Twin Tree Management, LP - MARKEL CORP ownership

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MARKEL CORP's ticker is and the CUSIP is 570535904. A total of 3 filers reported holding MARKEL CORP in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

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Filings
Quarter-by-quarter ownership
Twin Tree Management, LP ownership history of MARKEL CORP
ValueSharesWeighting
Q3 2023$16,786,386
+53.6%
11,400
+44.3%
0.04%
+123.5%
Q2 2023$10,927,122
+8.3%
7,9000.0%0.02%
-10.5%
Q1 2023$10,091,539–7,900–0.02%–
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Other shareholders
MARKEL CORP shareholders Q1 2023
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