SoftBank Group’s Ambiq Micro AMBQ Stock Holding History

SoftBank Group’s Portfolio AMBQ Stock Details AMBQ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$13.2M	Hold	148,939	–	–	0.07%	23
2026 Q1	$3.78M	Hold	148,939	–	–	0.03%	25
2025 Q4	$4.24M	Hold	148,939	–	–	0.03%	27
2025 Q3	$4.46M	Buy	+148,939	New	+$5.43M	0.02%	26

Other funds holding AMBQ

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Atreides Management Boston, Massachusetts $14.3B AUM 116.01% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

NIM

Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return

SoftBank Group's AMBQ Position: Q2 2026 in Review

SoftBank Group held its Ambiq Micro (AMBQ) position steady in Q2 2026 at 148,939 shares worth $13.2M. The position accounts for 0.07% of the portfolio, ranked #23.

SoftBank Group first reported a position in AMBQ in Q3 2025 and has held it in 4 quarters since. 185 funds tracked by Wall St. Rank hold AMBQ as of Q2 2026.

SoftBank Group held 148,939 shares of Ambiq Micro worth $13.2M as of Q2 2026.
SoftBank Group left its Ambiq Micro share count unchanged in Q2 2026.
Ambiq Micro made up 0.07% of SoftBank Group's portfolio in Q2 2026, its #23 holding.
SoftBank Group first reported a position in Ambiq Micro in Q3 2025 and has held it in 4 quarters since.
185 funds tracked by Wall St. Rank held Ambiq Micro as of Q2 2026.

Based on SoftBank Group's 13F filing for Q2 2026, filed 14 Aug 2026.