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Robertson Stephens Wealth Management’s Amprius Technologies AMPX Stock Holding History

Robertson Stephens Wealth Management’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
Q3 		– Sell
-31,094
Closed -$131K – 531
2025
Q2 		$131K Buy
+31,094
New +$87.5K ﹤0.01% 537

Other funds holding AMPX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return

Robertson Stephens Wealth Management's AMPX Position: Q3 2025 in Review

Robertson Stephens Wealth Management sold out of Amprius Technologies (AMPX) in Q3 2025, closing a stake of 31,094 shares — an estimated $131K sold.

Robertson Stephens Wealth Management first reported a position in AMPX in Q2 2025 and held it in 1 quarter. The position peaked at $131K in Q2 2025. 187 funds tracked by Wall St. Rank hold AMPX as of Q3 2025.

  • Robertson Stephens Wealth Management reported no remaining Amprius Technologies position as of Q3 2025 after selling out during the quarter.
  • Robertson Stephens Wealth Management sold 31,094 Amprius Technologies shares in Q3 2025, an estimated $131K.
  • Robertson Stephens Wealth Management first reported a position in Amprius Technologies in Q2 2025 and held it in 1 quarter.
  • Robertson Stephens Wealth Management's Amprius Technologies position peaked at $131K in Q2 2025.
  • 187 funds tracked by Wall St. Rank held Amprius Technologies as of Q3 2025.

Based on Robertson Stephens Wealth Management's 13F filing for Q3 2025, filed 12 Nov 2025.