WhaleCreep

Which hedge funds own CENX? CENTURY ALUM CO, Q2 2026 13F holders

Basic MaterialsAluminum

61 tracked hedge funds disclosed a position in CENX (CENTURY ALUM CO) in their Q2 2026 13F filings, worth $660.1m in total. The largest holder by portfolio weight is Mountaineer Partners Management, LLC at 17.2% of its book. 16 opened a new position this quarter: MYDA Advisors LLC, Ares Systematic Credit Ltd, Dockside LLC, Weiss Asset Management LP. 17 exited: Bornite Capital Management LP, Scientech Research LLC, Oceanic Investment Management LTD.

61
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
16
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
17
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$49.9m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$76.7m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$660m
Combined value
Sum of the holders' reported positions in the security.
4.9%
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

61 rows
Mountaineer Partners Management, LLC Hedge fund17.2%$23.2m503,309−14%reduced
Sourcerock Group LLC Hedge fund5.4%$104m2.27m−16%reduced
Steamboat Capital Partners, LLC Hedge fund2.9%$13.6m296,666+7.4%added
Encompass Capital Advisors LLC Hedge fund1.8%$41.4m900,000−42%reduced
Marnell Management LLC Hedge fund1.7%$3.3m71,516+58%added
Drummond Knight Asset Management Pty Ltd Hedge fund1.4%$7.5m162,274−42%reduced
Kinetic Partners Management, LP Hedge fund0.9%$35.7m776,700+46%added
GeoSphere Capital Management, LLC Hedge fund0.8%$1.5m32,000−61%reduced
Merewether Investment Management, LP Hedge fund0.6%$31.9m693,537+35%added
Wexford Capital LP Hedge fund0.4%$3.1m67,900+21%added
Yaupon Capital Management LP Hedge fund0.3%$10.3m223,861+6.0%added
MYDA Advisors LLC Hedge fund0.3%$1.4m30,000–new
Ares Systematic Credit Ltd Hedge fund0.2%$380k8,254–new
Rokos Capital Management LLP Hedge fund0.2%$16.3m355,002−19%reduced
Cinctive Capital Management LP Hedge fund0.2%$4.9m107,201+123%added
FORA Capital, LLC Hedge fund0.2%$2.4m52,743+14%added
Dockside LLC Hedge fund0.1%$612k13,298–new
Weiss Asset Management LP Hedge fund0.1%$12.4m269,881–new
Atom Investors LP Hedge fund0.1%$1.5m32,581–new
Oxford Asset Management LLP Hedge fund0.1%$254k5,529+8.9%added
Boothbay Fund Management, LLC Hedge fund0.1%$6.1m133,461+61%added
Lighthouse Investment Partners, LLC Hedge fund0.1%$3.7m79,343+239%added
Edgestream Partners, L.P. Hedge fund0.1%$3.6m77,775−26%reduced
AlphaGrep UK Ltd Hedge fund0.1%$344k7,475–new
Bridgewater Associates, LP Hedge fund0.09%$21.8m473,928−35%reduced
Woodline Partners LP Hedge fund0.09%$28.8m626,772–new
Y-Intercept (Hong Kong) Ltd Hedge fund0.09%$4.4m96,141+6.4%added
Prelude Capital Management, LLC Hedge fund0.08%$1.1m24,524−38%reduced
Voloridge Investment Management, LLC Hedge fund0.08%$18.1m392,989−45%reduced
CenterBook Partners LP Hedge fund0.06%$1.3m28,356–new
Balyasny Asset Management L.P. Hedge fund0.06%$34.9m759,603+699%added
Squarepoint Ops LLC Hedge fund0.06%$31.3m679,205+66%added
111 Capital Hedge fund0.05%$296k6,442–new
Voleon Capital Management LP Hedge fund0.05%$2.6m56,016−14%reduced
Aquatic Capital Management LLC Hedge fund0.05%$1.3m29,204−49%reduced
Qube Research & Technologies Ltd Hedge fund0.04%$39.0m847,459+44%added
Landscape Capital Management, L.L.C. Hedge fund0.04%$547k11,885+54%added
SummitTX Capital, L.P. Hedge fund0.04%$1.3m29,189−49%reduced
Millennium Management LLC Hedge fund0.03%$51.4m1.12m−44%reduced
Alphadyne Asset Management LP Hedge fund0.03%$699k15,187−24%reduced
Corsair Capital Management, L.P. Hedge fund0.03%$230k5,000–new
Engineers Gate Manager LP Hedge fund0.03%$2.1m45,738−85%reduced
D. E. Shaw & Co., Inc. Hedge fund0.02%$36.6m795,738−44%reduced
Hudson Bay Capital Management LP Hedge fund0.02%$4.6m100,000+1239%added
Point72 Asset Management, L.P. Hedge fund0.02%$13.6m294,555−48%reduced
Campbell & CO Investment Adviser LLC Hedge fund0.02%$378k8,220–new
Brevan Howard Capital Management LP Hedge fund0.02%$1.4m30,005−0.5%reduced
Parallax Volatility Advisers, L.P. Hedge fund0.02%$461k10,024–new
Caxton Associates LLP Hedge fund0.02%$816k17,736−80%reduced
Mangrove Partners IM, LLC Hedge fund0.01%$217k4,712–new