世紀鋁業公司
DE ˙ DB ˙ US1564311082
€56.08 ↓ -1.98 (-3.41%)
2026-05-29
分享價格
SecurityDE:EY3 / Century Aluminum Company
InstitutionBarclays Plc
Latest Disclosed Ownership104,819 shares
Latest Disclosed Value $ 4,106,808
Barclays Plc ownership in EY3 / Century Aluminum Company

On February 13, 2026 - Barclays Plc filed a 13F-HR form disclosing ownership of 104,819 shares of Century Aluminum Company (DE:EY3) valued at $3,439,111 USD as of December 31, 2025. The entity filed a previous 13F-HR/A on March 31, 2026 disclosing 86,330 shares of Century Aluminum Company. This represents a change in shares of 21.42% during the quarter. The current value of the position is $5,878,250 USD.

Barclays Plc has a history of taking positions in derivatives of the underlying security (EY3) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

DE:EY3 / Century Aluminum Company Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-02-13 2025-12-31 13F CENTURY ALUM COM 156431108 104,819 18,489 21.42 4,107 62.04 0.0010
2026-03-31 2025-09-30 13F/A-3 CENTURY ALUM COM 156431108 86,330 -18,435 -17.60 2,535 34.29 0.0005
2026-03-19 2025-09-30 13F/A-2 CENTURY ALUM COM 156431108 97,396 -7,369 1,581 0.0004
2025-11-12 2025-09-30 13F CENTURY ALUM COM 156431108 86,330 -18,435 2,535 0.0005
2026-02-27 2025-06-30 13F/A-2 CENTURY ALUM COM 156431108 104,765 10,312 10.92 1,888 7.64 0.0004
2025-08-14 2025-06-30 13F/A-1 CENTURY ALUM COM 156431108 104,765 10,312 2 0.0004
2025-08-13 2025-06-30 13F CENTURY ALUM COM 156431108 104,765 10,312 2 0.0001
2026-03-17 2025-03-31 13F/A-1 CENTURY ALUM COM 156431108 94,453 -5,465 -5.47 1,753 -3.68 0.0005
2025-05-15 2025-03-31 13F CENTURY ALUM COM 156431108 94,453 -5,465 2 0.0005
2026-03-19 2024-12-31 13F/A-1 CENTURY ALUM COM 156431108 99,918 2,522 2.59 1,821 15.19 0.0005
2025-02-13 2024-12-31 13F CENTURY ALUM COM 156431108 99,918 2,522 2 0.0005
2026-03-31 2024-09-30 13F/A-2 CENTURY ALUM COM 156431108 97,396 70,825 266.55 1,581 255.06 0.0004
2024-11-19 2024-09-30 13F/A-1 CENTURY ALUM COM 156431108 97,396 70,825 2 0.0004
2024-11-15 2024-09-30 13F CENTURY ALUM COM 156431108 97,396 70,825 2 0.0001
2026-03-23 2024-06-30 13F/A-1 CENTURY ALUM COM 156431108 26,571 -23,192 -46.60 445 -41.83 0.0001
2024-08-14 2024-06-30 13F CENTURY ALUM COM 156431108 26,571 -23,192 0 0.0001
2026-03-24 2024-03-31 13F/A-1 CENTURY ALUM COM 156431108 49,763 -33,708 -40.38 766 -24.48 0.0003
2024-05-15 2024-03-31 13F CENTURY ALUM COM 156431108 49,763 -33,708 1 0.0003
2026-03-25 2023-12-31 13F/A-1 CENTURY ALUM COM 156431108 83,471 34,206 69.43 1,013 186.16 0.0004
