Commonwealth Equity Services
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Commonwealth Equity Services’s Amprius Technologies AMPX Stock Holding History

Commonwealth Equity Services’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 		$264K Sell
19,045
-8,629
-31% -$155K ﹤0.01% 3873
2026
Q1 		$467K Buy
27,674
+6,097
+28% +$79.5K ﹤0.01% 3272
2025
Q4 		$170K Buy
+21,577
New +$247K ﹤0.01% 4019

Other funds holding AMPX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
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

Commonwealth Equity Services's AMPX Position: Q2 2026 in Review

Commonwealth Equity Services reduced its Amprius Technologies (AMPX) stake by 31% in Q2 2026, selling an estimated $155K and leaving 19,045 shares worth $264K. The position accounts for ﹤0.01% of the portfolio, ranked #3873.

Commonwealth Equity Services first reported a position in AMPX in Q4 2025 and has held it in 3 quarters since. The position peaked at $467K in Q1 2026. 262 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Commonwealth Equity Services held 19,045 shares of Amprius Technologies worth $264K as of Q2 2026.
  • Commonwealth Equity Services sold 8,629 Amprius Technologies shares in Q2 2026, an estimated $155K.
  • Amprius Technologies made up ﹤0.01% of Commonwealth Equity Services's portfolio in Q2 2026, its #3873 holding.
  • Commonwealth Equity Services first reported a position in Amprius Technologies in Q4 2025 and has held it in 3 quarters since.
  • Commonwealth Equity Services's Amprius Technologies position peaked at $467K in Q1 2026.
  • 262 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Commonwealth Equity Services's 13F filing for Q2 2026, filed 29 Jul 2026.