Marsh & McLennan Companies Ownership | Who Owns Marsh & McLennan Companies?
Marsh & McLennan Companies Ownership Summary
Marsh & McLennan Companies is owned by 87.56% institutional investors, 0.07% insiders, and 12.37% retail investors. Vanguard group is the largest institutional shareholder, holding 9.41% of MMC shares. American Funds Washington Mutual A is the top mutual fund, with 3.98% of its assets in Marsh & McLennan Companies shares.
MMC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Marsh & McLennan Companies | 87.56% | 0.07% | 12.37% |
| Sector | Financial Services Stocks | 36.95% | 15.48% | 47.58% |
| Industry | Insurance Brokers Stocks | 35.48% | 14.86% | 49.66% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 46.20M | 9.41% | $9.31B |
| Blackrock | 42.34M | 8.61% | $8.92B |
| Blackrock funding, inc. /de | 38.79M | 7.90% | $7.82B |
| State street | 21.54M | 4.39% | $4.34B |
| Capital investors | 18.59M | 3.79% | $3.75B |
| Capital world investors | 17.70M | 3.61% | $3.57B |
| Fmr | 16.46M | 3.35% | $3.32B |
| Wellington management group llp | 15.09M | 3.07% | $3.04B |
| Geode capital management | 12.97M | 2.64% | $2.61B |
| Capital research global investors | 9.86M | 2.01% | $1.99B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Bancreek capital management, lp | 16.52K | 6.99% | $3.33M |
| Veritas investment partners (uk) | 1.62M | 6.27% | $327.30M |
| Jensen investment management | 2.41M | 6.02% | $485.01M |
| Ako capital llp | 1.80M | 5.16% | $362.70M |
| Mawer investment management | 4.57M | 4.79% | $921.52M |
| Nippon life insurance | 1.31M | 4.45% | $264.28M |
| Longview partners (guernsey) | 2.09M | 4.40% | $421.00M |
| Bristol gate capital partners | 346.19K | 4.12% | $69.77M |
| Waverton investment management | 1.56M | 4.05% | $314.55M |
| Cryder capital partners llp | 360.63K | 4.01% | $72.68M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 5.82M | 0.16% | 5.82M |
| Clearbridge investments | 4.52M | 0.69% | 1.95M |
| Wellington management group llp | 15.09M | 0.53% | 1.26M |
| Arrowstreet capital, limited partnership | 1.42M | 0.18% | 1.23M |
| Two sigma advisers, lp | 1.31M | 0.53% | 879.30K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 16.46M | 0.17% | -3.58M |
| Soundwatch capital | - | - | -2.57M |
| Price t rowe associates inc /md/ | 8.35M | 0.18% | -1.69M |
| Blackrock funding, inc. /de | 38.79M | 0.14% | -1.49M |
| Amundi | 1.48M | 0.10% | -1.41M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 5.82M | 0.16% | 5.82M | $1.24B |
| Cincinnati financial | 278.33K | 1.11% | 278.33K | $56.09M |
| Cincinnati insurance | 275.77K | 0.86% | 275.77K | $55.58M |
| Madison investment advisors | 272.73K | 0.65% | 272.73K | $57.93M |
| Fjarde ap-fonden (the fourth swedish national pensionfund) | 148.03K | 0.35% | 148.03K | $31.19M |
Sold Out
| Holder | Change |
|---|---|
| Blume capital management | -1.00 |
| Castleview partners | -1.00 |
| Tfo-tdc | -1.00 |
| Mendota financial group | -1.00 |
| Mine & arao wealth creation & management, llc. | -3.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 1,550 | -5.37% | 429,926,027 | -3.62% | 87 | 1.07% | 677 | -9.49% | 589 | 0.86% |
| Jun 30, 2025 | 1,599 | -2.56% | 448,275,757 | 2.88% | 91 | 1.16% | 727 | -9.01% | 575 | 2.86% |
| Mar 31, 2025 | 22 | -98.62% | 2,957,258 | -99.33% | - | 0.01% | 6 | -99.26% | 9 | -98.20% |
| Dec 31, 2024 | 1,525 | -2.06% | 439,901,590 | 2.65% | 89 | 1.18% | 766 | 2.13% | 490 | -1.01% |
| Sep 30, 2024 | 1,538 | 2.95% | 428,486,436 | -1.83% | 87 | 1.11% | 741 | 6.16% | 487 | -4.70% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| American Funds Washington Mutual A | 19.59M | 3.98% | 65.05K |
| Capital Group Wash Mutual Invtrs Comp | 19.59M | 3.98% | 65.05K |
| Vanguard US Total Market Shares ETF | 15.58M | 3.17% | -43.07K |
| Vanguard Total Stock Mkt Idx Inv | 15.49M | 3.15% | -357.52K |
| Vanguard Institutional 500 Index Trust | 13.97M | 2.83% | 96.17K |
| Vanguard 500 Index Investor | 12.20M | 2.48% | -1.79M |
| Fidelity 500 Index | 6.25M | 1.27% | 2.68K |
| SPDR® S&P 500 ETF | 6.11M | 1.24% | -89.59K |
| SPDR® S&P 500® ETF | 5.95M | 1.21% | 73.12K |
| iShares Core S&P 500 ETF | 5.93M | 1.21% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 02, 2025 | Doyle John Q | President and CEO | Sell | $4.33M |
| Jul 29, 2025 | Anderson Anthony | - | Buy | $101.10K |
| Jul 30, 2025 | Anderson Anthony | - | Buy | $100.51K |
| Jun 02, 2025 | Doyle John Q | President and CEO | Sell | $4.89M |
| Apr 03, 2025 | Beswick Paul | SVP, Chief Information Officer | Sell | $550.30K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | 2 | 1 |
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | 14 |
| 2024 Q4 | - | 2 |
| 2024 Q3 | - | 9 |
MMC Ownership FAQ
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