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Aigen Investment Management’s Amprius Technologies AMPX Stock Holding History

Aigen Investment Management’s Portfolio AMPX Stock Details AMPX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-27,190
Closed -$286K – 573
2025
Q3 		$286K Buy
27,190
+9,379
+53% +$73.8K 0.04% 551
2025
Q2 		$75K Buy
+17,811
New +$50.1K 0.01% 731

Other funds holding AMPX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Aigen Investment Management's AMPX Position: Q4 2025 in Review

Aigen Investment Management sold out of Amprius Technologies (AMPX) in Q4 2025, closing a stake of 27,190 shares — an estimated $286K sold.

Aigen Investment Management first reported a position in AMPX in Q2 2025 and held it in 2 quarters. The position peaked at $286K in Q3 2025. 204 funds tracked by Wall St. Rank hold AMPX as of Q4 2025.

  • Aigen Investment Management reported no remaining Amprius Technologies position as of Q4 2025 after selling out during the quarter.
  • Aigen Investment Management sold 27,190 Amprius Technologies shares in Q4 2025, an estimated $286K.
  • Aigen Investment Management first reported a position in Amprius Technologies in Q2 2025 and held it in 2 quarters.
  • Aigen Investment Management's Amprius Technologies position peaked at $286K in Q3 2025.
  • 204 funds tracked by Wall St. Rank held Amprius Technologies as of Q4 2025.

Based on Aigen Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.