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CENX Insider Trading

Insider Ownership Percentage: 0.76%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,149,532.63

Century Aluminum Insider Trading History Chart

This chart shows the insider buying and selling history at Century Aluminum by year and by quarter.

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Century Aluminum Share Price & Price History

Current Price: $30.86
Price Change: ▼ Price Decrease of -0.08 (-0.26%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for CENX up to the past year.

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Days: 30 | 90 | 365

Century Aluminum Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/26/2025Agust F HafbergSVPSell9,493$27.91$264,949.6355,260View SEC Filing Icon  
8/12/2025Matt AboudSVPSell12,027$23.27$279,868.2962,589View SEC Filing Icon  
3/14/2025Robert F. HoffmanCAOSell2,500$19.99$49,975.0064,083View SEC Filing Icon  
12/26/2024Jesse E GaryCEOSell29,243$18.97$554,739.7150,753View SEC Filing Icon  
6/26/2024Jesse E GaryCEOSell60,000$16.21$972,600.0062,447View SEC Filing Icon  
12/26/2023Jesse E GaryCEOSell70,000$12.59$881,300.00144,605View SEC Filing Icon  
12/20/2023Robert F. HoffmanCAOSell3,000$12.00$36,000.0047,553View SEC Filing Icon  
5/11/2023Matt AboudSVPBuy18,000$7.25$130,500.0046,678View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Century Aluminum (NASDAQ:CENX)

61.59% of Century Aluminum stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at CENX by year and by quarter.

