Mercury GeneralMCY
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 316 institutions reported holding Mercury General Corp. (MCY) in their 13F filings, up 29 from Q3 2025. 51 opened new positions and 29 sold out. The largest holders were BlackRock, Inc. ($438.0M), Vanguard Group Inc. ($291.1M) and Dimensional Fund Advisors LP ($197.8M). 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 51 | $29.0M |
| Exits | 29 | $22.1M |
All 13F filers, Q3 2025 → Q4 2025: 1,533,207 shares bought and 1,377,654 shares sold, net +155,553 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 316 holders
| BlackRock, Inc. | 0.01% | Add +1.5% | 4,656,726 | $438.0M |
| Vanguard Group Inc. | 0.00% | Reduce -1.0% | 3,095,241 | $291.1M |
| Dimensional Fund Advisors LP | 0.04% | Add +1.1% | 2,103,088 | $197.8M |
| Rubric Capital Management LP | 2.31% | No change | 2,054,504 | $193.2M |
| State Street Corp. | 0.00% | Reduce -5.2% | 1,108,274 | $104.2M |
| Renaissance Technologies | 0.13% | Reduce -15.5% | 881,382 | $82.9M |
| American Century Companies Inc. | 0.03% | Add +20.9% | 699,491 | $65.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.2% | 633,478 | $59.6M |
| DG Capital Management, LLC | 63.78% | Reduce -4.8% | 619,469 | $58.3M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Reduce -1.3% | 574,797 | $54.1M |
| Westwood Holdings Group Inc. | 0.36% | Reduce -11.8% | 465,237 | $43.8M |
| Jacobs Levy Equity Management, Inc. | 0.15% | Add +4.4% | 408,116 | $38.4M |
| Morgan Stanley | 0.00% | Add +10.8% | 386,300 | $36.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -3.2% | 363,684 | $34.2M |
| AQR Capital Management | 0.02% | Reduce -0.5% | 341,028 | $32.1M |
| Park West Asset Management LLC | 2.61% | Add +16.6% | 329,435 | $31.0M |
| Invesco Ltd. | 0.00% | Reduce -34.3% | 312,574 | $29.4M |
| Nuveen, LLC | 0.01% | Reduce -4.7% | 288,284 | $27.1M |
| Northern Trust Corp. | 0.00% | Reduce -6.0% | 259,612 | $24.4M |
| Philosophy Capital Management LLC | 2.82% | Add +84.5% | 256,380 | $24.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -12.9% | 249,069 | $23.4M |
| Two Sigma Investments, LP | 0.03% | Reduce -6.9% | 214,086 | $20.1M |
| Qube Research & Technologies Ltd | 0.02% | Add +128.6% | 184,224 | $17.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.04% | Reduce -24.1% | 163,539 | $15.4M |
| BNP Paribas Financial Markets | 0.01% | Add +34.6% | 162,438 | $15.3M |
| Baird Financial Group, Inc. | 0.02% | Add +3.0% | 161,155 | $15.2M |
| Lakewood Capital Management, LP | 1.04% | No change | 158,218 | $14.9M |
| Sei Investments Co. | 0.01% | Reduce -5.2% | 146,446 | $13.8M |
| Two Sigma Advisers, LP | 0.03% | Reduce -10.8% | 140,200 | $13.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +11.8% | 135,747 | $12.8M |
| UBS Group AG | 0.00% | Reduce -7.3% | 129,265 | $12.2M |
| Principal Financial Group Inc. | 0.01% | Reduce -1.3% | 126,728 | $11.9M |
| Russell Investments Group, Ltd. | 0.01% | Add +10.6% | 105,290 | $9.9M |
| JPMorgan Chase & Co. | 0.00% | Add +32.2% | 98,099 | $9.2M |
| Raymond James Financial Inc. | 0.00% | Add +20.6% | 97,425 | $9.2M |
| Public Sector Pension Investment Board | 0.03% | Reduce -11.3% | 92,000 | $8.7M |
| Ameriprise Financial Inc. | 0.00% | Reduce -16.1% | 89,740 | $8.4M |
| Jane Street Group, LLC | 0.01% | Reduce -15.7% | 85,730 | $8.1M |
| Susquehanna International Group, LLP | 0.01% | Add +30.3% | 82,138 | $7.7M |
| Aptus Capital Advisors, LLC | 0.06% | Add +0.5% | 78,878 | $7.4M |
| Legal & General Group Plc | 0.00% | Reduce -3.8% | 78,118 | $7.3M |
| Federated Hermes, Inc. | 0.01% | Add +37.9% | 77,903 | $7.3M |
| Victory Capital Management Inc. | 0.00% | Add +36.1% | 73,071 | $6.9M |
| Susquehanna Fundamental Investments, LLC | 0.23% | No change | 72,612 | $6.8M |
| Rhumbline Advisers | 0.01% | Reduce -5.9% | 71,066 | $6.7M |
