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Century Aluminum Co

CENX
Exchange
Nasdaq
Industry
Primary Production of Aluminum
SEC CIK
0000949157

No open-market purchases or sales by Century Aluminum Co insiders were filed in the last 90 days; 416 institutions reported holding it in 13F filings for Q2 2026, worth $4.79B in total; no superinvestor holds it.

13F holders, Q1 2022

Institutional positions in Century Aluminum Co as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
190
+27 vs. Q4 2021
Shares held
52.7M
+1.47M (+2.9%) vs. Q4 2021
Total value
$1.39B
+$541.2M (+64.1%) vs. Q4 2021
New holders
47
56 more added
Sold out
20
71 more reduced

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CENX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 190 institutions
Q1 2021: 139 institutionsQ2 2021: 146 institutionsQ3 2021: 148 institutionsQ4 2021: 164 institutionsQ1 2022: 190 institutionsQ2 2022: 172 institutionsQ3 2022: 176 institutionsQ4 2022: 169 institutionsQ1 2023: 168 institutionsQ2 2023: 160 institutionsQ3 2023: 162 institutionsQ4 2023: 171 institutionsQ1 2024: 180 institutionsQ2 2024: 191 institutionsQ3 2024: 197 institutionsQ4 2024: 222 institutionsQ1 2025: 218 institutionsQ2 2025: 222 institutionsQ3 2025: 255 institutionsQ4 2025: 326 institutionsQ1 2026: 387 institutionsQ2 2026: 416 institutions
Value heldQ1 2022: $1.39B
Q1 2021: $823.3MQ2 2021: $673.3MQ3 2021: $674.8MQ4 2021: $844.8MQ1 2022: $1.39BQ2 2022: $415.9MQ3 2022: $269.4MQ4 2022: $423.5MQ1 2023: $518.2MQ2 2023: $438.5MQ3 2023: $378.2MQ4 2023: $693.3MQ1 2024: $829.8MQ2 2024: $923.2MQ3 2024: $892.4MQ4 2024: $1.68BQ1 2025: $1.72BQ2 2025: $1.72BQ3 2025: $2.83BQ4 2025: $3.92BQ1 2026: $5.92BQ2 2026: $4.79B
Institutions holding CENX and their total value by quarter
QuarterHoldersValue
Q2 2026416$4.79B
Q1 2026387$5.92B
Q4 2025326$3.92B
Q3 2025255$2.83B
Q2 2025222$1.72B
Q1 2025218$1.72B
Q4 2024222$1.68B
Q3 2024197$892.4M
Q2 2024191$923.2M
Q1 2024180$829.8M
Q4 2023171$693.3M
Q3 2023162$378.2M
Q2 2023160$438.5M
Q1 2023168$518.2M
Q4 2022169$423.5M
Q3 2022176$269.4M
Q2 2022172$415.9M
Q1 2022190$1.39B
Q4 2021164$844.8M
Q3 2021148$674.8M
Q2 2021146$673.3M
Q1 2021139$823.3M

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Century Aluminum Co; share changes are against Q4 2021.

