Jim Simons acquired 4.87 Million National Grid Plc - ADR shares worth $366 Million. That's 0.49% of their equity portfolio (30th largest holding). Jim Simons started to build up the position in National Grid Plc - ADR in Q2 2017 and continued to invest until Q1 2020. Since then they sold 2.14 Million shares. The stake costed the investor $288 Million, netting the investor a gain of 27% so far.