MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q4 2025

Shares 1,816 Value ($000) $3,903 Avg Close $2025.92 Range $1812.24 - $2207.59

Q3 2025

Shares 1,799 Value ($000) $3,438 Avg Close $1960.42 Range $1889.91 - $2075.92

Q2 2025

Shares 1,797 Value ($000) $3,588 Avg Close $1875.20 Range $1621.89 - $2004.24

Q1 2025

Shares 1,708 Value ($000) $3,192 Avg Close $1839.75 Range $1641.51 - $2063.68

Q4 2024

Shares 1,428 Value ($000) $2,464 Avg Close $1659.34 Range $1521.25 - $1809.11

Q3 2024

Shares 1,428 Value ($000) $2,239 Avg Close $1565.15 Range $1491.03 - $1660.74

Q2 2024

Shares 1,340 Value ($000) $2,111 Avg Close $1552.86 Range $1417.65 - $1670.24

Q1 2024

Shares 1,326 Value ($000) $2,017 Avg Close $1466.28 Range $1342.66 - $1534.62

Q4 2023

Shares 1,215 Value ($000) $1,724 Avg Close $1418.73 Range $1295.65 - $1528.08

Q3 2023

Shares 1,079 Value ($000) $1,588 Avg Close $1463.82 Range $1345.00 - $1560.00

Q2 2023

Shares 1,032 Value ($000) $1,427 Avg Close $1340.97 Range $1272.43 - $1400.00

Q1 2023

Shares 999 Value ($000) $1,276 Avg Close $1328.48 Range $1186.56 - $1458.56

Q4 2022

Shares 901 Value ($000) $1,187 Avg Close $1237.05 Range $1085.09 - $1356.37

Q3 2022

Shares 840 Value ($000) $911 Avg Close $1220.12 Range $1064.09 - $1335.10

Q2 2022

Shares 579 Value ($000) $749 Avg Close $1372.21 Range $1251.77 - $1519.25

Q1 2022

Shares 558 Value ($000) $823 Avg Close $1291.81 Range $1180.00 - $1513.00

Q4 2021

Shares 553 Value ($000) $682 Avg Close $1261.86 Range $1179.00 - $1343.56

Q3 2021

Shares 546 Value ($000) $653 Avg Close $1232.92 Range $1175.35 - $1288.00

Q2 2021

Shares 500 Value ($000) $593 Avg Close $1198.75 Range $1138.00 - $1268.96

Q1 2021

Shares 458 Value ($000) $522 Avg Close $1078.65 Range $942.44 - $1169.50

Q4 2020

Shares 423 Value ($000) $437 Avg Close $996.82 Range $913.04 - $1073.43

Q3 2020

Shares 360 Value ($000) $351 Avg Close $1015.77 Range $881.00 - $1124.00

Q2 2020

Shares 330 Value ($000) $305 Avg Close $908.95 Range $761.06 - $1049.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,816	$3,903	$2025.92	$1812.24 - $2207.59
Q3 2025	1,799	$3,438	$1960.42	$1889.91 - $2075.92
Q2 2025	1,797	$3,588	$1875.20	$1621.89 - $2004.24
Q1 2025	1,708	$3,192	$1839.75	$1641.51 - $2063.68
Q4 2024	1,428	$2,464	$1659.34	$1521.25 - $1809.11
Q3 2024	1,428	$2,239	$1565.15	$1491.03 - $1660.74
Q2 2024	1,340	$2,111	$1552.86	$1417.65 - $1670.24
Q1 2024	1,326	$2,017	$1466.28	$1342.66 - $1534.62
Q4 2023	1,215	$1,724	$1418.73	$1295.65 - $1528.08
Q3 2023	1,079	$1,588	$1463.82	$1345.00 - $1560.00
Q2 2023	1,032	$1,427	$1340.97	$1272.43 - $1400.00
Q1 2023	999	$1,276	$1328.48	$1186.56 - $1458.56
Q4 2022	901	$1,187	$1237.05	$1085.09 - $1356.37
Q3 2022	840	$911	$1220.12	$1064.09 - $1335.10
Q2 2022	579	$749	$1372.21	$1251.77 - $1519.25
Q1 2022	558	$823	$1291.81	$1180.00 - $1513.00
Q4 2021	553	$682	$1261.86	$1179.00 - $1343.56
Q3 2021	546	$653	$1232.92	$1175.35 - $1288.00
Q2 2021	500	$593	$1198.75	$1138.00 - $1268.96
Q1 2021	458	$522	$1078.65	$942.44 - $1169.50
Q4 2020	423	$437	$996.82	$913.04 - $1073.43
Q3 2020	360	$351	$1015.77	$881.00 - $1124.00
Q2 2020	330	$305	$908.95	$761.06 - $1049.56