Jeremy Grantham's position in NorthWestern Energy Group is currently worth $37.8M. That's 0.09% of their equity portfolio (104th largest holding). The first NorthWestern Energy Group trade was made in Q2 2019. Since then Jeremy Grantham bought shares three more times and sold shares on two occasions. The stake costed the investor $34.4M, netting the investor a gain of 9.8% so far.