Parallax Volatility Advisers, L.P. - NATIONAL GRID PLC ownership

NATIONAL GRID PLC's ticker is NGGXXXX and the CUSIP is 636274300. A total of 19 filers reported holding NATIONAL GRID PLC in Q2 2017. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
Parallax Volatility Advisers, L.P. ownership history of NATIONAL GRID PLC
ValueSharesWeighting
Q1 2017$545,000
-39.4%
8,592
-32.0%
0.00%
-50.0%
Q3 2016$899,000
+1505.4%
12,642
+1354.8%
0.00%
Q2 2015$56,000
-89.9%
869
-89.9%
0.00%
-100.0%
Q1 2015$556,000
-11.9%
8,602
-3.6%
0.00%
-50.0%
Q4 2014$631,000
-4.4%
8,922
-2.8%
0.00%0.0%
Q3 2014$660,000
+238.5%
9,180
+251.3%
0.00%
+100.0%
Q2 2014$195,0002,6130.00%
Other shareholders
NATIONAL GRID PLC shareholders Q2 2017
NameSharesValueWeighting ↓
PEG CAPITAL MANAGEMENT INC /NH/ 119,412$7,715,0003.73%
HENNESSY ADVISORS INC 1,635,523$105,671,0003.04%
Loudon Investment Management, LLC 51,012$3,296,0002.50%
PHILADELPHIA INTERNATIONAL ADVISORS LP 68,119$4,401,0001.84%
REAVES W H & CO INC 758,541$49,009,0001.69%
Dynamic Advisor Solutions LLC 49,411$3,192,0001.60%
GUARDIAN CAPITAL ADVISORS LP 123,290$10,034,0001.51%
SOUTH TEXAS MONEY MANAGEMENT LTD 368,174$23,788,0001.38%
BEACON FINANCIAL GROUP 85,460$5,617,0001.25%
GRATRY & Co LLC 34,747$2,245,0001.21%
View complete list of NATIONAL GRID PLC shareholders