Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in MKL held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 698K | $1.36B | -1.8% | 5.632% | 0.02% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 546K | $1.07B | +0.2% | 4.404% | 0.02% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 522K | $1.02B | -0.4% | 4.213% | 0.05% |
| 4 | DAVIS SELECTED ADVISERS | 407K | $794.4M | +6.1% | 3.283% | 3.41% |
| 5 | MORGAN STANLEY | 351K | $684.8M | -1.8% | 2.830% | 0.04% |
| 6 | Select Equity Group, L.P. | 332K | $647.8M | -12.2% | 2.677% | 3.20% |
| 7 | STATE STREET CORP | 312K | $609.7M | +1.7% | 2.519% | 0.01% |
| 8 | PRINCIPAL FINANCIAL GROUP INC | 308K | $601.2M | -23.4% | 2.484% | 0.30% |
| 9 | Boston Partners | 308K | $600.5M | +22.5% | 2.482% | 0.53% |
| 10 | VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 231K | $450.4M | +2.0% | 1.861% | 3.44% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 215K | $418.2M | -3.1% | 1.734% | 0.02% |
| 12 | DAVENPORT & Co LLC | 206K | $403.2M | -0.4% | 1.666% | 1.98% |
| 13 | BAILLIE GIFFORD & CO | 158K | $308.4M | -9.8% | 1.275% | 0.28% |
| 14 | NORGES BANK | 146K | $284.2M | — | 1.175% | 0.03% |
| 15 | DIMENSIONAL FUND ADVISORS LP | 139K | $271.6M | +1.5% | 1.122% | 0.05% |
| 16 | BANK OF AMERICA CORP /DE/ | 119K | $231.6M | -12.9% | 0.957% | 0.01% |
| 17 | Madison Avenue Partners, LP | 112K | $219.4M | +27.8% | 0.907% | 9.44% |
| 18 | WELLINGTON MANAGEMENT GROUP LLP | 102K | $200.0M | -4.0% | 0.827% | 0.03% |
| 19 | Bank Julius Baer & Co. Ltd, Zurich | 93K | $181.0M | -4.9% | 0.747% | 0.47% |
| 20 | Davis Asset Management, L.P. | 92K | $179.9M | +30.4% | 0.743% | 4.56% |
| 21 | GOLDMAN SACHS GROUP INC | 88K | $172.3M | +79.1% | 0.712% | 0.01% |
| 22 | FENIMORE ASSET MANAGEMENT INC | 87K | $170.4M | +0.8% | 0.704% | 3.53% |
| 23 | NORTHERN TRUST CORP | 84K | $164.1M | -1.9% | 0.678% | 0.02% |
| 24 | FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | 82K | $160.0M | +2.7% | 0.661% | 0.80% |
| 25 | Douglass Winthrop Advisors, LLC | 80K | $157.0M | -0.2% | 0.649% | 2.71% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MKL — a direct measure of their conviction.
Filings activity in MKL during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 933 | +0.6% | 78.38% | +0.15 pp | $18.35B | +3.8% |
| Q1 2026 | 927 | +2.5% | 78.23% | 1.82 pp | $17.67B | 13% |
| Q4 2025 | 904 | +8.0% | 80.05% | +3.04 pp | $20.35B | +12% |
| Q3 2025 | 837 | +0.4% | 77.01% | 4.30 pp | $18.24B | 5.0% |
| Q2 2025 | 834 | +1.1% | 81.31% | 0.67 pp | $19.19B | +7.6% |
| Q1 2025 | 825 | +3.0% | 81.98% | +2.65 pp | $17.83B | +13% |
| Q4 2024 | 801 | +3.6% | 79.33% | +1.10 pp | $15.83B | +11% |
| Q3 2024 | 773 | — | 78.23% | — | $14.30B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as a key fundamental indicator because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 6, 2026 | Leopold Diane | Buy | 100 | $1792.61 | $179K |
| May 1, 2026 | Puckett A. Lynne | Buy | 57 | $1795.53 | $102K |
Quick answers to the most common questions about buying MKL stock.
Based on Q2 2026 13F filings, institutional ownership of Markel Corporation stands at 78.4%, held across 933 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MKL, with approximately 697,836 shares worth $1.36B as of Q2 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MKL.
Our composite Smart Money Score for MKL is 37 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
92 institutions opened new positions in MKL during Q2 2026, while 90 fully exited. 562 added to existing positions and 249 trimmed.
MKL institutional ownership rose by 0.15 percentage points quarter-over-quarter, with a net change of +6 holders.
The top 10 institutions account for 42.7% of all reported 13F value in MKL, and the top 25 account for 61.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Markel Corporation (MKL) Institutional Ownership