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CENX · Century Aluminum Co · Shareholders & Ownership

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$32.57 -1.95 (-5.65%)
Market Cap
$3.42B
Shares
98.99M
Volume · Oct 22 252.66K Avg daily vol (3M) 1.94M

Every disclosed holder of CENX in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns CENX

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 103,466,485 104.52%
Insiders (Forms 3, 4, 5) 0 0.00%
13D/G-only blocks 0 0.00%
Remaining 4,473,190 -4.52%
Registered funds (N-PORT, not summed) 32,907,772 33.24%

Shares outstanding: 98,993,295, the issuer's latest cover-page count restated onto today's split basis.

Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of CENX

# Holder Shares
1
Glencore plc
13F CIK 1521365 · Holding company · Sep 30, 2026
29,690,702
1.1
GLENCORE INTERNATIONAL AG
Insider CIK 1032383 · Mar 4, 2026
10% Owner, issuer-wide, not summed
12,184,755
2
BlackRock, Inc.
13G CIK 2012383 · Holding company · Sep 30, 2026
Rule 13d-1(b), qualified institution, not summed
10,395,973
2.1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
10,304,905
2.2
iShares Core S&P Small-Cap ETF
Fund S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,399,284
2.3
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,801,366
2.4
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
647,838
2.5
iShares S&P Small-Cap 600 Growth ETF
Fund S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
308,861
3
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
5,542,720
3.1
STATE STREET CORP
13G CIK 93751 · Bank · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
5,542,720
3.2
State Street(R) SPDR(R) S&P(R) Metals & Mining ETF
Fund S000012333 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
3,124,082
3.3
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
519,184
3.4
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
Fund S000006990 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
198,288
3.5
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
111,468
4
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,773,720
5
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,972,532
6
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,417,794
6.1
Invesco Discovery Fund
Fund S000064618 · Registered fund · May 31, 2026
AIM Counselor Series Trust (Invesco Counselor Series Trust), not summed
1,351,970
6.2
Invesco S&P SmallCap Momentum ETF
Fund S000003024 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
611,192
6.3
Invesco S&P SmallCap 600 Revenue ETF
Fund S000064596 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
48,446
6.4
Invesco Dorsey Wright SmallCap Momentum ETF
Fund S000037586 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
44,588
6.5
Invesco RAFI US 1500 Small-Mid ETF
Fund S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
43,377
7
Sourcerock Group LLC
13F CIK 1822531 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,266,085
8
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,211,502
8.1
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
414,877
8.2
U.S. MICRO CAP PORTFOLIO
Fund S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
345,214
8.3
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
318,491
8.4
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
207,093
8.5
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
140,150
9
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,198,725
10
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,960,353
10.1
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
767,080
10.2
Fidelity Stock Selector Small Cap Fund
Fund S000005453 · Registered fund · Jul 31, 2026
Fidelity Capital Trust, not summed
306,200
10.3
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
274,973
10.4
Fidelity Series Small Cap Opportunities Fund
Fund S000015587 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
194,000
10.5
Fidelity SAI Small-Mid Cap Momentum Index Fund
Fund S000050321 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
162,546
11
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,846,800
12
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,589,445
13
Fisher Asset Management, LLC
13F CIK 850529 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,534,405
14
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,510,756
14.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
89
15
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,116,217
16
Assenagon Asset Management S.A.
13F CIK 1546007 · Unknown · Sep 30, 2026
1,093,395
17
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,049,276
17.1
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
49,966
17.2
Goldman Sachs Small Cap Growth Insights Fund
Fund S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
26,782
17.3
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
15,000
17.4
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
8,956
17.5
Multi-Manager U.S. Small Cap Equity Fund
Fund S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
3,533
18
Impala Asset Management LLC
13F CIK 1317679 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,035,000
19
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
915,944
20
Encompass Capital Advisors LLC
13F CIK 1541901 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
900,000
21
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F CIK 1705339 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
870,850
21.1
Global X U.S. Infrastructure Development ETF
Fund S000056509 · Registered fund · May 31, 2026
GLOBAL X FUNDS, not summed
771,058
21.2
Global X Russell 2000 ETF
Fund S000085029 · Registered fund · Jul 31, 2026
GLOBAL X FUNDS, not summed
33,601
22
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
866,821
23
Boston Partners
13F CIK 1386060 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
854,095
24
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
847,459
25
Allspring Global Investments Holdings, LLC
13F CIK 1890906 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
827,031
25.1
Allspring Common Stock Fund
Fund S000007339 · Registered fund · Jun 30, 2026
ALLSPRING FUNDS TRUST, not summed
139,741
25.2
Allspring SMID Core ETF
Fund S000093515 · Registered fund · Jun 30, 2026
ALLSPRING EXCHANGE-TRADED FUNDS TRUST, not summed
46,064
25.3
Allspring Disciplined Small Cap Fund
Fund S000007342 · Registered fund · Jun 30, 2026
ALLSPRING FUNDS TRUST, not summed
18,307
26
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
795,738
27
Kinetic Partners Management, LP
13F CIK 1911448 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
776,700
28
Balyasny Asset Management L.P.
13F CIK 1218710 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
759,603
29
Merewether Investment Management, LP
13F CIK 1736852 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
693,537
30
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
682,075
30.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
35,511
30.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
12,166
30.3
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
8,375
31
Squarepoint Ops LLC
13F CIK 1642575 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
679,205
32
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
646,811
33
Woodline Partners LP
13F CIK 1784547 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
626,772
34
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
602,232
35
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
594,927
35.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
255,886
35.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
170,188
35.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
34,142
35.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
31,783
35.5
Schwab Small-Cap Equity Fund
Fund S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
19,775
36
WELLINGTON MANAGEMENT GROUP LLP
13F CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
548,898
37
BW Gestao de Investimentos Ltda.
13F CIK 1568280 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
523,162
38
Mountaineer Partners Management, LLC
13F CIK 1730532 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
503,309
39
Jefferies Financial Group Inc.
13F CIK 96223 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
486,175
40
Bridgewater Associates, LP
13F CIK 1350694 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
473,928
41
Column Small Cap Select Fund
Fund S000082920 · Registered fund · Aug 31, 2026
Trust for Professional Managers, not summed
460,672
42
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
456,244
42.1
MFS Blended Research Small Cap Equity Portfolio
Fund S000008071 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST III, not summed
9,033
42.2
MFS Blended Research Small Cap Equity Fund
Fund S000050659 · Registered fund · May 31, 2026
MFS SERIES TRUST X, not summed
7,133
42.3
MFS Mid Cap Growth Series
Fund S000002678 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST, not summed
5,711
43
Driehaus Capital Management LLC
13F CIK 938206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
455,982
43.1
Driehaus Small Cap Growth Fund
Fund S000058261 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
96,638
44
VANGUARD STRATEGIC EQUITY FUND
Fund S000002593 · Registered fund · Jun 30, 2026
VANGUARD HORIZON FUNDS, not summed
449,246
45
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
427,306
46
Gary Jesse E
Insider CIK 1568817 · Mar 16, 2026
Director, President and CEO, issuer-wide, not summed
419,807
47
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
403,628
47.1
BNY Mellon US Small Cap Core Equity ETF
Fund S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
2,583
48
VOLORIDGE INVESTMENT MANAGEMENT, LLC
13F CIK 1556921 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
392,989
49
Capital World Investors
13F CIK 1422849 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
391,417
50
SMALLCAP World Fund Inc
Fund S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
380,739

57 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 581 holders

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Key facts CIK 949157 CUSIP 156431108 13F (30d) 41 filings 41 filers Visit website Investor relations