Marsh & McLennan CosMRSH
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 1,577 institutions reported holding Marsh & McLennan Cos (MRSH) in their 13F filings, up 47 from Q3 2024. 85 opened new positions and 104 sold out. The largest holders were Vanguard Group Inc. ($9.5B), BlackRock, Inc. ($8.8B) and State Street Corp. ($4.5B). 10 famous investors held it, including Tom Gayner (1.4% of Markel Group's portfolio), Jim Simons / Peter Brown (0.2% of Renaissance Technologies's portfolio) and Joel Greenblatt (0.2% of Gotham Asset Management's portfolio).
- Company
- Marsh & McLennan Cos
- Sector
- Finance
- CUSIP
- 571748102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 85 | $245.1M |
| Exits | 104 | $137.4M |
All 13F filers, Q3 2024 → Q4 2024: 20,709,287 shares bought and 14,144,384 shares sold, net +6,564,903 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,577 holders
| Vanguard Group Inc. | 0.17% | Add +0.8% | 44,739,515 | $9.5B |
| BlackRock, Inc. | 0.18% | Add +0.0% | 41,620,471 | $8.8B |
| State Street Corp. | 0.18% | Add +1.6% | 21,251,329 | $4.5B |
| FMR LLC | 0.27% | Reduce -1.0% | 21,234,404 | $4.5B |
| Capital International Investors | 0.73% | Reduce -0.5% | 18,243,788 | $3.9B |
| Capital World Investors | 0.57% | Reduce -0.3% | 17,527,365 | $3.7B |
| Geode Capital Management, LLC | 0.20% | Add +1.2% | 12,050,565 | $2.6B |
| Massachusetts Financial Services Co. | 0.69% | Reduce -4.4% | 10,346,113 | $2.2B |
| T. Rowe Price Associates Inc. | 0.25% | Add +1.0% | 10,151,020 | $2.2B |
| Ameriprise Financial Inc. | 0.46% | Reduce -0.6% | 8,332,473 | $1.8B |
| Wellington Management Group LLP | 0.32% | Reduce -2.9% | 8,309,240 | $1.8B |
| Morgan Stanley | 0.10% | Add +0.9% | 6,569,313 | $1.4B |
| Bank of America Corp. | 0.13% | Reduce -11.4% | 6,509,114 | $1.4B |
| Mawer Investment Management Ltd. | 6.00% | Reduce -10.1% | 6,221,464 | $1.3B |
| Northern Trust Corp. | 0.18% | Add +13.9% | 5,934,340 | $1.3B |
| Norges Bank | 0.16% | Add +0.6% | 5,819,813 | $1.2B |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.26% | Add +13.2% | 5,218,488 | $1.1B |
| JPMorgan Chase & Co. | 0.08% | Add +20.3% | 4,809,597 | $1.0B |
| Nuveen Asset Management, LLC | 0.28% | Add +7.2% | 4,581,773 | $973.2M |
| UBS Group AG | 0.20% | Add +4.3% | 4,277,574 | $908.6M |
| Amundi | 0.30% | Add +81.1% | 4,072,976 | $860.8M |
| Goldman Sachs Group Inc. | 0.16% | Add +2.1% | 4,026,104 | $855.2M |
| Deutsche Bank AG | 0.31% | Add +25.7% | 3,719,830 | $790.1M |
| Parnassus Investments, LLC | 1.68% | Reduce -16.5% | 3,569,141 | $758.1M |
| Legal & General Group Plc | 0.20% | Add +0.4% | 3,535,195 | $750.9M |
| Artisan Partners Limited Partnership | 1.14% | Add +0.1% | 3,485,200 | $740.3M |
| Wells Fargo & Company | 0.18% | Add +7.0% | 3,466,282 | $736.3M |
