Ambarella Ownership | Who Owns Ambarella?
Ambarella Ownership Summary
Ambarella is owned by 2.76% institutional investors, 4.96% insiders, and 92.28% retail investors. Vanguard group is the largest institutional shareholder, holding 11.42% of AMBA shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.96% of its assets in Ambarella shares.
AMBA Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Ambarella | 2.76% | 4.96% | 92.28% |
| Sector | Technology Stocks | 38.43% | 12.63% | 48.94% |
| Idea | Semiconductor Stocks List | 48.74% | 7.10% | 44.16% |
| Idea | Self Driving Car Stocks List | 28.94% | 6.90% | 64.15% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 4.70M | 11.42% | $341.60M |
| Blackrock funding, inc. /de | 3.92M | 9.28% | $258.83M |
| Blackrock | 3.47M | 8.52% | $187.38M |
| State street | 1.59M | 3.86% | $115.41M |
| Manufacturers life insurance company, the | 1.45M | 3.53% | $105.63M |
| Morgan stanley | 1.13M | 2.77% | $60.89M |
| Jericho capital asset management | 1.10M | 2.60% | $72.57M |
| Fuller & thaler asset management | 1.02M | 2.41% | $67.21M |
| Geode capital management | 914.53K | 2.22% | $66.54M |
| Millennium management | 910.17K | 2.18% | $45.81M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Westerly capital management | 143.00K | 3.50% | $9.45M |
| S squared | 118.55K | 3.30% | $7.83M |
| Kodai capital management lp | 778.55K | 2.32% | $56.63M |
| Hel ved capital management | 103.87K | 1.81% | $6.86M |
| Oberweis asset management inc/ | 573.36K | 1.65% | $37.88M |
| Tributary capital management | 287.56K | 1.62% | $20.92M |
| Sws partners | 75.16K | 1.34% | $4.97M |
| Essex investment management | 90.52K | 1.18% | $6.58M |
| Stanley-laman group | 111.16K | 1.09% | $7.34M |
| Jericho capital asset management | 1.10M | 0.97% | $72.57M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jericho capital asset management | 1.10M | 0.97% | 1.10M |
| Balyasny asset management | 459.56K | 0.05% | 413.36K |
| Invesco | 335.73K | 0.00% | 295.61K |
| Voloridge investment management | 178.06K | 0.04% | 178.06K |
| Lmr partners llp | 150.00K | 0.07% | 150.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Macquarie group | - | - | -1.18M |
| Millennium management | 910.17K | 0.02% | -484.02K |
| Woodline partners lp | - | - | -441.38K |
| State street | 1.59M | 0.00% | -337.56K |
| Morgan stanley | 1.13M | 0.00% | -248.19K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Jericho capital asset management | 1.10M | 0.97% | 1.10M | $72.57M |
| Voloridge investment management | 178.06K | 0.04% | 178.06K | $11.76M |
| Stanley-laman group | 111.16K | 1.09% | 111.16K | $7.34M |
| Susquehanna portfolio strategies | 48.87K | 0.07% | 48.87K | $3.23M |
| Shellback capital, lp | 43.74K | 0.19% | 43.74K | $2.89M |
Sold Out
| Holder | Change |
|---|---|
| Natixis | -1.00 |
| Southstate | -3.00 |
| Td capital management | -7.00 |
| Nelson, van denburg & campbell wealth management group | -8.00 |
| Berkshire capital | -10.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 10 | -96.91% | 1,154,851 | -96.58% | 2 | 0.04% | 2 | -98.76% | 2 | -97.98% |
| Dec 31, 2024 | 319 | 11.15% | 33,697,450 | 2.34% | 81 | 1.28% | 155 | 13.97% | 100 | 9.89% |
| Sep 30, 2024 | 283 | -0.35% | 32,908,102 | -3.05% | 80 | 1.17% | 133 | 1.53% | 92 | -5.15% |
| Jun 30, 2024 | 282 | -1.40% | 33,942,767 | 2.49% | 83 | 1.24% | 129 | -14.57% | 97 | 24.36% |
| Mar 31, 2024 | 286 | 2.88% | 33,119,630 | 0.31% | 82 | 1.21% | 151 | 4.14% | 78 | -4.88% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.26M | 2.96% | -26.85K |
| Vanguard US Total Market Shares ETF | 1.24M | 2.95% | 1.28K |
| Vanguard Small Cap Index | 978.11K | 2.31% | -6.36K |
| Vanguard Information Technology ETF | 961.76K | 2.27% | 9.79K |
| iShares Russell 2000 ETF | 959.35K | 2.26% | -18.27K |
| FullerThaler Behavioral Small-Cap Growth | 673.74K | 1.59% | 32.23K |
| SPDR® S&P Semiconductor ETF | 637.57K | 1.50% | - |
| FullerThaler Behavioral Sm-Cp Gr R6 | 637.40K | 1.50% | - |
| Vanguard Small Cap Growth Index Inv | 552.60K | 1.30% | -226.00 |
| JHancock Small Cap Core NAV | 519.89K | 1.23% | -69.78K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 25, 2025 | PAISLEY CHRISTOPHER B | - | Sell | $62.58K |
| Jun 17, 2025 | Young John Alexander | CFO | Sell | $127.25K |
| Jun 17, 2025 | Day Christopher | VP, Marketing | Sell | $17.87K |
| Jun 17, 2025 | Lee Chan W | Chief Operating Officer | Sell | $83.67K |
| Jun 17, 2025 | Kohn Leslie | Chief Technology Officer | Sell | $89.63K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 7 |
| 2025 Q1 | - | 24 |
| 2024 Q4 | - | 15 |
| 2024 Q3 | - | 13 |
| 2024 Q2 | - | 11 |
AMBA Ownership FAQ
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