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GILDER GAGNON HOWE & CO LLC

Position in AMBQ — Ambiq Micro, Inc.

CIK 902464 New York, NY

Position in AMBQ

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$14,094,710
+$11,310,359 QoQ
Shares Held
159,623
+45.7% QoQ
Ownership
0.660%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#33
of 185 holders
Holding Since
Sep 2025
4 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

GILDER GAGNON HOWE & CO LLC holds $1,505,115,132 across 19 Semiconductors names. AMBQ ranks #12 (0.9% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMBQ

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $14,094,710 159,623
2026-03-31 $2,784,351 109,577
2025-12-31 $2,671,732 93,745
2025-09-30 $2,864,780 95,748