| Algert Global LLC | 0.10% | Add +103.4% | 70,158 | $6.6M |
| Assenagon Asset Management S.A. | 0.01% | Add +75.8% | 65,124 | $6.1M |
| Ieq Capital, LLC | 0.02% | Add +1.7% | 63,435 | $6.0M |
| Trexquant Investment LP | 0.05% | Add +36.3% | 60,888 | $5.7M |
| O'shaughnessy Asset Management, LLC | 0.03% | Add +100.8% | 60,244 | $5.7M |
| Voloridge Investment Management, LLC | 0.02% | Add +302.8% | 58,984 | $5.5M |
| Prudential Financial Inc. | 0.01% | Reduce -5.7% | 57,482 | $5.4M |
| Millennium Management | 0.00% | Reduce -37.4% | 56,120 | $5.3M |
| LSV Asset Management | 0.01% | No change | 55,700 | $5.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Reduce -2.8% | 55,400 | $5.2M |
| Swiss National Bank | 0.00% | Add +1.9% | 54,700 | $5.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -4.2% | 50,869 | $4.8M |
| Tudor Investment Corporation | 0.03% | Add +157.6% | 49,617 | $4.7M |
| FMR LLC | 0.00% | Add +87.3% | 48,589 | $4.6M |
| First Trust Advisors LP | 0.00% | Add +85.2% | 47,042 | $4.4M |
| Informed Momentum Co LLC | 0.48% | New | 46,268 | $4.4M |
| Citadel Advisors | 0.00% | Reduce -29.9% | 46,197 | $4.3M |
| Barclays PLC | 0.00% | Add +18.3% | 45,771 | $4.3M |
| Point72 Asset Management | 0.01% | New | 45,318 | $4.3M |
| PEAK6 LLC | 0.11% | Add +353.1% | 43,705 | $4.1M |
| Martingale Asset Management L P | 0.10% | Add +0.2% | 40,852 | $3.8M |
| New York State Teachers Retirement System | 0.01% | Reduce -1.6% | 40,651 | $3.8M |
| Bank of America Corp. | 0.00% | Reduce -6.0% | 40,352 | $3.8M |
| Citigroup Inc. | 0.00% | Add +391.4% | 38,503 | $3.6M |
| Wells Fargo & Company | 0.00% | Add +34.9% | 37,459 | $3.5M |
| Bridgeway Capital Management, LLC | 0.07% | Reduce -26.0% | 36,201 | $3.4M |
| Group One Trading LLC | 0.10% | Add +561.7% | 36,156 | $3.4M |
| Alliancebernstein L.P. | 0.00% | Add +8.2% | 35,695 | $3.4M |
| Voleon Capital Management LP | 0.07% | Add +640.9% | 34,439 | $3.2M |
| Globeflex Capital L P | 0.46% | Add +397.3% | 32,133 | $3.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +3.2% | 27,555 | $2.6M |
| Mariner, LLC | 0.00% | Add +3.3% | 27,040 | $2.5M |
| Royce & Associates LP | 0.03% | Reduce -5.6% | 26,916 | $2.5M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +12.7% | 26,888 | $2.5M |
| Weiss Asset Management LP | 0.05% | New | 26,631 | $2.5M |
| California State Teachers Retirement System | 0.00% | Add +2.5% | 26,160 | $2.5M |
| Ritholtz Wealth Management | 0.04% | Add +579.7% | 25,523 | $2.4M |
| State of Wisconsin Investment Board | 0.01% | Add +39.5% | 24,789 | $2.3M |
| Deutsche Bank AG | 0.00% | Reduce -73.8% | 24,110 | $2.3M |
| Jefferies Financial Group Inc. | 0.02% | Reduce -1.9% | 24,091 | $2.3M |
| Walleye Trading LLC | 0.04% | Add +241.9% | 23,854 | $2.2M |
| Natixis | 0.01% | New | 23,750 | $2.2M |
| HRT Financial LP | 0.01% | Reduce -9.6% | 23,398 | $2.2M |
| Horizon Investments, LLC | 0.03% | Reduce -15.8% | 22,954 | $2.2M |
| Bank & Trust Co | 1.49% | Reduce -4.4% | 22,438 | $2.1M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 20,248 | $1.9M |
| State of Alaska, Department of Revenue | 0.02% | Add +28.5% | 20,148 | $1.9M |
| Cerity Partners LLC | 0.00% | Add +7.8% | 19,642 | $1.8M |
| Cwm, LLC | 0.00% | Add +1.8% | 18,699 | $1.8M |
| Inspire Investing, LLC | 0.16% | Reduce -2.0% | 18,452 | $1.7M |
| HSBC Holdings PLC | 0.00% | Add +16.2% | 18,350 | $1.7M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -4.8% | 18,269 | $1.7M |
| Royal Bank of Canada | 0.00% | Reduce -14.3% | 17,718 | $1.7M |
| Sanctuary Advisors, LLC | 0.01% | Reduce -20.4% | 15,607 | $1.5M |
| MetLife Investment Management, LLC | 0.01% | Reduce -6.1% | 15,104 | $1.4M |
"% of holder's portfolio" is MCY's weight in each manager's 13F, not the share of Mercury General Corp. the manager owns.