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 |
|---|---|---|---|---|---|
| Citigroup Inc | 523,616 | $90.8M | 0.06% | +50,728+10.7% | Added |
| Bank of Montreal | 515,363 | $89.4M | 0.04% | −32,730−6.0% | Reduced |
| Johnson Investment Counsel Inc | 490,552 | $85.1M | 0.69% | +4,402+0.9% | Added |
| Bradley Foster & Sargent Inc | 474,702 | $82.3M | 1.28% | −30,256−6.0% | Reduced |
| Lord, Abbett & Co. LLC | 474,245 | $82.3M | 0.27% | −66,540−12.3% | Reduced |
| Munich Reinsurance Co Stock Corp in Munich | 460,618 | $79.9M | 1.96% | +230,120+99.8% | Added |
| Russell Investments Group, Ltd. | 450,043 | $78.2M | 0.08% | +34,342+8.3% | Added |
| Scharf Investments, LLC | 449,343 | $77.9M | 2.40% | +91,579+25.6% | Added |
| Nomura Asset Management International Inc. | 443,823 | $77.0M | 0.13% | +40,285+10.0% | Added |
| Bahl & Gaynor Inc | 435,210 | $75.5M | 0.38% | −852,191−66.2% | Reduced |
| State Board of Administration of Florida Retirement System | 434,870 | $75.4M | 0.14% | −994−0.2% | Reduced |
| Pictet Asset Management Holding SA | 430,325 | $74.6M | 0.08% | +11,364+2.7% | Added |
| Birch Hill Investment Advisors LLC | 427,559 | $74.2M | 3.33% | −11,032−2.5% | Reduced |
| LPL Financial LLC | 420,824 | $73.0M | 0.02% | +15,574+3.8% | Added |
| Sarasin & Partners LLP | 412,712 | $71.6M | 0.87% | −522,020−55.8% | Reduced |
| Standard Life Aberdeen plc | 412,136 | $71.5M | 0.12% | +8,871+2.2% | Added |
| Aviva PLC | 393,705 | $68.3M | 0.11% | −18,629−4.5% | Reduced |
| Bank of Nova Scotia | 392,851 | $68.1M | 0.12% | +110,231+39.0% | Added |
| PFA Pension, Forsikringsaktieselskab | 387,863 | $67.3M | 0.20% | −491−0.1% | Reduced |
| Silvercrest Asset Management Group LLC | 386,753 | $67.1M | 0.48% | −10,691−2.7% | Reduced |
| Thrivent Financial for Lutherans | 381,811 | $66.2M | 0.13% | +178,508+87.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 375,476 | $65.2M | 0.08% | −95,879−20.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 366,269 | $63.5M | 0.16% | +14,296+4.1% | Added |
| Renaissance Technologies LLC | 365,500 | $63.4M | 0.10% | −32,100−8.1% | Reduced |
| Korea Investment CORP | 363,170 | $63.0M | 0.13% | +80,152+28.3% | Added |
| Madison Asset Management, LLC | 355,913 | $61.7M | 0.77% | +65,576+22.6% | Added |
| Adage Capital Partners GP, L.L.C. | 353,661 | $61.3M | 0.09% | +353,661 | New |
| L1 Capital International Pty Ltd | 352,836 | $61.2M | 3.65% | −4,633−1.3% | Reduced |
| New York State Teachers Retirement System | 341,676 | $59.3M | 0.12% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 337,944 | $58.6M | 0.41% | −89,680−21.0% | Reduced |
| SEI Investments Co | 334,007 | $57.9M | 0.05% | +60,221+22.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 331,981 | $57.6M | 0.31% | +118,750+55.7% | Added |
| Capital Fund Management S.A. | 323,016 | $56.0M | 0.50% | +191,128+144.9% | Added |
| Eminence Capital, LP | 320,386 | $55.6M | 1.27% | +320,386 | New |
| Man Group plc | 319,008 | $55.3M | 0.11% | +248,434+352.0% | Added |
| Ninety One North America, Inc. | 310,998 | $53.9M | 2.42% | +43,754+16.4% | Added |
| Nomura Asset Management Co Ltd | 308,977 | $53.6M | 0.14% | +3,003+1.0% | Added |
| Baird Financial Group, Inc. | 307,661 | $53.4M | 0.08% | −5,232−1.7% | Reduced |
| APG Asset Management N.V. | 353,772 | $53.3M | 0.17% | −13,719−3.7% | Reduced |
| Crawford Investment Counsel Inc | 297,669 | $51.6M | 0.88% | −90.0% | Reduced |
| Cincinnati Financial Corp | 278,334 | $48.3M | 0.97% | 00.0% | Unchanged |
| Danske Bank A/S | 277,796 | $48.2M | 0.12% | +1,312+0.5% | Added |
| Cincinnati Insurance Co | 275,766 | $47.8M | 0.72% | 00.0% | Unchanged |
| Truist Financial Corp | 269,560 | $46.8M | 0.06% | −16,700−5.8% | Reduced |
| Banque Pictet & Cie SA | 267,676 | $46.4M | 0.54% | −14,217−5.0% | Reduced |
| State of Wisconsin Investment Board | 262,462 | $45.5M | 0.10% | +7,436+2.9% | Added |
| Ako Capital LLP | 261,527 | $45.4M | 0.89% | −1,223,333−82.4% | Reduced |
| Vaughan David Investments LLC | 261,376 | $45.3M | 0.96% | +8,503+3.4% | Added |
| HighTower Advisors, LLC | 258,243 | $44.8M | 0.05% | −85,647−24.9% | Reduced |
| AMF Pensionsforsakring AB | 257,521 | $44.7M | 0.30% | −16,300−6.0% | Reduced |
