NATIONAL GRID PLC

CUSIP: 636274300 Class: SPONSORED ADR NE

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q1 2017
Shares 4,500 Value ($000) $286 Avg Close — Range —
Q4 2016
Shares 4,500 Value ($000) $262 Avg Close — Range —
Q1 2016
Shares 27,000 Value ($000) $1,929 Avg Close — Range —
Q4 2015
Shares 27,000 Value ($000) $1,878 Avg Close — Range —
Q2 2013
Shares 18,600 Value ($000) $1,054 Avg Close — Range —