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Century Aluminum (CENX) Institutional Ownership

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$39.71 -1.83 (-4.41%)
Closing price 09/15/2026 04:00 PM Eastern
Extended Trading
$39.83 +0.12 (+0.31%)
As of 09/15/2026 07:56 PM 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 Massive. 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)
214
Total
Institutional Inflows
(last 12 months)
$1.88B
Number of
Institutional Sellers
(last 12 months)
107
Total
Institutional Outflows
(last 12 months)
$905.82M
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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
9/9/2026 Sequoia Financial Advisors LLC5,059$233K0.0%-12.0%0.005%
9/9/2026 Tidal Investments LLC10,868$500K0.0%+10.6%0.011%
9/9/2026 WINTON GROUP Ltd13,900$640K0.0%-29.1%0.014%
9/9/2026 Engineers Gate Manager LP45,738$2.10M0.0%-84.6%0.046%
9/9/2026 Integrated Wealth Concepts LLC12,480$574K0.0%-21.8%0.013%
9/9/2026 Steamboat Capital Partners LLC296,666$13.65M2.9%+7.4%0.300%
9/9/2026 Squarepoint Ops LLC679,205$31.25M0.0%+65.6%0.686%
9/8/2026 Arizona State Retirement System18,434$848K0.0%+19.8%0.019%
9/8/2026 Nykredit A S1,836$84K0.0%N/A0.002%
9/2/2026 Allianz Asset Management GmbH45,945$2.11M0.0%N/A0.046%
8/26/2026 Amundi8,114$373K0.0%N/A0.008%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al22,700$1.04M0.0%N/A0.023%
8/22/2026 AlphaGrep UK Ltd7,475$344K0.1%N/A0.008%
8/22/2026 Concurrent Investment Advisors LLC15,030$692K0.0%-16.2%0.015%
8/21/2026 Nykredit A S1,836$84K0.0%N/A0.002%
8/20/2026 Headlands Technologies LLC31,413$1.45M0.2%-35.8%0.032%
8/20/2026 Aldebaran Capital LLC51,995$2.39M1.8%-9.7%0.053%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC100,220$4.61M0.0%+4.1%0.101%
8/19/2026 Van ECK Associates Corp89,352$4.11M0.0%N/A0.090%
8/19/2026 Hsbc Holdings PLC17,285$804K0.0%+19.2%0.017%
8/19/2026 Wellington Management Group LLP548,898$25.26M0.0%+45.0%0.554%
8/18/2026 Empowered Funds LLC46,031$2.12M0.0%N/A0.047%
8/18/2026Jefferies Financial Group Inc.486,175$22.37M0.1%N/A0.491%
8/17/2026 Transamerica Financial Advisors LLC2,718$125K0.0%N/A0.003%
8/17/2026 Parallax Volatility Advisers L.P.10,024$461K0.0%N/A0.010%
8/17/2026 Bank of America Corp DE602,232$27.71M0.0%N/A0.608%
8/15/2026 Man Group plc60,517$2.78M0.0%N/A0.061%
8/15/2026 Jupiter Topco LLC29,885$1.38M0.0%N/A0.030%
8/15/2026 Kinetic Partners Management LP776,700$35.74M0.9%N/A0.785%
8/14/2026 Hsbc Holdings PLC17,285$804K0.0%N/A0.017%
8/14/2026 Canada Pension Plan Investment Board365,400$16.81M0.0%N/A0.369%
8/14/2026 Nicholas Investment Partners LP197,999$9.11M0.5%N/A0.200%
8/14/2026 Legal & General Group Plc123,069$5.66M0.0%N/A0.124%
8/14/2026 The Manufacturers Life Insurance Company46,518$2.14M0.0%N/A0.047%
8/14/2026 Whalen Wealth Management Inc.5,754$265K0.1%N/A0.006%
8/14/2026 Algert Global LLC38,853$1.79M0.0%+2.1%0.039%
8/13/2026 Cibc World Market Inc.132,202$6.08M0.0%N/A0.134%
8/13/2026 OMERS ADMINISTRATION Corp35,000$1.61M0.0%N/A0.035%
8/12/2026 Northwestern Mutual Wealth Management Co.800$37K0.0%N/A0.001%
8/12/2026 Landscape Capital Management L.L.C.11,885$547K0.0%N/A0.012%
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8/12/2026 EP Wealth Advisors LLC5,010$231K0.0%N/A0.005%
8/12/2026 Callan Family Office LLC14,340$660K0.0%N/A0.014%
8/12/2026 Keebeck Wealth Management6,521$300K0.0%N/A0.007%
8/8/2026 Meeder Asset Management Inc.1,366$63K0.0%N/A0.001%
8/7/2026 BlackRock Inc.10,304,905$474.13M0.0%N/A10.412%
8/7/2026 Deutsche Bank AG263,726$12.13M0.0%N/A0.266%
