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VANGUARD PORTFOLIO MANAGEMENT LLC

Position in AMBQ — Ambiq Micro, Inc.

CIK 2100121 MALVERN, PA

Position in AMBQ

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$15,001,287
+$10,963,613 QoQ
Shares Held
169,890
+6.9% QoQ
Ownership
0.702%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#30
of 185 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in AMBQ Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $268,599,312,789 across 52 Semiconductors names. AMBQ ranks #44 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMBQ

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,001,287 169,890
2026-03-31 $4,037,674 158,901