Driehaus Capital Management’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
Q1
$64M Buy
3,794,178
+1,400,966
+59% +$18.3M 0.47% 62
2025
Q4
$18.9M Sell
2,393,212
-697,457
-23% -$7.97M 0.13% 212
2025
Q3
$32.5M Buy
+3,090,669
New +$24.3M 0.23% 143

Other funds holding AMPX

Driehaus Capital Management's AMPX Position: Q1 2026 in Review

Driehaus Capital Management increased its Amprius Technologies (AMPX) stake by 59% in Q1 2026, buying an estimated $18.3M and bringing the position to 3,794,178 shares worth $64M. The position accounts for 0.47% of the portfolio, ranked #62.

Driehaus Capital Management first reported a position in AMPX in Q3 2025 and has held it in 3 quarters since. 245 funds tracked by Wall St. Rank hold AMPX as of Q1 2026.

  • Driehaus Capital Management held 3,794,178 shares of Amprius Technologies worth $64M as of Q1 2026.
  • Driehaus Capital Management bought 1,400,966 Amprius Technologies shares in Q1 2026, an estimated $18.3M.
  • Amprius Technologies made up 0.47% of Driehaus Capital Management's portfolio in Q1 2026, its #62 holding.
  • Driehaus Capital Management first reported a position in Amprius Technologies in Q3 2025 and has held it in 3 quarters since.
  • 245 funds tracked by Wall St. Rank held Amprius Technologies as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.