| Bank of New York Mellon Corp | 0.13% | Add +2.2% | 3,286,899 | $698.2M |
| Jensen Investment Management Inc. | 5.85% | Reduce -0.3% | 3,040,551 | $645.8M |
| Clearbridge Investments, LLC | 0.52% | Reduce -3.9% | 3,025,709 | $642.7M |
| Invesco Ltd. | 0.11% | Add +10.1% | 2,827,608 | $600.6M |
| Charles Schwab Investment Management Inc. | 0.11% | Add +3.3% | 2,792,358 | $593.1M |
| Lazard Asset Management LLC | 0.92% | Reduce -10.5% | 2,736,052 | $581.2M |
| Primecap Management Co. | 0.45% | Reduce -4.8% | 2,732,326 | $580.4M |
| Nippon Life Insurance Co. | 9.42% | No change | 2,622,700 | $557.1M |
| Longview Partners (Guernsey) LTD | 4.06% | Reduce -4.0% | 2,561,114 | $544.0M |
| Barclays PLC | 0.26% | Add +11.8% | 2,502,691 | $531.6M |
| Royal Bank of Canada | 0.11% | Add +12.0% | 2,447,423 | $519.9M |
| Alphinity Investment Management Pty Ltd | 2.80% | Reduce -3.4% | 2,427,855 | $515.7M |
| Capital Research Global Investors | 0.11% | Add +0.6% | 2,420,723 | $514.2M |
| California Public Employees Retirement System | 0.32% | Reduce -0.5% | 2,238,499 | $475.5M |
| Stifel Financial Corp. | 0.49% | Add +551.0% | 2,224,932 | $472.6M |
| Janus Henderson Group PLC | 0.22% | Reduce -4.9% | 2,065,496 | $438.7M |
| Ako Capital LLP | 6.05% | Add +4.5% | 2,062,828 | $438.2M |
| Dimensional Fund Advisors LP | 0.10% | Add +3.6% | 2,028,627 | $430.9M |
| Bahl & Gaynor LLC | 2.14% | Reduce -1.3% | 1,904,629 | $404.6M |
| Robeco Institutional Asset Management B.V. | 0.67% | Add +1.4% | 1,673,831 | $355.5M |
| Acadian Asset Management LLC | 0.97% | Reduce -6.0% | 1,568,640 | $333.2M |
| Impax Asset Management Group plc | 1.49% | Reduce -14.4% | 1,550,711 | $328.3M |
| Qube Research & Technologies Ltd | 0.50% | Add +8.2% | 1,452,310 | $308.5M |
| Navera Investment Management Ltd. | 5.47% | Add +0.2% | 1,439,443 | $305.8M |
| HSBC Holdings PLC | 0.18% | Add +5.5% | 1,404,925 | $298.2M |
| Swiss National Bank | 0.20% | Reduce -5.2% | 1,389,300 | $295.1M |
| Alliancebernstein L.P. | 0.10% | Reduce -0.9% | 1,338,413 | $284.3M |
| Envestnet Asset Management Inc. | 0.08% | Add +3.9% | 1,224,318 | $260.1M |
| CANADA LIFE ASSURANCE Co | 0.43% | Add +101.6% | 1,187,312 | $252.0M |
| DekaBank Deutsche Girozentrale | 0.46% | No change | 1,193,291 | $251.5M |
| Sumitomo Mitsui Trust Group, Inc. | 0.17% | Add +0.2% | 1,183,396 | $251.4M |
| W1M Investment Management Ltd | 3.97% | Add +6.2% | 1,173,650 | $249.3M |
| Storebrand Asset Management As | 0.76% | Add +6.4% | 1,171,869 | $248.9M |
| FIL Ltd | 0.23% | Reduce -6.6% | 1,136,015 | $241.3M |
| First Trust Advisors LP | 0.21% | Add +1.3% | 1,125,624 | $239.1M |
| American Century Companies Inc. | 0.14% | Reduce -2.8% | 1,124,607 | $238.9M |
| Assenagon Asset Management S.A. | 0.42% | Add +7320.9% | 1,108,758 | $235.5M |
