RhumbLine Advisers’s Amprius Technologies AMPX Stock Holding History

RhumbLine Advisers’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	$2.33M	Buy	167,963 +35,870	+27%	+$643K	﹤0.01%	1864
2026 Q1	$2.23M	Buy	132,093 +6,939	+6%	+$90.5K	﹤0.01%	1792
2025 Q4	$987K	Sell	125,154 -4,837	-4%	-$55.3K	﹤0.01%	2227
2025 Q3	$1.37M	Buy	129,991 +6,731	+5%	+$52.9K	﹤0.01%	2086
2025 Q2	$519K	Buy	123,260 +107,570	+686%	+$303K	﹤0.01%	2665
2025 Q1	$42K	Buy	15,690 +5,951	+61%	+$17.6K	﹤0.01%	3613
2024 Q4	$27.3K	Buy	9,739 +3,222	+49%	+$5.63K	﹤0.01%	3763
2024 Q3	$7.23K	Sell	6,517 -1,153	-15%	-$1.27K	﹤0.01%	3933
2024 Q2	$9.73K	Buy	7,670 +2,429	+46%	+$3.96K	﹤0.01%	3982
2024 Q1	$13.9K	Sell	5,241 -102	-2%	-$379	﹤0.01%	3817
2023 Q4	$28.3K	Hold	5,343	–	–	﹤0.01%	3727
2023 Q3	$25.3K	Buy	5,343 +669	+14%	+$3.94K	﹤0.01%	3748
2023 Q2	$33.6K	Buy	+4,674	New	+$40.1K	﹤0.01%	3742

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 $3.38T AUM 44.17% 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

RhumbLine Advisers's AMPX Position: Q2 2026 in Review

RhumbLine Advisers increased its Amprius Technologies (AMPX) stake by 27% in Q2 2026, buying an estimated $643K and bringing the position to 167,963 shares worth $2.33M. The position accounts for ﹤0.01% of the portfolio, ranked #1864.

RhumbLine Advisers first reported a position in AMPX in Q2 2023 and has held it in 13 quarters since. 261 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

RhumbLine Advisers held 167,963 shares of Amprius Technologies worth $2.33M as of Q2 2026.
RhumbLine Advisers bought 35,870 Amprius Technologies shares in Q2 2026, an estimated $643K.
Amprius Technologies made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #1864 holding.
RhumbLine Advisers first reported a position in Amprius Technologies in Q2 2023 and has held it in 13 quarters since.
261 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.