Marsh & McLennan CosMRSH
13F holders, Q3 2024 (September 30)1,530holders +54
116new positions
66sold out
12famous investors
$223.04avg. 13F price*
At the end of Q3 2024, 1,530 institutions reported holding Marsh & McLennan Cos (MRSH) in their 13F filings, up 54 from Q2 2024. 116 opened new positions and 66 sold out. The largest holders were Vanguard Group Inc. ($9.9B), BlackRock, Inc. ($9.3B) and FMR LLC ($4.8B). 12 famous investors held it, including Tom Gayner (1.5% of Markel Group's portfolio), Paul Tudor Jones (0.2% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.1% 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 Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 116 | $195.6M |
| Exits | 66 | $362.5M |
All 13F filers, Q2 2024 → Q3 2024: 13,051,754 shares bought and 15,490,478 shares sold, net −2,438,724 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,530 holders
| Vanguard Group Inc. | 0.18% | Add +0.8% | 44,382,897 | $9.9B |
| BlackRock, Inc. | 0.20% | — | 41,609,881 | $9.3B |
| FMR LLC | 0.29% | Add +2.5% | 21,445,110 | $4.8B |
| State Street Corp. | 0.19% | Add +0.1% | 20,914,202 | $4.7B |
| Capital International Investors | 0.79% | Add +0.1% | 18,328,356 | $4.1B |
| Capital World Investors | 0.61% | Reduce -0.5% | 17,583,307 | $3.9B |
| Geode Capital Management, LLC | 0.21% | Add +2.2% | 11,905,431 | $2.6B |
| Massachusetts Financial Services Co. | 0.72% | Reduce -2.2% | 10,824,587 | $2.4B |
| T. Rowe Price Associates Inc. | 0.26% | Reduce -5.0% | 10,054,270 | $2.2B |
| Wellington Management Group LLP | 0.33% | Reduce -5.9% | 8,556,459 | $1.9B |
| Ameriprise Financial Inc. | 0.48% | Add +5.6% | 8,381,878 | $1.9B |
| Bank of America Corp. | 0.14% | Reduce -3.6% | 7,346,796 | $1.6B |
| Mawer Investment Management Ltd. | 7.03% | Reduce -0.7% | 6,918,358 | $1.5B |
| Morgan Stanley | 0.11% | Add +2.9% | 6,512,389 | $1.5B |
| Norges Bank | 0.18% | Reduce -4.8% | 5,787,136 | $1.3B |
| Northern Trust Corp. | 0.19% | Reduce -4.5% | 5,207,627 | $1.2B |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.26% | Reduce -1.6% | 4,608,886 | $1.0B |
| Parnassus Investments, LLC | 2.02% | Add +2.0% | 4,274,880 | $953.7M |
| Nuveen Asset Management, LLC | 0.27% | Reduce -7.5% | 4,273,014 | $953.3M |
| UBS Group AG | 0.26% | Add +4.3% | 4,101,709 | $915.1M |
| JPMorgan Chase & Co. | 0.07% | Add +4.8% | 3,999,771 | $892.3M |
| Goldman Sachs Group Inc. | 0.17% | Add +4.1% | 3,941,499 | $879.3M |
| Legal & General Group Plc | 0.21% | Reduce -2.6% | 3,520,772 | $785.4M |
| Artisan Partners Limited Partnership | 1.16% | Add +0.9% | 3,480,934 | $776.6M |
| Wells Fargo & Company | 0.18% | Reduce -2.0% | 3,239,321 | $722.7M |
| Bank of New York Mellon Corp | 0.13% | Reduce -2.8% | 3,214,909 | $717.2M |
