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
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
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 $3.37T AUM 44.26% 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

Swiss National Bank's AMPX Position: Q1 2026 in Review

Swiss National Bank increased its Amprius Technologies (AMPX) stake by 4.7% in Q1 2026, buying an estimated $136K and bringing the position to 232,400 shares worth $3.92M. The position accounts for ﹤0.01% of the portfolio, ranked #1489.

Swiss National Bank first reported a position in AMPX in Q3 2025 and has held it in 3 quarters since. 245 funds tracked by Wall St. Rank hold AMPX as of Q1 2026.

  • Swiss National Bank held 232,400 shares of Amprius Technologies worth $3.92M as of Q1 2026.
  • Swiss National Bank bought 10,400 Amprius Technologies shares in Q1 2026, an estimated $136K.
  • Amprius Technologies made up ﹤0.01% of Swiss National Bank's portfolio in Q1 2026, its #1489 holding.
  • Swiss National Bank first reported a position in Amprius Technologies in Q3 2025 and has held it in 3 quarters since.
  • 245 funds tracked by Wall St. Rank held Amprius Technologies as of Q1 2026.

Based on Swiss National Bank's 13F filing for Q1 2026, filed 7 May 2026.