Bank of America’s Amprius Technologies AMPX Stock Holding History

Bank of America’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 Q4	–	Sell	-464,200	Closed	-$2.2M	–	7983
2023 Q3	$2.2M	Buy	+464,200	New	+$2.73M	﹤0.01%	4152

Other funds holding AMPX

BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

Bank of America's AMPX Position: Q1 2026 in Review

Bank of America reduced its Amprius Technologies (AMPX) stake by 12% in Q1 2026, selling an estimated $450K and leaving 265,418 shares worth $4.47M. The position accounts for ﹤0.01% of the portfolio, ranked #3561.

Bank of America first reported a position in AMPX in Q4 2022 and has held it in 14 quarters since. 245 funds tracked by Wall St. Rank hold AMPX as of Q1 2026.

Bank of America held 265,418 shares of Amprius Technologies worth $4.47M as of Q1 2026.
Bank of America sold 34,508 Amprius Technologies shares in Q1 2026, an estimated $450K.
Amprius Technologies made up ﹤0.01% of Bank of America's portfolio in Q1 2026, its #3561 holding.
Bank of America first reported a position in Amprius Technologies in Q4 2022 and has held it in 14 quarters since.
245 funds tracked by Wall St. Rank held Amprius Technologies as of Q1 2026.

Based on Bank of America's 13F filing for Q1 2026, filed 18 May 2026.