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HRT Financial’s Amprius Technologies AMPX Stock Holding History

HRT Financial’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 		$16.9M Buy
+1,002,658
New +$13.1M 0.04% 401
2025
Q4 		– Sell
-150,564
Closed -$1.58M – 3126
2025
Q3 		$1.58M Sell
150,564
-65,069
-30% -$512K 0.01% 1283
2025
Q2 		$907K Buy
215,633
+119,622
+125% +$336K ﹤0.01% 1314
2025
Q1 		$257K Buy
+96,011
New +$283K ﹤0.01% 1855
2023
Q2 		– Sell
-51,515
Closed -$448K – 2415
2023
Q1 		$448K Buy
+51,515
New +$325K 0.01% 1457

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

HRT Financial's AMPX Position: Q1 2026 in Review

HRT Financial opened a new position in Amprius Technologies (AMPX) in Q1 2026: 1,002,658 shares worth $16.9M. The stake represents 0.04% of the portfolio and ranks #401 among its holdings. This is a return to the name: HRT Financial previously reported a position in AMPX as recently as Q3 2025.

HRT Financial first reported a position in AMPX in Q1 2023 and has held it in 5 quarters since. 245 funds tracked by Wall St. Rank hold AMPX as of Q1 2026.

  • HRT Financial held 1,002,658 shares of Amprius Technologies worth $16.9M as of Q1 2026.
  • Amprius Technologies was a new HRT Financial position in Q1 2026.
  • Amprius Technologies made up 0.04% of HRT Financial's portfolio in Q1 2026, its #401 holding.
  • HRT Financial first reported a position in Amprius Technologies in Q1 2023 and has held it in 5 quarters since.
  • 245 funds tracked by Wall St. Rank held Amprius Technologies as of Q1 2026.

Based on HRT Financial's 13F filing for Q1 2026, filed 14 May 2026.