2024-02-15 2023-12-31 13F CENTURY ALUM COM 156431108 83,471 34,206 1 0.0004
2026-03-26 2023-09-30 13F/A-1 CENTURY ALUM COM 156431108 49,265 -90,125 -64.66 354 -70.86 0.0002
2023-11-07 2023-09-30 13F CENTURY ALUM COM 156431108 49,265 -90,125 0 0.0002
2026-03-30 2023-06-30 13F/A-2 CENTURY ALUM COM 156431108 139,390 -25,931 -15.69 1,215 -26.50 0.0008
2023-09-20 2023-06-30 13F/A-1 CENTURY ALUM COM 156431108 139,390 -25,931 1 0.0008
2023-08-03 2023-06-30 13F CENTURY ALUM COM 156431108 139,390 -25,931 1 0.0008
2026-03-30 2023-03-31 13F/A-1 CENTURY ALUM COM 156431108 165,321 125,396 314.08 1,653 407.06 0.0008
2023-05-04 2023-03-31 13F CENTURY ALUM COM 156431108 165,321 125,396 2 0.0008
2026-03-30 2022-12-31 13F/A-1 CENTURY ALUM COM 156431108 39,925 26,575 199.06 327 359.15 0.0001
2023-02-13 2022-12-31 13F CENTURY ALUM COM 156431108 39,925 26,575 0 0.0001
2022-11-03 2022-09-30 13F CENTURY ALUM COM 156431108 13,350 -5,195 -28.01 71 -47.79 0.0001
2022-08-12 2022-06-30 13F CENTURY ALUM COM 156431108 18,545 -59,240 -76.16 136 -93.36 0.0001
2022-05-16 2022-03-31 13F CENTURY ALUM COM 156431108 77,785 -73,067 -48.44 2,047 -18.09 0.0016
2022-02-23 2021-12-31 13F/A-1 CENTURY ALUM COM 156431108 150,852 29,812 24.63 2,499 53.41 0.0009
2022-02-14 2021-12-31 13F CENTURY ALUM COM 156431108 150,852 29,812 2,499 0.0003
2021-11-09 2021-09-30 13F CENTURY ALUM COM 156431108 121,040 75,540 166.02 1,629 177.04 0.0007
2021-08-13 2021-06-30 13F CENTURY ALUM COM 156431108 45,500 -17,537 -27.82 588 -47.17 0.0003
2021-05-13 2021-03-31 13F CENTURY ALUM COM 156431108 63,037 -157,779 -71.45 1,113 -54.31 0.0006
2021-02-11 2020-12-31 13F CENTURY ALUM COM 156431108 220,816 159,731 261.49 2,436 460.00 0.0013
2020-11-12 2020-09-30 13F CENTURY ALUM COM 156431108 61,085 15,060 32.72 435 33.03 0.0003
2020-08-12 2020-06-30 13F CENTURY ALUM COM 156431108 46,025 -633 -1.36 327 94.64 0.0003
2020-05-13 2020-03-31 13F CENTURY ALUM COM 156431108 46,658 -55,393 -54.28 168 -78.07 0.0001
2020-02-10 2019-12-31 13F CENTURY ALUM COM 156431108 102,051 31,998 45.68 766 64.73 0.0004
2019-11-15 2019-09-30 13F/A-1 CENTURY ALUM COM 156431108 70,053 -179,512 -71.93 465 -73.04 0.0003
2019-11-14 2019-09-30 13F CENTURY ALUM COM 156431108 70,053 -179,512 465 107.5085
2019-08-14 2019-06-30 13F CENTURY ALUM COM 156431108 249,565 178,948 253.41 1,725 175.12 0.0011
2019-05-15 2019-03-31 13F CENTURY ALUM COM 156431108 70,617 25,368 56.06 627 90.00 0.0004
2019-02-14 2018-12-31 13F CENTURY ALUM COM 156431108 45,249 -72,239 -61.49 330 -76.53 0.0003
2018-11-14 2018-09-30 13F CENTURY ALUM COM 156431108 117,488 60,303 105.45 1,406 56.05 0.0010
