CPCM
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Cornerstone Partners Capital Management’s Amprius Technologies AMPX Stock Holding History

Cornerstone Partners Capital 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 		$426K Hold
30,706
– – 1.24% 6
2026
Q1 		$518K Hold
30,706
– – 1.29% 6
2025
Q4 		$242K Hold
30,706
– – 0.67% 6
2025
Q3 		$323K Hold
30,706
– – 0.94% 6
2025
Q2 		$129K Buy
30,706
+15,353
+100% +$43.2K 0.39% 6
2025
Q1 		$41.1K Buy
+15,353
New +$45.3K 0.09% 9

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

Cornerstone Partners Capital Management's AMPX Position: Q2 2026 in Review

Cornerstone Partners Capital Management held its Amprius Technologies (AMPX) position steady in Q2 2026 at 30,706 shares worth $426K. The position accounts for 1.24% of the portfolio, ranked #6.

Cornerstone Partners Capital Management first reported a position in AMPX in Q1 2025 and has held it in 6 quarters since. The position peaked at $518K in Q1 2026. 261 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Cornerstone Partners Capital Management held 30,706 shares of Amprius Technologies worth $426K as of Q2 2026.
  • Cornerstone Partners Capital Management left its Amprius Technologies share count unchanged in Q2 2026.
  • Amprius Technologies made up 1.24% of Cornerstone Partners Capital Management's portfolio in Q2 2026, its #6 holding.
  • Cornerstone Partners Capital Management first reported a position in Amprius Technologies in Q1 2025 and has held it in 6 quarters since.
  • Cornerstone Partners Capital Management's Amprius Technologies position peaked at $518K in Q1 2026.
  • 261 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Cornerstone Partners Capital Management's 13F filing for Q2 2026, filed 30 Jul 2026.