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MKL · Markel Group Inc.

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$1,818.69 +12.87 (+0.71%) At close · Aug 28
Market Cap
$22.37B
Shares
12.39M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 927
Total Value: $18,971,958,913
Total Shares: 9,721,878
Showing 1–100 of 938 holdings by value · page 1 of 10

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 927 13F filers · Δ vs Mar 31, 2026
Top Holder
7.2%
Sep 2023 → Jun 2026 · range 7.2% – 11.8%
−0.1 pts
Top 5
26.0%
Sep 2023 → Jun 2026 · range 26.0% – 33.4%
−0.4 pts
Top 10
41.3%
Sep 2023 → Jun 2026 · range 41.3% – 46.9%
−0.7 pts
HHI
230
Sep 2023 → Jun 2026 · range 230 – 332
Broadly held−7

Quarterly Activity

vs Mar 31, 2026
New
104
Increased
319
Decreased
318
Sold Out
110
Unchanged
186
Holder count: -6
Institutional value: +2.0%
Shares held: +0.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 938
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1096343 CUSIP 570535104 13F (30d) 624 filings 614 filers Visit website Investor relations