Mariner
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Mariner’s Ambiq Micro AMBQ Stock Holding History

Mariner’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 		$719K Buy
+10,542
New +$710K ﹤0.01% 2178

Other funds holding AMBQ

State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $54.9B AUM 27.38% 1-Year Est. Return
Emerald Advisers
Emerald Advisers Leola, Pennsylvania $3.64B AUM 71.19% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $294B AUM 47.59% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $33.4B AUM 56.97% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Mariner's AMBQ Position: Q3 2026 in Review

Mariner opened a new position in Ambiq Micro (AMBQ) in Q3 2026: 10,542 shares worth $719K. The stake represents ﹤0.01% of the portfolio and ranks #2178 among its holdings.

117 funds tracked by Wall St. Rank hold AMBQ as of Q3 2026.

  • Mariner held 10,542 shares of Ambiq Micro worth $719K as of Q3 2026.
  • Ambiq Micro was a new Mariner position in Q3 2026.
  • Ambiq Micro made up ﹤0.01% of Mariner's portfolio in Q3 2026, its #2178 holding.
  • 117 funds tracked by Wall St. Rank held Ambiq Micro as of Q3 2026.

Based on Mariner's 13F filing for Q3 2026, filed 12 Nov 2026.