8/6/2026 Global Retirement Partners LLC2,238$103K0.0%N/A0.002%
8/6/2026 Bank of New York Mellon Corp403,628$18.57M0.0%N/A0.408%
8/6/2026 State of Wyoming3,309$152K0.0%N/A0.003%
8/3/2026 Dockside LLC13,298$612K0.1%N/A0.013%
7/10/2026 Insight Wealth Strategies LLC143,472$6.17M0.6%-1.7%0.145%
7/10/2026 Handelsbanken Fonder AB20,817$958K0.0%N/A0.021%
7/9/2026 Arista Wealth Management LLC11,770$542K0.1%N/A0.012%
7/8/2026 Assenagon Asset Management S.A.1,531,167$70.45M0.1%-16.3%1.547%
7/7/2026 GAMMA Investing LLC4,771$220K0.0%+9.1%0.005%
7/7/2026 CoreCap Advisors LLC1,855$85K0.0%+33.7%0.002%
6/18/2026 Wealth High Governance Capital Ltda140,525$8.25M2.5%+44.2%0.142%
6/18/2026 Wealth High Governance Asset Management Ltda.118,950$6.98M2.5%+115.8%0.120%
6/16/2026 PVG Asset Management Corp33,098$1.81M1.3%+531.2%0.033%
6/3/2026 NewEdge Advisors LLC4,513$265K0.0%+1,862.2%0.005%
5/22/2026 Segall Bryant & Hamill LLC72,085$4.23M0.1%-27.6%0.073%
5/19/2026 Bank of America Corp DE608,794$35.73M0.0%+98.0%0.615%
5/19/2026 Edgestream Partners L.P.105,739$6.21M0.2%-32.8%0.107%
5/19/2026 South Dakota Investment Council30,487$1.79M0.0%-90.4%0.031%
5/18/2026 EverSource Wealth Advisors LLC1,419$83K0.0%+26.5%0.001%
5/18/2026 California State Teachers Retirement System63,944$3.75M0.0%+24.8%0.065%
5/18/2026 Royal Bank of Canada27,802$1.63M0.0%-25.2%0.028%
5/18/2026 Rokos Capital Management LLP436,688$25.64M0.2%N/A0.441%
5/18/2026 Empowered Funds LLC6,880$404K0.0%-83.4%0.007%
5/18/2026 Encompass Capital Advisors LLC1,551,362$91.05M2.7%+210.4%1.568%
5/16/2026 The Manufacturers Life Insurance Company27,920$1.64M0.0%+8.7%0.028%
5/16/2026 Quantinno Capital Management LP12,996$763K0.0%+25.0%0.013%
5/16/2026 SummitTX Capital L.P.57,074$3.35M0.1%N/A0.058%
5/15/2026 Entropy Technologies LP14,589$856K0.0%-45.9%0.015%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund184,061$10.80M0.0%+219.6%0.186%
5/14/2026 Renaissance Technologies LLC139,499$8.19M0.0%+18.2%0.141%
5/14/2026 Caxton Associates LLP88,690$5.21M0.1%-12.6%0.090%
5/14/2026 Systematic Financial Management LP157,722$9.26M0.2%-5.3%0.159%
5/14/2026 Sei Investments Co.54,162$3.18M0.0%+2.5%0.055%
5/14/2026 Lido Advisors LLC13,091$768K0.0%+1.4%0.013%
5/14/2026 State of Wyoming43,532$2.56M0.3%-23.5%0.044%
5/13/2026 Cetera Investment Advisers43,612$2.56M0.0%+510.6%0.044%
5/13/2026 Icon Advisers Inc. Co.173,200$10.17M2.3%-28.4%0.175%
5/13/2026 Impala Asset Management LLC975,000$57.22M26.7%+13.7%0.985%
5/13/2026 First Trust Advisors LP65,666$3.85M0.0%-32.6%0.066%
5/12/2026 Himension Capital Singapore PTE. LTD.15,276$897K0.1%-39.5%0.015%
5/8/2026 PNC Financial Services Group Inc.5,090$299K0.0%-5.3%0.005%
5/8/2026 Summit Global Investments7,866$462K0.0%+3.2%0.008%
5/7/2026 Hollencrest Capital Management500$29K0.0%N/A0.001%
5/7/2026 Meeder Asset Management Inc.2,213$130K0.0%-50.7%0.002%
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5/7/2026 Dimensional Fund Advisors LP2,190,922$128.55M0.0%-20.8%2.214%
5/7/2026 KBC Group NV2,199$129K0.0%N/A0.002%
5/6/2026 Allspring Global Investments Holdings LLC562,030$35.70M0.1%+23.3%0.568%
5/5/2026 Bank of New York Mellon Corp335,864$19.71M0.0%+0.1%0.339%
5/5/2026 Illinois Municipal Retirement Fund24,204$1.42M0.0%-15.2%0.024%
5/5/2026 Sigma Planning Corp22,158$1.30M0.0%-30.5%0.022%
5/4/2026 Principal Financial Group Inc.260,426$15.28M0.0%-35.0%0.263%
5/4/2026 Teachers Retirement System of The State of Kentucky26,898$1.58M0.0%+102.8%0.027%
5/1/2026 Fifth Third Bancorp14,248$836K0.0%+6,620.8%0.014%
5/1/2026 Sequoia Financial Advisors LLC5,750$337K0.0%N/A0.006%


