Coston McIsaac & Partners
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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
Q3 		– Sell
-1
Closed – – 941
2026
Q2 		$0 Buy
+1
New +$59 ﹤0.01% 951
2026
Q1 		– Sell
-1
Closed – – 937
2025
Q4 		$0 Hold
1
– – ﹤0.01% 935
2025
Q3 		$0 Buy
+1
New +$36 ﹤0.01% 878

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Deutsche Bank
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Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Wasatch Advisors
Wasatch Advisors Salt Lake City, Utah $13.5B AUM 16.58% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Exchange Traded Concepts
Exchange Traded Concepts Oklahoma City, Oklahoma $25.3B AUM 51.52% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return

Coston McIsaac & Partners's AMBQ Position: Q3 2026 in Review

Coston McIsaac & Partners sold out of Ambiq Micro (AMBQ) in Q3 2026, closing a stake of 1 share.

Coston McIsaac & Partners first reported a position in AMBQ in Q3 2025 and held it in 3 quarters. The position peaked at $0 in Q2 2026. 81 funds tracked by Wall St. Rank hold AMBQ as of Q3 2026.

  • Coston McIsaac & Partners reported no remaining Ambiq Micro position as of Q3 2026 after selling out during the quarter.
  • Coston McIsaac & Partners sold 1 Ambiq Micro share in Q3 2026.
  • Coston McIsaac & Partners first reported a position in Ambiq Micro in Q3 2025 and held it in 3 quarters.
  • Coston McIsaac & Partners's Ambiq Micro position peaked at $0 in Q2 2026.
  • 81 funds tracked by Wall St. Rank held Ambiq Micro as of Q3 2026.

Based on Coston McIsaac & Partners's 13F filing for Q3 2026, filed 6 Nov 2026.