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, Q3 2025
Institutional positions in Marsh & McLennan Companies, Inc. as of Sep 30, 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
- 1,576
- −6 vs. Q2 2025
- Shares held
- 432.7M
- −8.65M (−2.0%) vs. Q2 2025
- Total value
- $87.2B
- −$8.72B (−9.1%) vs. Q2 2025
- New holders
- 147
- 561 more added
- Sold out
- 153
- 607 more reduced
28 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nixon Peabody Trust Co | 72,384 | $14.6M | 1.07% | −787−1.1% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 71,862 | $14.5M | 0.09% | +9,793+15.8% | Added |
| New York Life Investment Management LLC | 71,725 | $14.5M | 0.13% | −2,055−2.8% | Reduced |
| British Columbia Investment Management Corp | 70,891 | $14.3M | 0.08% | −6,639−8.6% | Reduced |
| Baker Avenue Asset Management, LP | 70,416 | $14.2M | 0.34% | +1,483+2.2% | Added |
| Torray LLC | 70,015 | $14.1M | 1.91% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 69,612 | $14.0M | 0.14% | −2,848−3.9% | Reduced |
| Commonwealth Equity Services, LLC | 69,467 | $14.0M | 0.02% | −25,245−26.7% | Reduced |
| Colony Group, LLC | 68,252 | $13.8M | 0.02% | +37,854+124.5% | Added |
| Whittier Trust Co of Nevada Inc | 67,878 | $13.7M | 0.29% | +1,416+2.1% | Added |
| Capital International Sarl | 67,496 | $13.6M | 0.24% | +2,137+3.3% | Added |
| Mercer Global Advisors Inc | 65,698 | $13.2M | 0.02% | +25,841+64.8% | Added |
| Caisse de Depot Et Placement du Quebec | 65,661 | $13.2M | 0.02% | +20,325+44.8% | Added |
| Woodline Partners LP | 64,974 | $13.1M | 0.06% | +64,974 | New |
| Yousif Capital Management, LLC | 63,688 | $12.8M | 0.14% | −3,698−5.5% | Reduced |
| Gabelli Funds LLC | 63,200 | $12.7M | 0.09% | −700−1.1% | Reduced |
| Callan Family Office, LLC | 63,029 | $12.7M | 0.40% | +842+1.4% | Added |
| NEOS Investment Management LLC | 62,954 | $12.7M | 0.10% | +20,956+49.9% | Added |
| Jump Financial, LLC | 62,935 | $12.7M | 0.16% | +54,109+613.1% | Added |
| Public Employees Retirement Association of Colorado | 62,367 | $12.6M | 0.05% | −2,151−3.3% | Reduced |
| Harbour Trust & Investment Management Co | 62,156 | $12.5M | 1.29% | −1,028−1.6% | Reduced |
| Levin Capital Strategies, L.P. | 62,116 | $12.5M | 1.15% | −631−1.0% | Reduced |
| Bridgewater Associates, LP | 62,067 | $12.5M | 0.05% | +62,067 | New |
| Ethic Inc. | 61,873 | $12.5M | 0.21% | −6,606−9.6% | Reduced |
| Nissay Asset Management Corp | 61,626 | $12.4M | 0.07% | +630+1.0% | Added |
| First American Bank | 61,146 | $12.3M | 0.77% | +260+0.4% | Added |
| Lido Advisors, LLC | 60,533 | $12.2M | 0.05% | +1,420+2.4% | Added |
| Entropy Technologies, LP | 60,429 | $12.2M | 0.91% | +60,429 | New |
| JustInvest LLC | 59,589 | $12.0M | 0.12% | −7,851−11.6% | Reduced |
| Wealthfront Advisers LLC | 59,230 | $11.9M | 0.03% | −1,372−2.3% | Reduced |
