Mercury General Corporation (MCY) Ownership
MCY ownership summary
as of October 18, 2026- Institutions
- 48.2% of shares outstanding
- Insiders
- 52.03% of shares outstanding
- Shares outstanding
- 55.4M
- Float
- 26.6M shares available to trade
- Short interest
- 4.11% 1.5M shares short
- Days to cover
- 4.60 short interest up 8.1% vs prior month
- Institutions 48.24%
- Insiders 52.03%
MCY top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.12% | 4.5M | $462.4M | +181,092 (+4.2%) | June 30, 2026 |
| 2 | Dimensional Fund Advisors, Inc. | 3.91% | 2.2M | $222.4M | +13,496 (+0.6%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 3.22% | 1.8M | $183.1M | +63,584 (+3.7%) | June 30, 2026 |
| 4 | Rubric Capital Management LP | 2.78% | 1.5M | $158.5M | −613,064 (−28.5%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 2.23% | 1.2M | $126.7M | +6,196 (+0.5%) | June 30, 2026 |
| 6 | State Street Corp | 2.09% | 1.2M | $119.2M | +60,871 (+5.5%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 1.74% | 961K | $98.8M | +207,090 (+27.5%) | June 30, 2026 |
| 8 | American Century Companies Inc | 1.73% | 960K | $98.7M | +147,164 (+18.1%) | June 30, 2026 |
| 9 | Renaissance Technologies Corp | 1.41% | 782K | $80.4M | −41,900 (−5.1%) | June 30, 2026 |
| 10 | Amvescap Plc. | 1.17% | 646K | $66.4M | +73,558 (+12.8%) | June 30, 2026 |
| 11 | Arrowstreet Capital Limited Partnership | 1.04% | 576K | $59.2M | +980 (+0.2%) | June 30, 2026 |
| 12 | DG Capital Management, LLC | 0.87% | 483K | $49.6M | −111,714 (−18.8%) | June 30, 2026 |
| 13 | Morgan Stanley - Brokerage Accounts | 0.72% | 401K | $41.2M | +22,524 (+6.0%) | June 30, 2026 |
| 14 | Charles Schwab Investment Management Inc | 0.64% | 352K | $36.2M | −5,017 (−1.4%) | June 30, 2026 |
| 15 | AQR Capital Management LLC | 0.62% | 344K | $35.4M | −7,517 (−2.1%) | June 30, 2026 |
| 16 | Northern Trust Corp | 0.53% | 291K | $29.9M | +21,316 (+7.9%) | June 30, 2026 |
| 17 | Nuveen, LLC | 0.48% | 264K | $27.2M | +8,961 (+3.5%) | June 30, 2026 |
| 18 | Bank of New York Mellon Corp | 0.45% | 247K | $25.4M | +3,120 (+1.3%) | June 30, 2026 |
| 19 | Westwood Holdings Group Inc | 0.42% | 234K | $24.1M | −16,554 (−6.6%) | June 30, 2026 |
| 20 | UBS Group AG | 0.41% | 227K | $23.3M | −80,506 (−26.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 810K shares and 7 cut 876K.
