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 |
|---|---|---|---|---|---|
| First Pacific Advisors, LP | 108,697 | $18.9M | 0.26% | +108,697 | New |
| Alps Advisors Inc | 110,795 | $19.2M | 0.09% | +110,795 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 112,773 | $19.6M | 0.10% | −1,183−1.0% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 114,009 | $19.8M | 0.39% | −12,902−10.2% | Reduced |
| MetLife Investment Management | 115,746 | $20.1M | 0.10% | −4,576−3.8% | Reduced |
| Rafferty Asset Management, LLC | 117,695 | $20.4M | 0.08% | −31,761−21.3% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 118,003 | $20.5M | 0.16% | −63,597−35.0% | Reduced |
| Capital Group Private Client Services, Inc. | 118,256 | $20.5M | 0.35% | −59,965−33.6% | Reduced |
| Van Eck Associates Corp | 118,936 | $20.6M | 0.02% | +12,525+11.8% | Added |
| Worldquant Millennium Advisors LLC | 119,171 | $20.7M | 0.08% | −773,762−86.7% | Reduced |
| TD Waterhouse Canada Inc. | 121,540 | $20.9M | 0.06% | +59,595+96.2% | Added |
| Choate Investment Advisors | 121,874 | $21.1M | 0.41% | +84+0.1% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 122,067 | $21.2M | 0.17% | +30,036+32.6% | Added |
| Banco Santander, S.A. | 123,015 | $21.3M | 0.17% | −16,633−11.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 123,602 | $21.4M | 0.17% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 126,349 | $21.9M | 0.12% | +3,545+2.9% | Added |
| Neuberger Berman Group LLC | 126,591 | $22.0M | 0.02% | +50,421+66.2% | Added |
| Varma Mutual Pension Insurance Co | 127,104 | $22.0M | 0.13% | 00.0% | Unchanged |
| DnB Asset Management AS | 128,762 | $22.3M | 0.08% | +9,674+8.1% | Added |
| Stock Yards Bank & Trust Co | 129,126 | $22.4M | 0.70% | −4,053−3.0% | Reduced |
| State of Michigan Retirement System | 130,775 | $22.7M | 0.12% | −1,800−1.4% | Reduced |
| ASR Vermogensbeheer N.V. | 130,948 | $22.7M | 0.27% | +4,628+3.7% | Added |
| Czech National Bank | 131,849 | $22.9M | 0.15% | +2,667+2.1% | Added |
| CIBC Bancorp USA Inc. | 132,066 | $22.9M | 0.03% | +132,066 | New |
| Glenmede Trust Co NA | 132,840 | $23.0M | 0.11% | −11,642−8.1% | Reduced |
| Calamos Advisors LLC | 134,122 | $23.3M | 0.09% | +2,450+1.9% | Added |
| Arizona State Retirement System | 134,242 | $23.3M | 0.14% | −4,610−3.3% | Reduced |
| CWM, LLC | 134,815 | $23.4M | 0.06% | +70,452+109.5% | Added |
| Hardman Johnston Global Advisors LLC | 135,391 | $23.5M | 1.12% | −8,579−6.0% | Reduced |
| US Bancorp | 136,261 | $23.6M | 0.03% | −6,595−4.6% | Reduced |
| Citadel Advisors LLC | 136,487 | $23.7M | 0.02% | −685,884−83.4% | Reduced |
| Distillate Capital Partners LLC | 137,460 | $23.8M | 1.26% | +35,114+34.3% | Added |
| Public Sector Pension Investment Board | 137,679 | $23.9M | 0.07% | +12,875+10.3% | Added |
| Schroder Investment Management Group | 140,426 | $24.5M | 0.02% | −141,968−50.3% | Reduced |
| Tredje AP-fonden | 142,023 | $24.6M | 0.13% | +142,023 | New |
| Cetera Investment Advisers | 144,505 | $25.1M | 0.03% | +3,661+2.6% | Added |
| Voya Investment Management LLC | 146,400 | $25.4M | 0.03% | −2,409−1.6% | Reduced |
| Swiss Life Asset Management Ltd | 148,112 | $25.7M | 0.13% | +13,570+10.1% | Added |
| State of Tennessee, Treasury Department | 150,454 | $26.1M | 0.09% | 00.0% | Unchanged |
| Horizon Kinetics Asset Management LLC | 151,341 | $26.3M | 0.28% | −5,344−3.4% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 153,019 | $26.5M | 0.08% | −8,501−5.3% | Reduced |
| Assenagon Asset Management S.A. | 157,257 | $27.3M | 0.04% | −1,362,907−89.7% | Reduced |
| STRS Ohio | 157,270 | $27.3M | 0.11% | +154,059+4,797.9% | Added |
| Janus Henderson Group PLC | 157,363 | $27.3M | 0.01% | −225,633−58.9% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 157,833 | $27.4M | 0.14% | −983−0.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 159,453 | $27.7M | 0.10% | +12,593+8.6% | Added |
| LGT Capital Partners Ltd. | 161,143 | $28.0M | 1.48% | −12,088−7.0% | Reduced |
| Nordea Investment Management AB | 164,453 | $28.6M | 0.03% | −343,275−67.6% | Reduced |
| Nisa Investment Advisors, LLC | 164,880 | $28.6M | 0.11% | +7,317+4.6% | Added |
