Ameriprise’s Amprius Technologies AMPX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$749K Sell
54,071
-6,113
-10% -$110K ﹤0.01% 3528
2026
Q1
$993K Sell
60,184
-17,825
-23% -$232K ﹤0.01% 3299
2025
Q4
$615K Buy
78,009
+44,995
+136% +$514K ﹤0.01% 3547
2025
Q3
$347K Buy
+33,014
New +$260K ﹤0.01% 3742

Other funds holding AMPX

Ameriprise's AMPX Position: Q2 2026 in Review

Ameriprise reduced its Amprius Technologies (AMPX) stake by 10% in Q2 2026, selling an estimated $110K and leaving 54,071 shares worth $749K. The position accounts for ﹤0.01% of the portfolio, ranked #3528.

Ameriprise first reported a position in AMPX in Q3 2025 and has held it in 4 quarters since. The position peaked at $993K in Q1 2026. 261 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Ameriprise held 54,071 shares of Amprius Technologies worth $749K as of Q2 2026.
  • Ameriprise sold 6,113 Amprius Technologies shares in Q2 2026, an estimated $110K.
  • Amprius Technologies made up ﹤0.01% of Ameriprise's portfolio in Q2 2026, its #3528 holding.
  • Ameriprise first reported a position in Amprius Technologies in Q3 2025 and has held it in 4 quarters since.
  • Ameriprise's Amprius Technologies position peaked at $993K in Q1 2026.
  • 261 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Ameriprise's 13F filing for Q2 2026, filed 14 Aug 2026.