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 |
|---|---|---|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 552,367 | $102.5M | 0.17% | +146,905+36.2% | Added |
| New York State Common Retirement Fund | 571,423 | $106.0M | 0.14% | −15,647−2.7% | Reduced |
| Principal Financial Group Inc | 604,866 | $112.2M | 0.06% | −172,311−22.2% | Reduced |
| Caisse de Depot Et Placement du Quebec | 637,097 | $118.2M | 0.20% | +571,436+870.3% | Added |
| Assetmark, Inc | 645,728 | $119.8M | 0.24% | −42,855−6.2% | Reduced |
| CCLA Investment Management Ltd | 647,823 | $120.2M | 1.93% | −8,811−1.3% | Reduced |
| The PNC Financial Services Group, Inc. | 648,524 | $120.3M | 0.07% | −23,383−3.5% | Reduced |
| Capital International Inc | 682,950 | $126.7M | 1.00% | +15,329+2.3% | Added |
| Mackenzie Financial Corp | 680,074 | $127.2M | 0.15% | −1,422,212−67.7% | Reduced |
| Epoch Investment Partners, Inc. | 717,643 | $133.1M | 0.76% | +36,728+5.4% | Added |
| Millennium Management LLC | 724,648 | $134.4M | 0.10% | +540,513+293.5% | Added |
| Qube Research & Technologies Ltd | 732,481 | $135.9M | 0.19% | −544,876−42.7% | Reduced |
| Acadian Asset Management LLC | 747,581 | $138.7M | 0.23% | +118,101+18.8% | Added |
| California State Teachers Retirement System | 752,274 | $139.6M | 0.14% | −36,595−4.6% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 761,750 | $141.3M | 1.13% | +6,750+0.9% | Added |
| Citadel Advisors LLC | 822,371 | $152.6M | 0.10% | +430,842+110.0% | Added |
| Natixis Advisors, L.P. | 863,503 | $160.2M | 0.23% | +74,059+9.4% | Added |
| Findlay Park Partners LLP | 886,467 | $164.5M | 2.10% | −179,500−16.8% | Reduced |
| Worldquant Millennium Advisors LLC | 892,933 | $165.7M | 0.64% | +550,545+160.8% | Added |
| Sarasin & Partners LLP | 934,732 | $173.4M | 1.80% | +8,283+0.9% | Added |
| TD Asset Management Inc | 949,563 | $176.2M | 0.14% | −32,414−3.3% | Reduced |
| Storebrand Asset Management AS | 955,270 | $177.2M | 0.48% | −24,531−2.5% | Reduced |
| Polar Capital Holdings Plc | 965,000 | $179.0M | 0.82% | +55,000+6.0% | Added |
| Raymond James Financial Inc | 1,016,785 | $188.6M | 0.06% | −25,751−2.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,058,647 | $193.3M | 0.13% | +56,621+5.7% | Added |
| Jensen Investment Management Inc | 1,084,317 | $201.2M | 3.16% | −1,322,328−54.9% | Reduced |
| Swedbank AB | 1,105,862 | $205.2M | 0.20% | +12,848+1.2% | Added |
| Envestnet Asset Management Inc | 1,131,946 | $210.0M | 0.06% | −164,526−12.7% | Reduced |
| National Pension Service | 1,140,767 | $211.6M | 0.16% | +102,933+9.9% | Added |
| HSBC Holdings PLC | 1,139,486 | $211.8M | 0.12% | +54,712+5.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,163,607 | $215.9M | 0.13% | −53,436−4.4% | Reduced |
| Two Sigma Investments, LP | 1,249,912 | $231.9M | 0.35% | +149,771+13.6% | Added |
| FIL Ltd | 1,260,146 | $233.8M | 0.18% | −124,513−9.0% | Reduced |
| California Public Employees Retirement System | 1,264,672 | $234.6M | 0.13% | −250,095−16.5% | Reduced |
| First Trust Advisors LP | 1,270,052 | $235.6M | 0.17% | +112,648+9.7% | Added |
| Bahl & Gaynor Inc | 1,287,401 | $238.8M | 1.21% | −559,114−30.3% | Reduced |
| Nippon Life Insurance Co | 1,311,350 | $243.3M | 4.19% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 1,312,200 | $243.4M | 0.47% | +2,500+0.2% | Added |
| Great West Life Assurance Co | 1,316,931 | $244.6M | 0.43% | −79,814−5.7% | Reduced |
| Rathbone Brothers plc | 1,332,148 | $247.1M | 0.97% | +67,901+5.4% | Added |
| Swiss National Bank | 1,348,300 | $250.1M | 0.15% | −72,000−5.1% | Reduced |
| DekaBank Deutsche Girozentrale | 1,193,291 | $259.7M | 0.49% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,440,549 | $267.3M | 0.17% | +121,291+9.2% | Added |
| Barclays PLC | 1,462,301 | $271.3M | 0.11% | −740,071−33.6% | Reduced |
| AQR Capital Management LLC | 1,478,019 | $274.2M | 0.14% | +445,558+43.2% | Added |
| Ako Capital LLP | 1,484,860 | $275.5M | 4.19% | −314,893−17.5% | Reduced |
