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Security record · archived quarter

CENX

Century Aluminum Company · Basic Materials · Aluminum

31.42 -3.8% mkt cap $3.11B quote delayed (FMP) · as of Oct 23 22:08 UTC · separate from filing data below

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
108Tracked holders
+3Δ holders
48.84MShares held
$2.86BReported value
+8New positions
−5Exits
Rising Conviction score 62/100 6 quarters of rising tracked shares ●●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +2.9% · share flow +15.4% · net new positions +2.8% · formula
Broad accumulation: rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q3 2026 1 -1 1.09M $39.34M n/a −2
Q2 2026 110 +7 53.58M $2.47B +13 −8
Q1 2026 108 +3 48.84M $2.86B +8 −5
Q4 2025 104 +2 46.68M $1.83B +3 −1
Q3 2025 18 -2 28.46M $835.48M n/a −2
Q2 2025 17 +1 26.82M $483.25M +3 −2
Q1 2025 13 -2 9.28M $172.16M +1 −3
Q4 2024 15 -1 9.15M $166.76M +1 −2
Q3 2024 15 +1 4.94M $80.16M +2 −1
Q2 2024 14 n/a 5.53M $92.60M n/a n/a
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 9.01M -5.0% $528.82M 0.0% ▼ Trim 4 SEC ↗ ×13
2 State Street Global Advisors ✦ (passive) 4.67M +8.7% $273.94M 0.0% ▲ Add 6 SEC ↗
3 Fidelity (FMR) ✦ 2.66M +30454.3% $156.12M 0.0% ▲ Add 4 SEC ↗ ×5
4 Vanguard Capital Management Llc 2.59M n/a $151.78M 0.0% n/c 1 SEC ↗
5 Dimensional Fund Advisors Lp 2.19M -20.8% $128.55M 0.0% ▼ Trim 2 SEC ↗ ×5
6 Invesco Ltd. 2.08M +229.9% $121.87M 0.0% ▲ Add 2 SEC ↗ ×7
7 Millennium Management ✦ 1.99M +40.2% $116.65M 0.1% ▲ Add 8 SEC ↗
8 Assenagon Asset Management S.A. 1.83M +109.7% $107.42M 0.2% ▲ Add 2 SEC ↗
9 Morgan Stanley ✦ 1.59M -1.5% $93.04M 0.0% ▼ Trim 3 SEC ↗ ×9
10 Geode Capital Management ✦ (passive) 1.54M +16.8% $90.41M 0.0% ▲ Add 8 SEC ↗ ×2
11 D. E. Shaw & Co. ✦ 1.43M +20.4% $84.12M 0.1% ▲ Add 8 SEC ↗ ×2
12 Jane Street Group, Llc 1.32M +3081.6% $77.53M 0.1% ▲ Add 2 SEC ↗ ×3
13 Citadel Advisors ✦ 1.32M +89.5% $77.52M 0.1% ▲ Add 8 SEC ↗ ×2
14 Fisher Asset Management ✦ 851.30K -1.8% $49.96M 0.0% ▼ Trim 8 SEC ↗
15 MIRAE ASSET GLOBAL ETFS HOLDINGS… 800.13K -46.4% $46.95M 0.1% ▼ Trim 2 SEC ↗ ×2
16 Bridgewater Associates ✦ 732.52K +169.5% $42.99M 0.2% ▲ Add 2 SEC ↗
17 Bank Of America Corp /De/ 608.79K +98.0% $35.73M 0.0% ▲ Add 2 SEC ↗ ×4
18 Allspring Global Investments… 562.03K +23.3% $35.69M 0.1% ▲ Add 2 SEC ↗ ×3
19 Deutsche Bank Ag\ 598.02K +452.3% $35.10M 0.0% ▲ Add 2 SEC ↗ ×2
20 Qube Research & Technologies Ltd 589.93K -18.8% $34.62M 0.0% ▼ Trim 2 SEC ↗
21 UBS Group AG 586.77K -47.2% $34.44M 0.0% ▼ Trim 2 SEC ↗ ×2
22 Point72 Asset Management ✦ 569.45K +230.3% $33.42M 0.1% ▲ Add 2 SEC ↗
23 Northern Trust Corp 548.74K +5.2% $32.21M 0.0% ▲ Add 2 SEC ↗ ×5
24 Charles Schwab Investment… 544.51K +1.6% $31.96M 0.0% ▲ Add 2 SEC ↗
25 JPMorgan Chase ✦ 516.62K +141.2% $27.51M 0.0% ▲ Add 3 SEC ↗ ×5
26 Squarepoint Ops LLC 410.09K +1001.8% $24.07M 0.1% ▲ Add 2 SEC ↗
