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 |
|---|---|---|---|---|---|
| Atria Investments LLC | 72,591 | $13.5M | 0.15% | −7,413−9.3% | Reduced |
| Macquarie Group Ltd | 71,877 | $13.3M | 0.06% | −520,632−87.9% | Reduced |
| Brown Advisory Inc | 71,436 | $13.3M | 0.02% | −1,801−2.5% | Reduced |
| New York Life Investment Management LLC | 71,155 | $13.2M | 0.11% | −570−0.8% | Reduced |
| Man Group plc | 70,574 | $13.1M | 0.02% | +34,071+93.3% | Added |
| Foyston, Gordon, & Payne Inc | 70,462 | $13.1M | 2.85% | +11,306+19.1% | Added |
| Gillson Capital LP | 69,600 | $12.9M | 0.84% | +69,600 | New |
| NEOS Investment Management LLC | 68,403 | $12.7M | 0.07% | +5,449+8.7% | Added |
| Susquehanna International Group, LLP | 68,159 | $12.6M | 0.02% | −46,366−40.5% | Reduced |
| Northwest & Ethical Investments L.P. | 67,927 | $12.6M | 0.28% | −16,791−19.8% | Reduced |
| Glenview Trust Co | 66,443 | $12.3M | 0.19% | −36,984−35.8% | Reduced |
| Whittier Trust Co of Nevada Inc | 66,208 | $12.3M | 0.26% | −1,670−2.5% | Reduced |
| State of Alaska, Department of Revenue | 65,747 | $12.2M | 0.13% | −3,865−5.6% | Reduced |
| Rakuten Investment Management, Inc. | 64,536 | $12.1M | 0.04% | +61,549+2,060.6% | Added |
| Mercer Global Advisors Inc | 65,243 | $12.1M | 0.02% | −455−0.7% | Reduced |
| Commonwealth Equity Services, LLC | 64,657 | $12.0M | 0.02% | −4,810−6.9% | Reduced |
| GWM Advisors LLC | 64,499 | $12.0M | 0.04% | +25,486+65.3% | Added |
| CWM, LLC | 64,363 | $11.9M | 0.03% | +27,858+76.3% | Added |
| Lido Advisors, LLC | 59,635 | $11.9M | 0.05% | −898−1.5% | Reduced |
| Carnegie Capital Asset Management, LLC | 64,009 | $11.9M | 0.22% | −33,011−34.0% | Reduced |
| JustInvest LLC | 63,565 | $11.8M | 0.12% | +3,976+6.7% | Added |
| Vinva Investment Management Ltd | 62,261 | $11.7M | 0.15% | +20,999+50.9% | Added |
| Elo Mutual Pension Insurance Co | 62,597 | $11.6M | 0.18% | +12,797+25.7% | Added |
| Baker Avenue Asset Management, LP | 62,570 | $11.6M | 0.27% | −7,846−11.1% | Reduced |
| Nissay Asset Management Corp | 62,271 | $11.6M | 0.06% | +645+1.0% | Added |
| Public Employees Retirement Association of Colorado | 62,191 | $11.5M | 0.04% | −176−0.3% | Reduced |
| CIBC World Markets Inc. | 62,092 | $11.5M | 0.02% | +47,877+336.8% | Added |
| Levin Capital Strategies, L.P. | 62,066 | $11.5M | 1.00% | −50−0.1% | Reduced |
| TD Waterhouse Canada Inc. | 61,945 | $11.5M | 0.07% | −33,945−35.4% | Reduced |
| Harbour Trust & Investment Management Co | 61,770 | $11.5M | 1.17% | −386−0.6% | Reduced |
| Ethic Inc. | 61,252 | $11.4M | 0.17% | −621−1.0% | Reduced |
| Guggenheim Capital LLC | 61,251 | $11.4M | 0.08% | −17,305−22.0% | Reduced |
| Gabelli Funds LLC | 61,000 | $11.3M | 0.08% | −2,200−3.5% | Reduced |
