Cooper Creek Partners Management’s Constellium CSTM Stock Holding History

Cooper Creek Partners 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
2026 Q1	$18.8M	Sell	764,205 -235,004	-24%	-$5.59M	0.64%	54
2025 Q4	$18.8M	Sell	999,209 -667,312	-40%	-$11.1M	0.85%	43
2025 Q3	$24.8M	Hold	1,666,521	–	–	0.76%	43
2025 Q2	$22.2M	Buy	1,666,521 +1,182,966	+245%	+$13.3M	0.69%	52
2025 Q1	$4.88M	Hold	483,555	–	–	0.15%	73
2024 Q4	$4.97M	Buy	+483,555	New	+$5.95M	0.15%	76
2021 Q4	–	Sell	-70,337	Closed	-$1.32M	–	121
2021 Q3	$1.32M	Buy	+70,337	New	+$1.35M	0.18%	93
2021 Q1	–	Sell	-319,345	Closed	-$4.47M	–	96
2020 Q4	$4.47M	Hold	319,345	–	–	1.12%	38
2020 Q3	$2.51M	Hold	319,345	–	–	0.63%	60
2020 Q2	$2.45M	Hold	319,345	–	–	0.63%	59
2020 Q1	$1.66M	Hold	319,345	–	–	0.53%	76
2019 Q4	$4.28M	Hold	319,345	–	–	1.21%	29
2019 Q3	$4.06M	Sell	319,345 -135,535	-30%	-$1.6M	1.42%	23
2019 Q2	$4.57M	Buy	+454,880	New	+$4.21M	1.75%	20

Other funds holding CSTM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Bpifrance Maisons Alfort, Cedex, France $1.65B AUM 19.85% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Cooper Creek Partners Management's CSTM Position: Q1 2026 in Review

Cooper Creek Partners Management reduced its Constellium (CSTM) stake by 24% in Q1 2026, selling an estimated $5.59M and leaving 764,205 shares worth $18.8M. The position accounts for 0.64% of the portfolio, ranked #54.

Cooper Creek Partners Management first reported a position in CSTM in Q2 2019 and has held it in 14 quarters since. The position peaked at $24.8M in Q3 2025. 313 funds tracked by Wall St. Rank hold CSTM as of Q1 2026.

Cooper Creek Partners Management held 764,205 shares of Constellium worth $18.8M as of Q1 2026.
Cooper Creek Partners Management sold 235,004 Constellium shares in Q1 2026, an estimated $5.59M.
Constellium made up 0.64% of Cooper Creek Partners Management's portfolio in Q1 2026, its #54 holding.
Cooper Creek Partners Management first reported a position in Constellium in Q2 2019 and has held it in 14 quarters since.
Cooper Creek Partners Management's Constellium position peaked at $24.8M in Q3 2025.
313 funds tracked by Wall St. Rank held Constellium as of Q1 2026.

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