Ambarella
AMBA · NASDAQ
$63.22+$0.46 (+0.73%)TodayMarket closed ·
Prev close $62.76
Who owns AMBA
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 42.8% of AMBA’s shares.
- Vanguard Portfolio Management, LLC8.4%
- BlackRock Institutional Trust Company, N.A.7.2%
- State Street Investment Management (US)5.8%
- T. Rowe Price Associates, Inc.5.8%
- Next 6 largest institutions15.6%
- All other shareholders57.2%
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Portfolio Management, LLC | 3.69M | 8.41% |
| BlackRock Institutional Trust Company, N.A. | 3.14M | 7.15% |
| State Street Investment Management (US) | 2.56M | 5.84% |
| T. Rowe Price Associates, Inc. | 2.54M | 5.79% |
| Vanguard Capital Management, LLC | 1.87M | 4.27% |
| Manulife Investment Management (North America) Limited | 1.19M | 2.70% |
| Legal & General Investment Management Ltd. | 1.12M | 2.55% |
| Geode Capital Management, L.L.C. | 1.10M | 2.50% |
| Wellington Management Company, LLP | 796.34K | 1.82% |
| Wang (Feng-Ming) | 759.66K | 1.73% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 1.33M | 3.02% |
| State Street SPDR S&P Semiconductor ETF | 1.14M | 2.61% |
| iShares Russell 2000 ETF | 1.11M | 2.52% |
| Vanguard Information Technology Index Fund | 1.02M | 2.31% |
| Vanguard Small-Cap Index Fund | 957.90K | 2.18% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $8.75M (20 trades) of AMBA on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| PAISLEY CHRISTOPHER B | Sale | 250 | $17.69K |
| Young John Alexander | Sale | 1.90K | $127.56K |
| Wang Feng-Ming | Sale | 6.09K | $394.56K |
| Ju Chi-Hong | Sale | 2.01K | $130.24K |
| Lee Chan W | Sale | 2.89K | $187.55K |
| Young John Alexander | Sale | 3.13K | $202.66K |
| Hu Chenming | Award | 3.15K | — |
| Bryant Gregory M | Award | 3.15K | — |
| Breithaupt Chantelle Yvette | Award | 3.15K | — |
| Schwarting Elizabeth M | Award | 3.15K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.15M
- Days to cover
- 3.52
- % of shares outstanding
- 11.75%
- Average daily volume
- 1.46M
- Change since last report
- −9.7%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.