% | $195.05M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | State Street Global Advisors ✦ (passive) | 1.98M | +16.1% | $101.74M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 19 | Vanguard Capital Management Llc | 1.81M | — | $93.41M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Manufacturers Life Insurance… | 1.59M | +49.5% | $81.64M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 21 | Millennium Management ✦ | 1.51M | +790.5% | $77.86M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 1.03M | +0.8% | $52.99M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 1.03M | +0.8% | $52.99M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 24 | T. Rowe Price ✦ | 952.32K | +10.1% | $49.02M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 25 | T. Rowe Price ✦ | 952.32K | +10.1% | $49.02M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 26 | Citadel Advisors ✦ | 931.86K | +74.0% | $47.97M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 27 | Citadel Advisors ✦ | 931.86K | +74.0% | $47.97M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 28 | Legal & General Group Plc | 926.40K | +50.9% | $47.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Legal & General Group Plc | 926.40K | +50.9% | $47.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Legal & General Group Plc | 926.40K | +50.9% | $47.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 724.65K | -20.5% | $37.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Morgan Stanley ✦ | 724.65K | -20.5% | $37.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Morgan Stanley ✦ | 724.65K | -20.5% | $37.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | Morgan Stanley ✦ | 724.65K | -20.5% | $37.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 724.65K | -20.5% | $37.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 724.65K | -20.5% | $37.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 724.65K | -20.5% | $37.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 724.65K | -20.5% | $37.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Dimensional Fund Advisors Lp | 638.59K | +28.1% | $32.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Dimensional Fund Advisors Lp | 638.59K | +28.1% | $32.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Dimensional Fund Advisors Lp | 638.59K | +28.1% | $32.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Dimensional Fund Advisors Lp | 638.59K | +28.1% | $32.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Dimensional Fund Advisors Lp | 638.59K | +28.1% | $32.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Connor, Clark & Lunn Investment… | 600.51K | +7.8% | $30.91M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 45 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 541.90K | +23.7% | $27.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 541.90K | +23.7% | $27.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 541.90K | +23.7% | $27.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Point72 Asset Management ✦ | 521.21K | -32.5% | $26.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | AQR Capital Management ✦ | 495.81K | +110.2% | $25.52M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 495.81K | +110.2% | $25.52M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 495.81K | +110.2% | $25.52M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 495.81K | +110.2% | $25.52M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 495.81K | +110.2% | $25.52M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 54 | AQR Capital Management ✦ | 495.81K | +110.2% | $25.52M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 495.81K | +110.2% | $25.52M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 495.81K | +110.2% | $25.52M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 57 | Nuveen, LLC | 487.82K | +2.3% | $25.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Nuveen, LLC | 487.82K | +2.3% | $25.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Nuveen, LLC | 487.82K | +2.3% | $25.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Bank Of America Corp /De/ | 481.76K | +7.8% | $24.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Bank Of America Corp /De/ | 481.76K | +7.8% | $24.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Bank Of America Corp /De/ | 481.76K | +7.8% | $24.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Bank Of America Corp /De/ | 481.76K | +7.8% | $24.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Squarepoint Ops LLC | 460.58K | -42.0% | $23.71M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 65 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | JPMorgan Chase ✦ | 473.76K | +76.9% | $23.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | BNP Paribas Asset Management… | 384.80K | +24.4% | $19.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | BNP Paribas Asset Management… | 384.80K | +24.4% | $19.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Northern Trust Corp | 374.78K | +3.0% | $19.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Northern Trust Corp | 374.78K | +3.0% | $19.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Northern Trust Corp | 374.78K | +3.0% | $19.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Northern Trust Corp | 374.78K | +3.0% | $19.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Northern Trust Corp | 374.78K | +3.0% | $19.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Charles Schwab Investment… | 363.29K | -0.5% | $18.70M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | UBS Group AG | 314.05K | -50.6% | $16.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | UBS Group AG | 314.05K | -50.6% | $16.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | UBS Group AG | 314.05K | -50.6% | $16.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Fidelity (FMR) ✦ | 302.34K | +7.5% | $15.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 86 | Fidelity (FMR) ✦ | 302.34K | +7.5% | $15.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 87 | Balyasny Asset Management L.P. | 289.85K | -19.5% | $14.92M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Marshall Wace ✦ | 249.54K | -21.6% | $12.85M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 89 | Marshall Wace ✦ | 249.54K | -21.6% | $12.85M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 90 | Marshall Wace ✦ | 249.54K | -21.6% | $12.85M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 91 | D. E. Shaw & Co. ✦ | 245.16K | New | $12.62M | 0.0% | New | 1 | SEC ↗ |
| 92 | D. E. Shaw & Co. ✦ | 245.16K | New | $12.62M | 0.0% | New | 1 | SEC ↗ |
| 93 | Goldman Sachs Group ✦ | 209.82K | +1.1% | $10.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Goldman Sachs Group ✦ | 209.82K | +1.1% | $10.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Renaissance Technologies ✦ | 199.40K | New | $10.26M | 0.0% | New | 1 | SEC ↗ |
| 96 | Raymond James Financial Inc | 186.30K | -1.4% | $9.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Raymond James Financial Inc | 186.30K | -1.4% | $9.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Raymond James Financial Inc | 186.30K | -1.4% | $9.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | Raymond James Financial Inc | 186.30K | -1.4% | $9.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 100 | Susquehanna International Group, Llp | 153.74K | -30.9% | $7.91M | 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
| D. E. Shaw & Co. | $12.62M | 0.0% |
| D. E. Shaw & Co. | $12.62M | 0.0% |
| Renaissance Technologies | $10.26M | 0.0% |
Exited
| Glenview Capital | $7.08M | was 0.2% |
| Peak6 Llc | $4.65M | was 0.1% |
| Arrowstreet Capital | $4.06M | was 0.0% |
| Jane Street Group, Llc | $3.27M | was 0.0% |
| Hrt Financial Lp | $2.77M | was 0.0% |
| Daiwa Securities Group Inc. | $60,000 | was 0.0% |
| Danske Bank A/S | $7,084 | 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: Q1 2026 ·
Methodology ·
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