| Clearbridge Investments, LLC | 0.55% | Reduce -7.6% | 3,148,987 | $702.5M |
| Lazard Asset Management LLC | 0.98% | Reduce -1.8% | 3,057,825 | $682.2M |
| Jensen Investment Management Inc. | 5.69% | Reduce -5.4% | 3,050,831 | $680.6M |
| Deutsche Bank AG | 0.27% | Reduce -14.4% | 2,960,257 | $660.4M |
| Primecap Management Co. | 0.47% | Reduce -0.1% | 2,868,741 | $640.0M |
| Charles Schwab Investment Management Inc. | 0.12% | Add +1.1% | 2,703,862 | $603.2M |
| Longview Partners (Guernsey) LTD | 4.08% | Add +0.5% | 2,668,863 | $595.4M |
| Nippon Life Insurance Co. | 23.85% | No change | 2,622,700 | $585.1M |
| Invesco Ltd. | 0.11% | Add +5.0% | 2,569,224 | $573.2M |
| Alphinity Investment Management Pty Ltd | 3.31% | Add +1.6% | 2,514,064 | $560.9M |
| Capital Research Global Investors | 0.11% | Reduce -10.0% | 2,406,291 | $536.8M |
| Amundi | 0.19% | Reduce -19.9% | 2,249,169 | $503.7M |
| California Public Employees Retirement System | 0.35% | Reduce -5.1% | 2,249,371 | $501.8M |
| Barclays PLC | 0.22% | Reduce -0.5% | 2,237,668 | $499.2M |
| Royal Bank of Canada | 0.11% | Add +8.0% | 2,185,616 | $487.6M |
| Janus Henderson Group PLC | 0.25% | Reduce -0.8% | 2,171,137 | $484.4M |
| T. Rowe Price Investment Management, Inc. | 0.28% | Reduce -49.0% | 2,071,251 | $462.1M |
| Ako Capital LLP | 5.74% | Add +32.7% | 1,973,234 | $440.2M |
| Dimensional Fund Advisors LP | 0.11% | Reduce -1.1% | 1,957,134 | $436.6M |
| Bahl & Gaynor LLC | 2.22% | Add +4.7% | 1,928,915 | $430.3M |
| Impax Asset Management Group plc | 1.59% | Add +5.6% | 1,812,150 | $403.2M |
| Acadian Asset Management LLC | 1.16% | Add +44.0% | 1,669,488 | $372.4M |
| Robeco Institutional Asset Management B.V. | 0.73% | Add +1.2% | 1,650,436 | $368.2M |
| Swiss National Bank | 0.21% | Add +0.6% | 1,464,900 | $326.8M |
| Navera Investment Management Ltd. | 5.70% | Reduce -1.7% | 1,436,005 | $320.4M |
| Alliancebernstein L.P. | 0.10% | Reduce -1.2% | 1,350,788 | $301.3M |
| Qube Research & Technologies Ltd | 0.55% | Add +84.1% | 1,342,566 | $299.5M |
| HSBC Holdings PLC | 0.19% | Add +0.9% | 1,331,339 | $296.9M |
| Bank of Montreal | 0.14% | Add +7.9% | 1,308,827 | $293.1M |
| Montrusco Bolton Investments Inc. | 3.08% | Reduce -17.8% | 1,331,257 | $292.0M |
| FIL Ltd | 0.25% | Add +4.4% | 1,216,068 | $271.3M |
| DekaBank Deutsche Girozentrale | 0.49% | Reduce -0.3% | 1,193,291 | $266.3M |
| Sumitomo Mitsui Trust Group, Inc. | 0.18% | Add +1.6% | 1,180,567 | $263.4M |
| Envestnet Asset Management Inc. | 0.08% | Add +0.3% | 1,178,536 | $262.9M |
| American Century Companies Inc. | 0.15% | Reduce -9.5% | 1,156,765 | $258.1M |
| First Trust Advisors LP | 0.24% | Reduce -1.2% | 1,111,581 | $248.0M |
| W1M Investment Management Ltd | 4.05% | Add +4.8% | 1,104,799 | $246.5M |
| Storebrand Asset Management As | 0.77% | Reduce -5.5% | 1,101,601 | $245.8M |
