Vanguard Personalized Indexing Management
AMPX icon

Vanguard Personalized Indexing Management’s Amprius Technologies AMPX Stock Holding History

Vanguard Personalized Indexing 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
2026
Q2 		$265K Sell
19,133
-4,000
-17% -$71.7K ﹤0.01% 1771
2026
Q1 		$390K Buy
23,133
+5,177
+29% +$67.5K ﹤0.01% 1458
2025
Q4 		$142K Sell
17,956
-1,682
-9% -$19.2K ﹤0.01% 1771
2025
Q3 		$207K Buy
19,638
+504
+3% +$3.96K ﹤0.01% 1691
2025
Q2 		$80.6K Buy
19,134
+2,873
+18% +$8.08K ﹤0.01% 1766
2025
Q1 		$43.6K Buy
16,261
+2,822
+21% +$8.32K ﹤0.01% 1688
2024
Q4 		$37.6K Buy
+13,439
New +$23.5K ﹤0.01% 1724
2024
Q3 		– Sell
-12,709
Closed -$16.1K – 1779
2024
Q2 		$16.1K Buy
+12,709
New +$20.7K ﹤0.01% 1669

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

Vanguard Personalized Indexing Management's AMPX Position: Q2 2026 in Review

Vanguard Personalized Indexing Management reduced its Amprius Technologies (AMPX) stake by 17% in Q2 2026, selling an estimated $71.7K and leaving 19,133 shares worth $265K. The position accounts for ﹤0.01% of the portfolio, ranked #1771.

Vanguard Personalized Indexing Management first reported a position in AMPX in Q2 2024 and has held it in 8 quarters since. The position peaked at $390K in Q1 2026. 262 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Vanguard Personalized Indexing Management held 19,133 shares of Amprius Technologies worth $265K as of Q2 2026.
  • Vanguard Personalized Indexing Management sold 4,000 Amprius Technologies shares in Q2 2026, an estimated $71.7K.
  • Amprius Technologies made up ﹤0.01% of Vanguard Personalized Indexing Management's portfolio in Q2 2026, its #1771 holding.
  • Vanguard Personalized Indexing Management first reported a position in Amprius Technologies in Q2 2024 and has held it in 8 quarters since.
  • Vanguard Personalized Indexing Management's Amprius Technologies position peaked at $390K in Q1 2026.
  • 262 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q2 2026, filed 11 Aug 2026.