| First American Bank | 60,787 | $11.3M | 0.68% | −359−0.6% | Reduced |
| Generali Asset Management SPA SGR | 59,102 | $11.0M | 0.22% | +2,222+3.9% | Added |
| Yousif Capital Management, LLC | 59,779 | $10.8M | 0.12% | −3,909−6.1% | Reduced |
| Capital International Sarl | 58,099 | $10.8M | 0.17% | −9,397−13.9% | Reduced |
| Apollon Wealth Management, LLC | 56,187 | $10.4M | 0.18% | −508−0.9% | Reduced |
| JLB & Associates Inc | 56,041 | $10.4M | 1.40% | −1,475−2.6% | Reduced |
| Oregon Public Employees Retirement Fund | 56,027 | $10.4M | 0.13% | −200−0.4% | Reduced |
| RMB Capital Management, LLC | 54,843 | $10.2M | 0.18% | −4,305−7.3% | Reduced |
| OP Asset Management Ltd | 54,533 | $10.1M | 0.12% | +553+1.0% | Added |
| Andra AP-fonden | 54,110 | $10.0M | 0.12% | +3,000+5.9% | Added |
| Strategic Wealth Designers | 53,419 | $9.91M | 1.22% | −22,617−29.7% | Reduced |
| Brinker Capital Investments, LLC | 53,188 | $9.87M | 0.07% | +882+1.7% | Added |
| Mutual of America Capital Management LLC | 52,609 | $9.76M | 0.10% | −682−1.3% | Reduced |
| Wealthfront Advisers LLC | 52,498 | $9.74M | 0.02% | −6,732−11.4% | Reduced |
| Azimuth Capital Investment Management LLC | 52,153 | $9.68M | 0.35% | −2,881−5.2% | Reduced |
| Advisor Group Holdings, Inc. | 51,525 | $9.56M | 0.01% | −68,673−57.1% | Reduced |
| Allianz Asset Management GmbH | 50,802 | $9.42M | 0.01% | −202,066−79.9% | Reduced |
| Captrust Financial Advisors | 50,022 | $9.28M | 0.02% | +1,471+3.0% | Added |
| Candriam Luxembourg S.C.A. | 49,518 | $9.19M | 0.05% | −247−0.5% | Reduced |
| Vestmark Advisory Solutions, Inc. | 48,485 | $8.99M | 0.12% | +28,632+144.2% | Added |
| CIBC Private Wealth Group, LLC | 48,119 | $8.93M | 0.02% | −1,489−3.0% | Reduced |
| Kinsale Capital Group, Inc. | 46,206 | $8.57M | 1.42% | +2,471+5.6% | Added |
| Quadrature Capital Ltd | 45,650 | $8.47M | 0.09% | +43,053+1,657.8% | Added |
| MML Investors Services, LLC | 44,989 | $8.35M | 0.02% | +3,466+8.3% | Added |
| AIA Group Ltd | 44,845 | $8.32M | 0.12% | +23,943+114.5% | Added |
| Cornerstone Advisors, LLC | 44,800 | $8.31M | 0.28% | 00.0% | Unchanged |
| Annex Advisory Services, LLC | 44,117 | $8.18M | 0.16% | −52,239−54.2% | Reduced |
| Kempen Capital Management N.V. | 44,049 | $8.17M | 0.07% | −2,085−4.5% | Reduced |
| Investment Management Corp of Ontario | 43,983 | $8.16M | 0.11% | +10,241+30.4% | Added |
| Pacer Advisors, Inc. | 43,875 | $8.14M | 0.02% | +4,280+10.8% | Added |
| Vontobel Holding Ltd. | 43,777 | $8.12M | 0.03% | +1,178+2.8% | Added |
| Sanibel Captiva Trust Company, Inc. | 43,385 | $8.05M | 0.22% | +73+0.2% | Added |
| Union Bancaire Privee, UBP SA | 25,678 | $8.05M | 0.13% | −14,080−35.4% | Reduced |
