Security
Markel Corp. · COM
21 owners 3 new max 12.5% (Josh Tarasoff - Greenlea ...)
owners
21
rank
#119
master %
0.04%
max %
12.5%
tracked value
$4.3B
qoq
N 3
A 9
R 7
holders
sorted by % of portfolio · long equity only
| manager | % port | activity | shares | value | history |
|---|---|---|---|---|---|
| Josh Tarasoff - Greenlea Lane Capital Management, LLC 2026 Q1 | 12.5% | Reduce -1.83 pp | 22,555 | $43M | hist |
| Jana Partners Management, LP 2026 Q1 | 9.0% | New 9.0% | 75,307 | $144M | hist |
| Steven Check - Check Capital Management INC/CA 2026 Q1 | 4.3% | Reduce -0.55 pp | 76,886 | $147M | hist |
| Christopher Davis - Davis Selected Advisers 2026 Q1 | 3.4% | Reduce -0.64 pp | 383,433 | $734M | hist |
| Francois Rochon - Giverny Capital Inc. 2026 Q1 | 3.0% | Reduce -0.14 pp | 42,944 | $82M | hist |
| Thomas Russo - Gardner Russo & Quinn LLC 2026 Q1 | 0.1% | Reduce -0.03 pp | 4,954 | $9M | hist |
| Marshall Wace - Marshall Wace, LLP 2026 Q1 | 0.1% | Add +0.07 pp | 53,900 | $103M | hist |
| Renaissance Technologies LLC 2026 Q1 | 0.1% | Add +0.02 pp | 34,621 | $66M | hist |
| Joel Greenblatt - Gotham Asset Management, LLC 2026 Q1 | 0.1% | Add +0.01 pp | 9,171 | $18M | hist |
| Ancora Advisors LLC 2026 Q1 | 0.1% | Add 0.00 pp | 1,230 | $2M | hist |
| Vanguard Group Inc. 2025 Q4 stale | 0.0% | Reduce 0.00 pp | 1,171,904 | $2.5B | hist |
| Murray Stahl - Horizon Kinetics Asset Management LLC 2026 Q1 | 0.0% | — | 2,102 | $4M | hist |
| Norges Bank 2025 Q4 stale | 0.0% | Exit -0.03 pp | 147,737 | $318M | hist |
| Steve Cohen - Point72 Asset Management, L.P. 2026 Q1 | 0.0% | New 0.0% | 8,448 | $16M | hist |
| Ray Dalio - Bridgewater Associates, LP 2026 Q1 | 0.0% | Add 0.00 pp | 2,053 | $4M | hist |
| Israel Englander - Millennium Management LLC 2026 Q1 | 0.0% | Add 0.00 pp | 15,059 | $29M | hist |
| Cliff Asness - Aqr Capital Management LLC 2026 Q1 | 0.0% | Reduce -0.01 pp | 13,094 | $25M | hist |
| Dmitry Balyasny - Balyasny Asset Management L.P. 2026 Q1 | 0.0% | New 0.0% | 3,683 | $7M | hist |
| Ken Griffin - Citadel Advisors LLC 2026 Q1 | 0.0% | Add 0.00 pp | 4,572 | $9M | hist |
| D. E. Shaw & Co., Inc. 2026 Q1 | 0.0% | Add 0.00 pp | 3,753 | $7M | hist |
| Ken Fisher - Fisher Asset Management, LLC 2026 Q1 | 0.0% | Add 0.00 pp | 257 | $492 | hist |
No managers match this filter.
SEC filings
Recent issuer filings from EDGAR · 25 shown
| Filed | Form | Detail | Links |
|---|---|---|---|
| 10-Q | FORM 10-Q | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 8-K | 9.01 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 8-K | 7.01,9.01 | Filing Doc | |
| 4 | FORM 4 | Filing Doc | |
| 4 | FORM 4 | Filing Doc |
No filings match this filter.
financials
US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing
Income statement
Balance sheet
ownership over time
filing count by report period · click a bar for that quarter’s holders