Ambarella, Inc.

NasdaqGS:AMBA Stock Report

Market Cap: US$3.2b

Ambarella Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:AMBA Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
14 Oct 25SellUS$909,483Chi-Hong JuIndividual11,213US$81.29
06 Oct 25SellUS$227,445Elizabeth SchwartingIndividual2,664US$85.38
17 Sep 25SellUS$178,638Leslie KohnIndividual2,249US$79.43
17 Sep 25SellUS$391,431Feng-Ming WangIndividual4,928US$79.43
17 Sep 25SellUS$203,817John YoungIndividual2,566US$79.43
17 Sep 25SellUS$92,774Chi-Hong JuIndividual1,168US$79.43
17 Sep 25SellUS$154,650Chan LeeIndividual1,947US$79.43
10 Sep 25SellUS$716,895Yun-Lung ChenIndividual8,492US$84.42
17 Jun 25SellUS$244,420Feng-Ming WangIndividual4,677US$52.26
17 Jun 25SellUS$83,668Chan LeeIndividual1,601US$52.26
17 Jun 25SellUS$89,626Leslie KohnIndividual1,715US$52.26
17 Jun 25SellUS$17,873Christopher DayIndividual342US$52.26
17 Jun 25SellUS$127,253John YoungIndividual2,435US$52.26
17 Jun 25SellUS$57,904Chi-Hong JuIndividual1,108US$52.26
18 Mar 25SellUS$87,152Leslie KohnIndividual1,584US$55.02
18 Mar 25SellUS$175,734Feng-Ming WangIndividual3,194US$55.02
18 Mar 25SellUS$80,769Chan LeeIndividual1,468US$55.02
18 Mar 25SellUS$26,355Christopher DayIndividual479US$55.02
18 Mar 25SellUS$115,707John YoungIndividual2,103US$55.02
18 Mar 25SellUS$56,891Chi-Hong JuIndividual1,034US$55.02
06 Mar 25SellUS$116,172Chan LeeIndividual2,108US$55.11
06 Mar 25SellUS$45,962Christopher DayIndividual834US$55.11
06 Mar 25SellUS$102,449Chi-Hong JuIndividual1,859US$55.11
06 Mar 25SellUS$127,635Leslie KohnIndividual2,316US$55.11
06 Mar 25SellUS$226,171Feng-Ming WangIndividual4,104US$55.11
06 Mar 25SellUS$146,758John YoungIndividual2,663US$55.11
03 Jan 25SellUS$97,394Christopher DayIndividual1,247US$78.10
18 Dec 24SellUS$70,047Christopher DayIndividual929US$75.41
18 Dec 24SellUS$18,103Elizabeth SchwartingIndividual253US$71.55
16 Dec 24SellUS$323,961Feng-Ming WangIndividual4,296US$75.41
16 Dec 24SellUS$132,495Leslie KohnIndividual1,757US$75.41
16 Dec 24SellUS$112,210Chan LeeIndividual1,488US$75.41
16 Dec 24SellUS$161,076John YoungIndividual2,136US$75.41
16 Dec 24SellUS$36,348Christopher DayIndividual482US$75.41
16 Dec 24SellUS$79,030Chi-Hong JuIndividual1,048US$75.41
13 Dec 24SellUS$27,954Hsiao-Wuen HonIndividual377US$74.15
09 Dec 24SellUS$387,475Chi-Hong JuIndividual5,118US$75.72
02 Dec 24SellUS$91,511Christopher DayIndividual1,278US$71.61

Insider Trading Volume

Insider Buying: AMBA insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of AMBA?
Owner TypeNumber of SharesOwnership Percentage
State or Government3,8280.00897%
Individual Insiders2,507,4305.87%
General Public3,096,2017.25%
Institutions37,081,54786.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 60.68% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
12.1%
The Vanguard Group, Inc.
5,168,636US$383.4m0.09%no data
9.19%
BlackRock, Inc.
3,922,098US$290.9m0.12%no data
3.94%
State Street Global Advisors, Inc.
1,680,855US$124.7m-9.4%no data
2.84%
Jericho Capital Asset Management L.P.
1,213,347US$90.0m10.5%0.96%
2.59%
Fuller & Thaler Asset Management, Inc.
1,107,673US$82.2m8.89%0.28%
2.31%
Geode Capital Management, LLC
985,017US$73.1m0.89%no data
2.29%
Leslie Kohn
977,428US$72.5m-0.23%no data
2.12%
Kodai Capital Management, L.P.
904,536US$67.1m0%2.22%
2.11%
UBS Asset Management AG
900,474US$66.8m123%0.01%
2.04%
Morgan Stanley
869,891US$64.5m23.9%0.01%
2%
Manulife Asset Management
853,215US$63.3m-37.8%0.04%
1.85%
Feng-Ming Wang
788,929US$58.5m-0.59%no data
1.82%
Barclays PLC
775,065US$57.5m122%0.03%
1.43%
Oberweis Asset Management, Inc.
611,360US$45.4m6.63%1.36%
1.38%
Squarepoint OPS LLC
586,972US$43.5m5.35%0.09%
1.33%
Connor, Clark & Lunn Investment Management Ltd.
566,830US$42.0m17.8%0.12%
1.22%
Legal & General Investment Management Limited
518,799US$38.5m-18.2%0.01%
1.2%
Dimensional Fund Advisors LP
511,598US$38.0m-0.88%0.01%
1.12%
Stephens Investment Management Group, LLC
477,498US$35.4m-3.33%0.46%
1.07%
Citadel Advisors LLC
454,988US$33.8m-51.9%0.03%
1.01%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
430,084US$31.9m19.2%0.01%
0.99%
Tributary Capital Management, LLC
423,790US$31.4m88.5%1.5%
0.93%
Jacobs Levy Equity Management Inc
397,202US$29.5m-11.3%0.12%
0.92%
Mirae Asset Global Investments Co., Ltd.
392,826US$29.1m36%0.02%
0.9%
Northern Trust Global Investments
383,175US$28.4m0.13%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/11/30 01:24
End of Day Share Price 2025/11/28 00:00
Earnings2025/10/31
Annual Earnings2025/01/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Ambarella, Inc. is covered by 25 analysts. 14 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Alexi UngerArete Research Services LLP
Tayla-Blair BothaArete Research Services LLP
David WilliamsAscendiant Capital Markets LLC