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Dark Forest Capital Management’s Amprius Technologies AMPX Stock Holding History

Dark Forest 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 		$750K Buy
+54,128
New +$970K 0.05% 567
2026
Q1 		– Sell
-71,885
Closed -$567K – 782
2025
Q4 		$567K Buy
71,885
+51,752
+257% +$592K 0.03% 793
2025
Q3 		$212K Buy
+20,133
New +$158K 0.01% 1077

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

Dark Forest Capital Management's AMPX Position: Q2 2026 in Review

Dark Forest Capital Management opened a new position in Amprius Technologies (AMPX) in Q2 2026: 54,128 shares worth $750K. The stake represents 0.05% of the portfolio and ranks #567 among its holdings. This is a return to the name: Dark Forest Capital Management previously reported a position in AMPX as recently as Q4 2025.

Dark Forest Capital Management first reported a position in AMPX in Q3 2025 and has held it in 3 quarters since. 262 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Dark Forest Capital Management held 54,128 shares of Amprius Technologies worth $750K as of Q2 2026.
  • Amprius Technologies was a new Dark Forest Capital Management position in Q2 2026.
  • Amprius Technologies made up 0.05% of Dark Forest Capital Management's portfolio in Q2 2026, its #567 holding.
  • Dark Forest Capital Management first reported a position in Amprius Technologies in Q3 2025 and has held it in 3 quarters since.
  • 262 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Dark Forest Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.