Holding/activity history for MDU Resources (MDU)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2016 Q1 | 0 | 0 | Sell 100.00% | 0.49 | |
| 2015 Q4 | 1,010,000 | 0.49 | Reduce 8.18% | 0.04 | $18.32 |
| 2015 Q3 | 1,100,000 | 0.52 | Reduce 19.12% | 0.12 | $17.20 |
| 2015 Q2 | 1,360,000 | 0.65 | $19.53 | ||
| 2015 Q1 | 1,360,000 | 0.69 | Add 2.30% | 0.02 | $21.34 |
| 2014 Q4 | 1,329,400 | 0.74 | Add 2.31% | 0.02 | $23.50 |
| 2014 Q3 | 1,299,400 | 0.90 | Add 44.47% | 0.28 | $27.81 |
| 2014 Q2 | 899,400 | 0.76 | $35.10 | ||
| 2014 Q1 | 899,400 | 0.77 | Add 38.37% | 0.21 | $34.31 |
| 2013 Q4 | 650,000 | 0.51 | Add 62.50% | 0.20 | $30.55 |
| 2013 Q3 | 400,000 | 0.32 | Buy | 0.32 | $27.97 |