Security record · archived quarter
MKL
Markel Corporation · Financial Services · Insurance - Property & Casualty
18Tracked holders
+2Δ holders
2.99MShares held
$5.97BReported value
+2New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +12.5% ·
share flow -1.2% ·
net new positions +11.1%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 152 | +1 | 5.43M | $10.61B | +9 | −7 |
| Q1 2026 | 153 | +1 | 5.37M | $10.28B | +4 | −4 |
| Q4 2025 | 151 | +3 | 6.19M | $13.30B | +4 | — |
| Q3 2025 | 18 | -2 | 3.38M | $6.46B | — | −3 |
| Q2 2025 | 18 | +2 | 2.99M | $5.97B | +2 | — |
| Q1 2025 | 13 | 0 | 1.11M | $2.07B | — | — |
| Q4 2024 | 13 | -1 | 1.13M | $1.95B | — | −1 |
| Q3 2024 | 13 | -2 | 942.04K | $1.48B | +1 | −3 |
| Q2 2024 | 15 | — | 968.40K | $1.53B | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 1.17M | — | $2.33B | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 1.17M | — | $2.33B | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 1.17M | — | $2.33B | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 1.17M | — | $2.33B | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 1.17M | — | $2.33B | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 712.27K | — | $1.42B | 0.0% | n/c | 1 | SEC ↗ |
| 27 | State Street Global Advisors ✦ (passive) | 298.24K | -3.9% | $595.69M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 213.50K | -3.0% | $425.04M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 213.50K | -3.0% | $425.04M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 30 | Baillie Gifford ✦ | 201.62K | -4.2% | $402.71M | 0.3% | ▼ Trim | 5 | SEC ↗ |
| 31 | Baillie Gifford ✦ | 201.62K | -4.2% | $402.71M | 0.3% | ▼ Trim | 5 | SEC ↗ |
| 32 | Baillie Gifford ✦ | 201.62K | -4.2% | $402.71M | 0.3% | ▼ Trim | 5 | SEC ↗ |
| 33 | Baillie Gifford ✦ | 201.62K | -4.2% | $402.71M | 0.3% | ▼ Trim | 5 | SEC ↗ |
| 34 | Norges Bank ✦ (passive) | 144.37K | -2.2% | $288.36M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | Wellington Management ✦ | 131.95K | -5.7% | $263.56M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | Wellington Management ✦ | 131.95K | -5.7% | $263.56M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 37 | Wellington Management ✦ | 131.95K | -5.7% | $263.56M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 38 | Wellington Management ✦ | 131.95K | -5.7% | $263.56M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 39 | Fidelity (FMR) ✦ | 41.49K | — | $82.86M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Fidelity (FMR) ✦ | 41.49K | — | $82.86M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Fidelity (FMR) ✦ | 41.49K | — | $82.86M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Fidelity (FMR) ✦ | 41.49K | — | $82.86M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Renaissance Technologies ✦ | 25.01K | -10.4% | $49.96M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 44 | AQR Capital Management ✦ | 17.61K | -24.6% | $35.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 45 | AQR Capital Management ✦ | 17.61K | -24.6% | $35.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 46 | AQR Capital Management ✦ | 17.61K | -24.6% | $35.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 47 | AQR Capital Management ✦ | 17.61K | -24.6% | $35.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 48 | Millennium Management ✦ | 9.98K | +640.4% | $19.93M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 49 | T. Rowe Price ✦ | 9.42K | +3.1% | $18.82M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 50 | T. Rowe Price ✦ | 9.42K | +3.1% | $18.82M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 51 | Citadel Advisors ✦ | 7.89K | +1230.5% | $15.76M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 52 | Citadel Advisors ✦ | 7.89K | +1230.5% | $15.76M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 53 | D. E. Shaw & Co. ✦ | 6.02K | +7.8% | $12.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 54 | D. E. Shaw & Co. ✦ | 6.02K | +7.8% | $12.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 55 | Marshall Wace ✦ | 1.84K | -76.2% | $3.68M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 56 | Marshall Wace ✦ | 1.84K | -76.2% | $3.68M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 57 | Marshall Wace ✦ | 1.84K | -76.2% | $3.68M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 58 | Gotham Asset Management ✦ | 1.50K | -5.3% | $2.99M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 59 | Arrowstreet Capital ✦ | 232 | New | $463,388 | 0.0% | New | 1 | SEC ↗ |
| 60 | Fisher Asset Management ✦ | 185 | New | $371,409 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $463,388 | 0.0% |
| Fisher Asset Management | $371,409 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 918 holders, 9.63M shares, $17.54B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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