SIMPLEX TRADING, LLC - MARKEL CORP ownership

MARKEL CORP's ticker is and the CUSIP is 570535904. A total of 2 filers reported holding MARKEL CORP in Q2 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 MARKEL CORP
ValueSharesWeighting
Q3 2023$588
-69.6%
400
-71.4%
0.00%
-100.0%
Q2 2023$1,936
-82.6%
1,400
-83.9%
0.00%
-80.0%
Q1 2023$11,113
-26.7%
8,700
-24.3%
0.01%
-37.5%
Q4 2022$15,151
-99.9%
11,500
-31.1%
0.02%
-20.0%
Q3 2022$18,106,000
+16.7%
16,700
+39.2%
0.02%
+25.0%
Q2 2022$15,519,000
+262.8%
12,000
+313.8%
0.02%
+300.0%
Q1 2022$4,278,000
+285.4%
2,900
+222.2%
0.00%
+300.0%
Q4 2021$1,110,000
-49.2%
900
-50.0%
0.00%
-50.0%
Q3 2021$2,184,000
+2.2%
1,8000.0%0.00%0.0%
Q2 2021$2,136,000
+134.5%
1,800
+22400.0%
0.00%0.0%
Q1 2021$911,0008
+300.0%
0.00%
Q4 2020$0
-100.0%
2
-93.3%
0.00%
-100.0%
Q3 2020$2,921,000
-59.4%
30
-61.5%
0.00%
-63.6%
Q2 2020$7,200,000
+6.3%
78
+6.8%
0.01%
-8.3%
Q1 2020$6,773,000
+5841.2%
73
+7200.0%
0.01%
Q4 2019$114,000
-88.4%
1
-88.9%
0.00%
-100.0%
Q2 2019$980,000
+175.3%
9
+200.0%
0.00%
+200.0%
Q3 2018$356,000
-34.3%
3
-40.0%
0.00%
-50.0%
Q2 2018$542,000
+458.8%
5
-16.7%
0.00%
-50.0%
Q1 2018$97,000
+3133.3%
6
-14.3%
0.00%
Q2 2017$3,000
-86.4%
7
-12.5%
0.00%
-100.0%
Q1 2017$22,000
+1000.0%
8
+700.0%
0.00%
Q4 2016$2,00010.0%0.00%
Q3 2016$0
-100.0%
10.0%0.00%
Q2 2016$1,0000.0%1
-66.7%
0.00%
Q1 2016$1,000
-98.0%
3
-25.0%
0.00%
-100.0%
Q4 2015$49,000
+716.7%
4
+300.0%
0.00%
+300.0%
Q2 2015$6,00010.00%
Other shareholders
MARKEL CORP shareholders Q2 2020
NameSharesValueWeighting ↓
Twin Tree Management, LP 7,900$10,091,5390.02%
SIMPLEX TRADING, LLC 8,700$11,1130.01%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of MARKEL CORP shareholders