Charles Schwab
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Charles Schwab’s Amprius Technologies AMPX Stock Holding History

Charles Schwab’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 		$16.3M Buy
1,176,959
+137,565
+13% +$2.46M ﹤0.01% 1924
2026
Q1 		$17.5M Buy
1,039,394
+2,503
+0.2% +$32.6K ﹤0.01% 1813
2025
Q4 		$8.18M Buy
1,036,891
+62,406
+6% +$713K ﹤0.01% 2233
2025
Q3 		$10.3M Buy
974,485
+477,586
+96% +$3.76M ﹤0.01% 2107
2025
Q2 		$2.09M Buy
496,899
+238,956
+93% +$672K ﹤0.01% 2653
2025
Q1 		$691K Buy
257,943
+59,501
+30% +$176K ﹤0.01% 2969
2024
Q4 		$556K Sell
198,442
-75,605
-28% -$132K ﹤0.01% 3114
2024
Q3 		$304K Buy
274,047
+152,102
+125% +$168K ﹤0.01% 3280
2024
Q2 		$155K Buy
121,945
+22,396
+22% +$36.5K ﹤0.01% 3455
2024
Q1 		$264K Buy
99,549
+2,585
+3% +$9.6K ﹤0.01% 3199
2023
Q4 		$513K Buy
96,964
+1,540
+2% +$5.79K ﹤0.01% 3068
2023
Q3 		$452K Buy
95,424
+16,922
+22% +$99.6K ﹤0.01% 3078
2023
Q2 		$564K Buy
78,502
+12,619
+19% +$108K ﹤0.01% 2994
2023
Q1 		$574K Sell
65,883
-888
-1% -$5.61K ﹤0.01% 2907
2022
Q4 		$529K Buy
+66,771
New +$612K ﹤0.01% 2992

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

Charles Schwab's AMPX Position: Q2 2026 in Review

Charles Schwab increased its Amprius Technologies (AMPX) stake by 13% in Q2 2026, buying an estimated $2.46M and bringing the position to 1,176,959 shares worth $16.3M. The position accounts for ﹤0.01% of the portfolio, ranked #1924.

Charles Schwab first reported a position in AMPX in Q4 2022 and has held it in 15 quarters since. The position peaked at $17.5M in Q1 2026. 262 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Charles Schwab held 1,176,959 shares of Amprius Technologies worth $16.3M as of Q2 2026.
  • Charles Schwab bought 137,565 Amprius Technologies shares in Q2 2026, an estimated $2.46M.
  • Amprius Technologies made up ﹤0.01% of Charles Schwab's portfolio in Q2 2026, its #1924 holding.
  • Charles Schwab first reported a position in Amprius Technologies in Q4 2022 and has held it in 15 quarters since.
  • Charles Schwab's Amprius Technologies position peaked at $17.5M in Q1 2026.
  • 262 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.