Softbank Group Corp

SEC CIK: 0001065521
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

AMBQ holding history

Ambiq Micro, Inc. in every 13F filed by Softbank Group Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

AMBQ overview All 13F holders of AMBQ Full Q2 2026 holdings

Shares (Q2 2026): 148,939
Value: $13.2M
% of portfolio: 0.1%
Quarters held: 4; Since Q3 2025

Holdings of AMBQ by Softbank Group Corp, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	148,939	$13.2M	0.1%	00.0%	Unchanged	Holders
Q1 2026	148,939	$3.78M	<0.1%	00.0%	Unchanged	Holders
Q4 2025	148,939	$4.24M	<0.1%	00.0%	Unchanged	Holders
Q3 2025	148,939	$4.46M	<0.1%	+148,939	New	Holders