Institutions holding CENX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.8,240,024$216.8M0.01%−151,189−1.8%Reduced
Vanguard Group Inc5,660,248$148.9M0.00%+42,047+0.7%Added
State Street Corp5,608,703$147.6M0.01%−399,174−6.6%Reduced
Dimensional Fund Advisors LP3,375,432$88.8M0.03%−447,222−11.7%Reduced
Fisher Asset Management, LLC2,509,569$66.0M0.04%+98,778+4.1%Added
William Blair Investment Management, LLC1,828,591$48.1M0.14%−606,038−24.9%Reduced
Impala Asset Management LLC1,560,000$41.0M3.56%+223,510+16.7%Added
FMR LLC1,301,265$34.2M0.00%+1,301,230+3,717,800.0%Added
Morgan Stanley1,240,225$32.6M0.00%+243,653+24.4%Added
Two Sigma Investments, LP1,050,138$27.6M0.08%+782,622+292.6%Added
Geode Capital Management, LLC971,840$25.6M0.00%+21,207+2.2%Added
Mirae Asset Global Investments Co., Ltd.917,579$24.1M0.05%−212,571−18.8%Reduced
Voloridge Investment Management, LLC913,186$24.0M0.14%+559,754+158.4%Added
Key Group Holdings (Cayman), Ltd.851,713$22.4M1.71%+457,842+116.2%Added
Norges Bank793,733$20.9M0.00%+216,700+37.6%Added
Renaissance Technologies LLC669,199$17.6M0.02%+669,199New
Merewether Investment Management, LP665,700$17.5M1.78%+665,700New
Charles Schwab Investment Management Inc595,958$15.7M0.00%−3,779−0.6%Reduced
Royce & Associates LP584,838$15.4M0.13%−199,500−25.4%Reduced
Mountaineer Partners Management, LLC546,641$14.4M8.32%−153,614−21.9%Reduced
Parametric Portfolio Associates LLC529,737$13.9M0.01%+89,070+20.2%Added
Bank of New York Mellon Corp516,252$13.6M0.00%+18,195+3.7%Added
Northern Trust Corp510,860$13.4M0.00%−12,974−2.5%Reduced
Lord, Abbett & Co. LLC480,785$12.6M0.03%+480,785New
Great Lakes Advisors, LLC406,168$10.7M0.18%−102,734−20.2%Reduced
Scopus Asset Management, L.P.400,000$10.5M0.39%+400,000New
Assenagon Asset Management S.A.361,700$9.52M0.03%−334,660−48.1%Reduced
Nuveen Asset Management, LLC337,776$9.15M0.00%−19,259−5.4%Reduced
Principal Financial Group Inc333,162$8.77M0.01%−2,669−0.8%Reduced
Bridgeway Capital Management, LLC330,000$8.68M0.17%−120,000−26.7%Reduced
Amundi308,908$8.45M0.01%+62,423+25.3%Added
Penn Capital Management Co Inc313,800$8.28M0.85%−277,579−46.9%Reduced
Citadel Advisors LLC313,149$8.24M0.01%−691,925−68.8%Reduced
New York State Common Retirement Fund261,478$6.88M0.01%−227,294−46.5%Reduced
Wellington Management Group LLP247,734$6.52M0.00%+219,008+762.4%Added
Millennium Management LLC234,699$6.17M0.01%+149,751+176.3%Added
BNP Paribas Arbitrage, SA224,313$5.90M0.01%+97,156+76.4%Added
JPMorgan Chase & Co223,659$5.88M0.00%+137,171+158.6%Added
Ameriprise Financial Inc208,688$5.49M0.00%−2,423−1.1%Reduced
Invesco Ltd.205,737$5.41M0.00%−1,122,594−84.5%Reduced
Bank of America Corp201,189$5.29M0.00%−55,990−21.8%Reduced
Susquehanna Fundamental Investments, LLC199,444$5.25M0.10%00.0%Unchanged
Hillsdale Investment Management Inc.185,150$4.87M0.31%+185,150New
Congress Asset Management Co183,846$4.84M0.04%+183,846New
Goldman Sachs Group Inc181,669$4.78M0.00%−228,009−55.7%Reduced
Two Sigma Advisers, LP165,483$4.35M0.01%+124,900+307.8%Added
Legal & General Group Plc141,717$3.73M0.00%−1,358−0.9%Reduced
Rhumbline Advisers141,192$3.71M0.00%−3,036−2.1%Reduced
