Renaissance Technologies
AMPX icon

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
Q2 		$19.5M Buy
1,408,925
+1,049,400
+292% +$18.8M 0.03% 708
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 $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

Renaissance Technologies's AMPX Position: Q2 2026 in Review

Renaissance Technologies increased its Amprius Technologies (AMPX) stake by 292% in Q2 2026, buying an estimated $18.8M and bringing the position to 1,408,925 shares worth $19.5M. The position accounts for 0.03% of the portfolio, ranked #708.

Renaissance Technologies first reported a position in AMPX in Q3 2024 and has held it in 8 quarters since. 261 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Renaissance Technologies held 1,408,925 shares of Amprius Technologies worth $19.5M as of Q2 2026.
  • Renaissance Technologies bought 1,049,400 Amprius Technologies shares in Q2 2026, an estimated $18.8M.
  • Amprius Technologies made up 0.03% of Renaissance Technologies's portfolio in Q2 2026, its #708 holding.
  • Renaissance Technologies first reported a position in Amprius Technologies in Q3 2024 and has held it in 8 quarters since.
  • 261 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.