LOS ANGELES, CA
MERCURY GENERAL CORPMCY— Latest position per institution from SEC 13F filings
15
Institutional holders
27.04M
Total shares held
2.56B
Estimated value
1.35M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.67M
Value
248.34M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
4.50M
Value
479.60M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
3.10M
Value
291.14M
Filed
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
2.16M
Value
230.64M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.78M
Value
189.94M
Filed
Jun 30, 2026
RUBRIC CAPITAL MANAGEMENT LP
CIK 1687509
Shares
1.54M
Value
164.35M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.23M
Value
131.43M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
1.16M
Value
123.68M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
961.22K
Value
102.50M
Filed
Jun 30, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
960.48K
Value
102.41M
Filed
Jun 30, 2026
DG CAPITAL MANAGEMENT, LLC
CIK 1512716
Shares
816.56K
Value
87.06M
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
781.68K
Value
83.34M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
646.24K
Value
68.90M
Filed
Jun 30, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
575.88K
Value
61.40M
Filed
Jun 30, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
415.07K
Value
26.14M
Filed
Sep 30, 2024
MORGAN STANLEY
CIK 895421
Shares
400.70K
Value
42.72M
Filed
Jun 30, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
352.26K
Value
37.56M
Filed
Jun 30, 2026
DIAMETER CAPITAL PARTNERS LP
CIK 1727012
Shares
350K
Value
19.57M
Filed
Mar 31, 2025
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
343.94K
Value
36.67M
Filed
Jun 30, 2026
NORTHERN TRUST CORP
CIK 73124
Shares
291.05K
Value
31.03M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 4.67M | 248.34M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 4.50M | 479.60M | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 3.10M | 291.14M | Dec 31, 2025 |
| 4 | DIMENSIONAL FUND ADVISORS LP | 354204 | 2.16M | 230.64M | Jun 30, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.78M | 189.94M | Jun 30, 2026 |
| 6 | RUBRIC CAPITAL MANAGEMENT LP | 1687509 | 1.54M | 164.35M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.23M | 131.43M | Jun 30, 2026 |
| 8 | STATE STREET CORP | 93751 | 1.16M | 123.68M | Jun 30, 2026 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 961.22K | 102.50M | Jun 30, 2026 |
| 10 | AMERICAN CENTURY COMPANIES INC | 748054 | 960.48K | 102.41M | Jun 30, 2026 |
| 11 | DG CAPITAL MANAGEMENT, LLC | 1512716 | 816.56K | 87.06M | Jun 30, 2026 |
| 12 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 781.68K | 83.34M | Jun 30, 2026 |
| 13 | INVESCO LTD. | 914208 | 646.24K | 68.90M | Jun 30, 2026 |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 575.88K | 61.40M | Jun 30, 2026 |
| 15 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 415.07K | 26.14M | Sep 30, 2024 |
| 16 | MORGAN STANLEY | 895421 | 400.70K | 42.72M | Jun 30, 2026 |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 352.26K | 37.56M | Jun 30, 2026 |
| 18 | DIAMETER CAPITAL PARTNERS LP | 1727012 | 350K | 19.57M | Mar 31, 2025 |
| 19 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 343.94K | 36.67M | Jun 30, 2026 |
| 20 | NORTHERN TRUST CORP | 73124 | 291.05K | 31.03M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.