UBS AM’s Amprius Technologies AMPX Stock Holding History

UBS AM’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 Q1	$3.8M	Buy	225,224 +36,380	+19%	+$474K	﹤0.01%	1703
2025 Q4	$1.49M	Buy	188,844 +72,360	+62%	+$827K	﹤0.01%	1993
2025 Q3	$1.23M	Buy	+116,484	New	+$916K	﹤0.01%	1943

Other funds holding AMPX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

UBS AM's AMPX Position: Q1 2026 in Review

UBS AM increased its Amprius Technologies (AMPX) stake by 19% in Q1 2026, buying an estimated $474K and bringing the position to 225,224 shares worth $3.8M. The position accounts for ﹤0.01% of the portfolio, ranked #1703.

UBS AM 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.

UBS AM held 225,224 shares of Amprius Technologies worth $3.8M as of Q1 2026.
UBS AM bought 36,380 Amprius Technologies shares in Q1 2026, an estimated $474K.
Amprius Technologies made up ﹤0.01% of UBS AM's portfolio in Q1 2026, its #1703 holding.
UBS AM 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 UBS AM's 13F filing for Q1 2026, filed 13 May 2026.