Security record · archived quarter
CENX
Century Aluminum Company · Basic Materials · Aluminum
18Tracked holders
-2Δ holders
28.46MShares held
$835.48MReported value
+0New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -10.0% ·
share flow -4.0% ·
net new positions -11.1%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 110 | +6 | 53.54M | $2.46B | +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 | — | −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 | — | 5.53M | $92.60M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 10.13M | -0.3% | $297.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 5.85M | +1.3% | $171.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 5.85M | +1.3% | $171.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 5.85M | +1.3% | $171.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 5.85M | +1.3% | $171.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 5.85M | +1.3% | $171.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 4.22M | +15.1% | $123.84M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Citadel Advisors ✦ | 1.51M | -21.7% | $44.21M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 22 | Citadel Advisors ✦ | 1.51M | -21.7% | $44.21M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 1.43M | — | $42.05M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 1.43M | — | $42.05M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 1.43M | — | $42.05M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 1.43M | — | $42.05M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 1.43M | — | $42.05M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 1.43M | — | $42.05M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 1.43M | — | $42.05M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 1.43M | — | $42.05M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 1.32M | +1.4% | $38.73M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 32 | Geode Capital Management ✦ (passive) | 1.32M | +1.4% | $38.73M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 33 | Fisher Asset Management ✦ | 966.58K | -9.1% | $28.38M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 848.50K | — | $24.91M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Goldman Sachs Group ✦ | 550.10K | — | $16.15M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Goldman Sachs Group ✦ | 550.10K | — | $16.15M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Millennium Management ✦ | 442.67K | -13.6% | $13.00M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 47 | Renaissance Technologies ✦ | 365.10K | +134.6% | $10.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Adage Capital Partners ✦ | 295.00K | +1.7% | $8.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | D. E. Shaw & Co. ✦ | 201.59K | -25.0% | $5.92M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 50 | D. E. Shaw & Co. ✦ | 201.59K | -25.0% | $5.92M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 51 | Wellington Management ✦ | 194.09K | -80.2% | $5.70M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 52 | Wellington Management ✦ | 194.09K | -80.2% | $5.70M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 53 | Wellington Management ✦ | 194.09K | -80.2% | $5.70M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 54 | Wellington Management ✦ | 194.09K | -80.2% | $5.70M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 66.07K | +20.9% | $1.94M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 66.07K | +20.9% | $1.94M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 57 | AQR Capital Management ✦ | 66.07K | +20.9% | $1.94M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 58 | AQR Capital Management ✦ | 66.07K | +20.9% | $1.94M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 59 | T. Rowe Price ✦ | 49.51K | +6.5% | $1.45M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 60 | Gotham Asset Management ✦ | 22.59K | +35.7% | $663,125 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Fidelity (FMR) ✦ | 5.92K | +2.0% | $173,860 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Fidelity (FMR) ✦ | 5.92K | +2.0% | $173,860 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Marshall Wace | $9.40M | was 0.0% |
| Two Sigma Investments | $1.47M | 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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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