Healthcare of Ontario Pension Plan Trust Fund132,800$3.49M0.01%+132,800New
Deutsche Bank AG131,209$3.45M0.00%−52,973−28.8%Reduced
PDT Partners, LLC129,003$3.39M0.29%−39,905−23.6%Reduced
Zweig-DiMenna Associates LLC128,000$3.37M0.51%+128,000New
Swiss National Bank127,850$3.36M0.00%+8,700+7.3%Added
EAM Investors, LLC118,708$3.12M0.58%+118,708New
Russell Investments Group, Ltd.113,912$3.00M0.01%−5,334−4.5%Reduced
Wells Fargo & Company107,625$2.83M0.00%−29,727−21.6%Reduced
Group One Trading, L.P.104,130$2.74M0.06%+93,881+916.0%Added
Engineers Gate Manager LP103,104$2.71M0.11%+103,104New
New York State Teachers Retirement System100,605$2.65M0.01%00.0%Unchanged
Balyasny Asset Management LLC100,000$2.63M0.01%−77,494−43.7%Reduced
Credit Suisse AG97,674$2.57M0.00%−24,505−20.1%Reduced
LPL Financial LLC94,645$2.49M0.00%+72,357+324.6%Added
Public Sector Pension Investment Board94,207$2.48M0.02%−9,110−8.8%Reduced
Susquehanna International Group, LLP93,203$2.45M0.00%+38,128+69.2%Added
Alden Global Capital LLC90,700$2.39M2.82%+90,700New
Bank of Montreal83,375$2.23M0.00%−83,308−50.0%Reduced
Jane Street Group, LLC83,344$2.19M0.00%+49,088+143.3%Added
Beck Capital Management, LLC82,073$2.16M0.66%+82,073New
Capital Fund Management S.A.80,578$2.12M0.06%+11,473+16.6%Added
EAM Global Investors LLC78,140$2.06M0.38%+78,140New
Barclays PLC77,785$2.05M0.00%−73,067−48.4%Reduced
Tudor Investment Corp Et Al76,999$2.03M0.05%−6,247−7.5%Reduced
UBS Group AG73,464$1.93M0.00%+65,678+843.5%Added
Wexford Capital LP72,181$1.90M0.40%+72,181New
UBS Asset Management Americas Inc69,667$1.83M0.00%+4,868+7.5%Added
California State Teachers Retirement System67,919$1.79M0.00%−5,847−7.9%Reduced
Alliancebernstein L.P.60,371$1.59M0.00%+42,554+238.8%Added
Allspring Global Investments Holdings, LLC59,098$1.55M0.00%−10.0%Reduced
Friess Associates LLC56,425$1.49M0.79%+56,425New
Ergoteles LLC54,558$1.44M0.05%+54,558New
Prudential Financial Inc52,980$1.39M0.00%−431−0.8%Reduced
HRT Financial LP51,809$1.36M0.01%+51,809New
SEI Investments Co47,432$1.27M0.00%+29,877+170.2%Added
Citigroup Inc47,634$1.25M0.00%−1,079−2.2%Reduced
Yousif Capital Management, LLC46,644$1.23M0.01%+874+1.9%Added
Great West Life Assurance Co43,709$1.18M0.00%−1,572−3.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys43,512$1.15M0.01%+5,365+14.1%Added
Boulder Hill Capital Management LP42,300$1.11M0.60%+42,300New
Comerica Bank44,087$1.09M0.01%+770+1.8%Added
Easterly Investment Partners LLC41,353$1.09M0.08%−3,000−6.8%Reduced
Thrivent Financial for Lutherans41,088$1.08M0.00%+130.0%Added
Price T Rowe Associates Inc38,726$1.02M0.00%−12,007−23.7%Reduced
Raymond James & Associates37,087$976.0K0.00%+37,087New
Royal Bank of Canada36,482$960.0K0.00%+6,860+23.2%Added
Texas Permanent School Fund35,782$941.0K0.01%−766−2.1%Reduced
State of Alaska, Department of Revenue35,114$923.0K0.01%−625−1.7%Reduced
First Trust Advisors LP33,186$873.0K0.00%+33,186New
Lazard Asset Management LLC31,347$824.0K0.00%+7,580+31.9%Added
State of Tennessee, Treasury Department30,913$814.0K0.00%+2,901+10.4%Added
American International Group, Inc.29,360$772.0K0.00%−1,805−5.8%Reduced