Renaissance Technologies
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Renaissance Technologies’s Amprius Technologies AMPX Stock Holding History

Renaissance Technologies’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 		$6.06M Buy
359,525
+246,700
+219% +$3.22M 0.01% 1256
2025
Q4 		$890K Buy
112,825
+100,425
+810% +$1.15M ﹤0.01% 2346
2025
Q3 		$130K Sell
12,400
-1,334,200
-99% -$10.5M ﹤0.01% 3222
2025
Q2 		$5.67M Buy
1,346,600
+1,332,200
+9,251% +$3.75M 0.01% 1442
2025
Q1 		$38.6K Sell
14,400
-750,700
-98% -$2.21M ﹤0.01% 3313
2024
Q4 		$2.14M Buy
765,100
+752,000
+5,740% +$1.31M ﹤0.01% 2003
2024
Q3 		$14.5K Buy
+13,100
New +$14.4K ﹤0.01% 3447

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

Renaissance Technologies's AMPX Position: Q1 2026 in Review

Renaissance Technologies increased its Amprius Technologies (AMPX) stake by 219% in Q1 2026, buying an estimated $3.22M and bringing the position to 359,525 shares worth $6.06M. The position accounts for 0.01% of the portfolio, ranked #1256.

Renaissance Technologies first reported a position in AMPX in Q3 2024 and has held it in 7 quarters since. 245 funds tracked by Wall St. Rank hold AMPX as of Q1 2026.

  • Renaissance Technologies held 359,525 shares of Amprius Technologies worth $6.06M as of Q1 2026.
  • Renaissance Technologies bought 246,700 Amprius Technologies shares in Q1 2026, an estimated $3.22M.
  • Amprius Technologies made up 0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1256 holding.
  • Renaissance Technologies first reported a position in Amprius Technologies in Q3 2024 and has held it in 7 quarters since.
  • 245 funds tracked by Wall St. Rank held Amprius Technologies as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.