Sigma Planning Corp’s Amprius Technologies AMPX Stock Holding History

Sigma Planning Corp’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	-30,285	Closed	-$511K	–	1407
2026 Q1	$511K	Buy	+30,285	New	+$395K	0.01%	823

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

Sigma Planning Corp's AMPX Position: Q2 2026 in Review

Sigma Planning Corp sold out of Amprius Technologies (AMPX) in Q2 2026, closing a stake of 30,285 shares — an estimated $511K sold.

Sigma Planning Corp first reported a position in AMPX in Q1 2026 and held it in 1 quarter. The position peaked at $511K in Q1 2026. 262 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

Sigma Planning Corp reported no remaining Amprius Technologies position as of Q2 2026 after selling out during the quarter.
Sigma Planning Corp sold 30,285 Amprius Technologies shares in Q2 2026, an estimated $511K.
Sigma Planning Corp first reported a position in Amprius Technologies in Q1 2026 and held it in 1 quarter.
Sigma Planning Corp's Amprius Technologies position peaked at $511K in Q1 2026.
262 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Sigma Planning Corp's 13F filing for Q2 2026, filed 7 Aug 2026.