NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q1 2017
Shares 241,257 Value ($000) $15,315 Avg Close — Range —
Q4 2016
Shares 202,783 Value ($000) $11,828 Avg Close — Range —
Q3 2016
Shares 336,672 Value ($000) $23,941 Avg Close — Range —
Q2 2016
Shares 363,760 Value ($000) $27,038 Avg Close — Range —
Q1 2016
Shares 344,565 Value ($000) $24,609 Avg Close — Range —
Q4 2015
Shares 344,385 Value ($000) $23,949 Avg Close — Range —
Q3 2015
Shares 311,020 Value ($000) $21,656 Avg Close — Range —
Q2 2015
Shares 270,798 Value ($000) $17,485 Avg Close — Range —
Q1 2015
Shares 256,601 Value ($000) $16,579 Avg Close — Range —
Q4 2014
Shares 265,307 Value ($000) $18,747 Avg Close — Range —
Q3 2014
Shares 275,016 Value ($000) $19,768 Avg Close — Range —
Q2 2014
Shares 253,875 Value ($000) $18,883 Avg Close — Range —
Q1 2014
Shares 211,868 Value ($000) $14,564 Avg Close — Range —
Q4 2013
Shares 181,432 Value ($000) $11,851 Avg Close — Range —
Q3 2013
Shares 147,318 Value ($000) $8,699 Avg Close — Range —
Q2 2013
Shares 116,294 Value ($000) $6,590 Avg Close — Range —