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 |
|---|---|---|---|---|---|
| Mn Services Vermogensbeheer B.V. | 186,388 | $37.6M | 0.24% | +2,200+1.2% | Added |
| Abn Amro Investment Solutions | 187,127 | $37.7M | 0.77% | −5,353−2.8% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 188,761 | $38.0M | 0.34% | +5,543+3.0% | Added |
| Handelsbanken Fonder AB | 188,939 | $38.1M | 0.12% | +9,509+5.3% | Added |
| Wealth Enhancement Advisory Services, LLC | 191,398 | $39.0M | 0.06% | +50,369+35.7% | Added |
| Victory Capital Management Inc | 195,491 | $39.4M | 0.02% | −5,391−2.7% | Reduced |
| Pathstone Holdings, LLC | 204,088 | $41.1M | 0.16% | −2,404−1.2% | Reduced |
| Gillespie Robinson & Grimm Inc | 205,459 | $41.4M | 2.91% | +4,158+2.1% | Added |
| Zacks Investment Management | 205,584 | $41.4M | 0.33% | +10,628+5.5% | Added |
| Thrivent Financial for Lutherans | 205,622 | $41.4M | 0.08% | +14,434+7.5% | Added |
| KLP Kapitalforvaltning AS | 208,674 | $42.1M | 0.17% | +1,100+0.5% | Added |
| London & Capital Asset Management Ltd | 213,194 | $43.0M | 3.07% | +65,125+44.0% | Added |
| Voya Investment Management LLC | 214,568 | $43.2M | 0.04% | −74,363−25.7% | Reduced |
| Treasurer of the State of North Carolina | 221,909 | $44.7M | 0.14% | −8,638−3.7% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 222,031 | $44.7M | 0.39% | +3,900+1.8% | Added |
| Royal London Asset Management Ltd | 222,299 | $44.8M | 0.10% | −5,102−2.2% | Reduced |
| Ycg, LLC | 228,014 | $46.0M | 3.45% | +12,437+5.8% | Added |
| Asset Management One Co.,Ltd. | 230,471 | $46.4M | 0.13% | +7,234+3.2% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 242,889 | $48.9M | 0.12% | +17,851+7.9% | Added |
| Allspring Global Investments Holdings, LLC | 244,686 | $49.3M | 0.08% | +66,783+37.5% | Added |
| Chevy Chase Trust Holdings, Inc. | 251,599 | $50.7M | 0.14% | −9,555−3.7% | Reduced |
| Allianz Asset Management GmbH | 252,868 | $51.0M | 0.06% | −4,429−1.7% | Reduced |
| Vaughan David Investments LLC | 253,963 | $51.2M | 1.10% | +5,202+2.1% | Added |
| Toronto Dominion Bank | 255,362 | $51.5M | 0.10% | −5,809−2.2% | Reduced |
| National Bank of Canada | 258,537 | $52.1M | 0.06% | −34,592−11.8% | Reduced |
| Danske Bank A/S | 258,814 | $52.2M | 0.13% | −116,070−31.0% | Reduced |
| Calamos Advisors LLC | 267,756 | $54.0M | 0.22% | −8,666−3.1% | Reduced |
| State of Wisconsin Investment Board | 268,351 | $54.1M | 0.12% | −4,311−1.6% | Reduced |
| AMF Pensionsforsakring AB | 273,821 | $55.2M | 0.35% | −12,698−4.4% | Reduced |
| Cincinnati Insurance Co | 275,766 | $55.6M | 0.86% | +275,766 | New |
| Cincinnati Financial Corp | 278,334 | $56.1M | 1.11% | +278,334 | New |
| Pictet & Cie (Europe) SA | 278,615 | $56.1M | 1.12% | +58,414+26.5% | Added |
| Nomura Asset Management Co Ltd | 285,476 | $57.5M | 0.15% | −6,405−2.2% | Reduced |
| SEI Investments Co | 288,181 | $58.1M | 0.06% | +18,726+6.9% | Added |
| Jane Street Group, LLC | 292,857 | $59.0M | 0.07% | +85,632+41.3% | Added |
| Crawford Investment Counsel Inc | 294,316 | $59.3M | 0.98% | +7,449+2.6% | Added |
| Raiffeisen Bank International AG | 301,514 | $60.4M | 0.80% | −1120.0% | Reduced |
| Banque Pictet & Cie SA | 301,059 | $60.7M | 0.61% | +73,091+32.1% | Added |
| Cerity Partners LLC | 305,782 | $61.6M | 0.10% | −12,112−3.8% | Reduced |
| Schroder Investment Management Group | 311,523 | $62.4M | 0.05% | −33,718−9.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 313,321 | $62.9M | 0.16% | −301,340−49.0% | Reduced |
| Madison Asset Management, LLC | 319,737 | $64.4M | 0.71% | +7,358+2.4% | Added |
| Baird Financial Group, Inc. | 323,069 | $65.1M | 0.10% | −903−0.3% | Reduced |
| Russell Investments Group, Ltd. | 324,238 | $65.3M | 0.07% | −13,357−4.0% | Reduced |
| Public Employees Retirement System of Ohio | 325,110 | $65.5M | 0.21% | −7,849−2.4% | Reduced |
| Korea Investment CORP | 327,006 | $65.9M | 0.14% | −8,516−2.5% | Reduced |
| Silvercrest Asset Management Group LLC | 328,895 | $66.3M | 0.44% | −12,593−3.7% | Reduced |
| HighTower Advisors, LLC | 336,849 | $67.9M | 0.08% | +8,079+2.5% | Added |
| Truist Financial Corp | 338,416 | $68.2M | 0.09% | −22,730−6.3% | Reduced |
