CENTURY ALUMINUM COMPANY (CENX) Institutional Ownership Changes & 13F Activity
CENTURY ALUMINUM COMPANY (CENX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Fmr Llc, Encompass Capital Advisors Llc, Sourcerock Group Llc, American Century Companies Inc, and Mirae Asset Global Etfs Holdings Ltd..
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Neuberger Berman Group Llc | Buy | +60,345 | +471.2% | 73,151 | $4.29M | Q1 2026 | Oct 27, 2026 |
| Op Asset Management Ltd | Buy | +17,683 | — | 17,683 | $1.04M | Q1 2026 | Sep 28, 2026 |
| Algert Global Llc | Sell | -11,554 | -23.3% | 38,039 | $2.23M | Q1 2026 | Aug 11, 2026 |
| Wealth High Governance Asset Management Ltda. | Buy | +106,909 | +70.1% | 259,475 | $15.23M | Q1 2026 | Jul 09, 2026 |
| Wells Fargo & Company/Mn | Sell | -54,753 | -26.5% | 151,938 | $8.92M | Q1 2026 | Jul 08, 2026 |
| Wealth High Governance Capital Ltda | Buy | +43,091 | +44.2% | 140,525 | $8.25M | Q1 2026 | Jun 18, 2026 |
| Pvg Asset Management Corp | Buy | +33,098 | — | 33,098 | $1.81M | Q1 2026 | Jun 16, 2026 |
| Bank Of America Corp | Buy | +301,268 | +98.0% | 608,794 | $35.73M | Q1 2026 | May 18, 2026 |
| South Dakota Investment Council | Sell | -286,874 | -90.4% | 30,487 | $1.79M | Q1 2026 | May 18, 2026 |
| Edgestream Partners, L.P. | Sell | -51,685 | -32.8% | 105,739 | $6.21M | Q1 2026 | May 18, 2026 |
| California State Teachers Retirement System | Buy | +12,719 | +24.8% | 63,944 | $3.75M | Q1 2026 | May 18, 2026 |
| Fmr Llc | Buy | +2,651,348 | +30454.3% | 2,660,054 | $156.12M | Q1 2026 | May 15, 2026 |
| Encompass Capital Advisors Llc | Buy | +1,051,525 | +210.4% | 1,551,362 | $91.05M | Q1 2026 | May 15, 2026 |
| Sourcerock Group Llc | Sell | -934,735 | -25.8% | 2,687,249 | $157.71M | Q1 2026 | May 15, 2026 |
| American Century Companies Inc | Sell | -742,207 | -76.2% | 232,034 | $13.62M | Q1 2026 | May 15, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Sell | -693,692 | -46.4% | 800,131 | $46.95M | Q1 2026 | May 15, 2026 |
| Citadel Advisors Llc | Buy | +623,650 | +89.4% | 1,320,867 | $77.52M | Q1 2026 | May 15, 2026 |
| Millennium Management Llc | Buy | +569,593 | +40.2% | 1,987,625 | $116.65M | Q1 2026 | May 15, 2026 |
| Kinetic Partners Management, Lp | Buy | +531,700 | — | 531,700 | $31.21M | Q1 2026 | May 15, 2026 |
| Merewether Investment Management, Lp | Buy | +514,800 | — | 514,800 | $30.21M | Q1 2026 | May 15, 2026 |
| Bridgewater Associates, Lp | Buy | +460,719 | +169.5% | 732,517 | $42.99M | Q1 2026 | May 15, 2026 |
| Rokos Capital Management Llp | Buy | +436,688 | — | 436,688 | $25.64M | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | Buy | +397,043 | +230.3% | 569,451 | $33.42M | Q1 2026 | May 15, 2026 |
| Squarepoint Ops Llc | Buy | +372,874 | +1001.8% | 410,093 | $24.07M | Q1 2026 | May 15, 2026 |
| State Street Corp | Buy | +371,829 | +8.7% | 4,667,540 | $273.94M | Q1 2026 | May 15, 2026 |
| Burkehill Global Management, Lp | Sell | -350,000 | -70.0% | 150,000 | $8.80M | Q1 2026 | May 15, 2026 |
| Bornite Capital Management Lp | Buy | +292,000 | +116.8% | 542,000 | $31.81M | Q1 2026 | May 15, 2026 |
| Goldman Sachs Group Inc | Sell | -286,554 | -43.0% | 379,148 | $22.25M | Q1 2026 | May 15, 2026 |
| Engineers Gate Manager Lp | Buy | +247,985 | +500.7% | 297,509 | $17.46M | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +242,432 | +20.4% | 1,433,369 | $84.12M | Q1 2026 | May 15, 2026 |
Frequently asked questions about CENX activity
Which institutional owners are buying CENX?
Institutional owners buying CENX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in CENX activity?
"Buy" means an investor increased their reported position in CENX compared to the prior reporting period. This reflects growing exposure to CENTURY ALUMINUM COMPANY (CENX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in CENX increasing?
Institutional interest in CENX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related CENX Institutional Insights
- CENX Overview
- CENX 13F Institutional Holders
- CENX Superinvestors
- Basic Materials Sector Institutional Ownership
- Basic Materials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Basic Materials Stocks By Institutional Investors
- Most Sold Basic Materials Stocks By Institutional Investors
- CENX Insider Trading & SEC Form 4 Activity
- CENX Articles
- Top Institutional Investor Stock Rankings