Jim Simons’s Amrize Ltd AMRZ Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$110M Buy
1,956,600
+183,900
+10% +$10.5M 0.17% 133
2025
Q4
$95.9M Buy
1,772,700
+557,400
+46% +$28.4M 0.15% 153
2025
Q3
$59M Buy
+1,215,300
New +$62M 0.08% 295

Other funds holding AMRZ

Jim Simons's AMRZ Position: Q1 2026 in Review

Jim Simons increased its Amrize Ltd (AMRZ) stake by 10% in Q1 2026, buying an estimated $10.5M and bringing the position to 1,956,600 shares worth $110M. The position accounts for 0.17% of the portfolio, ranked #133.

Jim Simons first reported a position in AMRZ in Q3 2025 and has held it in 3 quarters since. 447 funds tracked by Wall St. Rank hold AMRZ as of Q1 2026.

  • Jim Simons held 1,956,600 shares of Amrize Ltd worth $110M as of Q1 2026.
  • Jim Simons bought 183,900 Amrize Ltd shares in Q1 2026, an estimated $10.5M.
  • Amrize Ltd made up 0.17% of Jim Simons's portfolio in Q1 2026, its #133 holding.
  • Jim Simons first reported a position in Amrize Ltd in Q3 2025 and has held it in 3 quarters since.
  • 447 funds tracked by Wall St. Rank held Amrize Ltd as of Q1 2026.

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