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Century Aluminum Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/1/2025Cambria Investment Management L.P.29,842$0.88M0.1%+25.0%0.032%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC1,153$34K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Icon Advisers Inc. Co.242,000$7.11M1.6%-25.6%0.259%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co44,856$1.32M0.0%-7.0%0.048%Search for SEC Filing on Google Icon
11/17/2025Caxton Associates LLP62,357$1.83M0.0%N/A0.067%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP220,264$6.47M0.0%-82.9%0.236%Search for SEC Filing on Google Icon
11/17/2025PharVision Advisers LLC9,879$0.29M0.2%N/A0.011%Search for SEC Filing on Google Icon
11/17/2025XTX Topco Ltd20,054$0.59M0.0%+74.9%0.021%Search for SEC Filing on Google Icon
11/17/2025Voleon Capital Management LP68,030$2M0.0%N/A0.073%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC796,883$23.40M0.1%+47.1%0.854%Search for SEC Filing on Google Icon
11/17/2025Wexford Capital LP206,513$6.06M0.9%-86.0%0.221%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC83,318$2.45M0.0%-70.7%0.089%Search for SEC Filing on Google Icon
11/17/2025Scientech Research LLC17,660$0.52M0.2%N/A0.019%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management US LLC9,297$0.27M0.0%-60.4%0.010%Search for SEC Filing on Google Icon
11/17/2025Quarry LP24,701$0.73M0.2%+9,702.0%0.026%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd823,130$24.17M0.0%+52.1%0.882%Search for SEC Filing on Google Icon
11/17/2025Numerai GP LLC33,997$1M0.1%+57.9%0.036%Search for SEC Filing on Google Icon
11/17/2025Lombard Odier Asset Management USA Corp76,500$2.25M0.2%+26.6%0.082%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV9,296$0.27M0.0%N/A0.010%Search for SEC Filing on Google Icon
11/17/2025Mountaineer Partners Management LLC661,043$19.41M11.3%-6.3%0.708%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC442,673$13M0.0%-13.6%0.474%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1,457,401$42.79M0.1%+2.0%1.561%Search for SEC Filing on Google Icon
11/17/2025Lighthouse Investment Partners LLC24,479$0.72M0.0%-66.7%0.026%Search for SEC Filing on Google Icon
11/17/2025Integrated Wealth Concepts LLC16,106$0.47M0.0%-8.7%0.017%Search for SEC Filing on Google Icon
11/17/2025Invenomic Capital Management LP155,269$4.56M0.2%N/A0.166%Search for SEC Filing on Google Icon
11/17/2025Gotham Asset Management LLC22,586$0.66M0.0%+35.7%0.024%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP55,723$1.64M0.0%-34.7%0.060%Search for SEC Filing on Google Icon
11/17/2025CSM Advisors LLC298,204$8.76M0.2%+13.8%0.319%Search for SEC Filing on Google Icon
11/17/2025Boothbay Fund Management LLC119,918$3.52M0.1%+66.7%0.128%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC53,943$1.58M0.0%+0.8%0.058%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.66,243$1.95M0.0%-6.3%0.071%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.142,809$4.19M0.0%+9.7%0.153%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC44,348$1.30M0.0%N/A0.048%Search for SEC Filing on Google Icon
11/14/2025Creative Planning11,163$0.33M0.0%N/A0.012%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.129,720$3.81M0.0%+5.1%0.139%Search for SEC Filing on Google Icon
11/14/2025Occudo Quantitative Strategies LP36,739$1.08M0.1%N/A0.039%Search for SEC Filing on Google Icon
11/14/2025California State Teachers Retirement System51,243$1.50M0.0%+6.8%0.055%Search for SEC Filing on Google Icon
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 17,678$0.52M0.0%+40.6%0.019%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC859,900$25.25M0.0%+123.9%0.921%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC44,292$1.30M0.0%-82.4%0.047%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank16,216$0.48M0.0%-14.0%0.017%Search for SEC Filing on Google Icon
11/13/2025Boston Partners1,139,661$33.46M0.0%-34.3%1.221%Search for SEC Filing on Google Icon
11/13/2025Vise Technologies Inc.7,071$0.21M0.0%N/A0.008%Search for SEC Filing on Google Icon
11/13/2025Entropy Technologies LP26,123$0.77M0.1%N/A0.028%Search for SEC Filing on Google Icon
11/13/2025Wealth High Governance Capital Ltda150,000$4.40M1.3%N/A0.161%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.849,522$24.94M0.0%+58.1%0.910%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.82,373$2.42M0.0%+293.6%0.088%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets116,219$3.41M0.0%+2.0%0.125%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.46,548$1.37M0.0%+3.6%0.050%Search for SEC Filing on Google Icon
11/13/2025BW Gestao de Investimentos Ltda.100,000$2.94M0.1%N/A0.107%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc133,399$3.92M0.0%+0.7%0.143%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank108,450$3.18M0.0%+2.6%0.116%Search for SEC Filing on Google Icon
11/13/2025WINTON GROUP Ltd48,912$1.44M0.1%-42.1%0.052%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.258,005$7.58M0.0%+3.1%0.276%Search for SEC Filing on Google Icon
11/13/2025PFG Advisors25,911$0.76M0.0%N/A0.028%Search for SEC Filing on Google Icon
11/13/2025Jefferies Financial Group Inc.213,350$6.26M0.0%N/A0.229%Search for SEC Filing on Google Icon
11/13/2025Natixis Advisors LLC19,859$0.58M0.0%+4.2%0.021%Search for SEC Filing on Google Icon
11/12/2025Icon Advisers Inc. Co.242,000$6.50M1.5%-25.6%0.259%Search for SEC Filing on Google Icon
11/12/2025Impala Asset Management LLC689,000$20.23M13.7%-14.3%0.738%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC86,330$2.54M0.0%-17.6%0.092%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP3,061,234$89.88M0.0%-0.3%3.280%Search for SEC Filing on Google Icon
11/12/2025South Dakota Investment Council381,161$11.19M0.2%-13.1%0.408%Search for SEC Filing on Google Icon
11/12/2025First Eagle Investment Management LLC340,153$9.99M0.0%+0.6%0.364%Search for SEC Filing on Google Icon
11/12/2025Teachers Retirement System of The State of Kentucky14,827$0.44M0.0%-17.3%0.016%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.106,007$3.11M0.0%+8.3%0.114%Search for SEC Filing on Google Icon
11/12/2025Segall Bryant & Hamill LLC41,569$1.22M0.0%N/A0.045%Search for SEC Filing on Google Icon
11/12/2025Fisher Asset Management LLC966,575$28.38M0.0%-9.1%1.036%Search for SEC Filing on Google Icon
11/12/2025Journey Strategic Wealth LLC7,550$0.22M0.0%N/A0.008%Search for SEC Filing on Google Icon
11/12/2025Royce & Associates LP148,460$4.36M0.0%N/A0.159%Search for SEC Filing on Google Icon
11/12/2025American Century Companies Inc.767,692$22.54M0.0%+392.3%0.822%Search for SEC Filing on Google Icon
11/12/2025Quantbot Technologies LP33,829$0.99M0.0%-18.2%0.036%Search for SEC Filing on Google Icon
11/12/2025Amitell Capital Pte Ltd108,000$3.17M1.9%N/A0.116%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC79,273$2.33M0.0%-20.1%0.085%Search for SEC Filing on Google Icon
11/12/2025Fox Run Management L.L.C.7,324$0.22M0.0%-79.4%0.008%Search for SEC Filing on Google Icon
11/10/2025Aldebaran Capital LLC59,565$1.75M1.6%-2.6%0.064%Search for SEC Filing on Google Icon
11/10/2025AXQ Capital LP7,125$0.21M0.1%N/A0.008%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.4,414$0.13M0.0%-15.0%0.005%Search for SEC Filing on Google Icon
11/10/2025Monaco Asset Management SAM168,752$4.96M0.3%-26.6%0.181%Search for SEC Filing on Google Icon
11/7/2025CenterBook Partners LP24,003$0.71M0.0%N/A0.026%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP20,057$0.59M0.0%-27.8%0.021%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.5,845,537$171.63M0.0%+1.3%6.263%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.424,252$12.46M0.0%+188.5%0.455%Search for SEC Filing on Google Icon
11/7/2025Aberdeen Group plc27,297$0.80M0.0%+109.3%0.029%Search for SEC Filing on Google Icon
11/6/2025Public Sector Pension Investment Board207,521$6.09M0.0%+16.5%0.222%Search for SEC Filing on Google Icon
11/6/2025Illinois Municipal Retirement Fund27,376$0.80M0.0%+20.5%0.029%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC9,961$0.29M0.0%-14.6%0.011%Search for SEC Filing on Google Icon
11/4/2025State of Wyoming49,828$1.46M0.2%-35.7%0.053%Search for SEC Filing on Google Icon
11/4/2025Convergence Investment Partners LLC32,078$0.94M0.2%N/A0.034%Search for SEC Filing on Google Icon
11/4/2025Principal Financial Group Inc.350,858$10.30M0.0%+35.4%0.376%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC9,984$0.29M0.0%-8.8%0.011%Search for SEC Filing on Google Icon
11/3/2025Arizona State Retirement System16,562$0.49M0.0%+2.5%0.018%Search for SEC Filing on Google Icon
11/3/2025Federated Hermes Inc.15,416$0.45M0.0%-31.3%0.017%Search for SEC Filing on Google Icon
11/3/2025SummerHaven Investment Management LLC43,479$1.28M0.7%N/A0.047%Search for SEC Filing on Google Icon
10/31/2025Vanguard Personalized Indexing Management LLC10,669$0.31M0.0%-5.2%0.011%Search for SEC Filing on Google Icon
10/31/2025Y Intercept Hong Kong Ltd50,114$1.47M0.0%N/A0.054%Search for SEC Filing on Google Icon
10/31/2025Glencore plc40,057,356$1.18B29.7%+0.0%42.916%Search for SEC Filing on Google Icon
10/30/2025Teacher Retirement System of Texas33,249$0.98M0.0%-16.1%0.036%Search for SEC Filing on Google Icon
10/30/2025Covestor Ltd7,899$0.23M0.1%-23.2%0.008%Search for SEC Filing on Google Icon
10/29/2025Amalgamated Bank15,376$0.45M0.0%+3.7%0.016%Search for SEC Filing on Google Icon
10/29/2025Maryland State Retirement & Pension System7,613$0.22M0.0%-49.9%0.008%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Century Aluminum logo
Century Aluminum Company, together with its subsidiaries, engages in the production of standard-grade and value-added primary aluminum products in the United States and Iceland. It also owns and operates an alumina production facility in Iceland, and a carbon anode production facility in the Netherlands. The company was founded in 1995 and is headquartered in Chicago, Illinois.
Read More on Century Aluminum

