CenterBook Partners’s Ambiq Micro AMBQ Stock Holding History

CenterBook Partners’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	–	Sell	-55,568	Closed	-$1.41M	–	902
2026 Q1	$1.41M	Buy	+55,568	New	+$1.66M	0.08%	295

Other funds holding AMBQ

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Atreides Management Boston, Massachusetts $14.3B AUM 116.01% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

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

CenterBook Partners's AMBQ Position: Q2 2026 in Review

CenterBook Partners sold out of Ambiq Micro (AMBQ) in Q2 2026, closing a stake of 55,568 shares — an estimated $1.41M sold.

CenterBook Partners first reported a position in AMBQ in Q1 2026 and held it in 1 quarter. The position peaked at $1.41M in Q1 2026. 185 funds tracked by Wall St. Rank hold AMBQ as of Q2 2026.

CenterBook Partners reported no remaining Ambiq Micro position as of Q2 2026 after selling out during the quarter.
CenterBook Partners sold 55,568 Ambiq Micro shares in Q2 2026, an estimated $1.41M.
CenterBook Partners first reported a position in Ambiq Micro in Q1 2026 and held it in 1 quarter.
CenterBook Partners's Ambiq Micro position peaked at $1.41M in Q1 2026.
185 funds tracked by Wall St. Rank held Ambiq Micro as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.