JO
AMBQ

John Overdeck’s Ambiq Micro AMBQ Stock Holding History

John Overdeck’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 		$57.6M Buy
651,786
+614,992
+1,671% +$36.4M 0.04% 506
2026
Q1 		$935K Buy
+36,794
New +$1.1M ﹤0.01% 3311
2025
Q4 		– Sell
-7,466
Closed -$223K – 4526
2025
Q3 		$223K Buy
+7,466
New +$272K ﹤0.01% 3340

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
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
SSA
Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return

John Overdeck's AMBQ Position: Q2 2026 in Review

John Overdeck increased its Ambiq Micro (AMBQ) stake by 1,671% in Q2 2026, buying an estimated $36.4M and bringing the position to 651,786 shares worth $57.6M. The position accounts for 0.04% of the portfolio, ranked #506.

John Overdeck first reported a position in AMBQ in Q3 2025 and has held it in 3 quarters since. 184 funds tracked by Wall St. Rank hold AMBQ as of Q2 2026.

  • John Overdeck held 651,786 shares of Ambiq Micro worth $57.6M as of Q2 2026.
  • John Overdeck bought 614,992 Ambiq Micro shares in Q2 2026, an estimated $36.4M.
  • Ambiq Micro made up 0.04% of John Overdeck's portfolio in Q2 2026, its #506 holding.
  • John Overdeck first reported a position in Ambiq Micro in Q3 2025 and has held it in 3 quarters since.
  • 184 funds tracked by Wall St. Rank held Ambiq Micro as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.