Millennium Management
CSTM icon

Millennium Management’s Constellium CSTM Stock Holding History

Millennium Management’s Portfolio CSTM Stock Details CSTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q2 		– Sell
-50,000
Closed -$735K – 6597
2021
Q1 		$735K Hold
50,000
– – ﹤0.01% 4490
2020
Q4 		$700K Buy
+50,000
New +$565K ﹤0.01% 3960
2015
Q1 		– Sell
-50,200
Closed -$825K – 3660
2014
Q4 		$825K Buy
+50,200
New +$935K ﹤0.01% 2633
2014
Q2 		– Sell
-13,000
Closed -$382K – 3473
2014
Q1 		$382K Buy
+13,000
New +$340K ﹤0.01% 2790

Other funds holding CSTM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
B
Bpifrance Maisons Alfort, Cedex, France $1.65B AUM 19.85% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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.