Russell Investments Group’s Amprius Technologies AMPX Stock Holding History

Russell Investments Group’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	$2.81M	Sell	202,959 -340,504	-63%	-$6.1M	﹤0.01%	1885
2026 Q1	$9.16M	Buy	543,463 +308,444	+131%	+$4.02M	0.01%	988
2025 Q4	$1.85M	Sell	235,019 -70,054	-23%	-$801K	﹤0.01%	1908
2025 Q3	$3.21M	Buy	305,073 +299,258	+5,146%	+$2.35M	﹤0.01%	1595
2025 Q2	$24.5K	Buy	5,815 +4,514	+347%	+$12.7K	﹤0.01%	3150
2025 Q1	$3.49K	Sell	1,301 -110	-8%	-$325	﹤0.01%	3424
2024 Q4	$3.95K	Buy	1,411 +1,197	+559%	+$2.09K	﹤0.01%	3333
2024 Q3	$238	Buy	+214	New	+$236	﹤0.01%	3621

Other funds holding AMPX

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

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

JAM

Jupiter Asset Management London, United Kingdom $20.2B AUM 29.18% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return

SIMG

Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

TCM

TimesSquare Capital Management New York $6.8B AUM 45.85% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Oppenheimer & Co New York $9.37B AUM 36.4% 1-Year Est. Return

Polen Capital Management Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return

Russell Investments Group's AMPX Position: Q2 2026 in Review

Russell Investments Group reduced its Amprius Technologies (AMPX) stake by 63% in Q2 2026, selling an estimated $6.1M and leaving 202,959 shares worth $2.81M. The position accounts for ﹤0.01% of the portfolio, ranked #1885.

Russell Investments Group first reported a position in AMPX in Q3 2024 and has held it in 8 quarters since. The position peaked at $9.16M in Q1 2026. 112 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

Russell Investments Group held 202,959 shares of Amprius Technologies worth $2.81M as of Q2 2026.
Russell Investments Group sold 340,504 Amprius Technologies shares in Q2 2026, an estimated $6.1M.
Amprius Technologies made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #1885 holding.
Russell Investments Group first reported a position in Amprius Technologies in Q3 2024 and has held it in 8 quarters since.
Russell Investments Group's Amprius Technologies position peaked at $9.16M in Q1 2026.
112 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.