Earnings in 5d
Ambarella
Designs low-power edge AI chips and software for vehicles, cameras, robots, and industrial systems.
$70.93
After-hours close+0.26 (+0.37%)
At close$70.67(−0.69%)
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Breakdown13F · Form 4
Institutions 91.99%40.35M sharesInsiders 5.48%2.40M sharesOther 2.53%1.11M shares
Shares outstanding 43.87M · Float 41.85M · 95.4% free float
Institutions13F, as of Jun 30, 2026
365 holders · 40.35M shares · 93 new positions · 212 increased · 90 reduced · 54 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 3.94M | 8.99% | +155.4K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 3.69M | 8.41% | −28.5K | Aug 13, 2026 |
| Price T Rowe Associates Inc /MD/ | 2.60M | 5.92% | +1.65M | Aug 14, 2026 |
| State Street Corp | 2.56M | 5.84% | +586.3K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 1.87M | 4.27% | +58.9K | Aug 13, 2026 |
| Manufacturers Life Insurance Company, the | 1.19M | 2.70% | −399.5K | Aug 14, 2026 |
| Legal & General Group PLC | 1.12M | 2.55% | +190.3K | Aug 14, 2026 |
| Geode Capital Management, LLC | 1.10M | 2.50% | +68.9K | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Portfolio Management | 8.57% | 3.75M | 13G | Apr 28, 2026 ↗ |
| BlackRock, Inc. | 7.30% | 3.08M | 13G | Apr 23, 2025 ↗ |
| T. Rowe Price Associates, Inc. | 5.90% | 2.60M | 13G | Aug 14, 2026 ↗ |
| Vanguard Capital Management | 5.01% | 2.20M | 13G | Jul 31, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Leslie Kohn | director, officer: Chief Technology Officer | 977.4K | 2.23% | Sep 19, 2025 |
| Feng-Ming Wang | director, officer: CEO | 773.6K | 1.76% | Jul 2, 2026 |
| Chi-Hong Ju | officer: Senior VP, Systems & GM | 163.9K | 0.37% | Jul 2, 2026 |
| Chan W. Lee | officer: Chief Operations Officer | 157.1K | 0.36% | Jun 18, 2026 |
| John Alexander Young | officer: CFO | 112.6K | 0.26% | Jun 18, 2026 |
| Yun-Lung Chen | officer: VP, Business Dev. & Marketing | 60.6K | 0.14% | Jul 10, 2026 |
| Christopher B. Paisley | director | 41.0K | 0.09% | Jun 30, 2026 |
| Hsiao-Wuen Hon | director | 30.8K | 0.07% | Sep 4, 2025 |
| Chenming Hu | director | 29.5K | 0.07% | Sep 4, 2025 |
| David Jeffrey Richardson | director | 28.3K | 0.06% | Dec 17, 2025 |
4 ten-percent owners hold 2.82M shares by Form 4, outside the officers-and-directors figure above · 8 people have not refiled in the last 18 months (406.0K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jul 9, 2026 | Yun-Lung Chenofficer: VP, Business Dev. & Marketing | Sale | 5,958 | $78.66 | 60,557 |
| Jul 1, 2026 | Feng-Ming Wangdirector, officer: CEO | Sale | 16,250 | $90.08 | 773,607 |
| Jul 1, 2026 | Chi-Hong Juofficer: Senior VP, Systems & GM | Sale | 10,000 | $88.84 | 155,924 |
| Jun 26, 2026 | Christopher B. Paisleydirector | Sale | 250 | $62.01 | 41,029 |
| Jun 17, 2026 | Feng-Ming Wangdirector, officer: CEO | Sale | 6,204 | $67.87 | 799,857 |
| Jun 17, 2026 | Chi-Hong Juofficer: Senior VP, Systems & GM | Sale | 2,017 | $67.87 | 165,924 |
| Jun 17, 2026 | Chan W. Leeofficer: Chief Operations Officer | Sale | 2,951 | $67.87 | 157,098 |
| Jun 17, 2026 | John Alexander Youngofficer: CFO | Sale · 2 lots | 5,033 | $67.54 | 112,590 |
| Jun 12, 2026 | Yun-Lung Chenofficer: VP, Business Development and | Sale | 9,856 | $67.06 | 66,515 |
| May 26, 2026 | Feng-Ming Wangdirector, officer: CEO | Sale · 3 lots | 32,500 | $91.01 | 806,061 |
CongressHouse and Senate disclosures
Not reported.