CENTURY ALUMINUM CO(CENX)Stock Analysis
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Rank #493 of 2,879 stocksTOP 25%
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.
Revenue Growth
Profitability
Balance Sheet
Earnings Quality
Free Cash Flow
Institutional Flow
Revenue Scale
Dilution Risk
CENX Stock Analysis & AI Quality Score
AI stock analysis and institutional research for CENTURY ALUMINUM CO (CENX), a Materials sector company. 13F Pro's AI-powered ranking engine scores CENX at 67.0/100 on a 32-signal composite quality model, placing it at rank #493 of 2,879 stocks — the top 25% of the AI-ranked universe. CENX scores in the top quartile across balance sheet strength (94.6), earnings quality (83.5), profitability (83.2). Areas of concern include free cash flow (34.9), which score below median versus the broader universe. Shareholder dilution risk is elevated at 42.4/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), CENTURY ALUMINUM CO reports quarterly revenue of $649.2M, net income of $337.5M, free cash flow of $-6.4M. Top institutional holders of CENX by reported 13-F value include Glencore plc, BlackRock,, STATE STREET, based on the most recent SEC filings. CENX trades on the Nasdaq exchange and files with the SEC under CIK 949157. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate CENX daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for CENTURY ALUMINUM CO directly from SEC EDGAR. CENTURY ALUMINUM CO's 13F Pro composite quality score has ranged between 27 and 67 since 2021, currently 67.0 — an improving long-term trajectory across 30 quarterly and live scoring snapshots.
What's Driving CENX's Business? Latest 10-Q Breakdown
AI-extracted from CENTURY ALUMINUM CO's 10-Q filed 2026-05-07 — Q1 FY2026 (quarter ended March 31, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.
Century Aluminum earned $337.5M net income on $649.2M revenue in Q1 2026, boosted by $287.9M gain from Hawesville sale and $33.0M insurance recovery, offset by $65.3M loss on derivatives from surging aluminum prices.
Biggest Revenue Drivers
Total revenue: $649.2M+2% YoY
Higher LME and Midwest premium pricing; partially offset by lower volume from Grundartangi equipment failure.
Largest Expense Items
Partially offset by IRA Section 45X tax credit of $25.0M and inventory adjustments of $3.3M.
Increased share-based compensation due to higher share price, professional services, and annual incentive compensation.
Margins: Gross margin improved 106% YoY to $118.8M, driven by $193.7M favorable metal price realization, largely offset by $41.1M unfavorable raw material costs, $47.2M volume decline from Grundartangi outage, and $39.5M higher power costs from extreme winter weather.
Watch Items from the Filing
- Glencore concentration: 47.1% of Q1 2026 net sales; 30.0% shareholder ownership as of March 31, 2026.
- Grundartangi equipment failure in October 2025 temporarily reduced output by two-thirds; production restart expected by end of July 2026 with $37.0M insurance recoveries received and $46.1M additional recovery in April 2026.
- Derivative liabilities of $104.0M as of March 31, 2026 (vs. $58.2M prior year) due to surging aluminum prices; unrealized loss on derivatives increased by $48.0M in Q1.
- Material weakness in internal controls over financial reporting at Jamalco joint venture consolidation remains unremedialed as of March 31, 2026; remediation actions underway including IT controls, account reconciliations, and personnel changes.
- Hawesville sale on February 2, 2026 for $200.0M cash plus 6.8% minority interest in data center; $88.1M of sale proceeds restricted for capital deployment, with put option for $300.0M starting first anniversary of data center operations.
AI-extracted and verified against SEC EDGAR filing text. Not investment advice.
