Institutional Ownership
Ambarella Inc
CUSIP G037AX101SHSAMBAQ1 2026
13D / 13G Filings
11
Schedule 13D/13G on record
Beneficial Filers
4
Distinct reporting persons
Largest Stake
12.7%
Max % of class reported
Institutional Holders
295
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
11 filings · latest Jan 30, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jan 30, 2026 | The Vanguard Group | 13G/A | 12.7% | 5.48M | SEC |
| 2 | Apr 23, 2025 | Blackrock, Inc. | 13G/A | 7.3% | 3.08M | SEC |
| 3 | Nov 12, 2024 | Vanguard Group Inc | 13G/A | 11.2% | 4.61M | SEC |
| 4 | Nov 4, 2024 | Vanguard Group Inc | 13G | 11.2% | 4.61M | SEC |
| 5 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 10.2% | 4.09M | SEC |
| 6 | Sep 11, 2023 | Vanguard Group Inc | 13G/A | 10.2% | 4.03M | SEC |
| 7 | Feb 9, 2023 | Vanguard Group Inc | 13G/A | 9.3% | 3.60M | SEC |
| 8 | Feb 9, 2022 | Vanguard Group Inc | 13G/A | 9.3% | 3.46M | SEC |
| 9 | Feb 10, 2021 | Vanguard Group Inc | 13G/A | 8.8% | 3.11M | SEC |
| 10 | Feb 13, 2020 | Morgan Stanley | 13G/A | 3.2% | 1.08M | SEC |
1 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Ambarella Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 3.79M | $195.05M |
| 2 | State Street Corp | 1.98M | $101.74M |
| 3 | Manufacturers Life Insurance Company, The | 1.59M | $81.64M |
| 4 | Millennium Management LLC | 1.51M | $77.86M |
| 5 | Geode Capital Management, LLC | 1.03M | $52.99M |
| 6 | Citadel Advisors LLC | 931.9K | $47.97M |
| 7 | Legal & General Group PLC | 926.4K | $47.69M |
| 8 | Morgan Stanley | 724.7K | $37.30M |
| 9 | Dimensional Fund Advisors LP | 638.6K | $32.87M |
| 10 | Connor, Clark & Lunn Investment Management Ltd. | 600.5K | $30.91M |