Marsh & McLennan Companies, Inc.
MRSH- Exchange
- NYSE
- Industry
- Insurance Agents, Brokers & Service
- SEC CIK
- 0000062709
In the last 90 days, Marsh & McLennan Companies, Inc. insiders filed 0 open-market purchases and 6 sales; 1,506 institutions reported holding it in 13F filings for Q2 2026, worth $73.1B in total; superinvestors Harris Associates (Oakmark) and Markel Group hold it.
13F holders, Q1 2026
Institutional positions in Marsh & McLennan Companies, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,548
- −24 vs. Q4 2025
- Shares held
- 438.9M
- +59.3M (+15.6%) vs. Q4 2025
- Total value
- $76.1B
- +$5.70B (+8.1%) vs. Q4 2025
- New holders
- 142
- 614 more added
- Sold out
- 166
- 579 more reduced
22 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MRSH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,506 | $73.1B |
| Q1 2026 | 1,548 | $76.1B |
| Q4 2025 | 1,594 | $80.9B |
| Q3 2025 | 1,576 | $87.2B |
| Q2 2025 | 1,610 | $97.3B |
| Q1 2025 | 1,627 | $108.0B |
| Q4 2024 | 1,578 | $94.2B |
| Q3 2024 | 1,531 | $97.1B |
| Q2 2024 | 1,476 | $92.3B |
| Q1 2024 | 1,444 | $89.9B |
| Q4 2023 | 1,376 | $82.4B |
| Q3 2023 | 1,294 | $82.0B |
| Q2 2023 | 1,258 | $81.5B |
| Q1 2023 | 1,228 | $72.1B |
| Q4 2022 | 1,223 | $72.3B |
| Q3 2022 | 1,159 | $65.5B |
| Q2 2022 | 1,150 | $68.6B |
| Q1 2022 | 1,151 | $75.2B |
| Q4 2021 | 1,170 | $77.6B |
| Q3 2021 | 1,078 | $68.0B |
| Q2 2021 | 1,007 | $63.6B |
| Q1 2021 | 979 | $54.7B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nordea Investment Management AB | 164,453 | $28.6M | 0.03% | −343,275−67.6% | Reduced |
| LGT Capital Partners Ltd. | 161,143 | $28.0M | 1.48% | −12,088−7.0% | Reduced |
| Federation des caisses Desjardins du Quebec | 159,453 | $27.7M | 0.10% | +12,593+8.6% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 157,833 | $27.4M | 0.14% | −983−0.6% | Reduced |
| Janus Henderson Group PLC | 157,363 | $27.3M | 0.01% | −225,633−58.9% | Reduced |
| STRS Ohio | 157,270 | $27.3M | 0.11% | +154,059+4,797.9% | Added |
| Assenagon Asset Management S.A. | 157,257 | $27.3M | 0.04% | −1,362,907−89.7% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 153,019 | $26.5M | 0.08% | −8,501−5.3% | Reduced |
| Horizon Kinetics Asset Management LLC | 151,341 | $26.3M | 0.28% | −5,344−3.4% | Reduced |
| State of Tennessee, Treasury Department | 150,454 | $26.1M | 0.09% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 148,112 | $25.7M | 0.13% | +13,570+10.1% | Added |
| Voya Investment Management LLC | 146,400 | $25.4M | 0.03% | −2,409−1.6% | Reduced |
| Cetera Investment Advisers | 144,505 | $25.1M | 0.03% | +3,661+2.6% | Added |
| Tredje AP-fonden | 142,023 | $24.6M | 0.13% | +142,023 | New |
| Schroder Investment Management Group | 140,426 | $24.5M | 0.02% | −141,968−50.3% | Reduced |
| Public Sector Pension Investment Board | 137,679 | $23.9M | 0.07% | +12,875+10.3% | Added |
| Distillate Capital Partners LLC | 137,460 | $23.8M | 1.26% | +35,114+34.3% | Added |
| Citadel Advisors LLC | 136,487 | $23.7M | 0.02% | −685,884−83.4% | Reduced |
| US Bancorp | 136,261 | $23.6M | 0.03% | −6,595−4.6% | Reduced |
| Hardman Johnston Global Advisors LLC | 135,391 | $23.5M | 1.12% | −8,579−6.0% | Reduced |
| CWM, LLC | 134,815 | $23.4M | 0.06% | +70,452+109.5% | Added |
