Arrowstreet Capital
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Arrowstreet Capital’s Amprius Technologies AMPX Stock Holding History

Arrowstreet Capital’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
Q1 		$3.83M Buy
+227,132
New +$2.96M ﹤0.01% 1237
2025
Q4 		– Sell
-471,791
Closed -$4.96M – 1821
2025
Q3 		$4.96M Buy
+471,791
New +$3.71M ﹤0.01% 1177

Other funds holding AMPX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Arrowstreet Capital's AMPX Position: Q1 2026 in Review

Arrowstreet Capital opened a new position in Amprius Technologies (AMPX) in Q1 2026: 227,132 shares worth $3.83M. The stake represents ﹤0.01% of the portfolio and ranks #1237 among its holdings. This is a return to the name: Arrowstreet Capital previously reported a position in AMPX as recently as Q3 2025.

Arrowstreet Capital first reported a position in AMPX in Q3 2025 and has held it in 2 quarters since. The position peaked at $4.96M in Q3 2025. 245 funds tracked by Wall St. Rank hold AMPX as of Q1 2026.

  • Arrowstreet Capital held 227,132 shares of Amprius Technologies worth $3.83M as of Q1 2026.
  • Amprius Technologies was a new Arrowstreet Capital position in Q1 2026.
  • Amprius Technologies made up ﹤0.01% of Arrowstreet Capital's portfolio in Q1 2026, its #1237 holding.
  • Arrowstreet Capital first reported a position in Amprius Technologies in Q3 2025 and has held it in 2 quarters since.
  • Arrowstreet Capital's Amprius Technologies position peaked at $4.96M in Q3 2025.
  • 245 funds tracked by Wall St. Rank held Amprius Technologies as of Q1 2026.

Based on Arrowstreet Capital's 13F filing for Q1 2026, filed 14 May 2026.