Stifel Financial’s Ambiq Micro AMBQ Stock Holding History

Stifel Financial’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	$1.07M	Sell	12,112 -15,583	-56%	-$923K	﹤0.01%	2510
2026 Q1	$704K	Buy	+27,695	New	+$826K	﹤0.01%	2657

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

Stifel Financial's AMBQ Position: Q2 2026 in Review

Stifel Financial reduced its Ambiq Micro (AMBQ) stake by 56% in Q2 2026, selling an estimated $923K and leaving 12,112 shares worth $1.07M. The position accounts for ﹤0.01% of the portfolio, ranked #2510.

Stifel Financial first reported a position in AMBQ in Q1 2026 and has held it in 2 quarters since. 185 funds tracked by Wall St. Rank hold AMBQ as of Q2 2026.

Stifel Financial held 12,112 shares of Ambiq Micro worth $1.07M as of Q2 2026.
Stifel Financial sold 15,583 Ambiq Micro shares in Q2 2026, an estimated $923K.
Ambiq Micro made up ﹤0.01% of Stifel Financial's portfolio in Q2 2026, its #2510 holding.
Stifel Financial first reported a position in Ambiq Micro in Q1 2026 and has held it in 2 quarters since.
185 funds tracked by Wall St. Rank held Ambiq Micro as of Q2 2026.

Based on Stifel Financial's 13F filing for Q2 2026, filed 12 Aug 2026.