2018-08-14 2018-06-30 13F CENTURY ALUM COM 156431108 57,185 -8,242 -12.60 901 -16.73 0.0008
2018-05-15 2018-03-31 13F CENTURY ALUM COM 156431108 65,427 37,659 135.62 1,082 98.53 0.0008
2018-02-14 2017-12-31 13F CENTURY ALUM COM 156431108 27,768 -94,872 -77.36 545 -73.19 0.0004
2017-11-14 2017-09-30 13F CENTURY ALUM COM 156431108 122,640 -22,815 -15.69 2,033 -10.28 0.0021
2017-08-14 2017-06-30 13F CENTURY ALUM COM 156431108 145,455 137,650 1,763.61 2,266 2,212.24 0.0024
2017-05-15 2017-03-31 13F CENTURY ALUM COM 156431108 7,805 -26,055 -76.95 98 -66.09 0.0001
2017-02-14 2016-12-31 13F CENTURY ALUM COM 156431108 33,860 -34,046 -50.14 289 -38.77 0.0003
2016-11-14 2016-09-30 13F CENTURY ALUM COM 156431108 67,906 483 0.72 472 10.54 0.0005
2016-08-12 2016-06-30 13F CENTURY ALUM COM 156431108 67,423 739 1.11 427 -8.37 0.0006
2016-05-16 2016-03-31 13F CENTURY ALUM COM 156431108 66,684 -104,516 -61.05 466 -31.97 0.0007
2016-02-12 2015-12-31 13F CENTURY ALUM COM 156431108 171,200 -171,775 -50.08 685 -50.07 0.0008
2015-11-13 2015-09-30 13F CENTURY ALUM COM 156431108 342,975 216,464 171.10 1,372 8.37 0.0017
2015-08-14 2015-06-30 13F CENTURY ALUM COM 156431108 126,511 124,966 8,088.41 1,266 6,230.00 0.0014
2015-05-19 2015-03-31 13F/A-1 CENTURY ALUM COM 156431108 1,545 -5,187 -77.05 20 -87.58 0.0000
2015-05-14 2015-03-31 13F CENTURY ALUM COM 156431108 1,545 20
2015-02-13 2014-12-31 13F CENTURY ALUM COM 156431108 6,732 -70,319 -91.26 161 -91.64 0.0002
2014-11-14 2014-09-30 13F CENTURY ALUM COM 156431108 77,051 46,551 152.63 1,925 320.31 0.0019
2014-08-14 2014-06-30 13F CENTURY ALUM COM 156431108 30,500 -5,608 -15.53 458 -2.14 0.0005
2014-05-15 2014-03-31 13F CENTURY ALUM COM 156431108 36,108 -3,939 -9.84 468 17.00 0.0005
2014-02-13 2013-12-31 13F CENTURY ALUM COM 156431108 40,047 2,727 7.31 400 34.23 0.0004
2013-11-14 2013-09-30 13F CENTURY ALUM COM 156431108 37,320 -1,363 -3.52 298 -16.99 0.0004
2013-08-14 2013-06-30 13F CENTURY ALUM COM 156431108 38,683 38,683 359 0.0004
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2022-02-23 2021-12-31 13F/A CENTURY ALUM OPT Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-02-14 2021-12-31 13F CENTURY ALUM OPT Call 0 0 n/a n/a n/a
2021-11-09 2021-09-30 13F CENTURY ALUM OPT Call 81,500 1,096 n/a n/a n/a
2020-08-12 2020-06-30 13F CENTURY ALUM OPT Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-05-13 2020-03-31 13F CENTURY ALUM OPT Call 9,200 -35.66 33 -69.16 n/a n/a n/a
2020-02-10 2019-12-31 13F CENTURY ALUM OPT Call 14,300 -68.50 107 -64.45 n/a n/a n/a
