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, Q4 2025
Institutional positions in Marsh & McLennan Companies, Inc. as of Dec 31, 2025. 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
- 1,594
- +51 vs. Q3 2025
- Shares held
- 435.8M
- +3.70M (+0.9%) vs. Q3 2025
- Total value
- $80.9B
- −$6.18B (−7.1%) vs. Q3 2025
- New holders
- 219
- 527 more added
- Sold out
- 168
- 644 more reduced
33 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Blair William & Co | 35,729 | $6.63M | 0.02% | −10,870−23.3% | Reduced |
| Sone Capital Management, LLC | 35,830 | $6.65M | 0.54% | +35,830 | New |
| Huntington National Bank | 36,488 | $6.77M | 0.04% | −881−2.4% | Reduced |
| Verition Fund Management LLC | 36,786 | $6.82M | 0.04% | −6,535−15.1% | Reduced |
| King Luther Capital Management Corp | 36,882 | $6.84M | 0.03% | −15,956−30.2% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 37,037 | $6.87M | 0.02% | +16,844+83.4% | Added |
| Ipswich Investment Management Co., Inc. | 37,168 | $6.90M | 1.60% | −309−0.8% | Reduced |
| Bennett Selby Investments LP | 37,182 | $6.90M | 2.22% | +305+0.8% | Added |
| Illinois Municipal Retirement Fund | 37,227 | $6.91M | 0.09% | −2,030−5.2% | Reduced |
| Winton Group Ltd | 37,235 | $6.91M | 0.24% | +37,235 | New |
| Allstate Corp | 37,697 | $6.99M | 0.10% | +19,129+103.0% | Added |
| Bleakley Financial Group, LLC | 37,799 | $7.01M | 0.12% | +2,771+7.9% | Added |
| Brevan Howard Capital Management LP | 37,970 | $7.04M | 0.13% | +6,462+20.5% | Added |
| Northwestern Mutual Wealth Management Co | 38,130 | $7.07M | 0.00% | −2,984−7.3% | Reduced |
| Horizon Investments, LLC | 38,255 | $7.10M | 0.09% | +10,910+39.9% | Added |
| Blue Sparrow, LLC | 38,291 | $7.10M | 0.13% | +38,291 | New |
| Stokes Capital Advisors, LLC | 38,452 | $7.13M | 1.63% | −4,139−9.7% | Reduced |
| Builder Investment Group Inc | 38,456 | $7.13M | 1.54% | −650−1.7% | Reduced |
| Peapack Gladstone Financial Corp | 38,729 | $7.18M | 0.09% | +21,519+125.0% | Added |
| Osmosis Investment Management UK Ltd | 38,887 | $7.21M | 0.18% | +38,887 | New |
| Occudo Quantitative Strategies LP | 39,495 | $7.33M | 0.49% | +31,930+422.1% | Added |
| Avanza Fonder AB | 39,722 | $7.37M | 0.19% | 00.0% | Unchanged |
| UniSuper Management Pty Ltd | 40,040 | $7.43M | 0.04% | +513+1.3% | Added |
| B. Metzler seel. Sohn & Co. AG | 40,253 | $7.47M | 0.07% | −148,508−78.7% | Reduced |
| CX Institutional | 41,078 | $7.62M | 0.23% | +1,968+5.0% | Added |
| Balyasny Asset Management LLC | 42,078 | $7.81M | 0.01% | +32,672+347.4% | Added |
| Sustainable Insight Capital Management, LLC | 42,915 | $7.96M | 2.66% | +1,800+4.4% | Added |
| Numerai GP LLC | 43,107 | $8.00M | 0.96% | +5,887+15.8% | Added |
| Union Bancaire Privee, UBP SA | 25,678 | $8.05M | 0.13% | −14,080−35.4% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 43,385 | $8.05M | 0.22% | +73+0.2% | Added |
