Who owns CENTURY ALUMINUM CO?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CENX from SEC Form 13F filings across 414 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 414 institutions disclosed 104.1M shares of CENTURY ALUMINUM CO worth $4.95B — about 105.1% of shares outstanding; the largest disclosed holder is Glencore plc. Source: SEC Form 13F filings, parsed by EvidInvest.
414
13F holders
$4.95B
value, 2026 filers
105.1%
of shares outstanding (104.1M sh)
95
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CENX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Glencore plc | 29.7M | $1.37B | 28.1% | 30% | 0.0% |
| 2 | BlackRock, Inc. | 10.3M | $474.1M | 0.0% | 10.4% | +14.4% |
| 3 | STATE STREET CORP | 5.5M | $255.0M | 0.0% | 5.6% | +18.8% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.8M | $219.6M | 0.0% | 4.8% | +12.5% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 3.0M | $136.8M | 0.0% | 3% | +14.9% |
| 6 | Invesco Ltd. | 2.4M | $111.2M | 0.0% | 2.4% | +16.4% |
| 7 | Sourcerock Group LLC | 2.3M | $104.3M | 5.4% | 2.3% | -15.7% |
| 8 | DIMENSIONAL FUND ADVISORS LP | 2.2M | $101.8M | 0.0% | 2.2% | +0.9% |
| 9 | FMR LLC | 2.0M | $90.2M | 0.0% | 2% | -26.3% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $85.0M | 0.0% | 1.9% | +19.9% |
| 11 | Fisher Asset Management, LLC | 1.5M | $70.6M | 0.0% | 1.5% | +80.2% |
| 12 | Assenagon Asset Management S.A. | 1.5M | $70.4M | 0.1% | 1.5% | -16.3% |
| 13 | MORGAN STANLEY | 1.5M | $69.5M | 0.0% | 1.5% | -4.7% |
| 14 | MILLENNIUM MANAGEMENT LLC | 1.1M | $51.4M | 0.0% | 1.1% | -43.8% |
| 15 | GOLDMAN SACHS GROUP INC | 1.0M | $48.3M | 0.0% | 1.1% | +176.7% |
| 16 | Impala Asset Management LLC | 1.0M | $47.6M | 27.0% | 1% | +6.2% |
| 17 | Encompass Capital Advisors LLC | 900,000 | $41.4M | 1.5% | 0.9% | -42.0% |
| 18 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 870,850 | $40.1M | 0.0% | 0.9% | +8.8% |
| 19 | UBS Group AG | 866,821 | $39.9M | 0.0% | 0.9% | +47.7% |
| 20 | Boston Partners | 854,095 | $39.3M | 0.0% | 0.9% | +175.6% |
| 21 | Qube Research & Technologies Ltd | 847,459 | $39.0M | 0.0% | 0.9% | +43.7% |
| 22 | Allspring Global Investments Holdings, LLC | 827,031 | $35.6M | 0.1% | 0.8% | +47.2% |
| 23 | D. E. Shaw & Co., Inc. | 795,738 | $36.6M | 0.0% | 0.8% | -44.5% |
| 24 | Kinetic Partners Management, LP | 776,700 | $35.7M | 0.9% | 0.8% | +46.1% |
| 25 | Balyasny Asset Management L.P. | 759,603 | $34.9M | 0.0% | 0.8% | +699.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.