What does CUSIP 156431108 represent in this 13F holders report?

CUSIP 156431108 is the security identifier for CENX - CENTURY ALUMINUM CO - Common Stock used to aggregate holder disclosures.

How many institutions held CENX - CENTURY ALUMINUM CO - Common Stock in Q3 2015?

150 institutional investors reported CENX - CENTURY ALUMINUM CO - Common Stock for Q3 2015. Use the holders table for investor-level position and value details.

CENTURY ALUMINUM CO - Common Stock (CENX)

CUSIP: 156431108

Q3 2015 13F Holders as of 30 Sep 2015

Type / Class: Equity / Common Stock
Shares outstanding: 99,220,963
Total 13F shares: 58,971,650
Share change: -3,285,860
Total reported value: $271,162,133
Put/Call ratio: 86%
Price per share: $4.60
Number of holders: 150
Value change: -$44,054,832
Number of buys: 77
Number of sells: 102

Security key

156431108

Report period

Q3 2015

Institutions

150

Top holders

CENX full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2015 Previous quarter: Q2 2015 CENTURY ALUMINUM CO SEC filings CENTURY ALUMINUM CO company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 156431108

Newer quarter: Q4 2015 Previous quarter: Q2 2015

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top shareholders of CENX - CENTURY ALUMINUM CO - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

VANGUARD GROUP INC

13D/G signal

—

Evidence rows

Latest as of

30 Jun 2015

13F Lead comparable stake: 8.8% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
VANGUARD GROUP INC	13F Company 13F	8.8%	$91,211,000 8,745,123 shares	—	30 Jun 2015
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	7.3%	$75,601,000 7,248,233 shares	—	30 Jun 2015
CANADA PENSION PLAN INVESTMENT BOARD	13F Company 13F	3.8%	$39,532,000 3,790,202 shares	—	30 Jun 2015
NATIXIS	13F Company 13F	2.9%	$30,527,000 2,926,800 shares	—	30 Jun 2015
BlackRock Fund Advisors	13F Company 13F	2.9%	$29,980,000 2,874,393 shares	—	30 Jun 2015
ING GROEP NV	13F Company 13F	2%	$20,860,000 2,000,000 shares	—	30 Jun 2015
STATE STREET CORP	13F Company 13F	2%	$20,661,000 1,981,045 shares	—	30 Jun 2015
Impala Asset Management LLC	13F Company 13F	1.9%	$19,650,000 1,883,969 shares	—	30 Jun 2015

