SIMPLEX TRADING, LLC - NATIONAL GRID PLC ownership

NATIONAL GRID PLC's ticker is and the CUSIP is 636274959. A total of 1 filers reported holding NATIONAL GRID PLC in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of NATIONAL GRID PLC
ValueSharesWeighting
Q3 2023$1,024
-13.1%
16,900
-3.4%
0.00%0.0%
Q2 2023$1,178
-47.3%
17,500
-46.8%
0.00%
-50.0%
Q1 2023$2,236
+46.0%
32,900
+29.5%
0.00%0.0%
Q4 2022$1,532
-99.9%
25,400
-28.7%
0.00%0.0%
Q3 2022$1,834,000
+761.0%
35,600
+978.8%
0.00%
Q2 2022$213,000
+54.3%
3,300
+83.3%
0.00%
Q1 2022$138,000
-92.9%
1,800
-93.3%
0.00%
-100.0%
Q4 2021$1,945,000
+250.5%
26,900
+209.2%
0.00%
+100.0%
Q3 2021$555,000
-0.2%
8,7000.0%0.00%0.0%
Q2 2021$556,000
-64.3%
8,700
+3208.0%
0.00%
-66.7%
Q1 2021$1,558,000
+190.1%
263
+189.0%
0.00%
+200.0%
Q4 2020$537,000
-62.5%
91
-63.3%
0.00%
-50.0%
Q3 2020$1,433,000
+1890.3%
248
+1966.7%
0.00%
Q2 2020$72,000
-73.6%
12
-74.5%
0.00%
Q1 2020$273,000
-88.3%
47
-87.4%
0.00%
-100.0%
Q4 2019$2,331,000
+231.6%
372
+186.2%
0.01%
+150.0%
Q3 2019$703,000
-42.0%
130
-43.0%
0.00%
-33.3%
Q2 2019$1,212,000
-46.3%
228
-43.6%
0.00%
-50.0%
Q1 2019$2,255,000
-37.2%
404
-46.1%
0.01%
-45.5%
Q4 2018$3,593,000
+637.8%
749
+696.8%
0.01%
+450.0%
Q3 2018$487,000
+486.7%
94
+526.7%
0.00%
Q2 2018$83,000
+1085.7%
15
-46.4%
0.00%
Q1 2018$7,000
+75.0%
28
+100.0%
0.00%
Q4 2017$4,000
+100.0%
14
-77.0%
0.00%
Q3 2017$2,000
-33.3%
61
+221.1%
0.00%
Q2 2017$3,000190.00%
Other shareholders
NATIONAL GRID PLC shareholders Q2 2018
NameSharesValueWeighting ↓
Optiver Holding B.V. 96,500$6,170,0000.01%
SIMPLEX TRADING, LLC 8,700$556,0000.00%
GROUP ONE TRADING, L.P. 500$32,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of NATIONAL GRID PLC shareholders