| Capital Investment Advisors, LLC | 248,947 | $43.2M | 0.63% | +89,285+55.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 248,408 | $43.1M | 0.07% | −303,959−55.0% | Reduced |
| Quantinno Capital Management LP | 246,855 | $42.8M | 0.07% | +89,792+57.2% | Added |
| Allspring Global Investments Holdings, LLC | 247,577 | $42.6M | 0.07% | +8,134+3.4% | Added |
| Vanguard Investments Australia, Ltd. | 244,305 | $42.4M | 0.12% | +244,305 | New |
| Chevy Chase Trust Holdings, Inc. | 239,152 | $41.5M | 0.12% | −10,083−4.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 238,723 | $41.4M | 0.09% | −212,399−47.1% | Reduced |
| Ycg, LLC | 235,107 | $40.8M | 3.69% | −5,586−2.3% | Reduced |
| Temasek Holdings (Private) Ltd | 229,087 | $39.7M | 0.13% | +53,781+30.7% | Added |
| Fifth Third Bancorp | 223,674 | $38.8M | 0.07% | +88,902+66.0% | Added |
| Asset Management One Co.,Ltd. | 222,632 | $38.6M | 0.11% | −1,808−0.8% | Reduced |
| Jennison Associates LLC | 222,594 | $38.6M | 0.03% | −6,481−2.8% | Reduced |
| CI Private Wealth, LLC | 222,682 | $38.5M | 0.06% | −8,923−3.9% | Reduced |
| KLP Kapitalforvaltning AS | 220,974 | $38.3M | 0.15% | +13,600+6.6% | Added |
| Royal London Asset Management Ltd | 220,490 | $38.2M | 0.08% | +530.0% | Added |
| Panagora Asset Management Inc | 220,161 | $38.2M | 0.14% | +191,531+669.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 219,155 | $37.7M | 0.05% | +108,139+97.4% | Added |
| Colony Group, LLC | 214,552 | $37.2M | 0.04% | +74,361+53.0% | Added |
| Cerity Partners LLC | 213,048 | $37.0M | 0.05% | +33,144+18.4% | Added |
| Eurizon Capital SGR S.p.A. | 212,550 | $36.9M | 0.12% | −18,751−8.1% | Reduced |
| Sterling Capital Management LLC | 212,469 | $36.9M | 0.70% | −65,161−23.5% | Reduced |
| Treasurer of the State of North Carolina | 207,984 | $36.1M | 0.11% | +1,193+0.6% | Added |
| Toronto Dominion Bank | 206,716 | $35.9M | 0.07% | −42,320−17.0% | Reduced |
| Gillespie Robinson & Grimm Inc | 206,191 | $35.8M | 2.60% | −1,563−0.8% | Reduced |
| Gotham Asset Management, LLC | 204,799 | $35.5M | 0.11% | −36,856−15.3% | Reduced |
| Credit Agricole S A | 203,962 | $35.4M | 0.12% | +94,883+87.0% | Added |
| Holocene Advisors, LP | 203,290 | $35.3M | 0.09% | −1,568−0.8% | Reduced |
| Pictet & Cie (Europe) SA | 202,308 | $35.1M | 0.75% | −25,469−11.2% | Reduced |
| Handelsbanken Fonder AB | 200,829 | $34.8M | 0.12% | +5,173+2.6% | Added |
| Pathstone Holdings, LLC | 200,345 | $34.7M | 0.14% | −1,715−0.8% | Reduced |
| Zacks Investment Management | 199,777 | $34.7M | 0.28% | +5,022+2.6% | Added |
| Public Employees Retirement System of Ohio | 199,403 | $34.6M | 0.11% | −3,182−1.6% | Reduced |
| Teacher Retirement System of Texas | 197,967 | $34.3M | 0.14% | −579−0.3% | Reduced |
| Boston Trust Walden Corp | 197,300 | $34.2M | 0.28% | −7,355−3.6% | Reduced |
| Ieq Capital, LLC | 194,321 | $33.7M | 0.16% | +114,713+144.1% | Added |
| Victory Capital Management Inc | 194,080 | $33.7M | 0.02% | −30,654−13.6% | Reduced |
| Mn Services Vermogensbeheer B.V. | 190,777 | $33.1M | 0.22% | −1,500−0.8% | Reduced |
| Whittier Trust Co | 186,166 | $32.5M | 0.37% | +7,695+4.3% | Added |
| Abn Amro Investment Solutions | 186,408 | $32.3M | 0.42% | +1,999+1.1% | Added |
| Janney Montgomery Scott LLC | 185,581 | $32.2M | 0.08% | +13,876+8.1% | Added |
| Ensign Peak Advisors, Inc | 184,407 | $32.0M | 0.06% | −3,683−2.0% | Reduced |
| CIBC Asset Management Inc | 179,578 | $31.1M | 0.08% | +2,056+1.2% | Added |
| Waycross Partners, LLC | 172,323 | $29.9M | 2.86% | +5,325+3.2% | Added |
| Creative Planning | 170,951 | $29.7M | 0.02% | +50,404+41.8% | Added |
| Compagnie Lombard Odier SCmA | 170,487 | $29.6M | 0.36% | −22,394−11.6% | Reduced |
| Deprince Race & Zollo Inc | 170,276 | $29.5M | 0.56% | +55,778+48.7% | Added |
| State of New Jersey Common Pension Fund D | 168,714 | $29.3M | 0.11% | −1,136−0.7% | Reduced |
| Toroso Investments, LLC | 166,571 | $28.9M | 0.09% | +50,661+43.7% | Added |
| Resona Asset Management Co.,Ltd. | 165,885 | $28.8M | 0.14% | +3,419+2.1% | Added |
| Nisa Investment Advisors, LLC | 164,880 | $28.6M | 0.11% | +7,317+4.6% | Added |