CENX
Century Aluminum Company · Basic Materials · Aluminum
Momentum inputs (comparable managers):
holder breadth +6.2% ·
share flow +6.4% ·
net new positions +5.9%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | -1 | 1.09M | $39.34M | n/a | −1 |
| Q2 2026 | 110 | +7 | 53.58M | $2.47B | +13 | −8 |
| Q1 2026 | 108 | +3 | 48.84M | $2.86B | +8 | −5 |
| Q4 2025 | 104 | +2 | 46.68M | $1.83B | +3 | −1 |
| Q3 2025 | 18 | -2 | 28.46M | $835.48M | n/a | −2 |
| Q2 2025 | 17 | +1 | 26.82M | $483.25M | +3 | −2 |
| Q1 2025 | 13 | -2 | 9.28M | $172.16M | +1 | −3 |
| Q4 2024 | 15 | -1 | 9.15M | $166.76M | +1 | −2 |
| Q3 2024 | 15 | +1 | 4.94M | $80.16M | +2 | −1 |
| Q2 2024 | 14 | n/a | 5.53M | $92.60M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 10.16M | n/a | $183.07M | 0.0% | n/c | 1 | SEC ↗ ×14 |
| 2 | The Vanguard Group ✦ (passive) | 5.77M | n/a | $103.97M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 3.67M | +13.2% | $66.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 1.92M | -3.2% | $34.65M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 5 | Geode Capital Management ✦ (passive) | 1.30M | +0.5% | $23.44M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 6 | Fisher Asset Management ✦ | 1.06M | -19.6% | $19.17M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | Wellington Management ✦ | 981.60K | +41.5% | $17.69M | 0.0% | ▲ Add | 5 | SEC ↗ ×4 |
| 8 | Marshall Wace ✦ | 521.61K | New | $9.40M | 0.0% | New | 1 | SEC ↗ ×2 |
| 9 | Millennium Management ✦ | 512.52K | +1416.3% | $9.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | Adage Capital Partners ✦ | 290.00K | +13.7% | $5.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 268.67K | +846.7% | $4.84M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 12 | Renaissance Technologies ✦ | 155.60K | New | $2.80M | 0.0% | New | 1 | SEC ↗ |
| 13 | Two Sigma Investments ✦ | 81.78K | -57.5% | $1.47M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 54.67K | +40.2% | $985,099 | 0.0% | ▲ Add | 5 | SEC ↗ ×4 |
| 15 | T. Rowe Price ✦ | 46.51K | +4.4% | $839,000 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | Gotham Asset Management ✦ | 16.65K | New | $299,979 | 0.0% | New | 1 | SEC ↗ |
| 17 | Fidelity (FMR) ✦ | 5.80K | n/a | $104,595 | 0.0% | n/c | 1 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $9.40M | 0.0% |
| Renaissance Technologies | $2.80M | 0.0% |
| Gotham Asset Management | $299,979 | 0.0% |
Exited
| Bridgewater Associates | $1.36M | was 0.0% |
| Norges Bank | $1.32M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 378 holders, 99.93M shares, $5.79B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.