NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

THORNBURG INVESTMENT MANAGEMENT INC's Holding History (CIK: 0001145020)

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

Q1 2017
Shares 400,711 Value ($000) $25,437 Avg Close — Range —
Q4 2016
Shares 187,060 Value ($000) $10,911 Avg Close — Range —
Q4 2015
Shares 272,038 Value ($000) $18,918 Avg Close — Range —
Q3 2015
Shares 288,870 Value ($000) $20,114 Avg Close — Range —
Q2 2015
Shares 455,813 Value ($000) $29,432 Avg Close — Range —