MERCURY GENERAL CORP (MCY) Top Institutional Shareholders
MERCURY GENERAL CORP (MCY) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.24B in MCY holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MCY tracked by InsiderSet, reporting ownership valued at approximately $380.56M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $437.76M, representing an estimated gain of +15.03% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 62% of the total disclosed MCY value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Rubric Capital Management Lp, Dimensional Fund Advisors Lp, and several other long-term asset managers with concentrated positions in MERCURY GENERAL CORP (MCY).
This page ranks the largest institutional MCY shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
302
Total Reported Value
$2.24B
Largest Holder
Blackrock, Inc.
Largest Position
$380.56M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
97
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 4,317,164 | $380,558,010 | $437,760,430 | +$57,202,420 | +15.03% | |
| Rubric Capital Management Lp | 2.33% | 2,154,504 | $189,919,528 | $218,466,706 | +$28,547,178 | +15.03% | |
| Dimensional Fund Advisors Lp | 0.04% | 2,149,647 | $189,491,888 | $217,974,206 | +$28,482,318 | +15.03% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,717,862 | $151,429,535 | $174,191,207 | +$22,761,672 | +15.03% | |
| Vanguard Capital Management Llc | 0.00% | 1,226,459 | $108,112,361 | $124,362,943 | +$16,250,582 | +15.03% | |
| State Street Corp | 0.00% | 1,099,091 | $96,884,872 | $111,447,827 | +$14,562,955 | +15.03% | |
| Renaissance Technologies LLC | Jim Simons | 0.11% | 823,582 | $72,598,753 | $83,511,215 | +$10,912,462 | +15.03% |
| American Century Companies Inc | 0.04% | 813,320 | $71,694,221 | $82,470,648 | +$10,776,427 | +15.03% | |
| Geode Capital Management, Llc | 0.00% | 754,127 | $66,487,446 | $76,468,478 | +$9,981,032 | +15.01% | |
| Dg Capital Management, Llc | 22.66% | 594,377 | $52,394,333 | $60,269,828 | +$7,875,495 | +15.03% | |
| Arrowstreet Capital, Limited Partnership | 0.03% | 574,897 | $50,677,171 | $58,294,556 | +$7,617,385 | +15.03% | |
| Invesco Ltd. | 0.01% | 572,679 | $50,481,654 | $58,069,651 | +$7,587,997 | +15.03% | |
| Morgan Stanley | 0.00% | 378,172 | $33,336,070 | $38,346,641 | +$5,010,571 | +15.03% | |
| Charles Schwab Investment Management Inc | 0.00% | 357,279 | $31,494,144 | $36,228,091 | +$4,733,947 | +15.03% | |
| Jacobs Levy Equity Management, Inc | 0.13% | 352,849 | $31,103,639 | $35,778,889 | +$4,675,250 | +15.03% | |
| Aqr Capital Management Llc | 0.01% | 351,459 | $30,872,156 | $35,637,943 | +$4,765,787 | +15.44% | |
| Ubs Group Ag | 0.00% | 307,171 | $27,077,124 | $31,147,139 | +$4,070,015 | +15.03% | |
| Two Sigma Investments, Lp | 0.02% | 289,047 | $25,479,493 | $29,309,366 | +$3,829,873 | +15.03% | |
| Northern Trust Corp | 0.00% | 269,738 | $23,777,406 | $27,351,433 | +$3,574,027 | +15.03% | |
| Philosophy Capital Management Llc | 2.64% | 257,296 | $22,680,642 | $26,089,814 | +$3,409,172 | +15.03% | |
| Nuveen, Llc | 0.01% | 255,495 | $22,521,884 | $25,907,193 | +$3,385,309 | +15.03% | |
| Westwood Holdings Group Inc | 0.16% | 251,025 | $22,127,853 | $25,453,935 | +$3,326,082 | +15.03% | |
