CMP
AMBQ

Coston McIsaac & Partners’s Ambiq Micro AMBQ Stock Holding History

Coston McIsaac & 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
Q1 		– Sell
-1
Closed – – 937
2025
Q4 		$0 Hold
1
– – ﹤0.01% 935
2025
Q3 		$0 Buy
+1
New +$36 ﹤0.01% 878

Other funds holding AMBQ

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AM
Atreides Management Boston, Massachusetts $5B AUM 78.34% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SSA
Schonfeld Strategic Advisors New York $14.2B AUM 37.17% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Coston McIsaac & Partners's AMBQ Position: Q1 2026 in Review

Coston McIsaac & Partners sold out of Ambiq Micro (AMBQ) in Q1 2026, closing a stake of 1 share.

Coston McIsaac & Partners first reported a position in AMBQ in Q3 2025 and held it in 2 quarters. The position peaked at $0 in Q4 2025. 97 funds tracked by Wall St. Rank hold AMBQ as of Q1 2026.

  • Coston McIsaac & Partners reported no remaining Ambiq Micro position as of Q1 2026 after selling out during the quarter.
  • Coston McIsaac & Partners sold 1 Ambiq Micro share in Q1 2026.
  • Coston McIsaac & Partners first reported a position in Ambiq Micro in Q3 2025 and held it in 2 quarters.
  • Coston McIsaac & Partners's Ambiq Micro position peaked at $0 in Q4 2025.
  • 97 funds tracked by Wall St. Rank held Ambiq Micro as of Q1 2026.

Based on Coston McIsaac & Partners's 13F filing for Q1 2026, filed 22 Apr 2026.