| Vontobel Holding Ltd. | 43,777 | $8.12M | 0.03% | +1,178+2.8% | Added |
| Pacer Advisors, Inc. | 43,875 | $8.14M | 0.02% | +4,280+10.8% | Added |
| Investment Management Corp of Ontario | 43,983 | $8.16M | 0.11% | +10,241+30.4% | Added |
| Kempen Capital Management N.V. | 44,049 | $8.17M | 0.07% | −2,085−4.5% | Reduced |
| Annex Advisory Services, LLC | 44,117 | $8.18M | 0.16% | −52,239−54.2% | Reduced |
| Cornerstone Advisors, LLC | 44,800 | $8.31M | 0.28% | 00.0% | Unchanged |
| AIA Group Ltd | 44,845 | $8.32M | 0.12% | +23,943+114.5% | Added |
| MML Investors Services, LLC | 44,989 | $8.35M | 0.02% | +3,466+8.3% | Added |
| Quadrature Capital Ltd | 45,650 | $8.47M | 0.09% | +43,053+1,657.8% | Added |
| Kinsale Capital Group, Inc. | 46,206 | $8.57M | 1.42% | +2,471+5.6% | Added |
| CIBC Private Wealth Group, LLC | 48,119 | $8.93M | 0.02% | −1,489−3.0% | Reduced |
| Vestmark Advisory Solutions, Inc. | 48,485 | $8.99M | 0.12% | +28,632+144.2% | Added |
| Candriam Luxembourg S.C.A. | 49,518 | $9.19M | 0.05% | −247−0.5% | Reduced |
| Captrust Financial Advisors | 50,022 | $9.28M | 0.02% | +1,471+3.0% | Added |
| Allianz Asset Management GmbH | 50,802 | $9.42M | 0.01% | −202,066−79.9% | Reduced |
| Advisor Group Holdings, Inc. | 51,525 | $9.56M | 0.01% | −68,673−57.1% | Reduced |
| Azimuth Capital Investment Management LLC | 52,153 | $9.68M | 0.35% | −2,881−5.2% | Reduced |
| Wealthfront Advisers LLC | 52,498 | $9.74M | 0.02% | −6,732−11.4% | Reduced |
| Mutual of America Capital Management LLC | 52,609 | $9.76M | 0.10% | −682−1.3% | Reduced |
| Brinker Capital Investments, LLC | 53,188 | $9.87M | 0.07% | +882+1.7% | Added |
| Strategic Wealth Designers | 53,419 | $9.91M | 1.22% | −22,617−29.7% | Reduced |
| Andra AP-fonden | 54,110 | $10.0M | 0.12% | +3,000+5.9% | Added |
| OP Asset Management Ltd | 54,533 | $10.1M | 0.12% | +553+1.0% | Added |
| RMB Capital Management, LLC | 54,843 | $10.2M | 0.18% | −4,305−7.3% | Reduced |
| Oregon Public Employees Retirement Fund | 56,027 | $10.4M | 0.13% | −200−0.4% | Reduced |
| JLB & Associates Inc | 56,041 | $10.4M | 1.40% | −1,475−2.6% | Reduced |
| Apollon Wealth Management, LLC | 56,187 | $10.4M | 0.18% | −508−0.9% | Reduced |
| Capital International Sarl | 58,099 | $10.8M | 0.17% | −9,397−13.9% | Reduced |
| Yousif Capital Management, LLC | 59,779 | $10.8M | 0.12% | −3,909−6.1% | Reduced |
| Generali Asset Management SPA SGR | 59,102 | $11.0M | 0.22% | +2,222+3.9% | Added |
| First American Bank | 60,787 | $11.3M | 0.68% | −359−0.6% | Reduced |
| Gabelli Funds LLC | 61,000 | $11.3M | 0.08% | −2,200−3.5% | Reduced |
| Guggenheim Capital LLC | 61,251 | $11.4M | 0.08% | −17,305−22.0% | Reduced |
| Ethic Inc. | 61,252 | $11.4M | 0.17% | −621−1.0% | Reduced |
| Harbour Trust & Investment Management Co | 61,770 | $11.5M | 1.17% | −386−0.6% | Reduced |
