GGHC
AMBQ

Gilder Gagnon Howe & Co’s Ambiq Micro AMBQ Stock Holding History

Gilder Gagnon Howe & Co’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 		$14.1M Buy
159,623
+50,046
+46% +$2.97M 0.15% 113
2026
Q1 		$2.78M Buy
109,577
+15,832
+17% +$472K 0.03% 181
2025
Q4 		$2.67M Sell
93,745
-2,003
-2% -$57.4K 0.03% 183
2025
Q3 		$2.86M Buy
+95,748
New +$3.49M 0.03% 178

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

Gilder Gagnon Howe & Co's AMBQ Position: Q2 2026 in Review

Gilder Gagnon Howe & Co increased its Ambiq Micro (AMBQ) stake by 46% in Q2 2026, buying an estimated $2.97M and bringing the position to 159,623 shares worth $14.1M. The position accounts for 0.15% of the portfolio, ranked #113.

Gilder Gagnon Howe & Co 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.

  • Gilder Gagnon Howe & Co held 159,623 shares of Ambiq Micro worth $14.1M as of Q2 2026.
  • Gilder Gagnon Howe & Co bought 50,046 Ambiq Micro shares in Q2 2026, an estimated $2.97M.
  • Ambiq Micro made up 0.15% of Gilder Gagnon Howe & Co's portfolio in Q2 2026, its #113 holding.
  • Gilder Gagnon Howe & Co 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 Gilder Gagnon Howe & Co's 13F filing for Q2 2026, filed 14 Aug 2026.