Cliff Asness's CENX Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 65,305 shares of Century Aluminum Company (CENX) worth $2.56 M, representing 0.00% of the portfolio. First purchased in 2012-Q4, this long-term strategic position has been held for 43 quarters.
Based on 13F filings since 2013, Cliff Asness has maintained a long-term strategic position in CENX, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2017, adding 265,717 shares. Largest reduction occurred in Q3 2018, reducing 352,528 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's Century Aluminum Company (CENX) Holding Value Over Time
Track share changes against reported price movement
Quarterly Century Aluminum Company (CENX) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -768 | Reduce 1.16% | 65,305 | $39.18 |
| Q3 2025 | +11,406 | Add 20.86% | 66,073 | $29.36 |
| Q2 2025 | +15,666 | Add 40.17% | 54,667 | $18.02 |
| Q1 2025 | +7,051 | Add 22.07% | 39,001 | $18.56 |
| Q4 2024 | +20,309 | Add 174.46% | 31,950 | $18.22 |
| Q3 2024 | -99,660 | Reduce 89.54% | 11,641 | $16.23 |
| Q2 2024 | +101,226 | Add 1004.72% | 111,301 | $16.75 |
| Q1 2024 | +10,075 | New Buy | 10,075 | $15.39 |
| Q2 2023 | -26,443 | Sold Out | 0 | $0.00 |
| Q1 2023 | -152,465 | Reduce 85.22% | 26,443 | $10.00 |
| Q4 2022 | +57,711 | Add 47.62% | 178,908 | $8.18 |
| Q3 2022 | +49,263 | Add 68.48% | 121,197 | $5.28 |
| Q2 2022 | +57,755 | Add 407.33% | 71,934 | $7.37 |
| Q1 2022 | -2,900 | Reduce 16.98% | 14,179 | $26.31 |
| Q4 2021 | +805 | Add 4.95% | 17,079 | $16.57 |
| Q3 2021 | -56,875 | Reduce 77.75% | 16,274 | $13.46 |
| Q2 2021 | -4,131 | Reduce 5.35% | 73,149 | $12.89 |
| Q1 2021 | +16,582 | Add 27.32% | 77,280 | $17.66 |
| Q4 2020 | +29,792 | Add 96.40% | 60,698 | $11.02 |
| Q3 2020 | +30,906 | New Buy | 30,906 | $7.12 |
| Q3 2018 | -352,528 | Sold Out | 0 | $0.00 |
| Q2 2018 | +111,187 | Add 46.07% | 352,528 | $15.75 |
| Q1 2018 | -86,135 | Reduce 26.30% | 241,341 | $16.54 |
| Q4 2017 | +265,717 | Add 430.25% | 327,476 | $19.64 |
| Q3 2017 | +1,853 | Add 3.09% | 61,759 | $16.58 |
| Q2 2017 | -4,905 | Reduce 7.57% | 59,906 | $15.57 |
| Q1 2017 | +1,397 | Add 2.20% | 64,811 | $12.68 |
| Q4 2016 | +49,231 | Add 347.11% | 63,414 | $8.56 |
| Q3 2016 | +14,183 | New Buy | 14,183 | $6.98 |
| Q1 2016 | -88,909 | Sold Out | 0 | $0.00 |
| Q4 2015 | -286,896 | Reduce 76.34% | 88,909 | $4.42 |
| Q3 2015 | +6,745 | Add 1.83% | 375,805 | $4.60 |
| Q2 2015 | +126,278 | Add 52.01% | 369,060 | $10.43 |
| Q1 2015 | +165,982 | Add 216.12% | 242,782 | $13.80 |
| Q4 2014 | -20,800 | Reduce 21.31% | 76,800 | $24.40 |
| Q3 2014 | -15,499 | Reduce 13.70% | 97,600 | $25.97 |
| Q2 2014 | -112,700 | Reduce 49.91% | 113,099 | $15.68 |
| Q1 2014 | -150,400 | Reduce 39.98% | 225,799 | $13.21 |
| Q4 2013 | -244,629 | Reduce 39.40% | 376,199 | $10.46 |
| Q3 2013 | +161,628 | Add 35.20% | 620,828 | $8.05 |
| Q2 2013 | +459,200 | Add 0.00% | 459,200 | $9.28 |
| Q4 2012 | +259,000 | Add 0.00% | 259,000 | $8.76 |
Cliff Asness's Century Aluminum Company Investment FAQs
Cliff Asness first purchased Century Aluminum Company (CENX) in Q4 2012, acquiring 259,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness has held Century Aluminum Company (CENX) for 43 quarters since Q4 2012.
Cliff Asness's largest addition to Century Aluminum Company (CENX) was in Q2 2013, adding 459,200 shares worth $4.26 M.
According to the latest 13F filing for Q4 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 65,305 shares of Century Aluminum Company (CENX), valued at approximately $2.56 M.
As of the Q4 2025 filing, Century Aluminum Company (CENX) represents approximately 0.00% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings.
Cliff Asness's peak holding in Century Aluminum Company (CENX) was 620,828 shares, as reported at the end of Q3 2013.