GROUP ONE TRADING, L.P. - NATIONAL GRID PLC ownership

NATIONAL GRID PLC's ticker is NGGXXXX and the CUSIP is 636274300. A total of 281 filers reported holding NATIONAL GRID PLC in Q3 2013. The put-call ratio across all filers is 0.18 and the average weighting 0.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of NATIONAL GRID PLC
ValueSharesWeighting
Q1 2015$477,000
+1.5%
7,377
+11.0%
0.01%0.0%
Q4 2014$470,000
+3.8%
6,647
-16.9%
0.01%
-36.4%
Q2 2013$453,0008,0010.01%
Other shareholders
NATIONAL GRID PLC shareholders Q3 2013
NameSharesValueWeighting ↓
Loudon Investment Management, LLC 44,665$3,190,0002.57%
HENNESSY ADVISORS INC 1,004,058$71,710,0002.18%
CAMBIAR INVESTORS LLC 2,090,684$149,317,0002.14%
Hutner Daniel Ellsworth 29,652$2,118,0001.88%
REAVES W H & CO INC 729,528$52,103,0001.86%
Laurel Grove Capital, LLC 41,300$2,950,0001.68%
GUARDIAN CAPITAL ADVISORS LP 129,110$9,010,0001.68%
Energy Income Partners, LLC 861,468$61,526,0001.60%
WRIGHT INVESTORS SERVICE INC 52,801$3,771,0001.49%
SOUTH TEXAS MONEY MANAGEMENT LTD 366,114$26,148,0001.48%
View complete list of NATIONAL GRID PLC shareholders