| Arizona State Retirement System | 134,242 | $23.3M | 0.14% | −4,610−3.3% | Reduced |
| Calamos Advisors LLC | 134,122 | $23.3M | 0.09% | +2,450+1.9% | Added |
| Glenmede Trust Co NA | 132,840 | $23.0M | 0.11% | −11,642−8.1% | Reduced |
| CIBC Bancorp USA Inc. | 132,066 | $22.9M | 0.03% | +132,066 | New |
| Czech National Bank | 131,849 | $22.9M | 0.15% | +2,667+2.1% | Added |
| ASR Vermogensbeheer N.V. | 130,948 | $22.7M | 0.27% | +4,628+3.7% | Added |
| State of Michigan Retirement System | 130,775 | $22.7M | 0.12% | −1,800−1.4% | Reduced |
| Stock Yards Bank & Trust Co | 129,126 | $22.4M | 0.70% | −4,053−3.0% | Reduced |
| DnB Asset Management AS | 128,762 | $22.3M | 0.08% | +9,674+8.1% | Added |
| Varma Mutual Pension Insurance Co | 127,104 | $22.0M | 0.13% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 126,591 | $22.0M | 0.02% | +50,421+66.2% | Added |
| Brown Brothers Harriman & Co | 126,349 | $21.9M | 0.12% | +3,545+2.9% | Added |
| Teachers Retirement System of the State of Kentucky | 123,602 | $21.4M | 0.17% | 00.0% | Unchanged |
| Banco Santander, S.A. | 123,015 | $21.3M | 0.17% | −16,633−11.9% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 122,067 | $21.2M | 0.17% | +30,036+32.6% | Added |
| Choate Investment Advisors | 121,874 | $21.1M | 0.41% | +84+0.1% | Added |
| TD Waterhouse Canada Inc. | 121,540 | $20.9M | 0.06% | +59,595+96.2% | Added |
| Worldquant Millennium Advisors LLC | 119,171 | $20.7M | 0.08% | −773,762−86.7% | Reduced |
| Van Eck Associates Corp | 118,936 | $20.6M | 0.02% | +12,525+11.8% | Added |
| Capital Group Private Client Services, Inc. | 118,256 | $20.5M | 0.35% | −59,965−33.6% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 118,003 | $20.5M | 0.16% | −63,597−35.0% | Reduced |
| Rafferty Asset Management, LLC | 117,695 | $20.4M | 0.08% | −31,761−21.3% | Reduced |
| MetLife Investment Management | 115,746 | $20.1M | 0.10% | −4,576−3.8% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 114,009 | $19.8M | 0.39% | −12,902−10.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 112,773 | $19.6M | 0.10% | −1,183−1.0% | Reduced |
| Alps Advisors Inc | 110,795 | $19.2M | 0.09% | +110,795 | New |
| First Pacific Advisors, LP | 108,697 | $18.9M | 0.26% | +108,697 | New |
| ProShare Advisors LLC | 107,885 | $18.7M | 0.03% | −5,579−4.9% | Reduced |
| Northwest & Ethical Investments L.P. | 105,579 | $18.3M | 0.42% | +37,652+55.4% | Added |
| Washington Trust Co | 105,507 | $18.3M | 0.62% | +2,909+2.8% | Added |
| Prudential PLC | 104,375 | $18.1M | 0.14% | +5,346+5.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 109,862 | $18.0M | 0.04% | +23,424+27.1% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 103,030 | $17.9M | 0.17% | +2,658+2.6% | Added |
| Retirement Systems of Alabama | 102,808 | $17.8M | 0.06% | −1,413−1.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 102,300 | $17.7M | 0.05% | +13,366+15.0% | Added |
| AE Wealth Management LLC | 100,460 | $17.4M | 0.09% | −212−0.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 100,390 | $17.4M | 0.09% | +22,604+29.1% | Added |
| SEB Asset Management AB | 98,762 | $17.1M | 0.07% | +98,762 | New |
| Close Asset Management Ltd | 98,581 | $17.1M | 0.46% | −17,056−14.7% | Reduced |
