AllianceBernstein
AMBQ

AllianceBernstein’s Ambiq Micro AMBQ Stock Holding History

AllianceBernstein’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 		$15.5M Sell
609,607
-76,491
-11% -$4.53M 0.01% 1026
2026
Q1 		$19.6M Buy
686,098
+290,727
+74% +$8.67M 0.01% 931
2025
Q4 		$11.3M Sell
395,371
-40,783
-9% -$1.17M ﹤0.01% 1183
2025
Q3 		$13M Buy
+436,154
New +$15.9M ﹤0.01% 1090

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
AM
Atreides Management Boston, Massachusetts $14.3B AUM 116.01% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return

AllianceBernstein's AMBQ Position: Q2 2026 in Review

AllianceBernstein reduced its Ambiq Micro (AMBQ) stake by 11% in Q2 2026, selling an estimated $4.53M and leaving 609,607 shares worth $15.5M. The position accounts for 0.01% of the portfolio, ranked #1026.

AllianceBernstein first reported a position in AMBQ in Q3 2025 and has held it in 4 quarters since. The position peaked at $19.6M in Q1 2026. 184 funds tracked by Wall St. Rank hold AMBQ as of Q2 2026.

  • AllianceBernstein held 609,607 shares of Ambiq Micro worth $15.5M as of Q2 2026.
  • AllianceBernstein sold 76,491 Ambiq Micro shares in Q2 2026, an estimated $4.53M.
  • Ambiq Micro made up 0.01% of AllianceBernstein's portfolio in Q2 2026, its #1026 holding.
  • AllianceBernstein first reported a position in Ambiq Micro in Q3 2025 and has held it in 4 quarters since.
  • AllianceBernstein's Ambiq Micro position peaked at $19.6M in Q1 2026.
  • 184 funds tracked by Wall St. Rank held Ambiq Micro as of Q2 2026.

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