CENX Institutional Ownership - Frequently Asked Questions

During the previous two years, 336 institutional investors and hedge funds held shares of Century Aluminum. The most heavily invested institutionals were Glencore plc ($1.74B), BlackRock Inc. ($474.13M), Vanguard Group Inc. ($271.90M), State Street Corp ($168.31M), Dimensional Fund Advisors LP ($128.55M), Encompass Capital Advisors LLC ($91.05M), and Assenagon Asset Management S.A. ($70.45M).Learn more on Century Aluminum's institutional investors.

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

Of the 310 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 ($53.51M), Mountaineer Partners Management LLC ($21.51M), BlackRock Inc. ($10.30M), Boston Partners ($2.64M), Encompass Capital Advisors LLC ($1.80M), Assenagon Asset Management S.A. ($1.72M), and Sourcerock Group LLC ($1.22M).

Institutional investors have bought a total of 44,831,899 shares in the last 24 months. This purchase volume represents approximately $1.88B in transactions.

Of the 107 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: Glencore plc ($10.37M), Wexford Capital LP ($1.27M), Boston Partners ($1.13M), Woodline Partners LP ($1.07M), Dimensional Fund Advisors LP ($881.06K), South Dakota Investment Council ($407.93K), and Encompass Capital Advisors LLC ($311.33K).

Institutional investors have sold a total of 20,323,341 shares in the last 24 months. This volume of shares sold represents approximately $905.82M in transactions.



Institutional ownership data for NASDAQ:CENX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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