MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

Twin Tree Management, LP's Holding History (CIK: 0001535588)

Note: Option positions (PUT/CALL) are excluded.

Q1 2025

Shares 52 Value ($000) $97 Avg Close $1839.75 Range $1641.51 - $2063.68

Q2 2023

Shares 950 Value ($000) $1,314 Avg Close $1340.97 Range $1272.43 - $1400.00

Q1 2023

Shares 3,697 Value ($000) $4,723 Avg Close $1328.48 Range $1186.56 - $1458.56

Q4 2022

Shares 1,119 Value ($000) $1,474 Avg Close $1237.05 Range $1085.09 - $1356.37

Q3 2022

Shares 15,201 Value ($000) $16,481 Avg Close $1220.12 Range $1064.09 - $1335.10

Q2 2022

Shares 8,555 Value ($000) $11,064 Avg Close $1372.21 Range $1251.77 - $1519.25

Q1 2022

Shares 2,472 Value ($000) $3,647 Avg Close $1291.81 Range $1180.00 - $1513.00

Q4 2021

Shares 7,119 Value ($000) $8,785 Avg Close $1261.86 Range $1179.00 - $1343.56

Q3 2021

Shares 11,783 Value ($000) $14,082 Avg Close $1232.92 Range $1175.35 - $1288.00

Q2 2021

Shares 3,380 Value ($000) $4,011 Avg Close $1198.75 Range $1138.00 - $1268.96

Q1 2021

Shares 726 Value ($000) $827 Avg Close $1078.65 Range $942.44 - $1169.50

Q4 2020

Shares 257 Value ($000) $266 Avg Close $996.82 Range $913.04 - $1073.43

Q2 2020

Shares 9,405 Value ($000) $8,682 Avg Close $908.95 Range $761.06 - $1049.56

Q1 2020

Shares 5,072 Value ($000) $4,706 Avg Close $1143.50 Range $710.52 - $1347.64

Q1 2019

Shares 3,090 Value ($000) $3,078 Avg Close $1015.52 Range $950.16 - $1081.00

Q4 2018

Shares 5,205 Value ($000) $5,403 Avg Close $1093.58 Range $954.39 - $1203.43

Q3 2018

Shares 467 Value ($000) $555 Avg Close $1176.81 Range $1078.02 - $1228.32

Q1 2018

Shares 304 Value ($000) $356 Avg Close $1125.56 Range $1049.95 - $1194.98

Q4 2017

Shares 125 Value ($000) $142 Avg Close $1093.18 Range $1054.20 - $1157.30

Q3 2017

Shares 223 Value ($000) $238 Avg Close $1034.02 Range $963.79 - $1086.68

Q2 2017

Shares 597 Value ($000) $583 Avg Close $970.65 Range $936.95 - $996.38

Q1 2017

Shares 1,992 Value ($000) $1,944 Avg Close $945.13 Range $887.40 - $992.00

Q4 2016

Shares 1,253 Value ($000) $1,133 Avg Close $891.63 Range $811.05 - $931.94

Q3 2016

Shares 2,042 Value ($000) $1,897 Avg Close $933.01 Range $909.84 - $961.78

Q1 2016

Shares 594 Value ($000) $530 Avg Close $859.54 Range $805.03 - $895.03

Q3 2015

Shares 2,036 Value ($000) $1,633 Avg Close $846.01 Range $775.00 - $898.08

Q2 2015

Shares 2,144 Value ($000) $1,717 Avg Close $777.66 Range $736.96 - $821.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	52	$97	$1839.75	$1641.51 - $2063.68
Q2 2023	950	$1,314	$1340.97	$1272.43 - $1400.00
Q1 2023	3,697	$4,723	$1328.48	$1186.56 - $1458.56
Q4 2022	1,119	$1,474	$1237.05	$1085.09 - $1356.37
Q3 2022	15,201	$16,481	$1220.12	$1064.09 - $1335.10
Q2 2022	8,555	$11,064	$1372.21	$1251.77 - $1519.25
Q1 2022	2,472	$3,647	$1291.81	$1180.00 - $1513.00
Q4 2021	7,119	$8,785	$1261.86	$1179.00 - $1343.56
Q3 2021	11,783	$14,082	$1232.92	$1175.35 - $1288.00
Q2 2021	3,380	$4,011	$1198.75	$1138.00 - $1268.96
Q1 2021	726	$827	$1078.65	$942.44 - $1169.50
Q4 2020	257	$266	$996.82	$913.04 - $1073.43
Q2 2020	9,405	$8,682	$908.95	$761.06 - $1049.56
Q1 2020	5,072	$4,706	$1143.50	$710.52 - $1347.64
Q1 2019	3,090	$3,078	$1015.52	$950.16 - $1081.00
Q4 2018	5,205	$5,403	$1093.58	$954.39 - $1203.43
Q3 2018	467	$555	$1176.81	$1078.02 - $1228.32
Q1 2018	304	$356	$1125.56	$1049.95 - $1194.98
Q4 2017	125	$142	$1093.18	$1054.20 - $1157.30
Q3 2017	223	$238	$1034.02	$963.79 - $1086.68
Q2 2017	597	$583	$970.65	$936.95 - $996.38
Q1 2017	1,992	$1,944	$945.13	$887.40 - $992.00
Q4 2016	1,253	$1,133	$891.63	$811.05 - $931.94
Q3 2016	2,042	$1,897	$933.01	$909.84 - $961.78
Q1 2016	594	$530	$859.54	$805.03 - $895.03
Q3 2015	2,036	$1,633	$846.01	$775.00 - $898.08
Q2 2015	2,144	$1,717	$777.66	$736.96 - $821.00