27 Goldman Sachs Group ✦ 379.15K -43.0% $22.25M 0.0% ▼ Trim 3 SEC ↗ ×2
28 Wellington Management ✦ 378.45K +91.3% $22.21M 0.0% ▲ Add 8 SEC ↗ ×4
29 Bank of New York Mellon Corp 335.86K +0.1% $19.71M 0.0% ▲ Add 2 SEC ↗ ×9
30 Boston Partners 309.90K -48.4% $18.19M 0.0% ▼ Trim 2 SEC ↗
31 Nuveen, LLC 308.98K +163.4% $18.13M 0.0% ▲ Add 2 SEC ↗ ×3
32 Tudor Investment Corp Et Al 279.16K -23.7% $16.38M 0.1% ▼ Trim 2 SEC ↗
33 Principal Financial Group Inc 260.43K -35.0% $15.28M 0.0% ▼ Trim 2 SEC ↗ ×2
34 American Century Companies Inc 232.03K -76.2% $13.62M 0.0% ▼ Trim 2 SEC ↗
35 Bank Of Montreal /Can/ 227.74K +560.7% $13.37M 0.0% ▲ Add 2 SEC ↗ ×5
36 Hrt Financial Lp 195.99K +166.7% $11.50M 0.0% ▲ Add 2 SEC ↗
37 Healthcare Of Ontario Pension Plan… 184.06K +219.6% $10.80M 0.0% ▲ Add 2 SEC ↗
38 AQR Capital Management ✦ 166.23K +154.6% $9.76M 0.0% ▲ Add 8 SEC ↗ ×6
39 First Eagle Investment Management… 163.09K -45.9% $9.57M 0.0% ▼ Trim 2 SEC ↗ ×2
40 Cibc World Market Inc. 160.63K New $9.43M 0.0% New 1 SEC ↗
41 Rhumbline Advisers 158.21K +4.5% $9.29M 0.0% ▲ Add 2 SEC ↗
42 Wells Fargo & Company/Mn 151.94K -26.5% $8.92M 0.0% ▼ Trim 2 SEC ↗ ×5
43 Barclays Plc 143.30K +36.7% $8.41M 0.0% ▲ Add 2 SEC ↗ ×3
44 Renaissance Technologies ✦ 139.50K +18.2% $8.19M 0.0% ▲ Add 4 SEC ↗
45 Franklin Resources Inc 124.82K +163.4% $7.33M 0.0% ▲ Add 2 SEC ↗ ×6
46 Bnp Paribas Financial Markets 113.25K +14.3% $6.65M 0.0% ▲ Add 2 SEC ↗
47 Legal & General Group Plc 112.56K -10.2% $6.61M 0.0% ▼ Trim 2 SEC ↗ ×2
48 Swiss National Bank 110.45K 0.0% $6.48M 0.0% Held 2 SEC ↗
49 Raymond James Financial Inc 109.59K -15.9% $6.43M 0.0% ▼ Trim 2 SEC ↗ ×3
50 Alliancebernstein L.P. 159.51K +111.8% $6.25M 0.0% ▲ Add 2 SEC ↗
51 Ameriprise Financial Inc 100.63K +3.2% $5.91M 0.0% ▲ Add 2 SEC ↗ ×3
52 State Of Wisconsin Investment Board 100.24K -42.4% $5.88M 0.0% ▼ Trim 2 SEC ↗
53 UBS AM, a distinct business unit of… 96.32K -87.1% $5.65M 0.0% ▼ Trim 2 SEC ↗ ×7
54 Balyasny Asset Management L.P. 95.07K New $5.58M 0.0% New 1 SEC ↗
55 Envestnet Asset Management Inc 82.82K +10.2% $4.86M 0.0% ▲ Add 2 SEC ↗
56 Susquehanna International Group, Llp 78.47K -62.7% $4.61M 0.0% ▼ Trim 2 SEC ↗
57 Neuberger Berman Group LLC 73.15K +471.2% $4.29M 0.0% ▲ Add 2 SEC ↗ ×2
58 Prudential Financial Inc 73.08K +45.4% $4.29M 0.0% ▲ Add 2 SEC ↗ ×2
59 Russell Investments Group, Ltd. 69.45K -53.0% $4.08M 0.0% ▼ Trim 2 SEC ↗ ×11
60 First Trust Advisors Lp 65.67K -32.6% $3.85M 0.0% ▼ Trim 2 SEC ↗
61 California State Teachers… 63.94K +24.8% $3.75M 0.0% ▲ Add 2 SEC ↗
62 Victory Capital Management Inc 63.83K -40.3% $3.75M 0.0% ▼ Trim 2 SEC ↗
63 T. Rowe Price ✦ 62.50K +20.8% $3.67M 0.0% ▲ Add 8 SEC ↗ ×2
64 Federated Hermes, Inc. 54.20K +7.5% $3.18M 0.0% ▲ Add 2 SEC ↗
65 Sei Investments Co 54.16K +2.5% $3.18M 0.0% ▲ Add 2 SEC ↗ ×2
