Swiss National Bank
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Swiss National Bank’s Amprius Technologies AMPX Stock Holding History

Swiss National Bank’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 		$3.43M Buy
247,500
+15,100
+6% +$271K ﹤0.01% 1653
2026
Q1 		$3.92M Buy
232,400
+10,400
+5% +$136K ﹤0.01% 1489
2025
Q4 		$1.75M Buy
222,000
+46,700
+27% +$534K ﹤0.01% 1934
2025
Q3 		$1.84M Buy
+175,300
New +$1.38M ﹤0.01% 1894

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 $3.38T AUM 44.17% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Jupiter Asset Management
Jupiter Asset Management London, United Kingdom $20.2B AUM 29.18% 1-Year Est. Return

Swiss National Bank's AMPX Position: Q2 2026 in Review

Swiss National Bank increased its Amprius Technologies (AMPX) stake by 6.5% in Q2 2026, buying an estimated $271K and bringing the position to 247,500 shares worth $3.43M. The position accounts for ﹤0.01% of the portfolio, ranked #1653.

Swiss National Bank first reported a position in AMPX in Q3 2025 and has held it in 4 quarters since. The position peaked at $3.92M in Q1 2026. 261 funds tracked by Wall St. Rank hold AMPX as of Q2 2026.

  • Swiss National Bank held 247,500 shares of Amprius Technologies worth $3.43M as of Q2 2026.
  • Swiss National Bank bought 15,100 Amprius Technologies shares in Q2 2026, an estimated $271K.
  • Amprius Technologies made up ﹤0.01% of Swiss National Bank's portfolio in Q2 2026, its #1653 holding.
  • Swiss National Bank first reported a position in Amprius Technologies in Q3 2025 and has held it in 4 quarters since.
  • Swiss National Bank's Amprius Technologies position peaked at $3.92M in Q1 2026.
  • 261 funds tracked by Wall St. Rank held Amprius Technologies as of Q2 2026.

Based on Swiss National Bank's 13F filing for Q2 2026, filed 11 Aug 2026.