Companies / Ambarella Inc

Ambarella Inc

Nasdaq: AMBACIK 1280263SANTA CLARA, CA
Insider flow · last 90 daysNet sells $4.77M

Financials · FY2026

Revenue$390.70M
Net income$-75.86M
Total debt—
Cash$114.44M
Diluted EPS$-1.78
Shares outstanding43.9M

Ownership

43.9M shares outstanding · as of May 28, 2026
26.9%10%+ / strategic
Ownership
10%+ / strategic26.89%11,795,818
Institutions73.41%32,202,553
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 7

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Insider% of sharesShares
Bryant Gregory MDirector
——
Chen Yun-LungFormerVP, Business Development and
——
Ju Chi-HongSenior VP, Systems & GM
——
Lee Chan WChief Operations Officer
——
Paisley Christopher BDirector
——
Wang Feng-MingCEOCEO · Director
——
Young John AlexanderCFO
——

Institutional holders 340

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HolderValue% of shares
Vanguard Group Inc$388.22M12.49%
BlackRock, Inc.$338.45M8.99%
State Street Corporation$219.88M5.84%
Jericho Capital Asset Management L.P.$112.43M3.62%
Millennium Management LLC$77.86M3.45%
Manufacturers Life Insurance Company, the$75.17M2.42%
Morgan Stanley$64.57M2.08%
Fuller & Thaler Asset Management, Inc.$60.08M1.93%
Slate Path Capital LP$57.69M1.86%
Squarepoint Ops LLC$56.23M1.81%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Mar 2, 2026Wang Feng-Ming
CEO
ExerciseOrdinary Shares$2.07M+50K
+6.50%
818,979
1.87% of shares
low
Mar 2, 2026Wang Feng-Ming
CEO
SellOrdinary Shares$1.98M-32K
-3.99%
781,019
1.78% of shares
medium
May 26, 2026Wang Feng-Ming
CEO
SellOrdinary Shares$1.56M-17K
-2.06%
821,276
1.87% of shares
medium
Mar 17, 2026Wang Feng-Ming
CEO
SellOrdinary Shares$1.00M-19K
-2.23%
830,958
1.89% of shares
medium
May 26, 2026Wang Feng-Ming
CEO
SellOrdinary Shares$842.2K-9K
-1.12%
806,061
1.84% of shares
medium
Mar 2, 2026Wang Feng-Ming
CEO
SellOrdinary Shares$739.5K-12K
-1.54%
768,979
1.75% of shares
medium
Jun 12, 2026Chen Yun-Lung
Executive
SellOrdinary Shares$660.9K-10K
-12.91%
66,515
0.15% of shares
medium
Jan 5, 2026Ju Chi-Hong
Executive
SellOrdinary Shares$584.1K-8K
-5.03%
146,039
0.33% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—5,480,285—
State Street CorporationPassive13G—2,562,733—
Vanguard Group IncPassive13G/A—0—
Vanguard Portfolio ManagementPassive13G—3,752,800—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
AMBA——G037AX101—