| IFM Investors Pty Ltd | 97,885 | $17.0M | 0.14% | +3,194+3.4% | Added |
| Boston Family Office LLC | 97,181 | $16.9M | 1.12% | −846−0.9% | Reduced |
| Crestwood Advisors Group LLC | 96,736 | $16.8M | 0.28% | +80.0% | Added |
| KBC Group NV | 96,704 | $16.8M | 0.04% | −2,078−2.1% | Reduced |
| Mercer Global Advisors Inc | 96,527 | $16.7M | 0.02% | +31,284+47.9% | Added |
| Oppenheimer Asset Management Inc. | 95,968 | $16.6M | 0.19% | +10,809+12.7% | Added |
| Xponance, Inc. | 94,647 | $16.4M | 0.12% | +10,359+12.3% | Added |
| Torray LLC | 94,329 | $16.4M | 2.40% | −3,348−3.4% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 94,028 | $16.3M | 0.25% | +94,028 | New |
| Daiwa Securities Group Inc. | 93,595 | $16.2M | 0.05% | +13,618+17.0% | Added |
| Glenview Trust Co | 92,359 | $16.0M | 0.25% | +25,916+39.0% | Added |
| Wiley Bros.-Aintree Capital, LLC | 90,202 | $15.6M | 0.08% | +11,343+14.4% | Added |
| Amalgamated Bank | 89,691 | $15.6M | 0.12% | −2,667−2.9% | Reduced |
| National Bank of Canada | 88,256 | $15.3M | 0.02% | −153,404−63.5% | Reduced |
| Sanctuary Advisors, LLC | 86,819 | $15.1M | 0.08% | +159+0.2% | Added |
| USS Investment Management Ltd | 84,645 | $14.7M | 0.06% | +3,271+4.0% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 84,056 | $14.6M | 0.80% | +84,056 | New |
| Segment Wealth Management, LLC | 83,148 | $14.4M | 0.85% | +5,413+7.0% | Added |
| Capitolis Liquid Global Markets LLC | 82,647 | $14.3M | 0.09% | +82,647 | New |
| EULAV Asset Management | 82,000 | $14.2M | 0.46% | −50,000−37.9% | Reduced |
| Wesleyan Assurance Society | 81,926 | $14.2M | 0.84% | 00.0% | Unchanged |
| Vinva Investment Management Ltd | 80,474 | $14.1M | 0.18% | +18,213+29.3% | Added |
| Osborne Partners Capital Management, LLC | 80,882 | $14.0M | 0.74% | +2,066+2.6% | Added |
| Millennium Management LLC | 80,034 | $13.9M | 0.01% | −644,614−89.0% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 79,705 | $13.8M | 0.04% | −3,883−4.6% | Reduced |
| Factory Mutual Insurance Co | 79,400 | $13.8M | 0.15% | +3,050+4.0% | Added |
| Utah Retirement Systems | 78,982 | $13.7M | 0.14% | −2,511−3.1% | Reduced |
| Running Oak Capital LLC | 78,427 | $13.6M | 1.84% | +3,682+4.9% | Added |
| Vancity Investment Management Ltd | 75,850 | $13.2M | 2.09% | −5,916−7.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 74,716 | $13.0M | 0.11% | −328−0.4% | Reduced |
| Rockefeller Capital Management L.P. | 74,696 | $13.0M | 0.02% | −4,195−5.3% | Reduced |
| Rakuten Investment Management, Inc. | 72,137 | $12.6M | 0.03% | +7,601+11.8% | Added |
| Foyston, Gordon, & Payne Inc | 72,328 | $12.5M | 2.89% | +1,866+2.6% | Added |
| Brown Advisory Inc | 72,150 | $12.5M | 0.02% | +714+1.0% | Added |
| New York Life Investment Management LLC | 71,882 | $12.5M | 0.11% | +727+1.0% | Added |
| Bridges Investment Management Inc | 71,671 | $12.4M | 0.17% | −2,218−3.0% | Reduced |
| Whittier Trust Co of Nevada Inc | 70,687 | $12.4M | 0.25% | +4,479+6.8% | Added |
| NEOS Investment Management LLC | 70,360 | $12.2M | 0.06% | +1,957+2.9% | Added |
| Callan Family Office, LLC | 70,348 | $12.2M | 0.28% | −5,895−7.7% | Reduced |
| Nixon Peabody Trust Co | 70,024 | $12.1M | 0.97% | +44,249+171.7% | Added |