Free Trial

Century Aluminum (CENX) Institutional Ownership

Century Aluminum logo
$31.60 +3.51 (+12.50%)
Closing price 10/8/2025 04:00 PM Eastern
Extended Trading
$31.62 +0.02 (+0.08%)
As of 05:27 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Institutional Ownership Changes (13F Filings) for Century Aluminum (NASDAQ:CENX)

Current
Institutional Ownership
Percentage
61.59%
Number of
Institutional Buyers
(last 12 months)
167
Total
Institutional Inflows
(last 12 months)
$1.46B
Number of
Institutional Sellers
(last 12 months)
84
Total
Institutional Outflows
(last 12 months)
$192.28M
Get CENX Insider Trade Alerts

Want to know when executives and insiders are buying or selling Century Aluminum stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

CENX Institutional Buying and Selling by Quarter

Century Aluminum Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/8/2025Sheets Smith Investment Management22,196$652K0.4%N/A0.024%
10/7/2025 Assenagon Asset Management S.A.407,939$11.98M0.0%+103.1%0.437%
10/1/2025 Praxis Investment Management Inc.7,750$228K0.0%N/A0.008%
9/24/2025Texas Permanent School Fund Corp119,809$2.16M0.0%-47.9%0.128%
9/4/2025Osaic Holdings Inc.16,772$302K0.0%+6.8%0.018%
8/27/2025Impala Asset Management LLC803,894$14.49M8.5%-13.8%0.861%
8/27/2025Squarepoint Ops LLC252,331$4.55M0.0%+139.8%0.270%
8/19/2025State of Wyoming77,469$1.40M0.2%N/A0.083%
8/18/2025Nomura Holdings Inc.15,700$283K0.0%N/A0.017%
8/16/2025Public Sector Pension Investment Board178,097$3.21M0.0%+8.0%0.191%
8/16/2025Headlands Technologies LLC14,996$270K0.0%+89.2%0.016%
8/15/2025CANADA LIFE ASSURANCE Co48,209$869K0.0%+8.2%0.052%
8/15/2025Tower Research Capital LLC TRC 12,094$218K0.0%+963.7%0.013%
8/15/2025State of Tennessee Department of Treasury12,620$227K0.0%-44.7%0.014%
8/15/2025Two Sigma Securities LLC25,943$467K0.1%N/A0.028%
8/15/2025Sourcerock Group LLC1,424,088$25.66M1.3%+612.0%1.526%
8/15/2025Orion Resource Partners LP34,147$615K0.1%+204.7%0.037%
8/15/2025LMR Partners LLP104,000$1.87M0.0%-21.2%0.111%
8/15/2025Encompass Capital Advisors LLC104,535$1.88M0.1%-86.1%0.112%
8/15/2025BNP Paribas Financial Markets113,964$2.05M0.0%+17.5%0.122%
8/15/2025Boothbay Fund Management LLC71,937$1.30M0.0%+568.6%0.077%
8/15/2025Brevan Howard Capital Management LP85,302$1.54M0.0%+358.6%0.091%
8/15/2025Balyasny Asset Management L.P.247,106$4.45M0.0%+38.1%0.265%
8/15/2025Adage Capital Partners GP L.L.C.290,000$5.23M0.0%+13.7%0.311%
8/15/2025Ameriprise Financial Inc.130,180$2.35M0.0%-7.8%0.139%
8/14/2025Lighthouse Investment Partners LLC73,612$1.33M0.0%+5.2%0.079%
8/14/2025California State Teachers Retirement System47,972$864K0.0%-7.4%0.051%
8/14/2025Raymond James Financial Inc.123,415$2.22M0.0%+20.3%0.132%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1,429,402$25.76M0.0%-2.3%1.531%
8/14/2025Squarepoint Ops LLC252,331$4.55M0.0%+139.8%0.270%
8/14/2025Sei Investments Co.20,926$377K0.0%+2.5%0.022%
8/14/2025Soviero Asset Management LP190,000$3.42M2.1%N/A0.204%
8/14/2025Qube Research & Technologies Ltd541,111$9.75M0.0%+155.5%0.580%
8/14/2025iSAM Funds UK Ltd13,754$248K0.1%N/A0.015%
8/14/2025Lombard Odier Asset Management USA Corp60,411$1.09M0.1%-4.3%0.065%
8/14/2025State Street Corp3,665,546$66.05M0.0%+13.2%3.927%
8/14/2025WINTON GROUP Ltd84,497$1.52M0.1%-1.2%0.091%
8/14/2025Federated Hermes Inc.22,454$405K0.0%-65.7%0.024%
8/13/2025Jump Financial LLC64,895$1.17M0.0%N/A0.070%
8/13/2025Marshall Wace LLP521,608$9.40M0.0%N/A0.559%
8/13/2025EverSource Wealth Advisors LLC1,822$33K0.0%+253.1%0.002%
8/13/2025Invesco Ltd.537,466$9.69M0.0%-42.6%0.576%
8/13/2025Thomist Capital Management LP221,746$4.00M1.2%+489.0%0.238%
