Companies / Ambiq Micro, Inc.

Ambiq Micro, Inc.

NYSE: AMBQCIK 1500412AUSTIN, TX

Financials · FY2025

Revenue$72.51M
Net income$-36.46M
Total debt—
Cash$366.77M
Diluted EPS$-4.57
Shares outstanding24.2M

Ownership

24.2M shares outstanding · as of Aug 7, 2026
6.6%Insiders
Ownership
Insiders6.59%1,593,686
Institutions34.74%8,401,631
Public float58.67%14,189,219

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

Insiders 9

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Insider% of sharesShares
HSIEH Wen HsuanDirector
2.62%633,920
Esaka FumihideCEOChief Executive Officer · Director
1.62%391,189
Hanson Scott McLeanChief Technology Officer · Director
0.84%203,126
Chen Sean ChihhsiangPresident and COO
0.50%120,275
Winzeler Jeffrey GChief Financial Officer
0.44%106,299
Connors Michele KimGeneral Counsel
0.25%61,365
Tautges Joseph aDirector
0.20%48,746
Zhang KerDirector
0.12%28,766
Banks Bernard BennettDirector
——

Institutional holders 86

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HolderValue% of shares
BlackRock, Inc.$121.91M5.71%
State Street Corporation$76.11M3.56%
Atreides Management, LP$19.85M2.88%
AllianceBernstein L.P.$19.55M2.84%
Deutsche Bank AG$14.60M0.68%
KADENSA CAPITAL Ltd$11.26M1.63%
Vanguard Group Inc$9.35M1.36%
Franklin Resources, Inc.$8.77M1.27%
Geode Capital Management, LLC$7.56M1.23%
Silvercrest Asset Management Group LLC$7.18M1.17%

Activity

Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q2 2026
as of
BlackRock, Inc.
13F manager
AddCommon Stock$94.72M+1.1M
+348.41%
1,380,623
5.71% of shares
high
Q2 2026
as of
State Street Corporation
13F manager
AddCommon Stock$68.65M+777K
+920.01%
861,979
3.56% of shares
high
Q2 2026
as of
Deutsche Bank AG
13F manager
AddCommon Stock$13.24M+150K
+974.58%
165,367
0.68% of shares
medium
Q1 2026
as of
AllianceBernstein L.P.
13F manager
AddCommon Stock$8.29M+291K
+73.53%
686,098
2.84% of shares
medium
Q1 2026
as of
Needham Investment Management LLC
13F manager
NewCommon Stock$5.08M+200K
200,000
0.83% of shares
medium
Q1 2026
as of
Geode Capital Management, LLC
13F manager
AddCommon Stock$4.91M+193K
+185.60%
297,548
1.23% of shares
low
Q1 2026
as of
S Squared Technology, LLC
13F manager
NewCommon Stock$4.90M+193K
192,773
0.80% of shares
low
Q1 2026
as of
Polar Asset Management Partners Inc.
13F manager
AddCommon Stock$4.45M+175K
+671.75%
201,335
0.83% of shares
low

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
AMBQCommon StockEquity023193105BBG0026ZDH90