Who owns Markel Corporation?
Institutional ownership of MKL from SEC Form 13F filings across 524 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
524
13F holders
$11.23B
value, 2026 filers
46.8%
of shares outstanding (5.8M sh)
68
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MKL's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 697,836 | $1.36B | 0.0% | 5.6% | -1.8% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 545,650 | $1.07B | 0.0% | 4.4% | -49.9% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 521,976 | $1.02B | 0.0% | 4.2% | -0.4% |
| 4 | MORGAN STANLEY | 350,660 | $684.8M | 0.0% | 2.8% | -1.8% |
| 5 | PRINCIPAL FINANCIAL GROUP INC | 307,791 | $601.2M | 0.3% | 2.5% | -23.4% |
| 6 | VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 230,637 | $450.4M | 3.4% | 1.9% | +2.0% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 214,799 | $418.2M | 0.0% | 1.7% | -3.1% |
| 8 | BAILLIE GIFFORD & CO | 157,923 | $308.4M | 0.3% | 1.3% | -9.8% |
| 9 | NORGES BANKNEW | 145,542 | $284.2M | 0.0% | 1.2% | new |
| 10 | BANK OF AMERICA CORP /DE/ | 118,590 | $231.6M | 0.0% | 1% | -12.9% |
| 11 | WELLINGTON MANAGEMENT GROUP LLP | 102,408 | $200.0M | 0.0% | 0.8% | -4.0% |
| 12 | GOLDMAN SACHS GROUP INC | 88,210 | $172.3M | 0.0% | 0.7% | +79.1% |
| 13 | NORTHERN TRUST CORP | 84,026 | $164.1M | 0.0% | 0.7% | -1.9% |
| 14 | VANGUARD FIDUCIARY TRUST CO | 78,570 | $153.4M | 0.0% | 0.6% | +0.8% |
| 15 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 77,952 | $152.2M | 0.0% | 0.6% | +0.2% |
| 16 | Sixth Street Partners Management Company, L.P.NEW | 77,580 | $151.5M | 26.2% | 0.6% | new |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 77,580 | $151.5M | 0.0% | 0.6% | +9.9% |
| 18 | BARR E S & CO | 77,051 | $150.5M | 8.4% | 0.6% | -0.2% |
| 19 | JENNISON ASSOCIATES LLC | 74,748 | $146.0M | 0.1% | 0.6% | +4.6% |
| 20 | JANE STREET GROUP, LLC | 65,269 | $127.5M | 0.0% | 0.5% | +87.1% |
| 21 | RAYMOND JAMES FINANCIAL INC | 64,967 | $126.9M | 0.0% | 0.5% | -4.3% |
| 22 | Legal & General Group Plc | 62,580 | $122.2M | 0.0% | 0.5% | -11.5% |
| 23 | HighTower Advisors, LLC | 61,151 | $119.4M | 0.1% | 0.5% | -2.4% |
| 24 | WELLS FARGO & COMPANY/MN | 59,018 | $115.3M | 0.0% | 0.5% | -0.2% |
| 25 | UBS Group AG | 44,268 | $86.5M | 0.0% | 0.4% | -16.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.