Mercury GeneralMCY
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 309 institutions reported holding Mercury General Corp. (MCY) in their 13F filings, down 7 from Q4 2025. 41 opened new positions and 48 sold out. The largest holders were BlackRock, Inc. ($380.6M), Rubric Capital Management LP ($189.9M) and Dimensional Fund Advisors LP ($189.5M). 7 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Mercury General Corp.
- CUSIP
- 589400100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 41 | $40.7M |
| Exits | 48 | $43.0M |
All 13F filers, Q4 2025 → Q1 2026: 2,246,754 shares bought and 1,853,828 shares sold, net +392,926 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 309 holders
| BlackRock, Inc. | 0.01% | Reduce -7.3% | 4,317,164 | $380.6M |
| Rubric Capital Management LP | 2.33% | Add +4.9% | 2,154,504 | $189.9M |
| Dimensional Fund Advisors LP | 0.04% | Add +2.2% | 2,149,647 | $189.5M |
| Vanguard Portfolio Management LLC | 0.01% | — | 1,717,862 | $151.4M |
| Vanguard Capital Management LLC | 0.00% | — | 1,226,459 | $108.1M |
| State Street Corp. | 0.00% | Reduce -0.8% | 1,099,091 | $96.9M |
| Renaissance Technologies | 0.11% | Reduce -6.6% | 823,582 | $72.6M |
| American Century Companies Inc. | 0.04% | Add +16.3% | 813,320 | $71.7M |
| Geode Capital Management, LLC | 0.00% | Add +19.1% | 754,127 | $66.5M |
| DG Capital Management, LLC | 26.53% | Reduce -4.0% | 594,377 | $52.4M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +0.0% | 574,897 | $50.7M |
| Invesco Ltd. | 0.00% | Add +83.2% | 572,679 | $50.5M |
| Morgan Stanley | 0.00% | Reduce -2.1% | 378,172 | $33.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.8% | 357,279 | $31.5M |
| Jacobs Levy Equity Management, Inc. | 0.13% | Reduce -13.5% | 352,849 | $31.1M |
| AQR Capital Management | 0.01% | Add +3.1% | 351,459 | $30.9M |
| UBS Group AG | 0.00% | Add +137.6% | 307,171 | $27.1M |
| Two Sigma Investments, LP | 0.02% | Add +35.0% | 289,047 | $25.5M |
| Northern Trust Corp. | 0.00% | Add +3.9% | 269,738 | $23.8M |
| Philosophy Capital Management LLC | 2.64% | Add +0.4% | 257,296 | $22.7M |
| Nuveen, LLC | 0.01% | Reduce -11.4% | 255,495 | $22.5M |
| Westwood Holdings Group Inc. | 0.16% | Reduce -46.0% | 251,025 | $22.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.2% | 243,500 | $21.5M |
| BNP Paribas Financial Markets | 0.01% | Add +34.0% | 217,713 | $19.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +42.3% | 193,129 | $17.0M |
| Park West Asset Management LLC | 1.50% | Reduce -41.4% | 193,006 | $17.0M |
| JPMorgan Chase & Co. | 0.00% | Add +92.8% | 189,128 | $16.6M |
| Principal Financial Group Inc. | 0.01% | Add +40.5% | 178,064 | $15.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 172,423 | $15.2M |
| Algert Global LLC | 0.23% | Add +142.6% | 170,213 | $15.0M |
| Baird Financial Group, Inc. | 0.02% | Reduce -9.6% | 145,640 | $12.8M |
| Sei Investments Co. | 0.01% | Reduce -3.3% | 141,647 | $12.5M |
| Marshall Wace, LLP | 0.01% | New | 136,647 | $12.0M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | Reduce -18.2% | 133,703 | $11.8M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -35.4% | 119,067 | $10.5M |
| Allianz Asset Management GmbH | 0.01% | New | 113,592 | $10.0M |
| Citadel Advisors | 0.01% | Add +138.8% | 110,326 | $9.7M |
| Raymond James Financial Inc. | 0.00% | Add +13.1% | 110,185 | $9.7M |
| Jane Street Group, LLC | 0.01% | Add +25.6% | 107,700 | $9.5M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -0.6% | 104,658 | $9.2M |
| Public Sector Pension Investment Board | 0.03% | Add +3.4% | 95,134 | $8.4M |
| Voloridge Investment Management, LLC | 0.03% | Add +45.2% | 85,653 | $7.6M |
| Victory Capital Management Inc. | 0.00% | Add +16.8% | 85,307 | $7.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +64.1% | 83,486 | $7.4M |
| Ameriprise Financial Inc. | 0.00% | Reduce -8.2% | 82,385 | $7.3M |
