DCM
AMBQ

Driehaus Capital Management’s Ambiq Micro AMBQ Stock Holding History

Driehaus Capital Management’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 		$25.5M Sell
288,979
-91,789
-24% -$5.44M 0.15% 200
2026
Q1 		$9.68M Buy
+380,768
New +$11.4M 0.07% 271

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

Driehaus Capital Management's AMBQ Position: Q2 2026 in Review

Driehaus Capital Management reduced its Ambiq Micro (AMBQ) stake by 24% in Q2 2026, selling an estimated $5.44M and leaving 288,979 shares worth $25.5M. The position accounts for 0.15% of the portfolio, ranked #200.

Driehaus Capital Management 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.

  • Driehaus Capital Management held 288,979 shares of Ambiq Micro worth $25.5M as of Q2 2026.
  • Driehaus Capital Management sold 91,789 Ambiq Micro shares in Q2 2026, an estimated $5.44M.
  • Ambiq Micro made up 0.15% of Driehaus Capital Management's portfolio in Q2 2026, its #200 holding.
  • Driehaus Capital Management 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 Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.