WAM
AMPX icon

Warberg Asset Management’s Amprius Technologies AMPX Stock Holding History

Warberg Asset 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
2023
Q2 		– Sell
-20,000
Closed -$174K – 240
2023
Q1 		$174K Sell
20,000
-20,000
-50% -$126K 0.03% 112
2022
Q4 		$317K Buy
+40,000
New +$367K 0.05% 82

Other funds holding AMPX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
JAM
Jupiter Asset Management London, United Kingdom $20.2B AUM 29.18% 1-Year Est. Return

Warberg Asset Management's AMPX Position: Q2 2026 in Review

Warberg Asset Management opened a new position in Amprius Technologies (AMPX) in Q2 2026: 47,000 shares worth $651K. The stake represents 0.12% of the portfolio and ranks #69 among its holdings. This is a return to the name: Warberg Asset Management previously reported a position in AMPX as recently as Q2 2024.

Warberg Asset Management first reported a position in AMPX in Q2 2024 and has held it in 2 quarters since. 261 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Warberg Asset Management held 47,000 shares of Amprius Technologies worth $651K as of Q2 2026.
  • Amprius Technologies was a new Warberg Asset Management position in Q2 2026.
  • Amprius Technologies made up 0.12% of Warberg Asset Management's portfolio in Q2 2026, its #69 holding.
  • Warberg Asset Management first reported a position in Amprius Technologies in Q2 2024 and has held it in 2 quarters since.
  • 261 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Warberg Asset Management's 13F filing for Q2 2026, filed 11 Aug 2026.