Renaissance Technologies (RenTech)'s KALU Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 33,814 shares of Kaiser Aluminum Corporation (KALU) worth $4.07 M, representing 0.01% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 48 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in KALU, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2015, adding 107,000 shares. Largest reduction occurred in Q4 2020, reducing 153,148 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Kaiser Aluminum Corporation (KALU) Holding Value Over Time
Track share changes against reported price movement
Quarterly Kaiser Aluminum Corporation (KALU) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +26,514 | Add 363.21% | 33,814 | $120.51 |
| Q4 2025 | +900 | Add 14.06% | 7,300 | $114.86 |
| Q3 2025 | -41,900 | Reduce 86.75% | 6,400 | $77.16 |
| Q2 2025 | +27,100 | Add 127.83% | 48,300 | $79.90 |
| Q1 2025 | +21,200 | New Buy | 21,200 | $60.62 |
| Q4 2024 | -48,100 | Sold Out | 0 | $0.00 |
| Q3 2024 | +43,000 | Add 843.14% | 48,100 | $72.52 |
| Q2 2024 | +5,100 | New Buy | 5,100 | $87.90 |
| Q1 2023 | -9,200 | Sold Out | 0 | $0.00 |
| Q4 2022 | -72,800 | Reduce 88.78% | 9,200 | $0.08 |
| Q3 2022 | +11,400 | Add 16.15% | 82,000 | $61.35 |
| Q2 2022 | +65,600 | Add 1312.00% | 70,600 | $79.09 |
| Q1 2022 | -20,600 | Reduce 80.47% | 5,000 | $94.20 |
| Q4 2021 | -49,500 | Reduce 65.91% | 25,600 | $93.95 |
| Q3 2021 | -56,300 | Reduce 42.85% | 75,100 | $108.96 |
| Q2 2021 | -65,300 | Reduce 33.20% | 131,400 | $123.49 |
| Q1 2021 | -47,052 | Reduce 19.30% | 196,700 | $110.50 |
| Q4 2020 | -153,148 | Reduce 38.59% | 243,752 | $98.90 |
| Q3 2020 | +83,100 | Add 26.48% | 396,900 | $53.59 |
| Q2 2020 | -66,300 | Reduce 17.44% | 313,800 | $73.62 |
| Q1 2020 | +83,700 | Add 28.24% | 380,100 | $69.28 |
| Q4 2019 | -27,800 | Reduce 8.57% | 296,400 | $110.89 |
| Q3 2019 | -4,800 | Reduce 1.46% | 324,200 | $98.97 |
| Q2 2019 | -25,000 | Reduce 7.06% | 329,000 | $97.61 |
| Q1 2019 | +72,400 | Add 25.71% | 354,000 | $104.73 |
| Q4 2018 | +47,400 | Add 20.24% | 281,600 | $89.29 |
| Q3 2018 | +21,800 | Add 10.26% | 234,200 | $109.06 |
| Q2 2018 | +4,000 | Add 1.92% | 212,400 | $104.11 |
| Q1 2018 | +59,900 | Add 40.34% | 208,400 | $100.90 |
| Q4 2017 | -47,800 | Reduce 24.35% | 148,500 | $106.85 |
| Q3 2017 | -2,100 | Reduce 1.06% | 196,300 | $103.14 |
| Q2 2017 | -18,900 | Reduce 8.70% | 198,400 | $88.52 |
| Q1 2017 | -33,700 | Reduce 13.43% | 217,300 | $79.90 |
| Q4 2016 | -45,300 | Reduce 15.29% | 251,000 | $77.69 |
| Q3 2016 | -75,800 | Reduce 20.37% | 296,300 | $86.49 |
| Q2 2016 | -20,800 | Reduce 5.29% | 372,100 | $90.41 |
| Q1 2016 | +45,700 | Add 13.16% | 392,900 | $84.54 |
| Q4 2015 | +69,800 | Add 25.16% | 347,200 | $83.66 |
| Q3 2015 | +107,000 | Add 62.79% | 277,400 | $80.25 |
| Q2 2015 | +83,500 | Add 96.09% | 170,400 | $83.08 |
| Q1 2015 | +58,300 | Add 203.85% | 86,900 | $76.89 |
| Q4 2014 | +21,800 | Add 320.59% | 28,600 | $71.43 |
| Q3 2014 | +6,800 | New Buy | 6,800 | $76.18 |
| Q2 2014 | -55,600 | Sold Out | 0 | $0.00 |
| Q1 2014 | -57,500 | Reduce 50.84% | 55,600 | $71.42 |
| Q4 2013 | +57,400 | Add 103.05% | 113,100 | $70.24 |
| Q3 2013 | +11,800 | Add 26.88% | 55,700 | $71.26 |
| Q2 2013 | +43,900 | Add 0.00% | 43,900 | $61.94 |
Renaissance Technologies (RenTech)'s Kaiser Aluminum Corporation Investment FAQs
Renaissance Technologies (RenTech) first purchased Kaiser Aluminum Corporation (KALU) in Q2 2013, acquiring 43,900 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Kaiser Aluminum Corporation (KALU) for 48 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to Kaiser Aluminum Corporation (KALU) was in Q3 2015, adding 277,400 shares worth $22.26 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 33,814 shares of Kaiser Aluminum Corporation (KALU), valued at approximately $4.07 M.
As of the Q1 2026 filing, Kaiser Aluminum Corporation (KALU) represents approximately 0.01% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Kaiser Aluminum Corporation (KALU) was 396,900 shares, as reported at the end of Q3 2020.