Century Aluminum CENX Institutional Ownership

Century Aluminum Co (NASDAQ:CENX) is held by 415 institutional investors per 13F filings through June 2026.

• These investors held 105.7% of outstanding shares in June 2026, up from 101.8% in March 2026.
• They increased total shares held in CENX by 6.51% quarter over quarter, and investors in Century Aluminum increased 86.94% from a year ago.
• Of these 415 holders, 264 added to their stakes in Century Aluminum, 110 trimmed positions, and 41 made no changes.
• Altogether, these fund groups held 104.63Mn shares in CENX by June 2026, up by 6.39Mn shares quarter on quarter, and up 11.78Mn shares year over year.
• Glencore plc leads ownership in CENX with 29.69Mn shares as of June 30, 2026, equal to 29.99% of outstanding shares.
• The most significant purchases of CENX for the quarter ending June 2026 came from BlackRock, Inc. (1.29Mn), State Street Corp (875.18K), Fisher Asset Management, LLC (683.1K), Goldman Sachs Group Inc (670.13K), BALYASNY ASSET MANAGEMENT L.P. (664.54K).
• Top sellers of CENX stock for the quarter ending June 2026 included JANE STREET GROUP, LLC (1.24Mn), CITADEL ADVISORS LLC (1.03Mn), MILLENNIUM MANAGEMENT LLC (871.41K), FMR LLC (699.7K), Encompass Capital Advisors LLC (651.36K).
• Century Aluminum's 10 largest shareholders as of June 2026 include Glencore plc (29.69Mn), BlackRock, Inc. (10.3Mn), State Street Corp (5.54Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.77Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.97Mn), Invesco Ltd. (2.42Mn), Sourcerock Group LLC (2.27Mn), DIMENSIONAL FUND ADVISORS LP (2.21Mn), FMR LLC (1.96Mn), GEODE CAPITAL MANAGEMENT, LLC (1.85Mn) per Business Quant data.