Today's Range

Now: $30.86
Low: $30.14
High: $31.40

50 Day Range

MA: $29.80
Low: $26.19
High: $34.26

52 Week Range

Now: $30.86
Low: $13.05
High: $34.51

Volume

1,351,430 shs

Average Volume

2,610,501 shs

Market Capitalization

$2.88 billion

P/E Ratio

36.31

Dividend Yield

N/A

Beta

2.28

Who are the company insiders with the largest holdings of Century Aluminum?

Century Aluminum's top insider shareholders include:
  1. International Ag Glencore (Major Shareholder)
  2. Jesse E Gary (CEO)
  3. Robert F Hoffman (CAO)
  4. Matt Aboud (SVP)
  5. Agust F Hafberg (SVP)
Learn More about top insider investors at Century Aluminum.

Who are the major institutional investors of Century Aluminum?

Century Aluminum's top institutional investors include:
  1. Glencore plc — 42.92%
  2. Vanguard Group Inc. — 6.26%
  3. Dimensional Fund Advisors LP — 3.28%
  4. MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. — 1.56%
  5. Boston Partners — 1.22%
  6. Fisher Asset Management LLC — 1.04%
Learn More about top institutional investors of Century Aluminum stock.

Which institutional investors are selling Century Aluminum stock?

In the previous quarter, CENX stock was sold by these institutional investors:
  1. Wexford Capital LP
  2. Woodline Partners LP
  3. Boston Partners
  4. Bank of America Corp DE
  5. Squarepoint Ops LLC
  6. Verition Fund Management LLC
  7. Citadel Advisors LLC
  8. Impala Asset Management LLC
In the previous year, company insiders that have sold Century Aluminum company stock include:
  1. International Ag Glencore (Major Shareholder)
  2. Jesse E Gary (CEO)
  3. Robert F Hoffman (CAO)
  4. Matt Aboud (SVP)
  5. Agust F Hafberg (SVP)
Learn More investors selling Century Aluminum stock.

Which institutional investors are buying Century Aluminum stock?

During the previous quarter, CENX stock was purchased by institutional investors including:
  1. American Century Companies Inc.
  2. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
  3. Susquehanna International Group LLP
  4. Invesco Ltd.
  5. Qube Research & Technologies Ltd
  6. JPMorgan Chase & Co.
  7. Voloridge Investment Management LLC
  8. Jefferies Financial Group Inc.