8/13/2025Quantbot Technologies LP41,380$746K0.0%-65.8%0.044%
8/13/2025Fisher Asset Management LLC1,063,585$19.17M0.0%-19.6%1.139%
8/13/2025Icon Advisers Inc. Co.325,200$5.86M1.3%N/A0.348%
8/13/2025Lido Advisors LLC12,574$227K0.0%N/A0.013%
8/13/2025New York State Common Retirement Fund15,344$276K0.0%-95.7%0.016%
8/13/2025Hsbc Holdings PLC52,399$947K0.0%+106.6%0.056%
8/13/2025Russell Investments Group Ltd.250,325$4.51M0.0%+93.5%0.268%
8/12/2025Boston Partners1,733,668$31.25M0.0%+340.1%1.858%
8/12/2025XTX Topco Ltd11,466$207K0.0%N/A0.012%
8/12/2025Prudential Financial Inc.98,187$1.77M0.0%-32.9%0.105%
8/12/2025American Century Companies Inc.155,934$2.81M0.0%+13.7%0.167%
8/12/2025Rhumbline Advisers147,135$2.65M0.0%+3.3%0.158%
8/12/2025Franklin Resources Inc.44,924$810K0.0%-1.7%0.048%
8/12/2025Legal & General Group Plc132,443$2.39M0.0%+3.3%0.142%
8/12/2025JPMorgan Chase & Co.147,046$2.65M0.0%+7.1%0.158%
8/12/2025Swiss National Bank105,750$1.91M0.0%-2.0%0.113%
8/12/2025Dynamic Technology Lab Private Ltd48,600$876K0.1%N/A0.052%
8/8/2025Intech Investment Management LLC99,163$1.79M0.0%-26.6%0.106%
8/8/2025Commonwealth of Pennsylvania Public School Empls Retrmt SYS13,415$242K0.0%+7.9%0.014%
8/8/2025Geode Capital Management LLC1,300,691$23.44M0.0%+0.5%1.394%
8/8/2025PNC Financial Services Group Inc.4,414$80K0.0%+12.9%0.005%
8/7/2025Boston Partners1,303,580$23.50M0.0%+230.9%1.397%
8/7/2025ProShare Advisors LLC11,666$210K0.0%-6.0%0.013%
8/7/2025Monaco Asset Management SAM230,000$4.15M0.7%+67.3%0.247%
8/7/2025CSM Advisors LLC261,953$4.72M0.1%N/A0.281%
8/7/2025Campbell & CO Investment Adviser LLC19,859$358K0.0%-63.1%0.021%
8/6/2025Fox Run Management L.L.C.35,546$641K0.1%N/A0.038%
8/6/2025First Eagle Investment Management LLC338,056$6.09M0.0%-7.4%0.362%
8/6/2025Bastion Asset Management Inc.239,486$4.25M2.0%+48.3%0.257%
8/5/2025Bank of Montreal Can40,159$724K0.0%-75.2%0.043%
8/5/2025South Dakota Investment Council438,419$7.90M0.2%+57.3%0.470%
8/5/2025Versor Investments LP27,666$499K0.1%-7.5%0.030%
8/5/2025ANTIPODES PARTNERS Ltd153,131$2.76M0.1%N/A0.164%
8/1/2025Jennison Associates LLC45,172$814K0.0%-4.0%0.048%
8/1/2025Teacher Retirement System of Texas39,630$714K0.0%+18.6%0.042%
7/31/2025AlphaQuest LLC10,950$197K0.0%+57.1%0.012%
7/29/2025VIRGINIA RETIREMENT SYSTEMS ET Al26,400$476K0.0%N/A0.028%
7/28/2025New York State Teachers Retirement System81,728$1.47M0.0%-13.2%0.088%
7/28/2025Bayforest Capital Ltd6,883$124K0.1%N/A0.007%
7/25/2025Atria Wealth Solutions Inc.11,249$203K0.0%N/A0.012%
7/25/2025Vanguard Personalized Indexing Management LLC11,257$203K0.0%N/A0.012%
7/24/2025Aberdeen Group plc13,044$235K0.0%N/A0.014%
7/24/2025Callan Family Office LLC14,706$265K0.0%N/A0.016%
7/24/2025Glencore plc40,054,508$721.78M85.7%+0.0%42.931%
7/21/2025111 Capital18,909$341K0.1%N/A0.020%
7/16/2025State of Alaska Department of Revenue31,124$560K0.0%+8.1%0.033%
7/14/2025 GAMMA Investing LLC4,232$76K0.0%-21.9%0.005%
7/11/2025Farther Finance Advisors LLC1,364$25K0.0%+1,291.8%0.001%
7/11/2025 Assenagon Asset Management S.A.200,899$3.62M0.0%-32.5%0.215%
7/10/2025Three Seasons Wealth LLC25,036$451K0.1%N/A0.027%
6/27/2025Goldman Sachs Group Inc.379,348$7.04M0.0%-8.4%0.407%
6/18/2025Voya Investment Management LLC14,230$264K0.0%-10.8%0.015%
6/2/2025Hodges Capital Management Inc.20,000$371K0.0%N/A0.021%
5/29/2025Rhumbline Advisers142,446$2.64M0.0%-0.5%0.153%
5/21/2025Impala Asset Management LLC932,154$17.30M11.2%+33.6%0.999%
5/20/2025Intech Investment Management LLC135,013$2.51M0.0%-31.1%0.145%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC124,001$2.30M0.0%+21.2%0.133%
(Data available from 1/1/2016 forward)

