Charles Schwab
AMBQ icon

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
Q2 		$8.69M Buy
98,449
+17,382
+21% +$1.03M ﹤0.01% 2222
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

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Atreides Management
Atreides Management Boston, Massachusetts $14.3B AUM 116.01% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Needham Investment Management
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return

Charles Schwab's AMBQ Position: Q2 2026 in Review

Charles Schwab increased its Ambiq Micro (AMBQ) stake by 21% in Q2 2026, buying an estimated $1.03M and bringing the position to 98,449 shares worth $8.69M. The position accounts for ﹤0.01% of the portfolio, ranked #2222.

Charles Schwab first reported a position in AMBQ in Q3 2025 and has held it in 4 quarters since. 184 funds tracked by Wall St. Rank hold AMBQ as of Q2 2026.

  • Charles Schwab held 98,449 shares of Ambiq Micro worth $8.69M as of Q2 2026.
  • Charles Schwab bought 17,382 Ambiq Micro shares in Q2 2026, an estimated $1.03M.
  • Ambiq Micro made up ﹤0.01% of Charles Schwab's portfolio in Q2 2026, its #2222 holding.
  • Charles Schwab first reported a position in Ambiq Micro in Q3 2025 and has held it in 4 quarters since.
  • 184 funds tracked by Wall St. Rank held Ambiq Micro as of Q2 2026.

Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.