Ambarella
AMBA
65.33
-2.61
-3.84%
Ambarella
US · AMBA
#2485 by market cap
Listed 1970
65.33
-2.61
-3.84%
Live - 5344 symbols - heartbeat 370s ago
· 2026-10-08 07:31
Pre-market
64.25
-1.65%
After-hours
65.46
+0.20%
Overnight
64.76
-0.87%
- Market cap
- 2.88B
- P/E (TTM)i
- -50.25
- P/Bi
- 4.65
- EPSi
- -1.78
- Div yieldi
- 0.00%
- 52W posi
- 35%
Reader sentiment
Are you bullish or bearish on AMBA?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Distributing
- Total institutional ownership fell 0.8 percentage points.
Institutional ownership
- Held by institutions
- 82.87% -0.78pp
- Institutions
- 424
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
AlignedInstitutions trimmed shares last reporting period, and the stock has seen net outflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Mutual Fund71.77%
Hedge Fund6.54%
Individual/Insider4.53%
Public Company2.93%
Private Company0.58%
Insurance Company0.44%
Government Pension Fund0.35%
Family Office/Trust0.16%
Bank/Investment Bank0.10%
Other12.61%
Top holders as of 2026-06-30
BlackRock
8.94% · 3.94M sh
Vanguard Portfolio Management, LLC
8.36% · 3.69M sh
T. Rowe Price Group, Inc.
7.05% · 3.11M sh
State Street Global Advisors
5.81% · 2.56M sh
Vanguard Capital Management, LLC
4.92% · 2.17M sh
Manulife Asset Management
2.69% · 1.19M sh
Legal & General Investment Management
2.53% · 1.12M sh
Geode Capital Management, LLC
2.49% · 1.10M sh
Feng-Ming Wang
1.74% · 767.76K sh
Menora Mivtachim Provident Funds
1.72% · 757.57K sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 21 buys · 29 sells
| Name | Role | Stake |
|---|---|---|
| Feng-Ming Wang | Co-Founder, President, CEO & Executive Chairman | 1.74% |
| Leslie Kohn | Co-Founder & CTO | 1.32% |
| Chi-Hong Ju | Senior VP of Systems & GM of Asia Design Centers | 0.37% |
| Chan Lee | Chief Operating Officer | 0.35% |
| John Young | VP of Finance & Principal Accounting Officer | 0.24% |
| Yun-Lung Chen | Former Officer | 0.14% |
| Christopher Paisley | Independent Director | 0.09% |
| Hsiao-Wuen Hon | Independent Director | 0.07% |
| Chenming C. Hu | Independent Director | 0.07% |
| David Jeffrey Richardson | Independent Director | 0.06% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-09-24 | Christopher Paisley | Independent Director | Automatic Disposition | -250 | $70.76 |
| 2026-09-17 | John Young | VP of Finance & Principal Accounting Officer | Automatic Disposition | -1,896 | $67.28 |
| 2026-09-16 | Feng-Ming Wang | Co-Founder, President, CEO & Executive Chairman | Open Market Disposition | -6,086 | $64.83 |
| 2026-09-16 | Chi-Hong Ju | Senior VP of Systems & GM of Asia Design Centers | Open Market Disposition | -2,009 | $64.83 |
| 2026-09-16 | Chan Lee | Chief Operating Officer | Open Market Disposition | -2,893 | $64.83 |
| 2026-09-16 | John Young | VP of Finance & Principal Accounting Officer | Open Market Disposition | -3,126 | $64.83 |
| 2026-09-07 | Christopher Paisley | Independent Director | Other Acquisition | +3,151 | -- |
| 2026-09-07 | Chenming C. Hu | Independent Director | Other Acquisition | +3,151 | -- |
| 2026-09-07 | David Jeffrey Richardson | Independent Director | Other Acquisition | +3,151 | -- |
| 2026-09-07 | Gregory Bryant | Director | Other Acquisition | +3,151 | -- |
| 2026-09-07 | Hsiao-Wuen Hon | Independent Director | Other Acquisition | +3,151 | -- |
| 2026-09-07 | Elizabeth Schwarting | Independent Director | Other Acquisition | +3,151 | -- |
| 2026-09-07 | Chantelle Breithaupt | Independent Director | Other Acquisition | +3,151 | -- |
| 2026-07-08 | Yun-Lung Chen | Former Officer | Open Market Disposition | -5,958 | $78.66 |
| 2026-06-30 | Feng-Ming Wang | Co-Founder, President, CEO & Executive Chairman | Automatic Disposition | -16,250 | $90.08 |
| 2026-06-30 | Chi-Hong Ju | Senior VP of Systems & GM of Asia Design Centers | Open Market Disposition | -10,000 | $88.84 |
| 2026-06-25 | Christopher Paisley | Independent Director | Automatic Disposition | -250 | $62.01 |
| 2026-06-16 | Feng-Ming Wang | Co-Founder, President, CEO & Executive Chairman | Other Disposition | -10,000 | -- |
| 2026-06-16 | Feng-Ming Wang | Co-Founder, President, CEO & Executive Chairman | Open Market Disposition | -6,204 | $67.87 |
| 2026-06-16 | Chi-Hong Ju | Senior VP of Systems & GM of Asia Design Centers | Open Market Disposition | -2,017 | $67.87 |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 07:31:31 · For reference only, not investment advice and not tailored to your situation.