Citigroup’s Ambiq Micro AMBQ Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.85M Buy
21,001
+16,707
+389% +$990K ﹤0.01% 2991
2026
Q1
$109K Buy
4,294
+3,193
+290% +$95.2K ﹤0.01% 4246
2025
Q4
$31.4K Buy
1,101
+955
+654% +$27.4K ﹤0.01% 4734
2025
Q3
$4.37K Buy
+146
New +$5.32K ﹤0.01% 5264

Other funds holding AMBQ

Citigroup's AMBQ Position: Q2 2026 in Review

Citigroup increased its Ambiq Micro (AMBQ) stake by 389% in Q2 2026, buying an estimated $990K and bringing the position to 21,001 shares worth $1.85M. The position accounts for ﹤0.01% of the portfolio, ranked #2991.

Citigroup first reported a position in AMBQ in Q3 2025 and has held it in 4 quarters since. 41 funds tracked by Wall St. Rank hold AMBQ as of Q2 2026.

  • Citigroup held 21,001 shares of Ambiq Micro worth $1.85M as of Q2 2026.
  • Citigroup bought 16,707 Ambiq Micro shares in Q2 2026, an estimated $990K.
  • Ambiq Micro made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #2991 holding.
  • Citigroup first reported a position in Ambiq Micro in Q3 2025 and has held it in 4 quarters since.
  • 41 funds tracked by Wall St. Rank held Ambiq Micro as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.