MCY · Mercury General Corp · Holdings
Market Cap
$5.79B
Shares
55.39M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 352
Total Value: $2,825,921,907
Total Shares: 26,504,616
Showing 1–100
of 356 holdings by value
· page 1 of 4
Institutional Ownership Trend
26 quarters
Superinvestors Holding MCY
All superinvestors →Holder Concentration
Across 352 13F filers · Δ vs Mar 31, 2026Top Holder
17.0%
+0.7 pts
Top 5
42.3%
−1.2 pts
Top 10
60.0%
−0.3 pts
HHI
549
Broadly held+2
Quarterly Activity
vs Mar 31, 2026
New
73
Increased
149
Decreased
79
Sold Out
32
Unchanged
51
Holder count:
+41
Institutional value:
+20.7%
Shares held:
-0.3%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | +207,090 | 961,217 | |
| Mega BlackRock, Inc. | +181,092 | 4,498,256 | |
| Mega AMERICAN CENTURY COMPANIES INC | +147,164 | 960,484 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | +102,736 | 211,866 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | +83,000 | 108,898 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large Rubric Capital Management LP | −613,064 | 1,541,440 | |
| Large JACOBS LEVY EQUITY MANAGEMENT, INC | −186,870 | 165,979 | |
| Mid Park West Asset Management LLC | −137,141 | 55,865 | |
| Small DG Capital Management, LLC | −132,114 | 816,563 | |
| Mega JANE STREET GROUP, LLC | −117,700 | 2,100 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Large PANAGORA ASSET MANAGEMENT INC | 152,007 | $16,206,986 | |
| Mega NORGES BANK | 89,100 | $9,499,842 | |
| Small Philadelphia Financial Management of San Francisco, LLC | 63,200 | $6,738,384 | |
| Small LEUTHOLD GROUP, LLC | 34,271 | $3,653,974 | |
| Small Phocas Financial Corp. | 33,574 | $3,579,659 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Philosophy Capital Management LLC | 257,296 | $22,680,642 | |
| Large Jefferies Financial Group Inc. | 55,241 | $4,869,494 | |
| Mega MILLENNIUM MANAGEMENT LLC | 48,890 | $4,309,653 | |
| Large Point72 Asset Management, L.P. | 32,590 | $2,872,808 | |
| Large TUDOR INVESTMENT CORP ET AL | 31,567 | $2,782,631 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. | $479,604,046 | 16.97% | 4,498,256 | Shares | 2026-08-07 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $230,634,305 | 8.16% | 2,163,143 | Shares | 2026-08-11 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $189,937,772 | 6.72% | 1,781,446 | Shares | 2026-08-13 | |
| Large Rubric Capital Management LP | $164,348,332 | 5.82% | 1,541,440 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $131,425,676 | 4.65% | 1,232,655 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP | $123,675,148 | 4.38% | 1,159,962 | Shares | 2026-08-07 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $102,484,955 | 3.63% | 961,217 | Shares | 2026-08-12 | |
| Mega AMERICAN CENTURY COMPANIES INC | $102,406,804 | 3.62% | 960,484 | Shares | 2026-08-12 | |
| Large RENAISSANCE TECHNOLOGIES LLC | $83,342,934 | 2.95% | 781,682 | Shares | 2026-08-13 | |
| Mega Invesco Ltd. | $68,901,786 | 2.44% | 646,237 | Shares | 2026-08-14 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $61,400,005 | 2.17% | 575,877 | Shares | 2026-08-13 | |
| Small DG Capital Management, LLC | $51,461,529 | 1.82% | 482,663 | Shares | 2026-08-12 | |
| Mega MORGAN STANLEY | $42,722,204 | 1.51% | 400,696 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $37,558,174 | 1.33% | 352,262 | Shares | 2026-08-14 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $36,671,091 | 1.30% | 343,942 | Shares | 2026-08-14 | |
| Small DG Capital Management, LLC | $35,600,418 | 1.26% | 333,900 | Call | 2026-08-12 | |
| Mega NORTHERN TRUST CORP Bank | $31,032,175 | 1.10% | 291,054 | Shares | 2026-08-13 | |
| Mega Nuveen, LLC | $28,196,297 | 1.00% | 264,456 | Shares | 2026-08-11 | |
| Mega Bank of New York Mellon Corp Bank | $26,294,620 | 0.93% | 246,620 | Shares | 2026-08-06 | |
