AllianceBernstein’s Amprius Technologies AMPX Stock Holding History

AllianceBernstein’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	$2.56M	Buy	152,060 +43,800	+40%	+$785K	﹤0.01%	1900
2026 Q1	$854K	Sell	108,260 -15,600	-13%	-$203K	﹤0.01%	2401
2025 Q4	$977K	Hold	123,860	–	–	﹤0.01%	2352
2025 Q3	$1.3M	Sell	123,860 -40,200	-25%	-$316K	﹤0.01%	2221
2025 Q2	$691K	Buy	164,060 +105,600	+181%	+$297K	﹤0.01%	2479
2025 Q1	$157K	Hold	58,460	–	–	﹤0.01%	2982
2024 Q4	$164K	Hold	58,460	–	–	﹤0.01%	3061
2024 Q3	$64.9K	Buy	58,460 +4,990	+9%	+$5.5K	﹤0.01%	3171
2024 Q2	$67.9K	Buy	53,470 +41,310	+340%	+$67.4K	﹤0.01%	3163
2024 Q1	$32.2K	Hold	12,160	–	–	﹤0.01%	3108
2023 Q4	$64.3K	Hold	12,160	–	–	﹤0.01%	3113
2023 Q3	$57.6K	Sell	12,160 -710	-6%	-$4.18K	﹤0.01%	3126
2023 Q2	$92.4K	Buy	+12,870	New	+$110K	﹤0.01%	3088

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

AllianceBernstein's AMPX Position: Q2 2026 in Review

AllianceBernstein increased its Amprius Technologies (AMPX) stake by 40% in Q2 2026, buying an estimated $785K and bringing the position to 152,060 shares worth $2.56M. The position accounts for ﹤0.01% of the portfolio, ranked #1900.

AllianceBernstein first reported a position in AMPX in Q2 2023 and has held it in 13 quarters since. 262 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

AllianceBernstein held 152,060 shares of Amprius Technologies worth $2.56M as of Q2 2026.
AllianceBernstein bought 43,800 Amprius Technologies shares in Q2 2026, an estimated $785K.
Amprius Technologies made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #1900 holding.
AllianceBernstein first reported a position in Amprius Technologies in Q2 2023 and has held it in 13 quarters since.
262 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on AllianceBernstein's 13F filing for Q2 2026, filed 14 Aug 2026.