Marsh & McLennan CosMRSH
13F holders, Q2 2025 (June 30)1,609holders −17
107new positions
127sold out
11famous investors
$217.29avg. 13F price*
At the end of Q2 2025, 1,609 institutions reported holding Marsh & McLennan Cos (MRSH) in their 13F filings, down 17 from Q1 2025. 107 opened new positions and 127 sold out. The largest holders were Vanguard Group Inc. ($10.1B), BlackRock, Inc. ($8.8B) and State Street Corp. ($4.7B). 11 famous investors held it, including Tom Gayner (1.4% of Markel Group's portfolio), Jim Simons / Peter Brown (0.3% of Renaissance Technologies's portfolio) and David E. Shaw (0.3% of D. E. Shaw & Co.'s portfolio).
- Company
- Marsh & McLennan Cos
- Sector
- Finance
- CUSIP
- 571748102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 107 | $569.5M |
| Exits | 127 | $661.5M |
All 13F filers, Q1 2025 → Q2 2025: 26,525,293 shares bought and 21,159,337 shares sold, net +5,365,956 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,609 holders
| Vanguard Group Inc. | 0.16% | Add +1.9% | 46,158,562 | $10.1B |
| BlackRock, Inc. | 0.17% | Reduce -0.8% | 40,273,528 | $8.8B |
| State Street Corp. | 0.18% | Reduce -0.2% | 21,441,578 | $4.7B |
| FMR LLC | 0.25% | Reduce -9.6% | 20,036,974 | $4.4B |
| Capital International Investors | 0.69% | Add +0.5% | 18,369,664 | $4.0B |
| Capital World Investors | 0.56% | Reduce -0.2% | 17,610,131 | $3.9B |
| Wellington Management Group LLP | 0.55% | Add +7.9% | 13,831,044 | $3.0B |
| Geode Capital Management, LLC | 0.19% | Add +1.6% | 12,684,210 | $2.8B |
| T. Rowe Price Associates Inc. | 0.25% | Add +17.8% | 10,042,837 | $2.2B |
| Capital Research Global Investors | 0.43% | Add +48.8% | 9,792,241 | $2.1B |
| Massachusetts Financial Services Co. | 0.67% | Reduce -4.2% | 9,676,163 | $2.1B |
| Ameriprise Financial Inc. | 0.37% | Reduce -12.2% | 6,842,335 | $1.5B |
| Bank of America Corp. | 0.12% | Reduce -7.3% | 6,619,135 | $1.4B |
| Morgan Stanley | 0.09% | Reduce -5.1% | 6,494,294 | $1.4B |
| Norges Bank | 0.17% | Add +6.3% | 6,076,595 | $1.3B |
| Northern Trust Corp. | 0.17% | Reduce -2.8% | 5,727,176 | $1.3B |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.25% | Add +10.2% | 5,706,940 | $1.2B |
| Mawer Investment Management Ltd. | 5.96% | Reduce -10.0% | 5,374,871 | $1.2B |
| Goldman Sachs Group Inc. | 0.16% | Add +5.9% | 4,599,815 | $1.0B |
| UBS Group AG | 0.21% | Reduce -4.3% | 4,539,709 | $992.6M |
| JPMorgan Chase & Co. | 0.07% | Add +5.2% | 4,451,953 | $973.4M |
| Nuveen, LLC | 0.25% | Reduce -3.3% | 4,116,867 | $900.1M |
| Wells Fargo & Company | 0.17% | Reduce -0.7% | 3,563,950 | $779.2M |
| Artisan Partners Limited Partnership | 1.12% | Add +0.9% | 3,443,454 | $752.9M |
| Legal & General Group Plc | 0.17% | Reduce -5.6% | 3,155,101 | $689.8M |
| Deutsche Bank AG | 0.25% | Reduce -2.3% | 3,154,512 | $689.7M |