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
ROYCE & ASSOCIATES LP	13F Company 13F	1.6%	$16,921,000 1,622,387 shares	—	30 Jun 2015
PRUDENTIAL FINANCIAL INC	13F Company 13F	1.6%	$16,373,000 1,569,811 shares	—	30 Jun 2015
BANK OF MONTREAL /CAN/	13F Company 13F	1.5%	$15,448,000 1,481,085 shares	—	30 Jun 2015
BlackRock Institutional Trust Company, N.A.	13F Company 13F	1.3%	$13,140,000 1,259,821 shares	—	30 Jun 2015
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F Company 13F	1.1%	$11,124,000 1,066,548 shares	—	30 Jun 2015
MORGAN STANLEY	13F Company 13F	1.1%	$11,065,000 1,060,966 shares	—	30 Jun 2015
JENNISON ASSOCIATES LLC	13F Company 13F	0.96%	$9,932,000 952,285 shares	—	30 Jun 2015
OppenheimerFunds, Inc.	13F Company 13F	0.91%	$9,392,000 900,526 shares	—	30 Jun 2015
HSBC HOLDINGS PLC	13F Company 13F	0.85%	$8,794,000 843,169 shares	—	30 Jun 2015
MILLENNIUM MANAGEMENT LLC	13F Company 13F	0.85%	$8,769,000 840,765 shares	—	30 Jun 2015
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.76%	$7,859,000 753,636 shares	—	30 Jun 2015
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.76%	$7,854,000 752,956 shares	—	30 Jun 2015
CITADEL ADVISORS LLC	13F Company 13F	0.74%	$7,708,000 739,016 shares	—	30 Jun 2015
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F Company 13F	0.7%	$7,198,000 690,100 shares	—	30 Jun 2015
NORTHERN TRUST CORP	13F Company 13F	0.69%	$7,183,000 688,725 shares	—	30 Jun 2015
Bank of New York Mellon Corp	13F Company 13F	0.66%	$6,781,000 650,215 shares	—	30 Jun 2015
ACADIAN ASSET MANAGEMENT LLC	13F Company 13F	0.64%	$6,671,000 639,736 shares	—	30 Jun 2015
A.R.T. Advisors, LLC	13F Company 13F	0.61%	$6,285,000 602,675 shares	—	30 Jun 2015
AMERIPRISE FINANCIAL INC	13F Company 13F	0.57%	$5,947,000 570,340 shares	—	30 Jun 2015
Invesco Ltd.	13F Company 13F	0.42%	$4,374,000 419,282 shares	—	30 Jun 2015
AMERICAN CENTURY COMPANIES INC	13F Company 13F	0.39%	$4,070,000 390,197 shares	—	30 Jun 2015
HBK INVESTMENTS L P	13F Company 13F	0.39%	$4,013,000 384,784 shares	—	30 Jun 2015
Numeric Investors LLC	13F Company 13F	0.38%	$3,961,000 379,800 shares	—	30 Jun 2015
KENNEDY CAPITAL MANAGEMENT LLC	13F Company 13F	0.37%	$3,870,000 371,025 shares	—	30 Jun 2015
AQR CAPITAL MANAGEMENT LLC	13F Company 13F	0.37%	$3,849,000 369,060 shares	—	30 Jun 2015
SCHRODER INVESTMENT MANAGEMENT GROUP	13F Company 13F	0.37%	$3,895,000 368,200 shares	—	30 Jun 2015
QS Investors, LLC	13F Company 13F	0.34%	$3,531,000 338,500 shares	—	30 Jun 2015
NORGES BANK	13F Company 13F	0.34%	$3,484,000 334,041 shares	—	30 Jun 2015
PRINCIPAL FINANCIAL GROUP INC	13F Company 13F	0.32%	$3,334,000 319,651 shares	—	30 Jun 2015
DEUTSCHE BANK AG\	13F Company 13F	0.31%	$3,229,000 309,893 shares	—	30 Jun 2015
NEW YORK STATE COMMON RETIREMENT FUND	13F Company 13F	0.31%	$3,165,000 303,496 shares	—	30 Jun 2015
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F Company 13F	0.3%	$3,106,000 297,797 shares	—	30 Jun 2015
TIAA CREF INVESTMENT MANAGEMENT LLC	13F Company 13F	0.29%	$2,951,000 282,968 shares	—	30 Jun 2015
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F Company 13F	0.27%	$2,762,000 264,865 shares	—	30 Jun 2015
GABELLI FUNDS LLC	13F Company 13F	0.24%	$2,503,000 240,000 shares	—	30 Jun 2015
1832 Asset Management L.P.	13F Company 13F	0.23%	$2,420,000 232,300 shares	—	30 Jun 2015
Cambridge Investment Research Advisors, Inc.	13F Company 13F	0.22%	$2,325,000 222,922 shares	—	30 Jun 2015
VOYA INVESTMENT MANAGEMENT LLC	13F Company 13F	0.22%	$2,237,000 214,509 shares	—	30 Jun 2015
KBC Group NV	13F Company 13F	0.22%	$2,233,000 214,091 shares	—	30 Jun 2015
ELLINGTON MANAGEMENT GROUP LLC	13F Company 13F	0.21%	$2,212,000 212,109 shares	—	30 Jun 2015
TWO SIGMA ADVISERS, LP	13F Company 13F	0.21%	$2,172,000 208,212 shares	—	30 Jun 2015
BANK OF AMERICA CORP /DE/	13F Company 13F	0.21%	$2,123,000 203,576 shares	—	30 Jun 2015

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2015

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

150

58,971,650

Rows loaded

150

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. An asterisk next to the price means the price is likely invalid.

Compare Q3 2015 vs Q2 2015 Across Filers

Q2 2015 holders

186

Q3 2015 holders

150

Holder diff

-36

Investor	Q2 2015 Shares	Q3 2015 Shares	Share Diff	Share Chg %	Q2 2015 value	Q3 2015 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend