Ambarella, Inc.

NasdaqGS:AMBA Stock Report

Market Cap: US$2.7b

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
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
03 Oct 24SellUS$168,432Christopher DayIndividual2,904US$58.00
24 Sep 24SellUS$49,977Elizabeth SchwartingIndividual913US$54.74
17 Sep 24SellUS$86,092Leslie KohnIndividual1,608US$53.54
17 Sep 24SellUS$230,276Feng-Ming WangIndividual4,301US$53.54
17 Sep 24SellUS$56,217Chi-Hong JuIndividual1,050US$53.54
17 Sep 24SellUS$79,775Chan LeeIndividual1,490US$53.54
17 Sep 24SellUS$25,860Christopher DayIndividual483US$53.54
17 Sep 24SellUS$114,522John YoungIndividual2,139US$53.54
16 Sep 24SellUS$12,757Elizabeth SchwartingIndividual240US$53.16
08 Jul 24SellUS$86,817Christopher DayIndividual1,408US$61.66
26 Jun 24SellUS$317,422Chi-Hong JuIndividual6,000US$52.90
18 Jun 24SellUS$83,442Chan LeeIndividual1,504US$55.48
18 Jun 24SellUS$27,019Christopher DayIndividual487US$55.48
18 Jun 24SellUS$119,670John YoungIndividual2,157US$55.48
18 Jun 24SellUS$169,658Feng-Ming WangIndividual3,058US$55.48
18 Jun 24SellUS$58,753Chi-Hong JuIndividual1,059US$55.48
18 Jun 24SellUS$90,044Leslie KohnIndividual1,623US$55.48
17 Jun 24SellUS$12,779Elizabeth SchwartingIndividual230US$55.56
10 Jun 24SellUS$239,342Chi-Hong JuIndividual4,191US$57.50

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 Government2,9180.00688%
Individual Insiders2,546,2646%
General Public4,314,32110.2%
Institutions35,573,90783.8%

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

Top Shareholders

Top 25 shareholders own 60.29% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
11.4%
The Vanguard Group, Inc.
4,848,305US$307.9m3.24%no data
8.93%
BlackRock, Inc.
3,789,582US$240.7m-0.91%no data
4.01%
State Street Global Advisors, Inc.
1,703,476US$108.2m7.36%no data
3.11%
Manulife Asset Management
1,318,557US$83.7m-9.2%0.06%
2.31%
Leslie Kohn
981,392US$62.3m2.26%no data
2.23%
Geode Capital Management, LLC
947,910US$60.2m3.65%no data
2.15%
Fuller & Thaler Asset Management, Inc.
910,911US$57.9m25.6%0.21%
2.14%
Millennium Management LLC
910,171US$57.8m-34.7%0.05%
2.13%
Kodai Capital Management, L.P.
904,536US$57.4m16.2%2.01%
2.01%
Point72 Asset Management, L.P.
854,808US$54.3m0.42%0.11%
1.89%
UBS Asset Management AG
803,578US$51.0m-20.3%no data
1.88%
Feng-Ming Wang
798,311US$50.7m5.7%no data
1.68%
Citadel Advisors LLC
711,253US$45.2m-16.2%0.04%
1.59%
Morgan Stanley, Investment Banking and Brokerage Investments
673,965US$42.8m-12.2%no data
1.53%
Jacobs Levy Equity Management Inc
647,788US$41.1m1,640%0.15%
1.37%
Legal & General Investment Management Limited
580,560US$36.9m28.3%0.01%
1.34%
Oberweis Asset Management, Inc.
568,825US$36.1m211%1.22%
1.28%
Dimensional Fund Advisors LP
543,683US$34.5m-12.8%no data
1.18%
Stephens Investment Management Group, LLC
499,775US$31.7m-0.73%0.41%
1.17%
Pinnacle Associates, Ltd.
496,094US$31.5m-3.64%0.43%
1.09%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
463,578US$29.4m0%0.01%
1.04%
Woodline Partners LP
441,385US$28.0m67.6%0.17%
0.99%
RobecoSAM AG
419,120US$26.6m52.5%0.29%
0.91%
Northern Trust Global Investments
386,686US$24.6m0.95%no data
0.9%
Tairen Capital Limited
383,120US$24.3m0%1.33%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/05/18 09:15
End of Day Share Price 2025/05/16 00:00
Earnings2025/01/31
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
Tayla-Blair BothaArete Research Services LLP
Alexi UngerArete Research Services LLP
David WilliamsAscendiant Capital Markets LLC