Group One Trading’s Amprius Technologies AMPX Stock Holding History

Group One Trading’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
2025 Q4	–	Sell	-28,891	Closed	-$330K	–	8046
2025 Q3	$304K	Buy	28,891 +17,387	+151%	+$137K	﹤0.01%	4209
2025 Q2	$48.4K	Sell	11,504 -78,397	-87%	-$220K	﹤0.01%	5601
2025 Q1	$241K	Sell	89,901 -58,517	-39%	-$173K	﹤0.01%	3828
2024 Q4	$416K	Buy	+148,418	New	+$259K	﹤0.01%	3326
2024 Q2	–	Sell	-2,426	Closed	-$3.96K	–	6658
2024 Q1	$6.43K	Sell	2,426 -13,193	-84%	-$49K	﹤0.01%	6083
2023 Q4	$82.6K	Buy	+15,619	New	+$58.7K	﹤0.01%	4621

Other funds holding AMPX

BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 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

Group One Trading's AMPX Position: Q4 2025 in Review

Group One Trading sold out of Amprius Technologies (AMPX) in Q4 2025, closing a stake of 28,891 shares — an estimated $330K sold.

Group One Trading first reported a position in AMPX in Q4 2023 and held it in 6 quarters. The position peaked at $416K in Q4 2024. 204 funds tracked by Wall St. Rank hold AMPX as of Q4 2025.

Group One Trading reported no remaining Amprius Technologies position as of Q4 2025 after selling out during the quarter.
Group One Trading sold 28,891 Amprius Technologies shares in Q4 2025, an estimated $330K.
Group One Trading first reported a position in Amprius Technologies in Q4 2023 and held it in 6 quarters.
Group One Trading's Amprius Technologies position peaked at $416K in Q4 2024.
204 funds tracked by Wall St. Rank held Amprius Technologies as of Q4 2025.

Based on Group One Trading's 13F filing for Q4 2025, filed 12 Feb 2026.