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John Overdeck’s Constellium CSTM Stock Holding History

John Overdeck’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
2022
Q1 		– Sell
-16,400
Closed -$294K – 3007
2021
Q4 		$294K Buy
+16,400
New +$301K ﹤0.01% 3657
2021
Q3 		– Sell
-11,300
Closed -$214K – 4311
2021
Q2 		$214K Buy
+11,300
New +$195K ﹤0.01% 3748

Other funds holding CSTM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
B
Bpifrance Maisons Alfort, Cedex, France $1.36B AUM 21.86% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
KPM
Kinetic Partners Management Miami, Florida $4.19B AUM 61.52% 1-Year Est. Return

John Overdeck's CSTM Position: Q2 2026 in Review

John Overdeck increased its Constellium (CSTM) stake by 26% in Q2 2026, buying an estimated $2.47M and bringing the position to 365,357 shares worth $11.6M. The position accounts for 0.01% of the portfolio, ranked #1406.

John Overdeck first reported a position in CSTM in Q4 2013 and has held it in 33 quarters since. The position peaked at $17.7M in Q1 2014. 386 funds tracked by Wall St. Rank hold CSTM as of Q2 2026.

  • John Overdeck held 365,357 shares of Constellium worth $11.6M as of Q2 2026.
  • John Overdeck bought 76,457 Constellium shares in Q2 2026, an estimated $2.47M.
  • Constellium made up 0.01% of John Overdeck's portfolio in Q2 2026, its #1406 holding.
  • John Overdeck first reported a position in Constellium in Q4 2013 and has held it in 33 quarters since.
  • John Overdeck's Constellium position peaked at $17.7M in Q1 2014.
  • 386 funds tracked by Wall St. Rank held Constellium as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.