| Large WESTWOOD HOLDINGS GROUP INC | $24,999,298 | 0.88% | 234,471 | Shares | 2026-08-14 | |
| Mega UBS Group AG | $24,167,021 | 0.86% | 226,665 | Shares | 2026-08-13 | |
| Mega TWO SIGMA INVESTMENTS, LP | $22,446,282 | 0.79% | 210,526 | Shares | 2026-08-14 | |
| Mid ALGERT GLOBAL LLC | $21,732,354 | 0.77% | 203,830 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO | $21,722,967 | 0.77% | 203,742 | Shares | 2026-08-12 | |
| Mega GOLDMAN SACHS GROUP INC | $21,397,247 | 0.76% | 200,687 | Shares | 2026-08-14 | |
| Mega PRINCIPAL FINANCIAL GROUP INC | $19,586,733 | 0.69% | 183,706 | Shares | 2026-08-04 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $19,287,664 | 0.68% | 180,901 | Shares | 2026-08-13 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $19,059,177 | 0.67% | 178,758 | Shares | 2026-08-13 | |
| Large JACOBS LEVY EQUITY MANAGEMENT, INC | $17,696,680 | 0.63% | 165,979 | Shares | 2026-08-14 | |
| Large PANAGORA ASSET MANAGEMENT INC | $16,206,986 | 0.57% | 152,007 | Shares | 2026-08-06 | |
| Large FEDERATED HERMES, INC. | $16,077,122 | 0.57% | 150,789 | Shares | 2026-08-12 | |
| Mega Allianz Asset Management GmbH | $13,899,939 | 0.49% | 130,369 | Shares | 2026-09-02 | |
| Large SEI INVESTMENTS CO | $13,785,752 | 0.49% | 129,298 | Shares | 2026-08-14 | |
| Large Connor, Clark & Lunn Investment Management Ltd. | $13,127,160 | 0.46% | 123,121 | Shares | 2026-08-13 | |
| Large Baird Financial Group, Inc. | $12,243,601 | 0.43% | 114,834 | Shares | 2026-08-12 | |
| Mega RAYMOND JAMES FINANCIAL INC | $11,915,317 | 0.42% | 111,755 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $11,826,073 | 0.42% | 110,918 | Shares | 2026-08-06 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension | $11,610,704 | 0.41% | 108,898 | Shares | 2026-08-13 | |
| Large Public Sector Pension Investment Board Pension | $11,514,426 | 0.41% | 107,995 | Shares | 2026-08-13 | |
| Mega VICTORY CAPITAL MANAGEMENT INC | $10,262,601 | 0.36% | 96,254 | Shares | 2026-08-07 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $10,160,886 | 0.36% | 95,300 | Call | 2026-08-14 | |
| Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $9,904,145 | 0.35% | 92,892 | Shares | 2026-08-13 | |
| Mega NORGES BANK Bank | $9,499,842 | 0.34% | 89,100 | Shares | 2026-08-12 | |
| Large PEAK6 LLC | $9,361,022 | 0.33% | 87,798 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $9,229,666 | 0.33% | 86,566 | Shares | 2026-08-14 | |
| Mega FRANKLIN RESOURCES INC | $9,067,708 | 0.32% | 85,047 | Shares | 2026-08-13 | |
| Large Candriam S.C.A. | $9,067,497 | 0.32% | 85,045 | Shares | 2026-08-13 | |
| Small DENALI ADVISORS LLC | $8,693,261 | 0.31% | 81,535 | Shares | 2026-08-10 | |
| Mid Aptus Capital Advisors, LLC | $8,550,390 | 0.30% | 80,195 | Shares | 2026-08-12 | |
| Mega Qube Research & Technologies Ltd | $7,844,033 | 0.28% | 73,570 | Shares | 2026-08-14 | |
| Mega FIRST TRUST ADVISORS LP | $7,654,782 | 0.27% | 71,795 | Shares | 2026-08-11 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $7,424,376 | 0.26% | 69,634 | Shares | 2026-08-14 | |
| Mega Legal & General Group Plc | $7,348,035 | 0.26% | 68,918 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $6,819,415 | 0.24% | 63,960 | Shares | 2026-08-12 | |
| Small Philadelphia Financial Management of San Francisco, LLC | $6,738,384 | 0.24% | 63,200 | Shares | 2026-08-14 | |
| Large PRUDENTIAL FINANCIAL INC | $6,542,949 | 0.23% | 61,367 | Shares | 2026-08-12 | |
| Mega CITIGROUP INC | $6,401,251 | 0.23% | 60,038 | Shares | 2026-08-03 | |
| Mid Lighthouse Investment Partners, LLC | $5,982,021 | 0.21% | 56,106 | Shares | 2026-08-14 | |
| Mid Park West Asset Management LLC | $5,956,326 | 0.21% | 55,865 | Shares | 2026-08-14 | |
| Large LSV ASSET MANAGEMENT | $5,938,734 | 0.21% | 55,700 | Shares | 2026-08-06 | |
