# MERCURY GENL CORP NEW COM

MERCURY GENL CORP NEW COM is a security (CUSIP 589400100) tracked across SEC portfolio filings. 337 institutional managers reported $2.3B on Form 13F as of 2026-06-30; 21 registered fund positions totaling $78.7M via N-PORT as of 2026-06-30.

## Summary

- Issuer: MERCURY GENL CORP NEW
- Class: COM
- CUSIP: 589400100
- Asset category: EC
- 13F holders: 337
- 13F value: $2.3B
- 13F period: 2026-06-30
- N-PORT fund positions: 21
- N-PORT value: $78.7M
- N-PORT report: 2026-06-30

## Top institutional holders (Form 13F)

_Showing 15 of 337 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $380.6M | 4,317,164 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $291.1M | 3,095,241 |
| Rubric Capital Management LP | New York, NY | $189.9M | 2,154,504 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $189.5M | 2,149,647 |
| STATE STREET CORP | BOSTON, MA | $96.9M | 1,099,091 |
| [DG Capital Management, LLC](https://search.stillhousedata.com/firm/157258) | New York, NY | $83.6M | 594,377 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $72.6M | 823,582 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $71.7M | 813,320 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $66.5M | 754,127 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $50.7M | 574,897 |
| MORGAN STANLEY | NEW YORK, NY | $33.3M | 378,172 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $31.5M | 357,279 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | FLORHAM PARK, NJ | $31.1M | 352,849 |
| [AQR CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/111883) | Greenwich, CT | $30.9M | 351,459 |
| UBS Group AG | Zurich, V8 | $27.1M | 307,171 |

## Top fund holders (N-PORT)

_Showing 15 of 21 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $26.1M | 3.20% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $19.8M | 26.56% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $13.6M | 7.73% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $3.8M | 7.98% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $3.7M | 3.61% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $1.9M | 8.63% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $1.9M | 19.32% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $1.4M | 0.24% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $1.3M | 15.27% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $1.2M | 0.40% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $1.1M | 3.73% |
| [BlackRock Advantage SMID Cap Fund, Inc.](https://search.stillhousedata.com/fund/S000002323) | BlackRock Advantage SMID Cap Fund, Inc. | $715K | 9.46% |
| [Russell Investments U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000089990) | Russell Investments Exchange Traded Funds | $570K | 115.37% |
| [Sparrow Growth Fund](https://search.stillhousedata.com/fund/S000000502) | SPARROW FUNDS | $501K | 65.00% |
| [Longview Advantage ETF](https://search.stillhousedata.com/fund/S000086399) | RBB Fund Trust | $391K | 5.96% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/589400100.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.