| TD Waterhouse Canada Inc. | 61,945 | $11.5M | 0.07% | −33,945−35.4% | Reduced |
| Levin Capital Strategies, L.P. | 62,066 | $11.5M | 1.00% | −50−0.1% | Reduced |
| CIBC World Markets Inc. | 62,092 | $11.5M | 0.02% | +47,877+336.8% | Added |
| Public Employees Retirement Association of Colorado | 62,191 | $11.5M | 0.04% | −176−0.3% | Reduced |
| Nissay Asset Management Corp | 62,271 | $11.6M | 0.06% | +645+1.0% | Added |
| Baker Avenue Asset Management, LP | 62,570 | $11.6M | 0.27% | −7,846−11.1% | Reduced |
| Elo Mutual Pension Insurance Co | 62,597 | $11.6M | 0.18% | +12,797+25.7% | Added |
| Vinva Investment Management Ltd | 62,261 | $11.7M | 0.15% | +20,999+50.9% | Added |
| JustInvest LLC | 63,565 | $11.8M | 0.12% | +3,976+6.7% | Added |
| Carnegie Capital Asset Management, LLC | 64,009 | $11.9M | 0.22% | −33,011−34.0% | Reduced |
| Lido Advisors, LLC | 59,635 | $11.9M | 0.05% | −898−1.5% | Reduced |
| CWM, LLC | 64,363 | $11.9M | 0.03% | +27,858+76.3% | Added |
| GWM Advisors LLC | 64,499 | $12.0M | 0.04% | +25,486+65.3% | Added |
| Commonwealth Equity Services, LLC | 64,657 | $12.0M | 0.02% | −4,810−6.9% | Reduced |
| Mercer Global Advisors Inc | 65,243 | $12.1M | 0.02% | −455−0.7% | Reduced |
| Rakuten Investment Management, Inc. | 64,536 | $12.1M | 0.04% | +61,549+2,060.6% | Added |
| State of Alaska, Department of Revenue | 65,747 | $12.2M | 0.13% | −3,865−5.6% | Reduced |
| Whittier Trust Co of Nevada Inc | 66,208 | $12.3M | 0.26% | −1,670−2.5% | Reduced |
| Glenview Trust Co | 66,443 | $12.3M | 0.19% | −36,984−35.8% | Reduced |
| Northwest & Ethical Investments L.P. | 67,927 | $12.6M | 0.28% | −16,791−19.8% | Reduced |
| Susquehanna International Group, LLP | 68,159 | $12.6M | 0.02% | −46,366−40.5% | Reduced |
| NEOS Investment Management LLC | 68,403 | $12.7M | 0.07% | +5,449+8.7% | Added |
| Gillson Capital LP | 69,600 | $12.9M | 0.84% | +69,600 | New |
| Foyston, Gordon, & Payne Inc | 70,462 | $13.1M | 2.85% | +11,306+19.1% | Added |
| Man Group plc | 70,574 | $13.1M | 0.02% | +34,071+93.3% | Added |
| New York Life Investment Management LLC | 71,155 | $13.2M | 0.11% | −570−0.8% | Reduced |
| Brown Advisory Inc | 71,436 | $13.3M | 0.02% | −1,801−2.5% | Reduced |
| Macquarie Group Ltd | 71,877 | $13.3M | 0.06% | −520,632−87.9% | Reduced |
| Atria Investments LLC | 72,591 | $13.5M | 0.15% | −7,413−9.3% | Reduced |
| Bridges Investment Management Inc | 73,889 | $13.7M | 0.17% | −2,307−3.0% | Reduced |
| Engineers Gate Manager LP | 73,936 | $13.7M | 0.16% | +27,713+60.0% | Added |
| Running Oak Capital LLC | 74,745 | $13.9M | 1.74% | −2,181−2.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 75,044 | $13.9M | 0.12% | −4,403−5.5% | Reduced |
| MUFG Securities EMEA plc | 75,084 | $13.9M | 0.16% | +23,674+46.0% | Added |
| CIBC World Markets Corp | 75,653 | $14.0M | 0.07% | +75,653 | New |