| APG Asset Management N.V. | 399,436 | $68.5M | 0.19% | −2,200−0.5% | Reduced |
| New York State Teachers Retirement System | 341,749 | $68.9M | 0.13% | −1540.0% | Reduced |
| Worldquant Millennium Advisors LLC | 342,388 | $69.0M | 0.30% | −411,270−54.6% | Reduced |
| Bristol Gate Capital Partners Inc. | 346,194 | $69.8M | 4.12% | −11,475−3.2% | Reduced |
| Natixis | 346,335 | $69.8M | 0.37% | +285,127+465.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 349,901 | $70.5M | 0.15% | −17,842−4.9% | Reduced |
| Cryder Capital Partners LLP | 360,629 | $72.7M | 4.01% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 370,459 | $74.7M | 0.12% | −32,666−8.1% | Reduced |
| Sterling Capital Management LLC | 375,433 | $75.7M | 1.11% | −31,126−7.7% | Reduced |
| Squarepoint Ops LLC | 385,231 | $77.6M | 0.17% | −64,621−14.4% | Reduced |
| LPL Financial LLC | 387,955 | $78.2M | 0.02% | +50,702+15.0% | Added |
| Citadel Advisors LLC | 391,529 | $78.9M | 0.06% | +250,706+178.0% | Added |
| Canada Pension Plan Investment Board | 393,830 | $79.4M | 0.06% | +367,101+1,373.4% | Added |
| Credit Agricole S A | 399,553 | $80.5M | 0.27% | +399,553 | New |
| Quilter Plc | 405,379 | $81.7M | 1.40% | +29,166+7.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 405,462 | $81.7M | 0.15% | −141,193−25.8% | Reduced |
| Standard Life Aberdeen plc | 410,219 | $82.4M | 0.13% | −1540.0% | Reduced |
| Mariner, LLC | 425,494 | $85.7M | 0.11% | −32,068−7.0% | Reduced |
| Impax Asset Management Group plc | 430,210 | $86.7M | 0.51% | −52,198−10.8% | Reduced |
| Birch Hill Investment Advisors LLC | 439,022 | $88.5M | 3.74% | +12,399+2.9% | Added |
| State Board of Administration of Florida Retirement System | 446,458 | $90.0M | 0.16% | −30,057−6.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 452,482 | $91.2M | 0.21% | −67,864−13.0% | Reduced |
| Johnson Investment Counsel Inc | 456,734 | $92.0M | 0.77% | +4,307+1.0% | Added |
| Bank of Nova Scotia | 486,511 | $98.0M | 0.17% | +317,877+188.5% | Added |
| Citigroup Inc | 496,880 | $100.1M | 0.07% | +9,088+1.9% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 500,813 | $100.9M | 0.17% | −6,097−1.2% | Reduced |
| Bradley Foster & Sargent Inc | 539,325 | $108.7M | 1.60% | +2,291+0.4% | Added |
| Pictet Asset Management Holding SA | 558,002 | $112.5M | 0.11% | +27,701+5.2% | Added |
| Bank of Montreal | 567,330 | $114.3M | 0.05% | +310+0.1% | Added |
| Prudential Financial Inc | 567,777 | $114.4M | 0.14% | +10,291+1.8% | Added |
| Nordea Investment Management AB | 572,964 | $114.9M | 0.10% | −85,176−12.9% | Reduced |
| New York State Common Retirement Fund | 587,070 | $118.3M | 0.15% | −39,159−6.3% | Reduced |
| Macquarie Group Ltd | 592,509 | $119.4M | 0.14% | +424,092+251.8% | Added |
| Jennison Associates LLC | 600,013 | $120.9M | 0.07% | −451,042−42.9% | Reduced |
| Lord, Abbett & Co. LLC | 600,223 | $121.0M | 0.36% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 629,480 | $126.8M | 0.22% | −12,611−2.0% | Reduced |
| CCLA Investment Management Ltd | 656,634 | $132.3M | 2.12% | +15,125+2.4% | Added |
| Capital International Inc | 667,621 | $134.5M | 1.08% | +114,547+20.7% | Added |
| The PNC Financial Services Group, Inc. | 671,907 | $135.4M | 0.08% | +73,526+12.3% | Added |
| Epoch Investment Partners, Inc. | 680,915 | $137.2M | 0.75% | +49,768+7.9% | Added |
| Assetmark, Inc | 688,583 | $138.8M | 0.30% | +4,071+0.6% | Added |
| Manufacturers Life Insurance Company, The | 735,731 | $148.3M | 0.12% | −605,628−45.2% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 755,000 | $152.2M | 1.23% | +6,250+0.8% | Added |
| Principal Financial Group Inc | 777,177 | $156.6M | 0.08% | −34,452−4.2% | Reduced |
| California State Teachers Retirement System | 788,869 | $159.0M | 0.16% | −1,467−0.2% | Reduced |
| Natixis Advisors, L.P. | 789,444 | $159.1M | 0.23% | −20,560−2.5% | Reduced |
| Polar Capital Holdings Plc | 910,000 | $183.4M | 0.88% | 00.0% | Unchanged |
| Sarasin & Partners LLP | 926,449 | $185.5M | 1.82% | +367,121+65.6% | Added |
| Aviva PLC | 927,765 | $187.0M | 0.34% | −152,419−14.1% | Reduced |
| Rhumbline Advisers | 932,537 | $187.9M | 0.15% | −15,508−1.6% | Reduced |
| Storebrand Asset Management AS | 979,801 | $197.5M | 0.52% | +114,436+13.2% | Added |