Renaissance Technologies (RenTech)'s CIG Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 7.99 M shares of Companhia Energética de Minas Gerais - CEMIG (CIG) worth $19.11 M, representing 0.03% of the portfolio. First purchased in 2015-Q1, this long-term strategic position has been held for 41 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in CIG, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2019, adding 3.11 M shares. Largest reduction occurred in Q3 2021, reducing 3.83 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Companhia Energética de Minas Gerais - CEMIG (CIG) Holding Value Over Time
Track share changes against reported price movement
Quarterly Companhia Energética de Minas Gerais - CEMIG (CIG) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +608,101 | Add 8.23% | 7.99 M | $2.39 |
| Q4 2025 | -888,901 | Reduce 10.74% | 7.39 M | $2.00 |
| Q3 2025 | +928,300 | Add 12.64% | 8.27 M | $2.11 |
| Q2 2025 | +452,000 | Add 6.56% | 7.35 M | $1.96 |
| Q1 2025 | +836,051 | Add 13.80% | 6.89 M | $1.76 |
| Q4 2024 | -528,951 | Reduce 8.03% | 6.06 M | $1.77 |
| Q3 2024 | -162,799 | Reduce 2.41% | 6.59 M | $2.06 |
| Q2 2024 | -173,883 | Reduce 2.51% | 6.75 M | $1.76 |
| Q1 2024 | +87,750 | Add 1.28% | 6.92 M | $1.90 |
| Q4 2023 | +1 M | Add 17.15% | 6.84 M | $1.78 |
| Q3 2023 | +1.28 M | Add 28.00% | 5.84 M | $1.86 |
| Q2 2023 | +1.41 M | Add 44.80% | 4.56 M | $0.00 |
| Q1 2023 | +605,150 | Add 23.79% | 3.15 M | $0.00 |
| Q4 2022 | +202,188 | Add 8.64% | 2.54 M | $0.00 |
| Q3 2022 | +290,845 | Add 14.19% | 2.34 M | $1.55 |
| Q2 2022 | -418,073 | Reduce 16.94% | 2.05 M | $1.55 |
| Q1 2022 | -1.19 M | Reduce 32.50% | 2.47 M | $1.91 |
| Q4 2021 | +2.2 M | Add 150.51% | 3.66 M | $1.44 |
| Q3 2021 | -3.83 M | Reduce 72.39% | 1.46 M | $1.49 |
| Q2 2021 | +2.01 M | Add 61.21% | 5.29 M | $1.41 |
| Q1 2021 | +2.58 M | Add 370.50% | 3.28 M | $1.21 |
| Q4 2020 | +286,358 | Add 69.73% | 697,038 | $1.54 |
| Q3 2020 | -2.93 M | Reduce 87.69% | 410,680 | $0.99 |
| Q2 2020 | +715,615 | Add 27.29% | 3.34 M | $1.05 |
| Q1 2020 | -2.61 M | Reduce 49.91% | 2.62 M | $0.87 |
| Q4 2019 | -696,780 | Reduce 11.75% | 5.23 M | $1.75 |
| Q3 2019 | +852,949 | Add 16.80% | 5.93 M | $1.74 |
| Q2 2019 | +1.77 M | Add 53.49% | 5.08 M | $1.95 |
| Q1 2019 | +3.11 M | Add 1559.26% | 3.31 M | $1.83 |
| Q4 2018 | +199,386 | New Buy | 199,386 | $1.83 |
| Q2 2018 | -573,310 | Sold Out | 0 | $0.00 |
| Q1 2018 | -1.24 M | Reduce 68.38% | 573,310 | $1.32 |
| Q4 2017 | -28,668 | Reduce 1.56% | 1.81 M | $1.06 |
| Q3 2017 | -45,213 | Reduce 2.40% | 1.84 M | $1.23 |
| Q2 2017 | +1.89 M | New Buy | 1.89 M | $1.19 |
| Q3 2016 | -146,490 | Sold Out | 0 | $0.00 |
| Q2 2016 | +146,490 | New Buy | 146,490 | $1.10 |
| Q4 2015 | -193,037 | Sold Out | 0 | $0.00 |
| Q3 2015 | +193,037 | New Buy | 193,037 | $0.89 |
| Q2 2015 | -2.35 M | Sold Out | 0 | $0.00 |
| Q1 2015 | +2.35 M | New Buy | 2.35 M | $2.04 |
Renaissance Technologies (RenTech)'s Companhia Energética de Minas Gerais - CEMIG Investment FAQs
Renaissance Technologies (RenTech) first purchased Companhia Energética de Minas Gerais - CEMIG (CIG) in Q1 2015, acquiring 2,346,580 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 Companhia Energética de Minas Gerais - CEMIG (CIG) for 41 quarters since Q1 2015.
Renaissance Technologies (RenTech)'s largest addition to Companhia Energética de Minas Gerais - CEMIG (CIG) was in Q1 2019, adding 3,308,327 shares worth $6.05 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 7,993,849 shares of Companhia Energética de Minas Gerais - CEMIG (CIG), valued at approximately $19.11 M.
As of the Q1 2026 filing, Companhia Energética de Minas Gerais - CEMIG (CIG) represents approximately 0.03% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Companhia Energética de Minas Gerais - CEMIG (CIG) was 8,274,649 shares, as reported at the end of Q3 2025.