SIMPLEX TRADING, LLC - NATIONAL GRID PLC ownership

NATIONAL GRID PLC's ticker is and the CUSIP is 636274909. A total of 3 filers reported holding NATIONAL GRID PLC in Q3 2020. 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$418
-68.1%
6,900
-64.6%
0.00%
-100.0%
Q2 2023$1,312
-74.7%
19,500
-74.4%
0.00%
-80.0%
Q1 2023$5,180
+461.8%
76,200
+398.0%
0.01%
+400.0%
Q4 2022$922
-99.9%
15,300
-37.6%
0.00%0.0%
Q3 2022$1,262,000
-21.6%
24,500
-1.6%
0.00%
-50.0%
Q2 2022$1,610,000
-83.5%
24,900
-80.4%
0.00%
-77.8%
Q1 2022$9,762,000
+654.4%
127,000
+609.5%
0.01%
+800.0%
Q4 2021$1,294,000
-22.7%
17,900
-31.7%
0.00%
-50.0%
Q3 2021$1,674,000
-0.1%
26,2000.0%0.00%0.0%
Q2 2021$1,675,000
-47.5%
26,200
+4760.9%
0.00%
-66.7%
Q1 2021$3,193,000
+603.3%
539
+600.0%
0.01%
+500.0%
Q4 2020$454,000
+3.4%
77
+1.3%
0.00%0.0%
Q3 2020$439,000
-53.0%
76
-50.6%
0.00%0.0%
Q2 2020$935,000
-37.0%
154
-39.6%
0.00%
-66.7%
Q1 2020$1,485,000
+38.7%
255
+49.1%
0.00%
+50.0%
Q4 2019$1,071,000
+63.8%
171
+41.3%
0.00%0.0%
Q3 2019$654,000
-83.7%
121
-83.9%
0.00%
-81.8%
Q2 2019$4,004,000
+1159.1%
753
+1221.1%
0.01%
+1000.0%
Q1 2019$318,000
-59.3%
57
-65.0%
0.00%
-50.0%
Q4 2018$782,000
+139.9%
163
+158.7%
0.00%
+100.0%
Q3 2018$326,000
+492.7%
63
+530.0%
0.00%
Q2 2018$55,000
+5400.0%
100.0%0.00%
Q1 2018$1,000
-66.7%
10
-90.5%
0.00%
Q4 2017$3,000
-25.0%
105
+43.8%
0.00%
Q3 2017$4,000
+33.3%
73
+247.6%
0.00%
Q2 2017$3,000210.00%
Other shareholders
NATIONAL GRID PLC shareholders Q3 2020
NameSharesValueWeighting ↓
Optiver Holding B.V. 108,500$5,591,0000.01%
JANE STREET GROUP, LLC 193,700$9,981,0000.00%
SIMPLEX TRADING, LLC 24,500$1,262,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 400$21,0000.00%
View complete list of NATIONAL GRID PLC shareholders