| Bank Of New York Mellon Corp | 0.00% | 243,500 | $21,464,547 | $24,690,900 | +$3,226,353 | +15.03% | |
| Bnp Paribas Financial Markets | 0.01% | 217,713 | $19,191,401 | $22,076,098 | +$2,884,697 | +15.03% | |
| Goldman Sachs Group Inc | 0.00% | 193,129 | $17,024,335 | $19,583,281 | +$2,558,946 | +15.03% | |
| Park West Asset Management Llc | 1.50% | 193,006 | $17,013,479 | $19,570,808 | +$2,557,329 | +15.03% | |
| Principal Financial Group Inc | 0.01% | 178,064 | $15,696,341 | $18,055,690 | +$2,359,349 | +15.03% | |
| Vanguard Fiduciary Trust Co | 0.00% | 172,423 | $15,199,087 | $17,483,692 | +$2,284,605 | +15.03% | |
| Baird Financial Group, Inc. | 0.02% | 145,640 | $12,838,166 | $14,767,896 | +$1,929,730 | +15.03% | |
| Sei Investments Co | 0.01% | 141,647 | $12,486,181 | $14,363,006 | +$1,876,825 | +15.03% | |
| Marshall Wace, Llp | 0.01% | 136,647 | $12,045,434 | $13,856,006 | +$1,810,572 | +15.03% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | 133,703 | $11,785,919 | $13,557,484 | +$1,771,565 | +15.03% | |
| Qube Research & Technologies Ltd | 0.01% | 119,067 | $10,495,756 | $12,073,394 | +$1,577,638 | +15.03% | |
| Allianz Asset Management Gmbh | 0.01% | 113,592 | $10,013,136 | $11,518,229 | +$1,505,093 | +15.03% | |
| Citadel Advisors Llc | 0.01% | 110,326 | $9,725,237 | $11,187,056 | +$1,461,819 | +15.03% | |
| Raymond James Financial Inc | 0.00% | 110,185 | $9,712,838 | $11,172,759 | +$1,459,921 | +15.03% | |
| Jane Street Group, Llc | 0.01% | 107,700 | $9,493,755 | $10,920,780 | +$1,427,025 | +15.03% | |
| Russell Investments Group, Ltd. | 0.01% | 104,658 | $9,225,671 | $10,612,321 | +$1,386,650 | +15.03% | |
| Public Sector Pension Investment Board | 0.03% | 95,134 | $8,386,062 | $9,646,588 | +$1,260,526 | +15.03% | |
| Voloridge Investment Management, Llc | 0.03% | 85,653 | $7,550,312 | $8,685,214 | +$1,134,902 | +15.03% | |
| Victory Capital Management Inc | 0.00% | 85,307 | $7,519,812 | $8,650,130 | +$1,130,318 | +15.03% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 83,486 | $7,359,291 | $8,465,480 | +$1,106,189 | +15.03% | |
| Ameriprise Financial Inc | 0.00% | 82,385 | $7,262,215 | $8,353,839 | +$1,091,624 | +15.03% | |
| Federated Hermes, Inc. | 0.01% | 81,988 | $7,227,243 | $8,313,583 | +$1,086,340 | +15.03% | |
| Assenagon Asset Management S.A. | 0.01% | 80,077 | $7,058,788 | $8,119,808 | +$1,061,020 | +15.03% | |
| Aptus Capital Advisors, Llc | 0.06% | 79,715 | $7,026,878 | $8,083,101 | +$1,056,223 | +15.03% | |
| Bank Of America Corp | 0.00% | 74,938 | $6,605,785 | $7,598,713 | +$992,928 | +15.03% | |
| Peak6 Llc | 0.19% | 74,346 | $6,553,600 | $7,538,684 | +$985,084 | +15.03% | |
| O'Shaughnessy Asset Management, Llc | 0.03% | 74,018 | $6,524,687 | $7,505,425 | +$980,738 | +15.03% | |
| Legal & General Group Plc | 0.00% | 73,184 | $6,451,171 | $7,420,858 | +$969,687 | +15.03% |
Frequently asked questions about MCY
Who owns the most MCY stock?
The largest holders of MCY are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MERCURY GENERAL CORP (MCY).
Is MCY widely held by superinvestors?
Many widely followed stocks like MCY appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MCY is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.