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Thomas Gayner

Net buying

Markel Group Inc. — managed by Thomas Gayner; US equity positions disclosed quarterly via SEC 13F

Data as of 2026-06-30 (filed 2026-07-31) · Source: SEC EDGAR

Portfolio value$13.13B (+10%)
Holdings130 (+1)
Top holdingAlphabet Inc
Below band5

New

3

Added

24

Exited

2

By what price implies: 58 demand a demanding growth rate, 21 modest.

13F × valuation

Valuation posture

Of 56 valued US positions, 5 trade below a conservative value band (1 in the strike zone) (as of 2026-10-16):

SEC 13F · latest filing

Holdings

Showing top 25 of 130 positions

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Portfolio overview

Markel Group Inc.'s most recent 13F filing, for the quarter ended 2026-06-30, reports 130 positions worth $13.13B. The top 5 holdings represent 28% of that value, a broadly diversified portfolio.

The single largest position is Alphabet Inc at 7.4% of the portfolio, followed by Berkshire Hathaway Inc at 6.4% and Berkshire Hathaway Inc at 5.8%.

Against the prior quarter, Thomas Gayner opened 3 new positions, exited 2, added to 24, and trimmed 3. The largest new buy was Zoetis Inc. The most notable sale was the full exit from Scotts Miracle-Gro Co.

Across all 8 quarters on file, Alphabet Inc has appeared in every filing, as has Berkshire Hathaway Inc. Alphabet Inc currently ranks first by value.

A 13F is filed roughly 45 days after quarter-end and covers only long positions in US-listed equities, so it is a lagging and partial view of the portfolio. Source: SEC EDGAR.

Thomas Gayner holds 1 position now in the strike zone. See the full strike-zone list

Sources· SEC EDGAR 13F as of 2026-06-30 · filed 2026-07-31

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