| Numerai GP LLC | 43,107 | $8.00M | 0.96% | +5,887+15.8% | Added |
| Sustainable Insight Capital Management, LLC | 42,915 | $7.96M | 2.66% | +1,800+4.4% | Added |
| Balyasny Asset Management LLC | 42,078 | $7.81M | 0.01% | +32,672+347.4% | Added |
| CX Institutional | 41,078 | $7.62M | 0.23% | +1,968+5.0% | Added |
| B. Metzler seel. Sohn & Co. AG | 40,253 | $7.47M | 0.07% | −148,508−78.7% | Reduced |
| UniSuper Management Pty Ltd | 40,040 | $7.43M | 0.04% | +513+1.3% | Added |
| Avanza Fonder AB | 39,722 | $7.37M | 0.19% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 39,495 | $7.33M | 0.49% | +31,930+422.1% | Added |
| Osmosis Investment Management UK Ltd | 38,887 | $7.21M | 0.18% | +38,887 | New |
| Peapack Gladstone Financial Corp | 38,729 | $7.18M | 0.09% | +21,519+125.0% | Added |
| Builder Investment Group Inc | 38,456 | $7.13M | 1.54% | −650−1.7% | Reduced |
| Stokes Capital Advisors, LLC | 38,452 | $7.13M | 1.63% | −4,139−9.7% | Reduced |
| Blue Sparrow, LLC | 38,291 | $7.10M | 0.13% | +38,291 | New |
| Horizon Investments, LLC | 38,255 | $7.10M | 0.09% | +10,910+39.9% | Added |
| Northwestern Mutual Wealth Management Co | 38,130 | $7.07M | 0.00% | −2,984−7.3% | Reduced |
| Brevan Howard Capital Management LP | 37,970 | $7.04M | 0.13% | +6,462+20.5% | Added |
| Bleakley Financial Group, LLC | 37,799 | $7.01M | 0.12% | +2,771+7.9% | Added |
| Allstate Corp | 37,697 | $6.99M | 0.10% | +19,129+103.0% | Added |
| Winton Group Ltd | 37,235 | $6.91M | 0.24% | +37,235 | New |
| Illinois Municipal Retirement Fund | 37,227 | $6.91M | 0.09% | −2,030−5.2% | Reduced |
| Bennett Selby Investments LP | 37,182 | $6.90M | 2.22% | +305+0.8% | Added |
| Ipswich Investment Management Co., Inc. | 37,168 | $6.90M | 1.60% | −309−0.8% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 37,037 | $6.87M | 0.02% | +16,844+83.4% | Added |
| King Luther Capital Management Corp | 36,882 | $6.84M | 0.03% | −15,956−30.2% | Reduced |
| Verition Fund Management LLC | 36,786 | $6.82M | 0.04% | −6,535−15.1% | Reduced |
| Huntington National Bank | 36,488 | $6.77M | 0.04% | −881−2.4% | Reduced |
| Sone Capital Management, LLC | 35,830 | $6.65M | 0.54% | +35,830 | New |
| Blair William & Co | 35,729 | $6.63M | 0.02% | −10,870−23.3% | Reduced |
| Gluskin Sheff & Assoc Inc | 35,639 | $6.61M | 0.92% | −2,299−6.1% | Reduced |
| Franklin, Parlapiano, Turner & Welch, LLC | 36,169 | $6.60M | 1.64% | +1,701+4.9% | Added |
| Benjamin Edwards Inc | 35,293 | $6.55M | 0.07% | +7,418+26.6% | Added |
| Mizuho Securities USA LLC | 35,672 | $6.54M | 0.11% | −135−0.4% | Reduced |
| Canada Post Corp Registered Pension Plan | 35,258 | $6.54M | 0.25% | +475+1.4% | Added |
| New Vernon Investment Management LLC | 34,442 | $6.39M | 6.22% | +17,221+100.0% | Added |