# CENTURY ALUM CO (CENX)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/CENX/

- Reporting holders: 10
- Reported value: $18.5M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [CONGRESS ASSET MANAGEMENT CO](https://holderbook.com/funds/897378-congress-asset-management-co/) | $11.2M | 310,877 | 0.1% | 19 |
| [Insight Wealth Strategies, LLC](https://holderbook.com/funds/1749914-insight-wealth-strategies-llc/) | $6.7M | 185,329 | 0.7% | 4 |
| [Everhart Financial Group, Inc.](https://holderbook.com/funds/1852858-everhart-financial-group-inc/) | $209.8K | 5,832 | 0.0% | 4 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $186.3K | 5,178 | 0.0% | 12 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $155.5K | 4,322 | 0.0% | 12 |
| [CoreCap Advisors, LLC](https://holderbook.com/funds/1902501-corecap-advisors-llc/) | $85.0K | 2,362 | 0.0% | 8 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $18.3K | 508 | 0.0% | 32 |
| [Grove Bank & Trust](https://holderbook.com/funds/1662212-grove-bank-trust/) | $16.4K | 457 | 0.0% | 5 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $2.3K | 65 | 0.0% | 16 |
| [GILPIN WEALTH MANAGEMENT, LLC](https://holderbook.com/funds/2058144-gilpin-wealth-management-llc/) | $216 | 6 | 0.0% | 4 |
| [CX Institutional](https://holderbook.com/funds/1737089-cx-institutional/) | $2 | 62 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 10 | $18.5M |
| Q2 2026 | 422 | $5.4B |
| Q1 2026 | 390 | $6.1B |
| Q4 2025 | 330 | $4.2B |
| Q3 2025 | 264 | $3.1B |
| Q2 2025 | 232 | $1.8B |
| Q1 2025 | 225 | $1.8B |
| Q4 2024 | 229 | $1.8B |
| Q3 2024 | 204 | $964.7M |
| Q2 2024 | 197 | $1.0B |
| Q1 2024 | 186 | $910.5M |
| Q4 2023 | 173 | $754.0M |