Portolan Capital Management, LLC's ownership history for CENX
Portolan Capital Management, LLC currently holds 95.0K shares with a market value of $5.6M. It started holding CENX on 2026-03-31. At its peak, it held 95.0K shares on 2026-03-31. Its highest holding value was $5.6M on 2026-03-31. At its lowest, it held 95.0K shares on 2026-03-31, with a value of $5.6M on 2026-03-31.
Portolan Capital Management, LLC's ownership history for CENX