| Foyston, Gordon, & Payne Inc | 59,156 | $11.9M | 2.61% | +1,940+3.4% | Added |
| RMB Capital Management, LLC | 59,148 | $11.9M | 0.22% | −11,003−15.7% | Reduced |
| Morningstar Investment Management LLC | 58,435 | $11.8M | 0.43% | +58,435 | New |
| JLB & Associates Inc | 57,516 | $11.6M | 1.52% | +648+1.1% | Added |
| AXA Investment Managers S.A. | 57,137 | $11.5M | 0.03% | +57,137 | New |
| Generali Asset Management SPA SGR | 56,880 | $11.5M | 0.25% | −1,168−2.0% | Reduced |
| Apollon Wealth Management, LLC | 56,695 | $11.4M | 0.20% | −2,399−4.1% | Reduced |
| Oregon Public Employees Retirement Fund | 56,227 | $11.3M | 0.15% | +13,684+32.2% | Added |
| Azimuth Capital Investment Management LLC | 55,034 | $11.1M | 0.40% | −1,772−3.1% | Reduced |
| Calamos Wealth Management LLC | 54,675 | $11.0M | 0.40% | +979+1.8% | Added |
| Union Bancaire Privee, UBP SA | 39,758 | $11.0M | 0.22% | −101,537−71.9% | Reduced |
| Schonfeld Strategic Advisors LLC | 54,443 | $11.0M | 0.08% | +6,922+14.6% | Added |
| OP Asset Management Ltd | 53,980 | $10.9M | 0.14% | +872+1.6% | Added |
| Mutual of America Capital Management LLC | 53,291 | $10.7M | 0.11% | −3,217−5.7% | Reduced |
| King Luther Capital Management Corp | 52,838 | $10.6M | 0.04% | +613+1.2% | Added |
| Brinker Capital Investments, LLC | 52,306 | $10.5M | 0.08% | −3,196−5.8% | Reduced |
| MUFG Securities EMEA plc | 51,410 | $10.4M | 0.26% | +49,954+3,430.9% | Added |
| Andra AP-fonden | 51,110 | $10.3M | 0.13% | +29,500+136.5% | Added |
| Elo Mutual Pension Insurance Co | 49,800 | $10.0M | 0.16% | +1,372+2.8% | Added |
| Candriam Luxembourg S.C.A. | 49,765 | $10.0M | 0.05% | −2,047−4.0% | Reduced |
| CIBC Private Wealth Group, LLC | 49,608 | $10.0M | 0.02% | +362+0.7% | Added |
| Edmond de Rothschild Holding S.A. | 48,605 | $9.80M | 0.15% | −3,003−5.8% | Reduced |
| Captrust Financial Advisors | 48,551 | $9.78M | 0.02% | −2,908−5.7% | Reduced |
| Hudson Valley Investment Advisors Inc | 47,072 | $9.49M | 0.99% | +91+0.2% | Added |
| Blair William & Co | 46,599 | $9.39M | 0.02% | −4,742−9.2% | Reduced |
| Engineers Gate Manager LP | 46,223 | $9.32M | 0.11% | −40,968−47.0% | Reduced |
| Kempen Capital Management N.V. | 46,134 | $9.30M | 0.08% | −54,499−54.2% | Reduced |
| Synergy Financial Management, LLC | 46,118 | $9.29M | 0.34% | +46,118 | New |
| Steward Partners Investment Advisory, LLC | 44,999 | $9.07M | 0.05% | +2,854+6.8% | Added |
| Cornerstone Advisors, LLC | 44,800 | $9.03M | 0.30% | 00.0% | Unchanged |
| Kinsale Capital Group, Inc. | 43,735 | $8.81M | 1.61% | +3,984+10.0% | Added |
| Verition Fund Management LLC | 43,321 | $8.73M | 0.05% | −1,377−3.1% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 43,312 | $8.73M | 0.25% | +346+0.8% | Added |
| Vontobel Holding Ltd. | 42,599 | $8.58M | 0.03% | −1,993−4.5% | Reduced |
| Stokes Capital Advisors, LLC | 42,591 | $8.58M | 2.00% | +842+2.0% | Added |
