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Which hedge funds own CSTM? CONSTELLIUM SE, Q2 2026 13F holders

Basic MaterialsAluminum

60 tracked hedge funds disclosed a position in CSTM (CONSTELLIUM SE) in their Q2 2026 13F filings, worth $952.5m in total. The largest holder by portfolio weight is Brightline Capital Management, LLC at 13.3% of its book. 10 opened a new position this quarter: Senator Investment Group LP, Semanteon Capital Management, LP, Ares Systematic Credit Ltd, Diametric Capital, LP. 5 exited: Twinbeech Capital LP, Oxford Asset Management LLP, Lighthouse Investment Partners, LLC.

60
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
10
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
5
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$41.7m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$4.8m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$952m
Combined value
Sum of the holders' reported positions in the security.
4.8%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

60 rows
Brightline Capital Management, LLC Hedge fund13.3%$61.3m1.92m+4.1%added
Mountaineer Partners Management, LLC Hedge fund11.4%$15.4m482,130−27%reduced
Beaconlight Capital, LLC Hedge fund10.9%$24.9m779,899−33%reduced
Bayberry Capital Partners LP Hedge fund7.2%$20.9m655,000−25%reduced
Soapstone Management L.P. Hedge fund4.6%$6.4m200,000−75%reduced
Encompass Capital Advisors LLC Hedge fund3.3%$77.2m2.42m−2.3%reduced
Ionic Capital Management LLC Hedge fund3.3%$3.5m109,822−38%reduced
Kinetic Partners Management, LP Hedge fund1.9%$81.0m2.54m+94%added
Scopus Asset Management, L.P. Hedge fund1.3%$55.2m1.73m+3.0%added
Senator Investment Group LP Hedge fund1.3%$34.5m1.08m–new
Semanteon Capital Management, LP Hedge fund1.0%$233k7,299–new
Occudo Quantitative Strategies LP Hedge fund0.7%$13.3m416,403+105%added
Cooper Creek Partners Management LLC Hedge fund0.6%$14.1m441,835−42%reduced
ArrowMark Colorado Holdings LLC Hedge fund0.4%$8.8m277,217−44%reduced
Hillsdale Investment Management Inc. Hedge fund0.3%$11.1m347,600+9.8%added
Ares Systematic Credit Ltd Hedge fund0.2%$280k8,782–new
Numerai GP LLC Hedge fund0.2%$2.1m64,729−35%reduced
Gsa Capital Partners LLP Hedge fund0.1%$2.2m69,779−53%reduced
Moore Capital Management, LP Hedge fund0.1%$5.1m159,438+56%added
Aquatic Capital Management LLC Hedge fund0.10%$2.8m88,996+21%added
Prelude Capital Management, LLC Hedge fund0.09%$1.3m40,426−15%reduced
Trexquant Investment LP Hedge fund0.09%$14.9m466,821−3.4%reduced
Diametric Capital, LP Hedge fund0.09%$818k25,681–new
Voleon Capital Management LP Hedge fund0.08%$4.6m145,101−39%reduced
Engineers Gate Manager LP Hedge fund0.08%$6.3m197,697−78%reduced
SummitTX Capital, L.P. Hedge fund0.08%$3.1m95,846−71%reduced
111 Capital Hedge fund0.07%$417k13,088–new
Whitebox Advisors LLC Hedge fund0.05%$3.0m95,672−72%reduced
Mangrove Partners IM, LLC Hedge fund0.04%$666k20,907+73%added
D. E. Shaw & Co., Inc. Hedge fund0.04%$70.1m2.20m−32%reduced
Millennium Management LLC Hedge fund0.04%$62.3m1.96m−44%reduced
Schonfeld Strategic Advisors LLC Hedge fund0.04%$7.8m244,069+87%added
Bridgewater Associates, LP Hedge fund0.04%$9.9m311,558−38%reduced
Arrowstreet Capital, Limited Partnership Hedge fund0.04%$90.7m2.84m−12%reduced
Point72 Asset Management, L.P. Hedge fund0.04%$26.2m821,701−18%reduced
Capital Fund Management S.A. Hedge fund0.04%$5.5m172,721+140%added
Concentric Capital Strategies, LP Hedge fund0.04%$616k19,341–new
Balyasny Asset Management L.P. Hedge fund0.04%$20.4m641,403−19%reduced
Edgestream Partners, L.P. Hedge fund0.04%$1.2m37,671−83%reduced
CenterBook Partners LP Hedge fund0.03%$693k21,756+81%added
Mirabella Financial Services LLP Hedge fund0.03%$353k11,069−91%reduced
Marshall Wace, LLP Hedge fund0.03%$34.9m1.09m+7840%added
Graham Capital Management, L.P. Hedge fund0.03%$1.1m33,310+1.7%added
Hudson Bay Capital Management LP Hedge fund0.03%$5.9m185,572−54%reduced
ExodusPoint Capital Management, LP Hedge fund0.03%$2.9m90,921+5.9%added
AQR Capital Management LLC Hedge fund0.03%$76.6m2.40m+16%added
Y-Intercept (Hong Kong) Ltd Hedge fund0.03%$1.3m40,687−75%reduced
Qube Research & Technologies Ltd Hedge fund0.02%$19.8m622,121+32%added
BTG Pactual Asset Management US LLC Hedge fund0.02%$291k9,124–new
Tudor Investment Corp ET AL Hedge fund0.02%$3.7m116,725–new