| Mega Swiss National Bank Bank | $5,928,072 | 0.21% | 55,600 | Shares | 2026-08-11 | |
| Mega AMERIPRISE FINANCIAL INC | $5,880,625 | 0.21% | 55,155 | Shares | 2026-08-14 | |
| Mid RITHOLTZ WEALTH MANAGEMENT | $5,691,055 | 0.20% | 53,377 | Shares | 2026-08-11 | |
| Mid MARTINGALE ASSET MANAGEMENT L P | $5,506,816 | 0.19% | 51,649 | Shares | 2026-08-13 | |
| Large IEQ CAPITAL, LLC | $5,428,877 | 0.19% | 50,918 | Shares | 2026-08-11 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $5,422,903 | 0.19% | 50,862 | Shares | 2026-08-13 | |
| Large Trexquant Investment LP | $5,171,922 | 0.18% | 48,508 | Shares | 2026-08-14 | |
| Mid Horizon Investments, LLC | $5,014,018 | 0.18% | 47,027 | Shares | 2026-08-13 | |
| Small GLOBEFLEX CAPITAL L P | $4,900,681 | 0.17% | 45,964 | Shares | 2026-08-12 | |
| Large MARSHALL WACE, LLP | $4,853,982 | 0.17% | 45,526 | Shares | 2026-08-13 | |
| Mid Engineers Gate Manager LP | $4,637,756 | 0.16% | 43,498 | Shares | 2026-08-14 | |
| Large VOLORIDGE INVESTMENT MANAGEMENT, LLC | $4,482,091 | 0.16% | 42,038 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. | $4,306,914 | 0.15% | 40,395 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $4,271,836 | 0.15% | 40,066 | Shares | 2026-08-14 | |
| Large Thrivent Financial for Lutherans | $4,245,927 | 0.15% | 39,823 | Shares | 2026-08-14 | |
| Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension | $4,234,413 | 0.15% | 39,715 | Shares | 2026-07-23 | |
| Mega ROYAL BANK OF CANADA Bank | $4,191,123 | 0.15% | 39,309 | Shares | 2026-08-14 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND Pension | $4,027,037 | 0.14% | 37,770 | Shares | 2026-07-29 | |
| Large ROYCE & ASSOCIATES LP | $3,759,741 | 0.13% | 35,263 | Shares | 2026-08-14 | |
| Small LEUTHOLD GROUP, LLC | $3,653,974 | 0.13% | 34,271 | Shares | 2026-08-04 | |
| Small Phocas Financial Corp. | $3,579,659 | 0.13% | 33,574 | Shares | 2026-07-31 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $3,512,276 | 0.12% | 32,942 | Shares | 2026-08-24 | |
| Mega WELLS FARGO & COMPANY/MN | $3,407,466 | 0.12% | 31,959 | Shares | 2026-08-14 | |
| Mid Proficio Capital Partners LLC | $3,390,622 | 0.12% | 31,801 | Shares | 2026-08-17 | |
| Small HUSSMAN STRATEGIC ADVISORS, INC. | $3,358,530 | 0.12% | 31,500 | Shares | 2026-08-03 | |
| Mega DEUTSCHE BANK AG\ Bank | $3,317,586 | 0.12% | 31,116 | Shares | 2026-08-07 | |
| Mega CITADEL ADVISORS LLC | $3,262,572 | 0.12% | 30,600 | Call | 2026-09-02 | |
| Mid OCCUDO QUANTITATIVE STRATEGIES LP | $3,237,516 | 0.11% | 30,365 | Shares | 2026-08-13 | |
| Large ZACKS INVESTMENT MANAGEMENT | $3,236,023 | 0.11% | 30,351 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3,198,600 | 0.11% | 30,000 | Put | 2026-08-14 | |
| Mega FMR LLC | $3,006,789 | 0.11% | 28,201 | Shares | 2026-08-13 | |
| Mid Inspire Investing, LLC | $2,999,647 | 0.11% | 28,134 | Shares | 2026-08-12 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $2,953,374 | 0.10% | 27,700 | Shares | 2026-08-14 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD | $2,874,581 | 0.10% | 26,961 | Shares | 2026-08-14 | |
| Mid DARK FOREST CAPITAL MANAGEMENT LP | $2,851,338 | 0.10% | 26,743 | Shares | 2026-08-14 | |
| Small Monument Capital Management | $2,823,084 | 0.10% | 26,478 | Shares | 2026-07-22 | |
| Mega VANGUARD ASSET MANAGEMENT, Ltd | $2,764,656 | 0.10% | 25,930 | Shares | 2026-08-13 | |
| Large CANADA LIFE ASSURANCE Co Insurance | $2,694,820 | 0.10% | 25,275 | Shares | 2026-08-13 | |
| Small Integrated Quantitative Investments LLC | $2,550,776 | 0.09% | 23,924 | Shares | 2026-08-14 | |
| Large Mariner, LLC | $2,523,908 | 0.09% | 23,672 | Shares | 2026-08-13 |
Key facts
CIK
64996
CUSIP
589400100
13F (30d)
210 filings
209 filers
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