NATIONAL GRID PLC

Ticker: NGG CUSIP: 636274409 Class: SPONSORED ADR NE

HighVista Strategies LLC's Holding History (CIK: 0001335325)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017
Shares 27,200 Value ($000) $1,600 Avg Close — Range —
Q2 2017
Shares 27,043 Value ($000) $1,699 Avg Close — Range —