Vanguard Group
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Vanguard Group’s Amprius Technologies AMPX Stock Holding History

Vanguard Group’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
Q4 		$56.2M Buy
7,128,657
+616,037
+9% +$7.04M ﹤0.01% 2097
2025
Q3 		$68.5M Buy
6,512,620
+1,757,395
+37% +$13.8M ﹤0.01% 2011
2025
Q2 		$20M Sell
4,755,225
-105,912
-2% -$298K ﹤0.01% 2558
2025
Q1 		$13M Buy
4,861,137
+682,540
+16% +$2.01M ﹤0.01% 2700
2024
Q4 		$11.7M Buy
4,178,597
+3,200,950
+327% +$5.59M ﹤0.01% 2865
2024
Q3 		$1.09M Buy
977,647
+6,915
+0.7% +$7.62K ﹤0.01% 3747
2024
Q2 		$1.23M Buy
970,732
+56,766
+6% +$92.6K ﹤0.01% 3720
2024
Q1 		$2.42M Buy
913,966
+2,456
+0.3% +$9.12K ﹤0.01% 3531
2023
Q4 		$4.82M Buy
911,510
+52,746
+6% +$198K ﹤0.01% 3304
2023
Q3 		$4.07M Buy
858,764
+21,775
+3% +$128K ﹤0.01% 3334
2023
Q2 		$6.01M Buy
836,989
+645,622
+337% +$5.54M ﹤0.01% 3218
2023
Q1 		$1.67M Sell
191,367
-11,100
-5% -$70.1K ﹤0.01% 3739
2022
Q4 		$1.61M Buy
+202,467
New +$1.86M ﹤0.01% 3745

Other funds holding AMPX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Voloridge Investment Management
Voloridge Investment Management Jupiter, Florida $23.5B AUM 33.24% 1-Year Est. Return

Vanguard Group's AMPX Position: Q4 2025 in Review

Vanguard Group increased its Amprius Technologies (AMPX) stake by 9.5% in Q4 2025, buying an estimated $7.04M and bringing the position to 7,128,657 shares worth $56.2M. The position accounts for ﹤0.01% of the portfolio, ranked #2097.

Vanguard Group first reported a position in AMPX in Q4 2022 and has held it in 13 quarters since. The position peaked at $68.5M in Q3 2025. 205 funds tracked by Wall St. Rank hold AMPX as of Q4 2025.

  • Vanguard Group held 7,128,657 shares of Amprius Technologies worth $56.2M as of Q4 2025.
  • Vanguard Group bought 616,037 Amprius Technologies shares in Q4 2025, an estimated $7.04M.
  • Amprius Technologies made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #2097 holding.
  • Vanguard Group first reported a position in Amprius Technologies in Q4 2022 and has held it in 13 quarters since.
  • Vanguard Group's Amprius Technologies position peaked at $68.5M in Q3 2025.
  • 205 funds tracked by Wall St. Rank held Amprius Technologies as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.