| Aviva PLC | 0.62% | Add +0.9% | 1,061,916 | $236.9M |
| Caisse de depot et placement du Quebec | 0.45% | Reduce -10.4% | 1,019,104 | $227.4M |
| Polar Capital Holdings Plc | 1.07% | Reduce -0.8% | 996,375 | $222.3M |
| BNP Paribas Financial Markets | 0.22% | Add +82.4% | 993,881 | $221.7M |
| Voloridge Investment Management, LLC | 0.80% | Add +8.8% | 984,764 | $219.7M |
| Rhumbline Advisers | 0.20% | Reduce -4.6% | 973,331 | $217.1M |
| Nordea Investment Management AB | 0.25% | Add +8.5% | 966,685 | $216.1M |
| National Pension Service | 0.20% | Add +11.7% | 945,862 | $211.0M |
| Raymond James & Associates | 0.13% | Add +0.8% | 933,159 | $208.2M |
| Schroder Investment Management Group | 0.21% | Add +38.0% | 905,534 | $202.8M |
| Adage Capital Partners Gp, L.L.C. | 0.36% | Add +186.0% | 908,561 | $202.7M |
| Manufacturers Life Insurance Company, The | 0.18% | Add +127.9% | 899,716 | $200.7M |
| Findlay Park Partners LLP | 1.87% | Reduce -23.1% | 888,967 | $198.3M |
| Ninety One UK Ltd | 0.52% | Reduce -2.5% | 878,514 | $196.0M |
| TD Asset Management Inc | 0.17% | Add +11.8% | 871,927 | $195.3M |
| California State Teachers Retirement System | 0.22% | Add +1.3% | 849,061 | $189.4M |
| Principal Financial Group Inc. | 0.10% | Add +3.0% | 839,757 | $187.3M |
| Capital Group Private Client Services, Inc. | 1.67% | Reduce -2.4% | 785,288 | $175.2M |
| Natixis Advisors, LLC | 0.33% | Add +6.3% | 759,300 | $169.4M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.17% | Add +7.7% | 729,717 | $162.8M |
| Markel Group | 1.45% | Add +2.3% | 722,500 | $161.2M |
| Prudential Financial Inc. | 0.22% | Add +23.3% | 703,937 | $157.0M |
| New York State Common Retirement Fund | 0.20% | Reduce -10.4% | 678,182 | $151.3M |
| TrinityBridge Ltd | 4.57% | Add +6.2% | 666,809 | $148.8M |
| Aberdeen Group plc | 0.27% | Add +3.1% | 665,006 | $148.4M |
| Assetmark, Inc. | 0.42% | Add +2.4% | 653,781 | $145.9M |
| National Bank of Canada | 0.19% | Add +128.1% | 630,653 | $140.7M |
| Credit Agricole S A | 0.69% | Add +18.2% | 591,614 | $132.0M |
| Epoch Investment Partners, Inc. | 0.59% | Add +1.2% | 591,247 | $131.9M |
| CANADA LIFE ASSURANCE Co | 0.23% | Add +2.5% | 589,028 | $131.6M |
| PNC Financial Services Group, Inc. | 0.08% | Add +3.7% | 587,472 | $131.1M |
| Rathbones Group PLC | 0.66% | Add +34.1% | 585,167 | $130.5M |
| Mackenzie Financial Corp. | 0.18% | Add +34.1% | 565,749 | $126.2M |
| Lord, Abbett & Co. LLC | 0.40% | Add +5.2% | 553,640 | $123.5M |
| Los Angeles Capital Management LLC | 0.48% | Add +219.4% | 529,239 | $118.1M |
| Jennison Associates LLC | 0.07% | Reduce -43.5% | 522,377 | $116.5M |
"% of holder's portfolio" is MRSH's weight in each manager's 13F, not the share of Marsh & McLennan Cos the manager owns.