| Bank of New York Mellon Corp | 0.13% | Reduce -5.8% | 3,076,874 | $672.7M |
| Charles Schwab Investment Management Inc. | 0.11% | Add +1.5% | 2,901,598 | $634.4M |
| Royal Bank of Canada | 0.12% | Add +6.7% | 2,822,214 | $617.0M |
| Amundi | 0.21% | Add +89.2% | 2,892,576 | $615.3M |
| Parnassus Investments, LLC | 1.34% | Reduce -4.9% | 2,659,484 | $581.5M |
| Nippon Life Insurance Co. | 8.66% | No change | 2,622,700 | $573.4M |
| Lazard Asset Management LLC | 0.87% | Add +10.9% | 2,593,291 | $567.0M |
| Clearbridge Investments, LLC | 0.46% | Reduce -12.9% | 2,562,974 | $560.4M |
| Invesco Ltd. | 0.09% | Reduce -2.2% | 2,539,360 | $555.2M |
| Ninety One UK Ltd | 1.30% | Add +6.6% | 2,527,744 | $552.7M |
| Jensen Investment Management Inc. | 6.21% | Reduce -7.8% | 2,423,637 | $529.9M |
| Mackenzie Financial Corp. | 0.65% | Add +212.6% | 2,285,194 | $499.6M |
| Longview Partners (Guernsey) LTD | 4.27% | Reduce -5.7% | 2,269,216 | $496.1M |
| Stifel Financial Corp. | 0.48% | Reduce -0.7% | 2,255,144 | $493.1M |
| Dimensional Fund Advisors LP | 0.10% | Reduce -2.0% | 2,020,456 | $441.7M |
| Primecap Management Co. | 0.34% | Reduce -27.0% | 1,962,826 | $429.2M |
| Bahl & Gaynor LLC | 2.14% | Reduce -1.4% | 1,933,318 | $422.7M |
| Robeco Institutional Asset Management B.V. | 0.67% | Reduce -4.5% | 1,889,293 | $413.1M |
| Janus Henderson Group PLC | 0.20% | Reduce -4.5% | 1,854,931 | $405.6M |
| California Public Employees Retirement System | 0.25% | Reduce -16.1% | 1,822,252 | $398.4M |
| Ako Capital LLP | 4.92% | Reduce -16.0% | 1,782,200 | $389.7M |
| Barclays PLC | 0.14% | Reduce -26.6% | 1,554,385 | $339.9M |
| Franklin Resources Inc. | 0.09% | Reduce -1.4% | 1,521,433 | $332.6M |
| Navera Investment Management Ltd. | 6.03% | Add +0.4% | 1,518,006 | $331.9M |
| Swiss National Bank | 0.20% | Add +7.7% | 1,491,600 | $326.1M |
| Manufacturers Life Insurance Company, The | 0.27% | Add +79.3% | 1,341,359 | $293.3M |
| W1M Investment Management Ltd | 3.89% | Add +7.2% | 1,292,140 | $282.6M |
| Qube Research & Technologies Ltd | 0.39% | Add +10.3% | 1,282,580 | $280.4M |
| Alliancebernstein L.P. | 0.09% | Reduce -8.1% | 1,279,323 | $279.7M |
| Envestnet Asset Management Inc. | 0.08% | Add +2.4% | 1,270,324 | $277.7M |
| HSBC Holdings PLC | 0.17% | Reduce -12.1% | 1,230,414 | $268.5M |
| FIL Ltd | 0.23% | Add +5.5% | 1,204,733 | $263.4M |
| D. E. Shaw & Co. | 0.28% | Add +49.3% | 1,204,529 | $263.4M |
| Sumitomo Mitsui Trust Group, Inc. | 0.16% | Add +0.0% | 1,189,513 | $260.1M |
| CANADA LIFE ASSURANCE Co | 0.41% | Reduce -1.6% | 1,186,608 | $260.0M |
| DekaBank Deutsche Girozentrale | 0.46% | Add +1.5% | 1,193,291 | $258.7M |
| First Trust Advisors LP | 0.21% | Add +8.8% | 1,172,398 | $256.3M |
| American Century Companies Inc. | 0.13% | Reduce -0.0% | 1,104,953 | $241.6M |
