B. Riley Financial’s Amprius Technologies AMPX Stock Holding History

B. Riley Financial’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
2026 Q2	$179K	Buy	+12,919	New	+$231K	0.04%	28

Other funds holding AMPX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

B. Riley Financial's AMPX Position: Q2 2026 in Review

B. Riley Financial opened a new position in Amprius Technologies (AMPX) in Q2 2026: 12,919 shares worth $179K. The stake represents 0.04% of the portfolio and ranks #28 among its holdings.

262 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

B. Riley Financial held 12,919 shares of Amprius Technologies worth $179K as of Q2 2026.
Amprius Technologies was a new B. Riley Financial position in Q2 2026.
Amprius Technologies made up 0.04% of B. Riley Financial's portfolio in Q2 2026, its #28 holding.
262 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on B. Riley Financial's 13F filing for Q2 2026, filed 14 Aug 2026.