| MML Investors Services, LLC | 41,523 | $8.37M | 0.02% | +1,685+4.2% | Added |
| Sustainable Insight Capital Management, LLC | 41,115 | $8.29M | 2.60% | +21,674+111.5% | Added |
| Northwestern Mutual Wealth Management Co | 41,114 | $8.29M | 0.01% | +2,798+7.3% | Added |
| Vinva Investment Management Ltd | 41,262 | $8.26M | 0.17% | +14,551+54.5% | Added |
| Avanza Fonder AB | 39,722 | $8.01M | 0.21% | +3,623+10.0% | Added |
| Martingale Asset Management L P | 39,664 | $7.99M | 0.20% | −42,590−51.8% | Reduced |
| Pacer Advisors, Inc. | 39,595 | $7.98M | 0.02% | −7,477−15.9% | Reduced |
| UniSuper Management Pty Ltd | 39,527 | $7.97M | 0.05% | +6,976+21.4% | Added |
| Illinois Municipal Retirement Fund | 39,257 | $7.91M | 0.10% | +39+0.1% | Added |
| DuPont Capital Management Corp | 39,154 | $7.89M | 0.82% | −9,917−20.2% | Reduced |
| Vestcor Inc | 39,110 | $7.88M | 0.24% | −72−0.2% | Reduced |
| CX Institutional | 39,110 | $7.88M | 0.24% | +3,572+10.1% | Added |
| Builder Investment Group Inc | 39,106 | $7.88M | 1.77% | 00.0% | Unchanged |
| GWM Advisors LLC | 39,013 | $7.86M | 0.04% | +7,316+23.1% | Added |
| Siemens Fonds Invest GmbH | 38,717 | $7.80M | 0.43% | +2,953+8.3% | Added |
| Gluskin Sheff & Assoc Inc | 37,938 | $7.65M | 0.97% | −353−0.9% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 37,696 | $7.60M | 0.10% | 00.0% | Unchanged |
| Ipswich Investment Management Co., Inc. | 37,477 | $7.55M | 1.76% | +5,206+16.1% | Added |
| Huntington National Bank | 37,369 | $7.53M | 0.05% | −1,644−4.2% | Reduced |
| Marks Group Wealth Management, Inc | 37,237 | $7.50M | 0.70% | −742−2.0% | Reduced |
| Numerai GP LLC | 37,220 | $7.50M | 1.06% | +33,729+966.2% | Added |
| Bennett Selby Investments LP | 36,877 | $7.43M | 2.46% | −56−0.2% | Reduced |
| Bedrijfstakpensioenfonds Voor de Media Pno | 43,000 | $7.38M | 0.97% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 35,807 | $7.37M | 0.15% | +1,753+5.1% | Added |
| Bell Asset Management Ltd | 36,561 | $7.37M | 2.01% | −1,234−3.3% | Reduced |
| CWM, LLC | 36,505 | $7.36M | 0.02% | +13,840+61.1% | Added |
| Man Group plc | 36,503 | $7.36M | 0.01% | −71,067−66.1% | Reduced |
| Bleakley Financial Group, LLC | 35,028 | $7.06M | 0.16% | +737+2.1% | Added |
| Los Angeles Capital Management LLC | 34,874 | $7.03M | 0.02% | +1,599+4.8% | Added |
| Lathrop Investment Management Corp | 34,815 | $7.02M | 1.29% | −648−1.8% | Reduced |
| Canada Post Corp Registered Pension Plan | 34,783 | $6.96M | 0.31% | +19,004+120.4% | Added |
| Franklin, Parlapiano, Turner & Welch, LLC | 34,468 | $6.95M | 1.76% | −304−0.9% | Reduced |
| Aurdan Capital Management, LLC | 34,108 | $6.87M | 2.19% | −3,962−10.4% | Reduced |
| Investment Management Corp of Ontario | 33,742 | $6.80M | 0.10% | +11,030+48.6% | Added |
| ExodusPoint Capital Management, LP | 33,685 | $6.79M | 0.10% | −50,317−59.9% | Reduced |