Millennium Management’s Ioneer IONR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$140K Buy
32,802
+12,868
+65% +$57.5K ﹤0.01% 5278
2025
Q4
$95.7K Buy
+19,934
New +$97.8K ﹤0.01% 5638

Other funds holding IONR

Millennium Management's IONR Position: Q1 2026 in Review

Millennium Management increased its Ioneer (IONR) stake by 65% in Q1 2026, buying an estimated $57.5K and bringing the position to 32,802 shares worth $140K. The position accounts for ﹤0.01% of the portfolio, ranked #5278.

Millennium Management first reported a position in IONR in Q4 2025 and has held it in 2 quarters since. 22 funds tracked by Wall St. Rank hold IONR as of Q1 2026.

  • Millennium Management held 32,802 shares of Ioneer worth $140K as of Q1 2026.
  • Millennium Management bought 12,868 Ioneer shares in Q1 2026, an estimated $57.5K.
  • Ioneer made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #5278 holding.
  • Millennium Management first reported a position in Ioneer in Q4 2025 and has held it in 2 quarters since.
  • 22 funds tracked by Wall St. Rank held Ioneer as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.