Markel Group Inc.
MX ˙ BMV ˙ US5705351048
SecurityMX:MKL / Markel Group Inc.
InstitutionAsset Management One Co., Ltd.
Latest Disclosed Ownership4,777 shares
Latest Disclosed Value $ 9,143,512
Asset Management One Co., Ltd. reports 3.88% decrease in ownership of MKL / Markel Group Inc.

On May 8, 2026 - Asset Management One Co., Ltd. filed a 13F-HR form disclosing ownership of 4,777 shares of Markel Group Inc. (MX:MKL) valued at $9,143,512 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 27, 2026 disclosing 4,970 shares of Markel Group Inc.. This represents a change in shares of -3.88% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-08 2026-03-31 13F MARKEL GROUP COM 570535104 4,777 -193 -3.88 9,144 -16.03 0.0270
2026-01-27 2025-12-31 13F MARKEL GROUP COM 570535104 4,970 -119 -2.34 10,890 11.96 0.0303
2025-10-22 2025-09-30 13F MARKEL GROUP COM 570535104 5,089 -22 -0.43 9,727 -4.72 0.0282
2025-07-31 2025-06-30 13F MARKEL GROUP COM 570535104 5,111 20 0.39 10,209 7.25 0.0320
2025-04-23 2025-03-31 13F MARKEL GROUP COM 570535104 5,091 81 1.62 9,518 9.16 0.0329
2025-01-30 2024-12-31 13F MARKEL GROUP COM 570535104 5,010 -74 -1.46 8,719 9.34 0.0300
2024-10-30 2024-09-30 13F MARKEL GROUP COM 570535104 5,084 404 8.63 7,975 8.14 0.0284
2024-07-18 2024-06-30 13F MARKEL GROUP COM 570535104 4,680 -201 -4.12 7,374 -0.70 0.0282
2024-05-02 2024-03-31 13F MARKEL GROUP COM 570535104 4,881 -270 -5.24 7,426 2.12 0.0286
2024-01-24 2023-12-31 13F MARKEL GROUP COM 570535104 5,151 280 5.75 7,273 1.39 0.0293
2023-10-19 2023-09-30 13F MARKEL GROUP COM 570535104 4,871 -113 -2.27 7,172 4.05 0.0319
2023-07-31 2023-06-30 13F MARKEL GROUP COM 570535104 4,984 -495 -9.03 6,894 -1.50 0.0292
2023-04-25 2023-03-31 13F MARKEL COM 570535104 5,479 29 0.53 6,999 -3.16 0.0317
2023-02-06 2022-12-31 13F MARKEL COM 570535104 5,450 -213 -3.76 7,226 17.71 0.0352
2022-11-04 2022-09-30 13F MARKEL COM 570535104 5,663 -22 -0.39 6,139 -16.50 0.0312
2022-07-29 2022-06-30 13F MARKEL COM 570535104 5,685 -121 -2.08 7,352 -14.16 0.0345
2022-05-13 2022-03-31 13F MARKEL COM 570535104 5,806 -211 -3.51 8,565 14.86 0.0334
2022-02-09 2021-12-31 13F MARKEL COM 570535104 6,017 -321 -5.06 7,457 -1.54 0.0260
2021-11-02 2021-09-30 13F MARKEL COM 570535104 6,338 214 3.49 7,574 4.22 0.0290
2021-08-03 2021-06-30 13F MARKEL COM 570535104 6,124 -510 -7.69 7,267 -3.88 0.0270
2021-05-14 2021-03-31 13F MARKEL COM 570535104 6,634 -123 -1.82 7,560 12.55 0.0300
2021-02-12 2020-12-31 13F MARKEL COM 570535104 6,757 -190 -2.73 6,717 -0.69 0.0277
2020-11-13 2020-09-30 13F MARKEL COM 570535104 6,947 -299 -4.13 6,764 1.11 0.0311
2020-08-14 2020-06-30 13F MARKEL COM 570535104 7,246 42 0.58 6,690 0.07 0.0329
2020-05-14 2020-03-31 13F MARKEL COM 570535104 7,204 25 0.35 6,685 -18.55 0.0390
2020-02-14 2019-12-31 13F MARKEL COM 570535104 7,179 -34 -0.47 8,207 -3.73 0.0370
2019-11-14 2019-09-30 13F MARKEL COM 570535104 7,213 -59 -0.81 8,525 7.60 0.0411
2019-08-14 2019-06-30 13F MARKEL COM 570535104 7,272 557 8.29 7,923 18.38 0.0389
2019-05-15 2019-03-31 13F MARKEL COM 570535104 6,715 -15,208 -69.37 6,693 -70.55 0.0362
2019-02-13 2018-12-31 13F MARKEL COM 570535104 21,923 230 1.06 22,723 -11.87 0.0542
2018-11-14 2018-09-30 13F MARKEL COM 570535104 21,693 202 0.94 25,783 10.62 0.0529
2018-08-14 2018-06-30 13F MARKEL COM 570535104 21,491 224 1.05 23,307 -6.35 0.0509
2018-05-14 2018-03-31 13F MARKEL COM 570535104 21,267 -48 -0.23 24,887 2.55 0.0560
2018-02-14 2017-12-31 13F MARKEL COM 570535104 21,315 -6 -0.03 24,268 6.56 0.0535
2017-11-14 2017-09-30 13F MARKEL COM 570535104 21,321 -123 -0.57 22,773 8.86 0.0535
2017-08-14 2017-06-30 13F MARKEL COM 570535104 21,444 59 0.28 20,920 0.28 0.0534
2017-05-11 2017-03-31 13F MARKEL COM 570535104 21,385 -1,819 -7.84 20,862 -0.60 0.0548
2017-05-02 2016-12-31 13F/A-1 MARKEL COM 570535104 23,204 21,855 1,620.09 20,987 1,596.60 0.0536
2017-02-13 2016-12-31 13F MARKEL COM 570535104 23,204 20,987
2016-11-07 2016-09-30 13F MARKEL Com 570535104 1,349 104 8.35 1,237 5.37 0.0184
2016-08-03 2016-06-30 13F MARKEL Com 570535104 1,245 0 0.00 1,174 5.96 0.0176
2016-05-05 2016-03-31 13F MARKEL Com 570535104 1,245 -219 -14.96 1,108 -15.36 0.0162
2016-01-28 2015-12-31 13F MARKEL Com 570535104 1,464 1,464 1,309 0.0195
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.