2019-11-15 2019-09-30 13F/A CENTURY ALUM OPT Call 45,400 108.26 301 99.34 n/a n/a n/a
2019-11-14 2019-09-30 13F CENTURY ALUM OPT Call 45,400 301 n/a n/a n/a
2019-08-14 2019-06-30 13F CENTURY ALUM OPT Call 21,800 28.24 151 0.00 n/a n/a n/a
2019-05-15 2019-03-31 13F CENTURY ALUM OPT Call 17,000 71.72 151 109.72 n/a n/a n/a
2019-02-14 2018-12-31 13F CENTURY ALUM OPT Call 9,900 -29.29 72 -57.14 n/a n/a n/a
2018-11-14 2018-09-30 13F CENTURY ALUM OPT Call 14,000 211.11 168 136.62 n/a n/a n/a
2018-08-14 2018-06-30 13F CENTURY ALUM OPT Call 4,500 -85.20 71 -85.88 n/a n/a n/a
2018-05-15 2018-03-31 13F CENTURY ALUM OPT Call 30,400 90.00 503 60.19 n/a n/a n/a
2018-02-14 2017-12-31 13F CENTURY ALUM OPT Call 16,000 -2.44 314 15.44 n/a n/a n/a
2017-11-14 2017-09-30 13F CENTURY ALUM OPT Call 16,400 110.26 272 122.95 n/a n/a n/a
2017-08-14 2017-06-30 13F CENTURY ALUM OPT Call 7,800 -83.95 122 -80.23 n/a n/a n/a
2017-05-15 2017-03-31 13F CENTURY ALUM OPT Call 48,600 235.17 617 397.58 n/a n/a n/a
2017-02-14 2016-12-31 13F CENTURY ALUM OPT Call 14,500 7.41 124 31.91 n/a n/a n/a
2016-11-14 2016-09-30 13F CENTURY ALUM OPT Call 13,500 13.45 94 25.33 n/a n/a n/a
2016-08-12 2016-06-30 13F CENTURY ALUM OPT Call 11,900 -61.36 75 -65.28 n/a n/a n/a
2016-05-16 2016-03-31 13F CENTURY ALUM OPT Call 30,800 47.37 216 157.14 n/a n/a n/a
2016-02-12 2015-12-31 13F CENTURY ALUM OPT Call 20,900 326.53 84 320.00 n/a n/a n/a
2015-11-13 2015-09-30 13F CENTURY ALUM OPT Call 4,900 -95.53 20 -98.18 n/a n/a n/a
2015-08-14 2015-06-30 13F CENTURY ALUM OPT Call 109,700 3,328.12 1,097 2,511.90 n/a n/a n/a
2015-05-19 2015-03-31 13F/A CENTURY ALUM OPT Call 3,200 -97.11 42 -98.42 n/a n/a n/a
2015-05-14 2015-03-31 13F CENTURY ALUM OPT Call 3,200 42 n/a n/a n/a
2015-02-13 2014-12-31 13F CENTURY ALUM OPT Call 110,800 10.69 2,659 6.23 n/a n/a n/a
2014-11-14 2014-09-30 13F CENTURY ALUM OPT Call 100,100 357.08 2,503 660.79 n/a n/a n/a
2014-08-14 2014-06-30 13F CENTURY ALUM OPT Call 21,900 -11.69 329 2.17 n/a n/a n/a
2014-05-15 2014-03-31 13F CENTURY ALUM OPT Call 24,800 195.24 322 283.33 n/a n/a n/a
2014-02-13 2013-12-31 13F CENTURY ALUM OPT Call 8,400 -23.64 84 -4.55 n/a n/a n/a
2013-11-14 2013-09-30 13F CENTURY ALUM OPT Call 11,000 -43.59 88 -51.38 n/a n/a n/a
2013-08-14 2013-06-30 13F CENTURY ALUM OPT Call 19,500 181 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2022-02-23 2021-12-31 13F/A CENTURY ALUM OPT Put 0 -100.00 0 -100.00 n/a n/a n/a
2022-02-14 2021-12-31 13F CENTURY ALUM OPT Put 0 0 n/a n/a n/a
2021-11-09 2021-09-30 13F CENTURY ALUM OPT Put 102,000 1,372 n/a n/a n/a
