BlackRock
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BlackRock’s Amprius Technologies AMPX Stock Holding History

BlackRock’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 		$157M Buy
11,335,092
+2,109,481
+23% +$37.8M ﹤0.01% 1944
2026
Q1 		$156M Buy
9,225,611
+401,832
+5% +$5.24M ﹤0.01% 1826
2025
Q4 		$69.6M Buy
8,823,779
+1,368,076
+18% +$15.6M ﹤0.01% 2322
2025
Q3 		$78.4M Buy
7,455,703
+2,185,685
+41% +$17.2M ﹤0.01% 2245
2025
Q2 		$22.2M Buy
5,270,018
+4,195,966
+391% +$11.8M ﹤0.01% 2959
2025
Q1 		$2.88M Buy
1,074,052
+502,469
+88% +$1.48M ﹤0.01% 3877
2024
Q4 		$1.6M Sell
571,583
-120,946
-17% -$211K ﹤0.01% 4097
2024
Q3 		$769K Buy
692,529
+62,804
+10% +$69.2K ﹤0.01% 4235
2024
Q2 		$800K Buy
629,725
+106,942
+20% +$174K ﹤0.01% 4231
2024
Q1 		$1.39M Sell
522,783
-21,834
-4% -$81K ﹤0.01% 4110
2023
Q4 		$2.88M Buy
544,617
+88,562
+19% +$333K ﹤0.01% 3901
2023
Q3 		$2.16M Buy
456,055
+47,335
+12% +$279K ﹤0.01% 3957
2023
Q2 		$2.93M Buy
408,720
+241,384
+144% +$2.07M ﹤0.01% 3900
2023
Q1 		$1.46M Buy
167,336
+78
+0% +$493 ﹤0.01% 4196
2022
Q4 		$1.33M Buy
+167,258
New +$1.53M ﹤0.01% 4311

Other funds holding AMPX

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
LP
LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return

BlackRock's AMPX Position: Q2 2026 in Review

BlackRock increased its Amprius Technologies (AMPX) stake by 23% in Q2 2026, buying an estimated $37.8M and bringing the position to 11,335,092 shares worth $157M. The position accounts for ﹤0.01% of the portfolio, ranked #1944.

BlackRock first reported a position in AMPX in Q4 2022 and has held it in 15 quarters since. 262 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • BlackRock held 11,335,092 shares of Amprius Technologies worth $157M as of Q2 2026.
  • BlackRock bought 2,109,481 Amprius Technologies shares in Q2 2026, an estimated $37.8M.
  • Amprius Technologies made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #1944 holding.
  • BlackRock first reported a position in Amprius Technologies in Q4 2022 and has held it in 15 quarters since.
  • 262 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.