Revenue
Q1 2026
$649.2M
Net Income
Q1 2026
$337.5M
Free Cash Flow
Q1 2026
$-6.4M
ROIC
Q1 2026
22.0%
D/E Ratio
Q1 2026
0.47
Revenue & Net Income
Earnings Per Share
Key Financials Over Time
Export Financial Table · Pro+Revenue
+13.9% YoYNet Income
-86.9% YoYOperating Income
+45.8% YoYEPS (Diluted)
-87.2% YoYTotal Assets
+17.0% YoYTotal Debt
+3.8% YoYOp. Cash Flow
+852.0% YoY| Metric | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 |
|---|---|---|---|---|---|---|
| Revenue | $2.53B +13.9% | $2.22B +1.6% | $2.19B -21.3% | $2.78B +25.5% | $2.21B +37.8% | $1.61B |
| Net Income | $41.8M -86.9% | $319.0M +841.9% | $-43.0M -205.0% | $-14.1M +91.6% | $-167.0M -35.4% | $-123.3M |
| Operating Income | $158.1M +45.8% | $108.4M +294.2% | $27.5M +118.3% | $-150.2M -327.6% | $66.0M +182.0% | $-80.5M |
| EPS (Diluted) | $0.42 -87.2% | $3.27 +795.7% | $-0.47 -213.3% | $-0.15 +91.9% | $-1.85 -34.1% | $-1.38 |
| Total Assets | $2.27B +17.0% | $1.94B +5.0% | $1.85B +25.4% | $1.47B -6.2% | $1.57B +12.2% | $1.40B |
| Total Debt | $548.3M +3.8% | $528.2M +10.2% | $479.2M -9.2% | $527.7M +17.0% | $451.2M +42.8% | $315.9M |
| Operating Cash Flow | $185.0M +852.0% | $-24.6M -123.3% | $105.6M +307.7% | $25.9M +140.0% | $-64.7M -250.8% | $42.9M |
AI Insight: CENX Financial Trends
Q1 2026 delivered exceptional profitability with $374M operating income and $338M net income, but balance sheet leverage surged as equity jumped to $1.15B.
• Operating income surged to $374M in Q1 2026 from $33M in Q4 2025; net income hit $338M versus $2M prior quarter.
• Revenue stabilized around $630M–$650M over the past four quarters, maintaining consistency despite cyclical pressures.
• Operating cash flow totaled $103M in Q4 2025 and $68M in Q1 2026, demonstrating improved cash generation versus early 2024's negative $15M.
⚠ Total debt remained elevated at $546M in Q1 2026; leverage metrics warrant monitoring given equity volatility and debt levels.
⚠ Net income collapsed from $338M in Q1 2026 to pending results; Q2–Q3 2025 showed inconsistent profitability ($-5M, $15M).
AI Insight: CENX Ratio Trends
Q1 2026 shows explosive profitability surge with operating margin jumping to 57.6%, but sustainability remains uncertain given volatile quarterly swings.
• Operating margin surged from 5.2% in Q4 2025 to 57.6% in Q1 2026; NPM expanded from 0.3% to 52.0% over same period.
• ROIC climbed from 9.8% in Q4 2025 to 88.2% in Q1 2026; D/E improved to 0.47 from 0.68, matching 12-month low.
• TTM metrics now robust: OpMargin 19.1%, ROIC 28.6%, ROE 30.4%, with leverage stable at 0.47.
⚠ Quarterly volatility persists: OpMargin ranged 1.1%–57.6% since Q2 2024; Q1 2026 spike may reflect one-off items or seasonality.
⚠ Q2 2024–Q2 2025 showed consistent losses (negative NPM in Q2 2024, Q2 2025); confirm Q1 2026 reflects structural improvement.
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Top Institutional Holders of CENX
Glencore plc
$1.7B29,690,702 shBlackRock, Inc.
$528.8M9,010,379 shSTATE STREET CORP
$273.9M4,667,540 shVANGUARD PORTFOLIO MANAGEMENT LLC
$248.9M4,241,557 shSourcerock Group LLC
$157.7M2,687,249 shFMR LLC
$156.1M2,660,054 shVANGUARD CAPITAL MANAGEMENT LLC
$151.8M2,586,107 shDIMENSIONAL FUND ADVISORS LP
$128.6M2,190,922 shContext Capital Management, LLC
$125.4M39,817,000 shInvesco Ltd.
$121.9M2,076,528 sh
| Fund | Value | Shares |
|---|---|---|
| Glencore plc | $1.7B | 29,690,702 |
| BlackRock, Inc. | $528.8M | 9,010,379 |
| STATE STREET CORP | $273.9M | 4,667,540 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $248.9M | 4,241,557 |
| Sourcerock Group LLC | $157.7M | 2,687,249 |
| FMR LLC | $156.1M | 2,660,054 |
| VANGUARD CAPITAL MANAGEMENT LLC | $151.8M | 2,586,107 |
| DIMENSIONAL FUND ADVISORS LP | $128.6M | 2,190,922 |
| Context Capital Management, LLC | $125.4M | 39,817,000 |
| Invesco Ltd. | $121.9M | 2,076,528 |
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Popular Research
Is CENX a good stock to buy?
13F Pro's AI-powered analysis of CENTURY ALUMINUM CO (CENX) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Materials sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for CENX are available on the CENX stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.
Which hedge funds own CENX?
Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling CENX. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of CENTURY ALUMINUM CO's investment landscape.