2020-08-12 2020-06-30 13F CENTURY ALUM OPT Put 0 -100.00 0 -100.00 n/a n/a n/a
2020-05-13 2020-03-31 13F CENTURY ALUM OPT Put 5,400 58.82 20 -23.08 n/a n/a n/a
2020-02-10 2019-12-31 13F CENTURY ALUM OPT Put 3,400 -39.29 26 -29.73 n/a n/a n/a
2019-11-15 2019-09-30 13F/A CENTURY ALUM OPT Put 5,600 -26.32 37 -30.19 n/a n/a n/a
2019-11-14 2019-09-30 13F CENTURY ALUM OPT Put 5,600 37 n/a n/a n/a
2019-08-14 2019-06-30 13F CENTURY ALUM OPT Put 7,600 -46.85 53 -58.27 n/a n/a n/a
2019-05-15 2019-03-31 13F CENTURY ALUM OPT Put 14,300 -67.35 127 -60.31 n/a n/a n/a
2019-02-14 2018-12-31 13F CENTURY ALUM OPT Put 43,800 -10.25 320 -45.21 n/a n/a n/a
2018-11-14 2018-09-30 13F CENTURY ALUM OPT Put 48,800 113.10 584 61.77 n/a n/a n/a
2018-08-14 2018-06-30 13F CENTURY ALUM OPT Put 22,900 30.86 361 24.91 n/a n/a n/a
2018-05-15 2018-03-31 13F CENTURY ALUM OPT Put 17,500 -2.78 289 -18.36 n/a n/a n/a
2018-02-14 2017-12-31 13F CENTURY ALUM OPT Put 18,000 153.52 354 200.00 n/a n/a n/a
2017-11-14 2017-09-30 13F CENTURY ALUM OPT Put 7,100 115.15 118 131.37 n/a n/a n/a
2017-08-14 2017-06-30 13F CENTURY ALUM OPT Put 3,300 65.00 51 104.00 n/a n/a n/a
2017-05-15 2017-03-31 13F CENTURY ALUM OPT Put 2,000 -66.67 25 -50.98 n/a n/a n/a
2017-02-14 2016-12-31 13F CENTURY ALUM OPT Put 6,000 -78.42 51 -73.58 n/a n/a n/a
2016-11-14 2016-09-30 13F CENTURY ALUM OPT Put 27,800 131.67 193 153.95 n/a n/a n/a
2016-08-12 2016-06-30 13F CENTURY ALUM OPT Put 12,000 -50.82 76 -55.56 n/a n/a n/a
2016-05-16 2016-03-31 13F CENTURY ALUM OPT Put 24,400 190.48 171 402.94 n/a n/a n/a
2016-02-12 2015-12-31 13F CENTURY ALUM OPT Put 8,400 -31.71 34 -30.61 n/a n/a n/a
2015-11-13 2015-09-30 13F CENTURY ALUM OPT Put 12,300 -93.49 49 -97.41 n/a n/a n/a
2015-08-14 2015-06-30 13F CENTURY ALUM OPT Put 188,900 9,842.11 1,889 7,456.00 n/a n/a n/a
2015-05-19 2015-03-31 13F/A CENTURY ALUM OPT Put 1,900 -84.68 25 -91.61 n/a n/a n/a
2015-05-14 2015-03-31 13F CENTURY ALUM OPT Put 1,900 25 n/a n/a n/a
2015-02-13 2014-12-31 13F CENTURY ALUM OPT Put 12,400 4,033.33 298 3,625.00 n/a n/a n/a
2014-11-14 2014-09-30 13F CENTURY ALUM OPT Put 300 -97.74 8 -96.00 n/a n/a n/a
2014-08-14 2014-06-30 13F CENTURY ALUM OPT Put 13,300 27.88 200 48.15 n/a n/a n/a
2014-05-15 2014-03-31 13F CENTURY ALUM OPT Put 10,400 -23.53 135 -0.74 n/a n/a n/a
2014-02-13 2013-12-31 13F CENTURY ALUM OPT Put 13,600 -59.88 136 -49.82 n/a n/a n/a
2013-11-14 2013-09-30 13F CENTURY ALUM OPT Put 33,900 126.00 271 94.96 n/a n/a n/a
2013-08-14 2013-06-30 13F CENTURY ALUM OPT Put 15,000 139 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.