66 New York State Common Retirement… 50.90K +3.6% $2.99M 0.0% ▲ Add 2 SEC ↗
67 LPL Financial LLC 45.65K -33.4% $2.68M 0.0% ▼ Trim 2 SEC ↗
68 Cetera Investment Advisers 43.61K +510.6% $2.56M 0.0% ▲ Add 2 SEC ↗
69 Zurcher Kantonalbank (Zurich… 32.05K +22.0% $1.88M 0.0% ▲ Add 2 SEC ↗
70 Creative Planning 29.23K +45.6% $1.72M 0.0% ▲ Add 2 SEC ↗
71 Canada Pension Plan Investment Board 28.50K +506.4% $1.67M 0.0% ▲ Add 2 SEC ↗
72 Manufacturers Life Insurance… 27.92K +8.7% $1.64M 0.0% ▲ Add 2 SEC ↗
73 Royal Bank Of Canada 27.80K -25.2% $1.63M 0.0% ▼ Trim 2 SEC ↗ ×3
74 Citigroup Inc 26.27K -0.4% $1.54M 0.0% ▼ Trim 2 SEC ↗ ×2
75 Aberdeen Group plc 25.59K -14.2% $1.50M 0.0% ▼ Trim 2 SEC ↗
76 Janus Henderson Group Plc 22.91K 0.0% $1.35M 0.0% Held 2 SEC ↗
77 Mml Investors Services, Llc 20.73K -10.5% $1.22M 0.0% ▼ Trim 2 SEC ↗
78 Truist Financial Corp 20.69K +160.4% $1.21M 0.0% ▲ Add 2 SEC ↗ ×2
79 State Board Of Administration Of… 18.41K 0.0% $1.08M 0.0% Held 2 SEC ↗
80 Voya Investment Management Llc 15.18K +60.6% $890,679 0.0% ▲ Add 2 SEC ↗
81 Hsbc Holdings Plc 14.50K -38.2% $860,081 0.0% ▼ Trim 2 SEC ↗
82 Fifth Third Bancorp 14.25K +6620.8% $836,203 0.0% ▲ Add 2 SEC ↗
83 Lido Advisors, LLC 13.09K +1.4% $768,311 0.0% ▲ Add 2 SEC ↗ ×3
84 Quantinno Capital Management LP 13.00K +25.0% $762,735 0.0% ▲ Add 2 SEC ↗
85 IMC-Chicago, LLC 12.68K -66.5% $744,189 0.0% ▼ Trim 2 SEC ↗
86 Massachusetts Financial Services Co… 12.50K New $733,449 0.0% New 1 SEC ↗
87 Jones Financial Companies Lllp 14.68K +6172.2% $728,713 0.0% ▲ Add 2 SEC ↗
88 BNP Paribas Asset Management… 12.03K +680.1% $705,981 0.0% ▲ Add 2 SEC ↗ ×3
89 Marshall Wace ✦ 11.75K +70.0% $689,842 0.0% ▲ Add 2 SEC ↗
90 Commonwealth Equity Services, Llc 11.07K +12.3% $649,870 0.0% ▲ Add 2 SEC ↗
91 Mercer Global Advisors Inc /Adv 10.69K +16.9% $627,279 0.0% ▲ Add 2 SEC ↗
92 Cerity Partners LLC 9.94K New $583,526 0.0% New 1 SEC ↗ ×2
93 Tidal Investments LLC 9.83K New $576,805 0.0% New 1 SEC ↗
94 Schroder Investment Management Group 10.58K n/a $563,598 0.0% n/c 1 SEC ↗ ×2
95 Pictet Asset Management Holding SA 9.59K +0.8% $562,661 0.0% ▲ Add 2 SEC ↗
96 Osaic Holdings, Inc. 9.02K -44.6% $529,370 0.0% ▼ Trim 2 SEC ↗ ×3
97 ProShare Advisors LLC 8.81K -14.2% $517,176 0.0% ▼ Trim 2 SEC ↗
98 Stifel Financial Corp 7.65K -10.5% $448,802 0.0% ▼ Trim 2 SEC ↗ ×2
99 HighTower Advisors, LLC 7.59K New $445,633 0.0% New 1 SEC ↗
100 Baird Financial Group, Inc. 5.47K -97.7% $321,210 0.0% ▼ Trim 2 SEC ↗ ×3

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

Exited

Walleye Trading LLC $9.82M was 0.2%
Adage Capital Partners $4.70M was 0.0%
Nomura Holdings Inc $3.11M was 0.0%
Parallax Volatility Advisers… $2.40M was 0.1%
Group One Trading Llc $26,760 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 378 holders, 99.93M shares, $5.79B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2026 · Methodology · Get this via the API