| Resona Asset Management Co.,Ltd. | 165,885 | $28.8M | 0.14% | +3,419+2.1% | Added |
| Toroso Investments, LLC | 166,571 | $28.9M | 0.09% | +50,661+43.7% | Added |
| State of New Jersey Common Pension Fund D | 168,714 | $29.3M | 0.11% | −1,136−0.7% | Reduced |
| Deprince Race & Zollo Inc | 170,276 | $29.5M | 0.56% | +55,778+48.7% | Added |
| Compagnie Lombard Odier SCmA | 170,487 | $29.6M | 0.36% | −22,394−11.6% | Reduced |
| Creative Planning | 170,951 | $29.7M | 0.02% | +50,404+41.8% | Added |
| Waycross Partners, LLC | 172,323 | $29.9M | 2.86% | +5,325+3.2% | Added |
| CIBC Asset Management Inc | 179,578 | $31.1M | 0.08% | +2,056+1.2% | Added |
| Ensign Peak Advisors, Inc | 184,407 | $32.0M | 0.06% | −3,683−2.0% | Reduced |
| Janney Montgomery Scott LLC | 185,581 | $32.2M | 0.08% | +13,876+8.1% | Added |
| Abn Amro Investment Solutions | 186,408 | $32.3M | 0.42% | +1,999+1.1% | Added |
| Whittier Trust Co | 186,166 | $32.5M | 0.37% | +7,695+4.3% | Added |
| Mn Services Vermogensbeheer B.V. | 190,777 | $33.1M | 0.22% | −1,500−0.8% | Reduced |
| Victory Capital Management Inc | 194,080 | $33.7M | 0.02% | −30,654−13.6% | Reduced |
| Ieq Capital, LLC | 194,321 | $33.7M | 0.16% | +114,713+144.1% | Added |
| Boston Trust Walden Corp | 197,300 | $34.2M | 0.28% | −7,355−3.6% | Reduced |
| Teacher Retirement System of Texas | 197,967 | $34.3M | 0.14% | −579−0.3% | Reduced |
| Public Employees Retirement System of Ohio | 199,403 | $34.6M | 0.11% | −3,182−1.6% | Reduced |
| Zacks Investment Management | 199,777 | $34.7M | 0.28% | +5,022+2.6% | Added |
| Pathstone Holdings, LLC | 200,345 | $34.7M | 0.14% | −1,715−0.8% | Reduced |
| Handelsbanken Fonder AB | 200,829 | $34.8M | 0.12% | +5,173+2.6% | Added |
| Pictet & Cie (Europe) SA | 202,308 | $35.1M | 0.75% | −25,469−11.2% | Reduced |
| Holocene Advisors, LP | 203,290 | $35.3M | 0.09% | −1,568−0.8% | Reduced |
| Credit Agricole S A | 203,962 | $35.4M | 0.12% | +94,883+87.0% | Added |
| Gotham Asset Management, LLC | 204,799 | $35.5M | 0.11% | −36,856−15.3% | Reduced |
| Gillespie Robinson & Grimm Inc | 206,191 | $35.8M | 2.60% | −1,563−0.8% | Reduced |
| Toronto Dominion Bank | 206,716 | $35.9M | 0.07% | −42,320−17.0% | Reduced |
| Treasurer of the State of North Carolina | 207,984 | $36.1M | 0.11% | +1,193+0.6% | Added |
| Sterling Capital Management LLC | 212,469 | $36.9M | 0.70% | −65,161−23.5% | Reduced |
| Eurizon Capital SGR S.p.A. | 212,550 | $36.9M | 0.12% | −18,751−8.1% | Reduced |
| Cerity Partners LLC | 213,048 | $37.0M | 0.05% | +33,144+18.4% | Added |
| Colony Group, LLC | 214,552 | $37.2M | 0.04% | +74,361+53.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 219,155 | $37.7M | 0.05% | +108,139+97.4% | Added |
| Panagora Asset Management Inc | 220,161 | $38.2M | 0.14% | +191,531+669.0% | Added |
| Royal London Asset Management Ltd | 220,490 | $38.2M | 0.08% | +530.0% | Added |
| KLP Kapitalforvaltning AS | 220,974 | $38.3M | 0.15% | +13,600+6.6% | Added |
| CI Private Wealth, LLC | 222,682 | $38.5M | 0.06% | −8,923−3.9% | Reduced |
| Jennison Associates LLC | 222,594 | $38.6M | 0.03% | −6,481−2.8% | Reduced |
| Asset Management One Co.,Ltd. | 222,632 | $38.6M | 0.11% | −1,808−0.8% | Reduced |
| Fifth Third Bancorp | 223,674 | $38.8M | 0.07% | +88,902+66.0% | Added |
| Temasek Holdings (Private) Ltd | 229,087 | $39.7M | 0.13% | +53,781+30.7% | Added |
| Ycg, LLC | 235,107 | $40.8M | 3.69% | −5,586−2.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 238,723 | $41.4M | 0.09% | −212,399−47.1% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 239,152 | $41.5M | 0.12% | −10,083−4.0% | Reduced |
| Vanguard Investments Australia, Ltd. | 244,305 | $42.4M | 0.12% | +244,305 | New |
| Allspring Global Investments Holdings, LLC | 247,577 | $42.6M | 0.07% | +8,134+3.4% | Added |
| Quantinno Capital Management LP | 246,855 | $42.8M | 0.07% | +89,792+57.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 248,408 | $43.1M | 0.07% | −303,959−55.0% | Reduced |
| Capital Investment Advisors, LLC | 248,947 | $43.2M | 0.63% | +89,285+55.9% | Added |
| AMF Pensionsforsakring AB | 257,521 | $44.7M | 0.30% | −16,300−6.0% | Reduced |
| HighTower Advisors, LLC | 258,243 | $44.8M | 0.05% | −85,647−24.9% | Reduced |