Vanguard Group’s Ambiq Micro AMBQ Stock Holding History

Vanguard 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
2025 Q4	$9.35M	Buy	328,182 +20,346	+7%	+$583K	﹤0.01%	2992
2025 Q3	$9.21M	Buy	+307,836	New	+$11.2M	﹤0.01%	3022

Other funds holding AMBQ

Atreides Management Boston, Massachusetts $5B AUM 78.34% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Kadensa Capital Central, Hong Kong $718M AUM 38.33% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

SSA

Schonfeld Strategic Advisors New York $14.2B AUM 37.17% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return

SAM

Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return

SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return

Vanguard Group's AMBQ Position: Q4 2025 in Review

Vanguard Group increased its Ambiq Micro (AMBQ) stake by 6.6% in Q4 2025, buying an estimated $583K and bringing the position to 328,182 shares worth $9.35M. The position accounts for ﹤0.01% of the portfolio, ranked #2992.

Vanguard Group first reported a position in AMBQ in Q3 2025 and has held it in 2 quarters since. 75 funds tracked by Wall St. Rank hold AMBQ as of Q4 2025.

Vanguard Group held 328,182 shares of Ambiq Micro worth $9.35M as of Q4 2025.
Vanguard Group bought 20,346 Ambiq Micro shares in Q4 2025, an estimated $583K.
Ambiq Micro made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #2992 holding.
Vanguard Group first reported a position in Ambiq Micro in Q3 2025 and has held it in 2 quarters since.
75 funds tracked by Wall St. Rank held Ambiq Micro as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.