Institutional Holders (2026 Q1)
916 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in MKL. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Citadel Investment Advisory, Inc. | 13.92% | 15,242 | $29.2M |
| 2 | Capco Asset Management, LLC | 13.49% | 25,839 | $49.5M |
| 3 | Luma Capital S.A. - SPF | 12.95% | 7,032 | $13.5M |
| 4 | Greenlea Lane Capital Management, LLC | 12.54% | 22,555 | $43.2M |
| 5 | Rockbridge Asset Management LLC | 12.07% | 9,389 | $18.0M |
| 6 | Avenir Corp | 10.69% | 45,832 | $87.7M |
| 7 | Banyan Capital Management, INC. | 9.12% | 11,053 | $21.2M |
| 8 | JANA Partners Management, LP | 8.98% | 75,307 | $144.1M |
| 9 | Barr E S & Co | 8.60% | 77,222 | $147.8M |
| 10 | Lafayette Investments, Inc. | 7.71% | 19,901 | $38.1M |
| 11 | Chapman Investment Management, LLC | 7.52% | 4,760 | $9.1M |
| 12 | Madison Avenue Partners, LP | 7.32% | 87,889 | $168.2M |
| 13 | Broad Run Investment Management, LLC | 6.98% | 20,709 | $39.6M |
| 14 | Lincoln Capital LLC | 6.59% | 18,181 | $34.8M |
| 15 | Seneca House Advisors | 6.13% | 8,054 | $15.4M |
| 16 | PYA Waltman Capital, LLC | 6.05% | 11,398 | $21.8M |
| 17 | Regency Capital Management Inc.\DE | 5.71% | 6,667 | $12.8M |
| 18 | Poehling Capital Management, INC. | 5.41% | 13,433 | $25.7M |
| 19 | Mraz, Amerine & Associates, Inc. | 5.40% | 19,137 | $36.6M |
| 20 | Canerector Inc | 5.11% | 5,635 | $10.8M |
| 21 | Oslo Pensjonsforsikring As | 5.04% | 16,910 | $32.4M |
| 22 | Inkwell Capital LLC | 5.01% | 2,571 | $4.9M |
| 23 | Check Capital Management Inc/Ca | 4.28% | 76,886 | $147.2M |
| 24 | Davis Asset Management, L.P. | 3.91% | 70,631 | $135.2M |
| 25 | Van Lanschot Kempen Investment Management N.V. | 3.80% | 226,148 | $432.9M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|