| Federated Hermes, Inc. | 0.01% | Add +5.2% | 81,988 | $7.2M |
| Assenagon Asset Management S.A. | 0.01% | Add +23.0% | 80,077 | $7.1M |
| Aptus Capital Advisors, LLC | 0.06% | Add +1.1% | 79,715 | $7.0M |
| Bank of America Corp. | 0.00% | Add +85.7% | 74,938 | $6.6M |
| PEAK6 LLC | 0.19% | Add +70.1% | 74,346 | $6.6M |
| O'shaughnessy Asset Management, LLC | 0.03% | Add +22.9% | 74,018 | $6.5M |
| Legal & General Group Plc | 0.00% | Reduce -6.3% | 73,184 | $6.5M |
| Rhumbline Advisers | 0.01% | Add +0.6% | 71,477 | $6.3M |
| Candriam S.C.A. | 0.03% | New | 66,774 | $5.9M |
| First Trust Advisors LP | 0.00% | Add +32.2% | 62,181 | $5.5M |
| Ieq Capital, LLC | 0.02% | Reduce -4.6% | 60,497 | $5.3M |
| Prudential Financial Inc. | 0.01% | Add +4.3% | 59,962 | $5.3M |
| LSV Asset Management | 0.01% | No change | 55,700 | $4.9M |
| Swiss National Bank | 0.00% | No change | 54,700 | $4.8M |
| Trexquant Investment LP | 0.03% | Reduce -13.3% | 52,758 | $4.7M |
| Millennium Management | 0.00% | Reduce -12.9% | 48,890 | $4.3M |
| Engineers Gate Manager LP | 0.05% | Add +205.9% | 46,096 | $4.1M |
| Martingale Asset Management L P | 0.10% | Add +5.8% | 43,232 | $3.8M |
| Citigroup Inc. | 0.00% | Add +5.3% | 40,528 | $3.6M |
| Ritholtz Wealth Management | 0.06% | Add +58.6% | 40,483 | $3.6M |
| New York State Teachers Retirement System | 0.01% | Reduce -2.3% | 39,708 | $3.5M |
| Horizon Investments, LLC | 0.04% | Add +67.5% | 38,454 | $3.4M |
| Denali Advisors LLC | 0.37% | Add +855.4% | 38,214 | $3.4M |
| Alliancebernstein L.P. | 0.00% | Reduce -2.2% | 34,895 | $3.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +25.1% | 34,474 | $3.0M |
| California State Teachers Retirement System | 0.00% | Add +29.4% | 33,853 | $3.0M |
| Point72 Asset Management | 0.01% | Reduce -28.1% | 32,590 | $2.9M |
| Globeflex Capital L P | 0.43% | No change | 32,133 | $2.8M |
| Tudor Investment Corporation | 0.01% | Reduce -36.4% | 31,567 | $2.8M |
| Bridgeway Capital Management, LLC | 0.05% | Reduce -23.5% | 27,700 | $2.4M |
| FMR LLC | 0.00% | Reduce -44.1% | 27,174 | $2.4M |
| Proficio Capital Partners LLC | 0.13% | New | 26,986 | $2.4M |
| HSBC Holdings PLC | 0.00% | Add +44.8% | 26,561 | $2.4M |
| Deutsche Bank AG | 0.00% | Add +11.0% | 26,772 | $2.4M |
| Susquehanna Fundamental Investments, LLC | 0.09% | Reduce -63.4% | 26,590 | $2.3M |
| Voleon Capital Management LP | 0.05% | Reduce -23.0% | 26,506 | $2.3M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -3.7% | 25,889 | $2.3M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Reduce -53.3% | 25,898 | $2.3M |
| Mariner, LLC | 0.00% | Reduce -6.3% | 25,343 | $2.2M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 24,143 | $2.1M |
| Inspire Investing, LLC | 0.12% | Add +30.5% | 24,074 | $2.1M |
| Royal Bank of Canada | 0.00% | Add +35.5% | 24,010 | $2.1M |
| State of Wisconsin Investment Board | 0.00% | Reduce -3.3% | 23,978 | $2.1M |
| Susquehanna International Group, LLP | 0.00% | Reduce -72.1% | 22,930 | $2.0M |
| Royce & Associates LP | 0.02% | Reduce -17.2% | 22,280 | $2.0M |
| Bank & Trust Co | 1.29% | Reduce -3.1% | 21,740 | $1.9M |
| Cerity Partners LLC | 0.00% | Add +7.6% | 21,130 | $1.9M |
| Hussman Strategic Advisors, Inc. | 0.40% | New | 21,000 | $1.9M |
| Tidal Investments LLC | 0.01% | Add +128.9% | 20,683 | $1.8M |
| State of Alaska, Department of Revenue | 0.02% | Reduce -2.0% | 19,735 | $1.7M |
| Thrivent Financial for Lutherans | 0.00% | Add +6.9% | 19,522 | $1.7M |
| Cwm, LLC | 0.00% | Add +0.6% | 18,810 | $1.7M |
| New York State Common Retirement Fund | 0.00% | Add +95.5% | 18,426 | $1.6M |
| Voya Investment Management LLC | 0.00% | Add +76.5% | 18,076 | $1.6M |
| Wells Fargo & Company | 0.00% | Reduce -52.3% | 17,881 | $1.6M |
"% of holder's portfolio" is MCY's weight in each manager's 13F, not the share of Mercury General Corp. the manager owns.