Century Aluminum Ownership | Who Owns Century Aluminum?
Century Aluminum Ownership Summary
Century Aluminum is owned by 102.41% institutional investors, 43.95% insiders. Glencore is the largest institutional shareholder, holding 43.14% of CENX shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 3.33% of its assets in Century Aluminum shares.
CENX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Century Aluminum | 102.41% | 43.95% | -46.37% |
| Sector | Basic Materials Stocks | 52.55% | 12.25% | 35.20% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Glencore | 40.03M | 43.14% | $729.43M |
| Blackrock funding, inc. /de | 10.16M | 10.89% | $183.07M |
| Blackrock | 9.80M | 10.57% | $164.13M |
| Vanguard group | 5.85M | 6.30% | $106.60M |
| State street | 3.34M | 3.60% | $60.80M |
| Dimensional fund advisors lp | 2.94M | 3.17% | $53.53M |
| Mirae asset global etfs | 2.07M | 2.23% | $37.67M |
| Invesco | 1.91M | 2.06% | $34.79M |
| Wexford capital lp | 1.48M | 1.58% | $26.63M |
| Geode capital management | 1.28M | 1.38% | $23.31M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Glencore | 40.03M | 87.29% | $729.43M |
| Impala asset management | 697.48K | 10.28% | $12.71M |
| Mountaineer partners management | 647.85K | 8.64% | $11.80M |
| Wexford capital lp | 1.48M | 7.43% | $26.63M |
| Soviero asset management, lp | 190.00K | 2.07% | $3.42M |
| New century financial group | 33.62K | 1.75% | $987.17K |
| Thomist capital management, lp | 221.75K | 1.49% | $4.00M |
| Icon advisers inc/co | 325.20K | 1.34% | $5.86M |
| Aldebaran capital | 61.19K | 1.09% | $1.10M |
| Hartree partners, lp | 195.23K | 0.99% | $3.52M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Glencore | 40.03M | 87.29% | 40.03M |
| Marshall wace, llp | 521.61K | 0.01% | 521.61K |
| Voloridge investment management | 541.55K | 0.04% | 408.06K |
| Millennium management | 457.73K | 0.00% | 362.59K |
| Ubs group | 491.08K | 0.00% | 333.90K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Castle hook partners lp | - | - | -1.51M |
| Mirae asset global investments | - | - | -1.18M |
| Mountaineer partners management | 647.85K | 8.64% | -759.99K |
| Jpmorgan chase | 217.04K | 0.00% | -741.99K |
| Pertento partners llp | - | - | -733.88K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Glencore | 40.03M | 87.29% | 40.03M | $729.43M |
| Icon advisers inc/co | 325.20K | 1.34% | 325.20K | $5.86M |
| Csm advisors | 261.95K | 0.14% | 261.95K | $4.72M |
| Soviero asset management, lp | 190.00K | 2.07% | 190.00K | $3.42M |
| Antipodes partners | 153.13K | 0.09% | 153.13K | $2.76M |
Sold Out
| Holder | Change |
|---|---|
| Ifp advisors | -3.00 |
| Mendota financial group | -7.00 |
| Stephens consulting | -20.00 |
| C m bidwell & associates | -25.00 |
| Innealta capital | -26.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 241 | 4.33% | 95,551,797 | 3.33% | 102 | 1.04% | 134 | 9.84% | 71 | -5.33% |
| Mar 31, 2025 | 230 | -6.12% | 92,448,227 | 0.02% | 99 | 1.00% | 120 | -5.51% | 76 | 11.76% |
| Dec 31, 2024 | 145 | -33.18% | 33,081,463 | -39.77% | 35 | 1.02% | 72 | -32.08% | 40 | -43.66% |
| Sep 30, 2024 | 216 | 3.35% | 54,923,585 | -0.44% | 59 | 1.67% | 104 | 1.96% | 71 | 7.58% |
| Jun 30, 2024 | 206 | 6.19% | 55,147,397 | 1.50% | 59 | 1.73% | 100 | 20.48% | 66 | -14.29% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.11M | 3.33% | - |
| SPDR® S&P Metals and Mining ETF | 1.65M | 1.77% | -5.92K |
| Vanguard Total Stock Mkt Idx Inv | 1.64M | 1.75% | -36.26K |
| Vanguard US Total Market Shares ETF | 1.59M | 1.72% | - |
| Global X US Infrastructure Dev ETF | 1.34M | 1.44% | 737.00 |
| iShares Russell 2000 ETF | 1.27M | 1.36% | - |
| Vanguard Small Cap Index | 1.25M | 1.33% | -7.64K |
| iShares US Infrastructure ETF | 818.96K | 0.88% | - |
| Vanguard Small Cap Growth Index Inv | 698.56K | 0.75% | -9.57K |
| Vanguard Institutional Extnd Mkt Idx Tr | 560.84K | 0.60% | -246.33K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 26, 2025 | Hafberg Agust F | SVP & Chief Commercial Officer | Sell | $264.95K |
| Sep 19, 2025 | Calloway Kenneth L | SVP, Human Resources | Sell | $452.38K |
| Aug 12, 2025 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | $279.87K |
| Mar 20, 2025 | Hoffman Robert F | SVP, IT and CAO | Sell | $101.20K |
| Mar 14, 2025 | Hoffman Robert F | SVP, IT and CAO | Sell | $49.98K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | - |
| 2025 Q1 | - | 2 |
| 2024 Q4 | - | 3 |
| 2024 Q3 | - | - |
CENX Ownership FAQ
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