Arrowstreet Capital’s Amprius Technologies AMPX Stock Holding History

Arrowstreet Capital’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	–	Sell	-227,132	Closed	-$3.83M	–	1897
2026 Q1	$3.83M	Buy	+227,132	New	+$2.96M	﹤0.01%	1237
2025 Q4	–	Sell	-471,791	Closed	-$4.96M	–	1821
2025 Q3	$4.96M	Buy	+471,791	New	+$3.71M	﹤0.01%	1177

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

Arrowstreet Capital's AMPX Position: Q2 2026 in Review

Arrowstreet Capital sold out of Amprius Technologies (AMPX) in Q2 2026, closing a stake of 227,132 shares — an estimated $3.83M sold.

Arrowstreet Capital first reported a position in AMPX in Q3 2025 and held it in 2 quarters. The position peaked at $4.96M in Q3 2025. 261 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

Arrowstreet Capital reported no remaining Amprius Technologies position as of Q2 2026 after selling out during the quarter.
Arrowstreet Capital sold 227,132 Amprius Technologies shares in Q2 2026, an estimated $3.83M.
Arrowstreet Capital first reported a position in Amprius Technologies in Q3 2025 and held it in 2 quarters.
Arrowstreet Capital's Amprius Technologies position peaked at $4.96M in Q3 2025.
261 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.