CENX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CENX shares?

During the previous two years, 226 institutional investors and hedge funds held shares of Century Aluminum. The most heavily invested institutionals were Glencore plc ($721.78M), Vanguard Group Inc. ($106.06M), State Street Corp ($66.05M), Dimensional Fund Advisors LP ($53.53M), Boston Partners ($31.25M), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. ($25.76M), and Sourcerock Group LLC ($25.66M).Learn more on Century Aluminum's institutional investors.

What percentage of Century Aluminum's stock is owned by institutional investors?

61.59% of Century Aluminum's stock is owned by institutional investors. Learn more on CENX's institutional investor holdings.

Which institutional investors have been buying Century Aluminum's stock?

Of the 192 institutional investors that purchased Century Aluminum's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Glencore plc ($40.05M), Mountaineer Partners Management LLC ($21.51M), Boston Partners ($2.64M), Encompass Capital Advisors LLC ($2.04M), Sourcerock Group LLC ($1.22M), Woodline Partners LP ($1.04M), and Assenagon Asset Management S.A. ($945.50K).

How much institutional buying is happening at Century Aluminum?

Institutional investors have bought a total of 82,350,912 shares in the last 24 months. This purchase volume represents approximately $1.46B in transactions.

Which of Century Aluminum's major shareholders have been selling company stock?

Of the 84 institutional investors that sold Century Aluminum's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Invesco Ltd. ($1.69M), Fisher Asset Management LLC ($901.42K), Mountaineer Partners Management LLC ($759.99K), JPMorgan Chase & Co. ($741.99K), American Century Companies Inc. ($685.87K), Encompass Capital Advisors LLC ($645.47K), and Sourcerock Group LLC ($637.99K).

How much institutional selling is happening at Century Aluminum?

Institutional investors have sold a total of 10,651,276 shares in the last 24 months. This volume of shares sold represents approximately $192.28M in transactions.



This page (NASDAQ:CENX) was last updated on 10/9/2025 by MarketBeat.com Staff
From Our Partners