SIMPLEX TRADING, LLC - NATIONAL GRID PLC ownership

NATIONAL GRID PLC's ticker is NGG and the CUSIP is 636274409. A total of 335 filers reported holding NATIONAL GRID PLC in Q2 2018. The put-call ratio across all filers is 1.77 and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of NATIONAL GRID PLC
ValueSharesWeighting
Q3 2023$820
+1123.9%
13,539
+1255.3%
0.00%
Q2 2023$67
-84.1%
999
-85.7%
0.00%
Q4 2022$421
-100.0%
6,982
-68.7%
0.00%
-100.0%
Q3 2022$1,150,000
-4.0%
22,324
+10.3%
0.00%
-50.0%
Q1 2021$1,198,000
+166.8%
20,239
+166.0%
0.00%
+100.0%
Q4 2020$449,000
-76.8%
7,609
-77.3%
0.00%
-66.7%
Q3 2020$1,936,000
+924.3%
33,507
+971.5%
0.00%
Q2 2020$189,000
-77.8%
3,127
-80.1%
0.00%
-100.0%
Q3 2019$851,000
-12.8%
15,733
-10.0%
0.00%
-33.3%
Q1 2019$976,000
+351.9%
17,487
+286.9%
0.00%
+200.0%
Q4 2018$216,000
-17.2%
4,520
-2.6%
0.00%
-90.9%
Q1 2018$261,000
-16.6%
4,642
-12.9%
0.01%
-15.4%
Q4 2017$313,0005,3300.01%
Other shareholders
NATIONAL GRID PLC shareholders Q2 2018
NameSharesValueWeighting ↓
Susquehanna International Securities, Ltd. 127,080$7,719,0003.20%
Barry Investment Advisors, LLC 123,034$7,473,0002.64%
HENNESSY ADVISORS INC 540,644$32,839,0002.29%
EQUITY INVESTMENT CORP 703,359$42,722,0002.12%
Old Port Advisors 61,420$3,731,0001.95%
Susquehanna International Group Ltd. 34,467$2,094,0001.48%
RPg Family Wealth Advisory, LLC 37,490$2,277,143,0001.39%
ALBERT D MASON INC 26,910$1,635,0001.38%
First Bank & Trust 29,009$1,762,0001.33%
GUARDIAN CAPITAL ADVISORS LP 134,899$5,405,0001.04%
View complete list of NATIONAL GRID PLC shareholders