| Aviva PLC | 0.49% | Add +3.0% | 1,080,184 | $236.2M |
| Jennison Associates LLC | 0.14% | Add +225.1% | 1,051,055 | $229.8M |
| National Pension Service | 0.19% | Add +3.8% | 1,015,487 | $222.0M |
| Two Sigma Investments, LP | 0.41% | Add +362.3% | 993,284 | $217.2M |
| Rathbones Group PLC | 0.93% | Add +28.6% | 990,944 | $216.7M |
| Renaissance Technologies | 0.28% | Add +57.3% | 973,931 | $212.9M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.17% | Add +7.4% | 957,356 | $209.3M |
| Rhumbline Advisers | 0.18% | Reduce -4.2% | 948,045 | $207.3M |
| Raymond James Financial Inc. | 0.07% | Reduce -0.5% | 928,508 | $203.0M |
| TD Asset Management Inc | 0.17% | Reduce -4.5% | 925,535 | $202.4M |
| Polar Capital Holdings Plc | 1.05% | Add +4.1% | 910,000 | $199.0M |
| Swedbank AB | 0.22% | Add +37.6% | 896,659 | $196.0M |
| Findlay Park Partners LLP | 2.00% | Reduce -21.6% | 885,767 | $193.7M |
| Storebrand Asset Management As | 0.55% | Reduce -13.1% | 865,365 | $189.2M |
| Principal Financial Group Inc. | 0.09% | Reduce -3.4% | 811,629 | $177.5M |
| Natixis Advisors, LLC | 0.28% | Add +0.7% | 810,004 | $177.1M |
| Assenagon Asset Management S.A. | 0.28% | Add +5035.9% | 808,800 | $176.8M |
| California State Teachers Retirement System | 0.19% | Reduce -7.0% | 790,336 | $172.8M |
| Worldquant Millennium Advisors LLC | 0.82% | Add +24.9% | 753,658 | $164.8M |
| Capital Group Private Client Services, Inc. | 1.42% | Reduce -2.5% | 748,784 | $163.7M |
| Markel Group | 1.38% | Add +0.7% | 748,750 | $163.7M |
| Voloridge Investment Management, LLC | 0.57% | Reduce -27.0% | 713,413 | $156.0M |
| Millennium Management | 0.14% | Add +66.0% | 693,691 | $151.7M |
| Assetmark, Inc. | 0.35% | Add +4.0% | 684,512 | $149.7M |
| Nordea Investment Management AB | 0.13% | Reduce -15.5% | 658,140 | $142.8M |
| Acadian Asset Management LLC | 0.29% | Reduce -46.7% | 642,091 | $140.4M |
| CCLA Investment Management | 2.30% | Add +6.7% | 641,509 | $140.3M |
| Epoch Investment Partners, Inc. | 0.71% | Reduce -12.4% | 631,147 | $138.0M |
| New York State Common Retirement Fund | 0.18% | Reduce -0.4% | 626,229 | $136.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.33% | Add +78.4% | 614,661 | $134.4M |
| Lord, Abbett & Co. LLC | 0.44% | Reduce -10.0% | 600,223 | $131.2M |
| PNC Financial Services Group, Inc. | 0.08% | Add +0.4% | 598,381 | $130.8M |
| Bank of Montreal | 0.06% | Reduce -33.5% | 567,020 | $124.0M |
| Sarasin & Partners LLP | 1.22% | New | 559,328 | $122.3M |
| Prudential Financial Inc. | 0.16% | Reduce -12.5% | 557,486 | $121.9M |
| Capital International, Inc. | 1.18% | Add +31.6% | 553,074 | $120.9M |
"% of holder's portfolio" is MRSH's weight in each manager's 13F, not the share of Marsh & McLennan Cos the manager owns.