HighTower Advisors
AMBQ

HighTower Advisors’s Ambiq Micro AMBQ Stock Holding History

HighTower Advisors’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 		$1.92M Buy
21,768
+116
+0.5% +$6.87K ﹤0.01% 1807
2026
Q1 		$550K Buy
+21,652
New +$646K ﹤0.01% 2637

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

HighTower Advisors's AMBQ Position: Q2 2026 in Review

HighTower Advisors increased its Ambiq Micro (AMBQ) stake by 0.54% in Q2 2026, buying an estimated $6.87K and bringing the position to 21,768 shares worth $1.92M. The position accounts for ﹤0.01% of the portfolio, ranked #1807.

HighTower Advisors 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.

  • HighTower Advisors held 21,768 shares of Ambiq Micro worth $1.92M as of Q2 2026.
  • HighTower Advisors bought 116 Ambiq Micro shares in Q2 2026, an estimated $6.87K.
  • Ambiq Micro made up ﹤0.01% of HighTower Advisors's portfolio in Q2 2026, its #1807 holding.
  • HighTower Advisors 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 HighTower Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.