PEAK6 Group LLC - MARKEL CORP ownership

MARKEL CORP's ticker is and the CUSIP is 570535904. A total of 3 filers reported holding MARKEL CORP in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
PEAK6 Group LLC ownership history of MARKEL CORP
ValueSharesWeighting
Q3 2014$64,0001000.00%
Other shareholders
MARKEL CORP shareholders Q3 2023
NameSharesValueWeighting ↓
Twin Tree Management, LP 11,400$16,786,3860.04%
SIMPLEX TRADING, LLC 400$5880.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of MARKEL CORP shareholders