Charles Schwab
AMBQ

Charles Schwab’s Ambiq Micro AMBQ Stock Holding History

Charles Schwab’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
Q1 		$2.06M Buy
81,067
+47,234
+140% +$1.41M ﹤0.01% 2713
2025
Q4 		$964K Buy
33,833
+2,981
+10% +$85.4K ﹤0.01% 2938
2025
Q3 		$923K Buy
+30,852
New +$1.12M ﹤0.01% 2978

Other funds holding AMBQ

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AM
Atreides Management Boston, Massachusetts $5B AUM 78.34% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SSA
Schonfeld Strategic Advisors New York $14.2B AUM 37.17% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Charles Schwab's AMBQ Position: Q1 2026 in Review

Charles Schwab increased its Ambiq Micro (AMBQ) stake by 140% in Q1 2026, buying an estimated $1.41M and bringing the position to 81,067 shares worth $2.06M. The position accounts for ﹤0.01% of the portfolio, ranked #2713.

Charles Schwab first reported a position in AMBQ in Q3 2025 and has held it in 3 quarters since. 97 funds tracked by Wall St. Rank hold AMBQ as of Q1 2026.

  • Charles Schwab held 81,067 shares of Ambiq Micro worth $2.06M as of Q1 2026.
  • Charles Schwab bought 47,234 Ambiq Micro shares in Q1 2026, an estimated $1.41M.
  • Ambiq Micro made up ﹤0.01% of Charles Schwab's portfolio in Q1 2026, its #2713 holding.
  • Charles Schwab first reported a position in Ambiq Micro in Q3 2025 and has held it in 3 quarters since.
  • 97 funds tracked by Wall St. Rank held Ambiq Micro as of Q1 2026.

Based on Charles Schwab's 13F filing for Q1 2026, filed 15 May 2026.