| BNP Paribas Financial Markets | 0.18% | Add +7.8% | 1,071,283 | $227.6M |
| Voloridge Investment Management, LLC | 0.78% | Add +5.4% | 1,037,566 | $220.4M |
| Aviva PLC | 0.56% | Reduce -5.4% | 1,004,622 | $213.4M |
| Bank of Montreal | 0.11% | Reduce -23.3% | 1,004,544 | $213.4M |
| Manufacturers Life Insurance Company, The | 0.18% | Add +9.1% | 981,589 | $208.5M |
| Raymond James Financial Inc. | 0.08% | — | 975,841 | $207.3M |
| Rhumbline Advisers | 0.18% | Reduce -1.2% | 961,373 | $204.2M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.22% | Add +86.7% | 952,681 | $202.4M |
| Ninety One UK Ltd | 0.53% | Add +6.4% | 934,634 | $198.5M |
| National Pension Service | 0.19% | Reduce -1.3% | 933,501 | $198.3M |
| Franklin Resources Inc. | 0.06% | Add +473.1% | 927,525 | $197.0M |
| Findlay Park Partners LLP | 1.87% | Reduce -0.1% | 887,967 | $188.6M |
| Polar Capital Holdings Plc | 1.05% | Reduce -12.3% | 874,000 | $185.6M |
| Nordea Investment Management AB | 0.19% | Reduce -9.9% | 871,285 | $184.8M |
| California State Teachers Retirement System | 0.21% | Add +1.1% | 858,104 | $182.3M |
| Principal Financial Group Inc. | 0.10% | Reduce -0.4% | 836,693 | $177.7M |
| Caisse de depot et placement du Quebec | 0.37% | Reduce -18.8% | 827,581 | $175.8M |
| TD Asset Management Inc | 0.15% | Reduce -6.4% | 816,109 | $173.3M |
| Capital Group Private Client Services, Inc. | 1.55% | Add +1.0% | 793,400 | $168.5M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.16% | Add +9.3% | 797,786 | $168.5M |
| Natixis Advisors, LLC | 0.31% | Add +3.9% | 788,731 | $167.5M |
| Millennium Management | 0.15% | Add +360.1% | 776,188 | $164.9M |
| Mackenzie Financial Corp. | 0.22% | Add +36.1% | 769,879 | $163.5M |
| Markel Group | 1.38% | Add +1.8% | 735,500 | $156.2M |
| Montrusco Bolton Investments Inc. | 1.89% | Reduce -43.5% | 751,825 | $156.2M |
| Credit Agricole S A | 0.48% | Add +13.8% | 673,046 | $143.0M |
| New York State Common Retirement Fund | 0.19% | Reduce -1.1% | 670,888 | $142.5M |
| Assetmark, Inc. | 0.38% | Add +2.0% | 667,114 | $141.7M |
| Lord, Abbett & Co. LLC | 0.47% | Add +20.5% | 667,046 | $141.7M |
| TrinityBridge Ltd | 3.99% | No change | 666,809 | $141.7M |
| National Bank of Canada | 0.18% | Add +4.0% | 655,909 | $139.3M |
| Rathbones Group PLC | 0.67% | Add +12.1% | 655,849 | $139.3M |
| Aberdeen Group plc | 0.26% | Reduce -2.5% | 648,395 | $137.2M |
| Worldquant Millennium Advisors LLC | 0.85% | Add +412.9% | 616,037 | $130.9M |
| PNC Financial Services Group, Inc. | 0.08% | Add +0.1% | 587,941 | $124.9M |
| Epoch Investment Partners, Inc. | 0.59% | Reduce -2.9% | 574,190 | $122.0M |
"% of holder's portfolio" is MRSH's weight in each manager's 13F, not the share of Marsh & McLennan Cos the manager owns.