Millennium Management’s Constellium CSTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2015
Q1
Sell
-50,500
Closed -$830K 3661
2014
Q4
$830K Buy
+50,500
New +$940K ﹤0.01% 2625
2014
Q3
Sell
-7,100
Closed -$228K 3740
2014
Q2
$228K Sell
7,100
-4,200
-37% -$126K ﹤0.01% 3043
2014
Q1
$332K Buy
+11,300
New +$296K ﹤0.01% 2878

Other funds holding CSTM

Millennium Management's CSTM Position: Q1 2026 in Review

Millennium Management reduced its Constellium (CSTM) stake by 45% in Q1 2026, selling an estimated $66.6M and leaving 3,470,091 shares worth $85.3M. The position accounts for 0.04% of the portfolio, ranked #524.

Millennium Management first reported a position in CSTM in Q2 2013 and has held it in 51 quarters since. The position peaked at $118M in Q4 2025. 313 funds tracked by Wall St. Rank hold CSTM as of Q1 2026.

  • Millennium Management held 3,470,091 shares of Constellium worth $85.3M as of Q1 2026.
  • Millennium Management sold 2,799,778 Constellium shares in Q1 2026, an estimated $66.6M.
  • Constellium made up 0.04% of Millennium Management's portfolio in Q1 2026, its #524 holding.
  • Millennium Management first reported a position in Constellium in Q2 2013 and has held it in 51 quarters since.
  • Millennium Management's Constellium position peaked at $118M in Q4 2025.
  • 313 funds tracked by Wall St. Rank held Constellium as of Q1 2026.

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