Renaissance Technologies (RenTech)'s MDU Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 929,844 shares of MDU Resources Group, Inc. (MDU) worth $19.27 M, representing 0.03% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 46 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in MDU, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2016, adding 915,600 shares. Largest reduction occurred in Q2 2016, reducing 814,000 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s MDU Resources Group (MDU) Holding Value Over Time
Track share changes against reported price movement
Quarterly MDU Resources Group (MDU) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +616,794 | Add 197.03% | 929,844 | $20.72 |
| Q4 2025 | +266,300 | Add 569.63% | 313,050 | $19.52 |
| Q3 2025 | -139,050 | Reduce 74.84% | 46,750 | $17.81 |
| Q2 2025 | -160,750 | Reduce 46.39% | 185,800 | $16.67 |
| Q1 2025 | +346,550 | New Buy | 346,550 | $16.91 |
| Q3 2024 | -26,527 | Sold Out | 0 | $0.00 |
| Q2 2024 | +26,527 | New Buy | 26,527 | $25.10 |
| Q1 2024 | -46,950 | Sold Out | 0 | $0.00 |
| Q4 2023 | -480,400 | Reduce 91.10% | 46,950 | $19.81 |
| Q3 2023 | +527,350 | New Buy | 527,350 | $19.58 |
| Q2 2023 | -126,700 | Sold Out | 0 | $0.00 |
| Q1 2023 | -44,300 | Reduce 25.91% | 126,700 | $0.03 |
| Q4 2022 | -95,850 | Reduce 35.92% | 171,000 | $0.03 |
| Q3 2022 | -346,800 | Reduce 56.51% | 266,850 | $27.35 |
| Q2 2022 | -416,800 | Reduce 40.45% | 613,650 | $26.99 |
| Q1 2022 | +509,900 | Add 97.95% | 1.03 M | $26.65 |
| Q4 2021 | +240,300 | Add 85.74% | 520,550 | $30.84 |
| Q3 2021 | +230,100 | Add 458.82% | 280,250 | $29.67 |
| Q2 2021 | +50,150 | New Buy | 50,150 | $31.35 |
| Q1 2021 | -41,700 | Sold Out | 0 | $0.00 |
| Q4 2020 | -363,850 | Reduce 89.72% | 41,700 | $26.33 |
| Q3 2020 | -549,083 | Reduce 57.52% | 405,550 | $22.50 |
| Q2 2020 | -772,000 | Reduce 44.71% | 954,633 | $22.18 |
| Q1 2020 | +470,238 | Add 37.43% | 1.73 M | $21.50 |
| Q4 2019 | +68,300 | Add 5.75% | 1.26 M | $29.71 |
| Q3 2019 | +247,045 | Add 26.25% | 1.19 M | $28.19 |
| Q2 2019 | +319,400 | Add 51.38% | 941,050 | $25.80 |
| Q1 2019 | -34,100 | Reduce 5.20% | 621,650 | $25.83 |
| Q4 2018 | +76,700 | Add 13.25% | 655,750 | $23.84 |
| Q3 2018 | +187,700 | Add 47.96% | 579,050 | $25.69 |
| Q2 2018 | +351,350 | Add 878.38% | 391,350 | $28.68 |
| Q1 2018 | +40,000 | New Buy | 40,000 | $28.15 |
| Q4 2016 | -50,400 | Sold Out | 0 | $0.00 |
| Q3 2016 | -106,750 | Reduce 67.93% | 50,400 | $25.44 |
| Q2 2016 | -814,000 | Reduce 83.82% | 157,150 | $24.00 |
| Q1 2016 | +915,600 | Add 1648.24% | 971,150 | $19.46 |
| Q4 2015 | +55,550 | New Buy | 55,550 | $18.33 |
| Q2 2015 | -266,350 | Sold Out | 0 | $0.00 |
| Q1 2015 | -252,100 | Reduce 48.63% | 266,350 | $21.34 |
| Q4 2014 | -110,100 | Reduce 17.52% | 518,450 | $23.50 |
| Q3 2014 | +111,300 | Add 21.52% | 628,550 | $27.81 |
| Q2 2014 | +34,462 | Add 7.14% | 517,250 | $35.10 |
| Q1 2014 | +307,138 | Add 174.86% | 482,788 | $34.31 |
| Q4 2013 | -49,300 | Reduce 21.92% | 175,650 | $30.55 |
| Q3 2013 | -131,200 | Reduce 36.84% | 224,950 | $27.97 |
| Q2 2013 | +356,150 | Add 0.00% | 356,150 | $25.91 |
Renaissance Technologies (RenTech)'s MDU Resources Group Investment FAQs
Renaissance Technologies (RenTech) first purchased MDU Resources Group, Inc. (MDU) in Q2 2013, acquiring 356,150 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 MDU Resources Group, Inc. (MDU) for 46 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to MDU Resources Group, Inc. (MDU) was in Q1 2016, adding 971,150 shares worth $18.9 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 929,844 shares of MDU Resources Group, Inc. (MDU), valued at approximately $19.27 M.
As of the Q1 2026 filing, MDU Resources Group, Inc. (MDU) 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 MDU Resources Group, Inc. (MDU) was 1,726,633 shares, as reported at the end of Q1 2020.