AMBIQ MICRO INC

Historical 13F Holders

Symbol
AMBQ
CUSIP
023193105
All holders as of
Q2 2026
Type
Equity
Class
COMMON STOCK
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 023193105 since 12/18/2024, largest first.

Filer % of Class Filed
Kleiner Perkins Caufield & Byers XVI, LLC 13G
8.2% 11/3/2025
Event 9/30/2025
BlackRock, Inc. 13G 5.3% 7/27/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
T. Rowe Price Investment Management, Inc. 13G/A 4.3% 8/14/2026
Event 6/30/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 16 160 k $10.9 M
2026 Q2 194 17.5 M $1.51 B
2026 Q1 98 11.0 M $282 M
2025 Q4 77 4.75 M $135 M
2025 Q3 75 4.55 M $136 M