Form 13-F position report

MARKEL GROUP INC

Reported by WELLINGTON MANAGEMENT GROUP LLP

MKL CUSIP 570535104 Manager CIK 0000902219

Reported 106,673 shares, down 5,223 (4.7%) from the prior quarter.

Reported value -15.1%; share count -4.7% vs. the prior quarter.

Reduced
% of reported 13F value 0.04% This manager · Q1 2026
Shares 106,673 Quarter-end amount reported
Reported value $204,179,590 Fair value at quarter end
Consecutive quarters held 52 Through Q1 2026

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-09-30 543321000
2021-12-31 412491000
2022-03-31 493156000
2022-06-30 411132000
2022-09-30 331773000
2022-12-31 407022726
2023-03-31 372458265
2023-06-30 396350229
2023-09-30 405632710
2023-12-31 363642070
2024-03-31 375332379
2024-06-30 369571052
2024-09-30 313203074
2024-12-31 253590091
2025-03-31 261515438
2025-06-30 263559642
2025-09-30 234787639
2025-12-31 240537237
2026-03-31 204179590
2026-06-30 200003848

Quarterly position history

How this manager's reported quarter-end position changed over time.

20 quarters
Quarterly reported position history for MARKEL GROUP INC held by WELLINGTON MANAGEMENT GROUP LLP.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2026 Reduced 102,408 -4,265 (-4.0%) 0.03% $200,003,848 2026-08-14
Q1 2026 Reduced 106,673 -5,223 (-4.7%) 0.04% $204,179,590 2026-05-15
Q4 2025 Reduced 111,896 -10,942 (-8.9%) 0.04% $240,537,237 2026-02-17
Q3 2025 Reduced 122,838 -9,116 (-6.9%) 0.04% $234,787,639 2025-11-14
Q2 2025 Reduced 131,954 -7,923 (-5.7%) 0.05% $263,559,642 2025-08-14
Q1 2025 Reduced 139,877 -7,027 (-4.8%) 0.05% $261,515,438 2025-05-13
Q4 2024 Reduced 146,904 -52,769 (-26.4%) 0.05% $253,590,091 2025-02-12
Q3 2024 Reduced 199,673 -34,877 (-14.9%) 0.05% $313,203,074 2024-11-14
Q2 2024 Reduced 234,550 -12,139 (-4.9%) 0.07% $369,571,052 2024-08-14
Q1 2024 Reduced 246,689 -9,415 (-3.7%) 0.07% $375,332,379 2024-05-15
Q4 2023 Reduced 256,104 -19,370 (-7.0%) 0.07% $363,642,070 2024-02-12
Q3 2023 Reduced 275,474 -11,076 (-3.9%) 0.08% $405,632,710 2023-11-14
Q2 2023 Reduced 286,550 -5,023 (-1.7%) 0.08% $396,350,229 2023-08-14
Q1 2023 Reduced 291,573 -17,365 (-5.6%) 0.07% $372,458,265 2023-05-12
Q4 2022 Added 308,938 +2,937 (1.0%) 0.08% $407,022,726 2023-02-13
Q3 2022 Reduced 306,001 -11,905 (-3.7%) 0.07% $331,773,000 2022-11-14
Q2 2022 Reduced 317,906 -16,383 (-4.9%) 0.08% $411,132,000 2022-08-15
Q1 2022 Added 334,289 +17 (0.0%) 0.08% $493,156,000 2022-05-16
Q4 2021 Reduced 334,272 -120,340 (-26.5%) 0.07% $412,491,000 2022-02-11
Q3 2021 Reduced 454,612 -38,298 (-7.8%) 0.09% $543,321,000 2021-11-15
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

1024 managers reported MARKEL GROUP INC for Q1 2026.

Managers reporting MARKEL GROUP INC in Q1 2026.
Manager Activity Shares Change % of reported 13F Reported value Tenure
BlackRock Inc Reduced 710,606 -685 0.02% $1,360,148,458 7 qtrs
VANGUARD CAPITAL MANAGEMENT LLC New 544,507 +544,507 0.03% $1,042,224,513 1 qtr
VANGUARD PORTFOLIO MANAGEMENT LLC New 524,201 +524,201 0.05% $1,003,357,408 1 qtr
PRINCIPAL FINANCIAL GROUP INC Reduced 401,876 -131,259 0.41% $769,296,565 52 qtrs
Davis Selected Advisers Reduced 383,433 -31,727 3.37% $733,959,392 52 qtrs
Select Equity Group L P Reduced 377,643 -50,239 3.7% $722,835,137 5 qtrs
MORGAN STANLEY Reduced 357,087 -35,077 0.04% $683,495,286 52 qtrs
STATE STREET CORPORATION Added 306,990 +2,077 0.02% $587,600,349 52 qtrs
Boston Partners Reduced 250,972 -11,179 0.5% $480,363,276 25 qtrs
VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N V Added 226,148 +21,287 3.8% $432,863,102 13 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
March 31, 2026
Filed
May 15, 2026
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
0
Shared
86,655
None
20,018

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.