MCY top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 2.86% | 1.6M | $162.7M | +369 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 1.59% | 881K | $90.5M | −1,544 (−0.2%) | August 31, 2026 |
| 3 | Avantis US Small Cap Value ETF | 1.51% | 838K | $86.2M | +1,344 (+0.2%) | September 30, 2026 |
| 4 | iShares Russell 2000 ETF | 1.34% | 742K | $76.3M | +1,552 (+0.2%) | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 1.13% | 624K | $64.1M | −13,230 (−2.1%) | September 30, 2026 |
| 6 | Vanguard MStar Small Cap Value Index | 0.73% | 406K | $41.7M | +1,040 (+0.3%) | September 30, 2026 |
| 7 | Dimensional US Targeted Value ETF | 0.65% | 360K | $37.0M | +113 (+0.0%) | September 30, 2026 |
| 8 | DFA US Targeted Value I | 0.63% | 352K | $36.2M | — | August 31, 2026 |
| 9 | Fidelity Small Cap Index | 0.54% | 298K | $30.7M | +2,746 (+0.9%) | July 31, 2026 |
| 10 | iShares S&P Small-Cap 600 Growth ETF | 0.44% | 246K | $25.3M | — | September 30, 2026 |
| 11 | State Street SPDR Port S&P 600 Sm CpETF | 0.44% | 243K | $25.0M | — | September 30, 2026 |
| 12 | iShares Russell 2000 Value ETF | 0.43% | 239K | $24.5M | +362 (+0.2%) | September 30, 2026 |
| 13 | DFA US Small Cap I | 0.37% | 205K | $21.1M | +775 (+0.4%) | August 31, 2026 |
| 14 | DFA US Micro Cap I | 0.37% | 204K | $21.0M | — | August 31, 2026 |
| 15 | Dimensional US Small Cap ETF | 0.34% | 187K | $19.2M | — | September 30, 2026 |
| 16 | Vanguard Tax-Managed Small Cap Adm | 0.32% | 179K | $18.4M | — | September 30, 2026 |
| 17 | Invesco S&P SmallCap Momentum ETF | 0.31% | 171K | $17.6M | — | September 30, 2026 |
| 18 | Vanguard Russell 2000 ETF | 0.29% | 159K | $16.3M | +1,749 (+1.1%) | September 30, 2026 |
| 19 | State Street® SPDR® S&P 600™ Sm Cp GrETF | 0.28% | 155K | $15.9M | — | September 30, 2026 |
| 20 | Schwab US Small-Cap ETF™ | 0.25% | 140K | $14.4M | +90 (+0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MCY insider transactions
latest 4| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-01-07 | Mark Allan Ribisi | Buy | $64.71 | 55 | $3,559 |
| 2024-12-03 | Heidi C. Sullivan | Sell | $77.28 | 1,076 | $83,153 |
| 2023-08-28 | Joshua Eric Little | Buy | $28.56 | 250 | $7,140 |
| 2023-05-12 | Joshua Eric Little | Buy | $29.33 | 250 | $7,332 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MCY shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MCY
Institutional investors own 48.2% of Mercury General's shares and insiders 52.03%. The largest holder is BlackRock Inc with 8.12% of the shares (4.5M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 4.11% of the float, or 4.60 days of average trading volume.
Related: MCY analyst forecast, MCY key metrics, MCY dividend history. See the MCY stock overview for the latest quote and news.
MCY ownership FAQ
Who owns the most Mercury General stock?
The largest shareholders of Mercury General are BlackRock Inc (8.12%), Dimensional Fund Advisors, Inc. (3.91%), Vanguard Portfolio Management, LLC (3.22%), Rubric Capital Management LP (2.78%), Vanguard Capital Management, LLC (2.23%).
What percentage of Mercury General is owned by institutions?
Institutions hold 48.2% of Mercury General's shares outstanding; insiders hold 52.03%.
Which funds own Mercury General?
The largest fund holders of Mercury General are iShares Core S&P Small-Cap ETF (2.86%), Vanguard MStar Total Stk Mkt Idx Invest (1.59%), Avantis US Small Cap Value ETF (1.51%), iShares Russell 2000 ETF (1.34%), Vanguard Small Cap Index (1.13%).
What is Mercury General's short interest?
1.5M shares of Mercury General were sold short, 4.11% of the float; at the average daily volume it would take 4.60 days to cover.
Are insiders buying or selling Mercury General?
Of the latest 4 reported insider transactions in Mercury General (since May 12, 2023), 3 were purchases and 1 were sales.
How many shares of Mercury General are outstanding?
Mercury General has 55.4M shares outstanding, of which 26.6M are in the public float.