| Assenagon Asset Management S.A. | 1,520,164 | $282.0M | 0.42% | +1,504,255+9,455.4% | Added |
| Manufacturers Life Insurance Company, The | 1,526,227 | $283.3M | 0.23% | +790,496+107.4% | Added |
| Franklin Resources Inc | 1,554,402 | $288.4M | 0.07% | +4,433+0.3% | Added |
| Lazard Asset Management LLC | 1,709,219 | $317.1M | 0.54% | −1,053,970−38.1% | Reduced |
| Voloridge Investment Management, LLC | 1,716,766 | $318.5M | 1.12% | +337,330+24.5% | Added |
| Veritas Investment Partners (UK) Ltd. | 1,753,917 | $325.5M | 6.87% | +129,957+8.0% | Added |
| Alliancebernstein L.P. | 1,839,229 | $341.2M | 0.11% | +647,868+54.4% | Added |
| London & Capital Asset Management Ltd | 1,900,000 | $352.7M | 3.66% | +1,686,806+791.2% | Added |
| Longview Partners (Guernsey) LTD | 2,017,195 | $374.2M | 3.91% | −71,800−3.4% | Reduced |
| Dimensional Fund Advisors LP | 2,029,841 | $376.6M | 0.08% | +6,366+0.3% | Added |
| Stifel Financial Corp | 2,158,391 | $400.4M | 0.36% | −136,547−5.9% | Reduced |
| Parnassus Investments | 2,173,621 | $403.3M | 1.05% | −413,083−16.0% | Reduced |
| American Century Companies Inc | 2,330,508 | $432.4M | 0.22% | +1,070,029+84.9% | Added |
| Wells Fargo & Company | 2,444,666 | $453.5M | 0.09% | −223,446−8.4% | Reduced |
| D. E. Shaw & Co., Inc. | 2,596,011 | $481.6M | 0.37% | +19,345+0.8% | Added |
| Arrowstreet Capital, Limited Partnership | 2,757,045 | $511.5M | 0.30% | +1,337,941+94.3% | Added |
| Charles Schwab Investment Management Inc | 2,950,894 | $547.4M | 0.09% | +45,381+1.6% | Added |
| Legal & General Group Plc | 3,146,169 | $583.7M | 0.13% | −50,545−1.6% | Reduced |
| Royal Bank of Canada | 3,167,895 | $587.7M | 0.10% | +911,022+40.4% | Added |
| Bank of New York Mellon Corp | 3,321,700 | $616.2M | 0.11% | +256,631+8.4% | Added |
| Artisan Partners Limited Partnership | 3,357,826 | $622.9M | 0.95% | −79,185−2.3% | Reduced |
| Amundi | 3,364,627 | $624.2M | 0.17% | +1,886,330+127.6% | Added |
| Deutsche Bank AG | 3,368,181 | $624.9M | 0.20% | +79,759+2.4% | Added |
| Invesco Ltd. | 3,460,878 | $642.1M | 0.06% | +167,690+5.1% | Added |
| Ninety One UK Ltd | 3,542,004 | $657.1M | 1.41% | +2,195,201+163.0% | Added |
| UBS Group AG | 3,787,465 | $702.7M | 0.14% | −467,905−11.0% | Reduced |
| Nuveen, LLC | 3,858,156 | $715.8M | 0.19% | +7,975+0.2% | Added |
| Mawer Investment Management Ltd. | 3,905,686 | $724.6M | 4.06% | −666,937−14.6% | Reduced |
| Goldman Sachs Group Inc | 4,015,180 | $744.9M | 0.11% | −1,206,151−23.1% | Reduced |
| JPMorgan Chase & Co | 4,278,658 | $793.8M | 0.05% | −594,324−12.2% | Reduced |
| UBS Asset Management Americas Inc | 4,545,663 | $843.3M | 0.18% | +1,8300.0% | Added |
| Ameriprise Financial Inc | 4,790,808 | $888.5M | 0.20% | −977,180−16.9% | Reduced |
| Clearbridge Investments, LLC | 5,076,693 | $941.8M | 0.75% | +559,582+12.4% | Added |
| Northern Trust Corp | 5,297,560 | $982.8M | 0.13% | −326,347−5.8% | Reduced |
| Bank of America Corp | 5,522,563 | $1.02B | 0.07% | −883,048−13.8% | Reduced |
| Morgan Stanley | 6,870,731 | $1.27B | 0.08% | −182,055−2.6% | Reduced |
| Capital Research Global Investors | 7,987,794 | $1.48B | 0.27% | −1,873,273−19.0% | Reduced |
| Norges Bank | 8,386,530 | $1.56B | 0.17% | +8,386,530 | New |
| Massachusetts Financial Services Co | 8,662,457 | $1.61B | 0.52% | −811,902−8.6% | Reduced |
| Price T Rowe Associates Inc | 9,217,878 | $1.71B | 0.18% | +868,114+10.4% | Added |
| Geode Capital Management, LLC | 11,644,025 | $2.15B | 0.13% | −1,323,883−10.2% | Reduced |
| FMR LLC | 15,225,442 | $2.82B | 0.14% | −1,229,642−7.5% | Reduced |
| Wellington Management Group LLP | 15,997,880 | $2.97B | 0.52% | +906,402+6.0% | Added |
| Capital World Investors | 16,925,131 | $3.14B | 0.43% | −777,767−4.4% | Reduced |
| Capital International Investors | 18,766,815 | $3.48B | 0.55% | +176,118+0.9% | Added |
| State Street Corp | 21,871,937 | $4.06B | 0.14% | +333,923+1.6% | Added |
| BlackRock, Inc. | 40,444,949 | $7.50B | 0.13% | +1,659,315+4.3% | Added |
| Vanguard Group Inc | 46,589,633 | $8.64B | 0.13% | +387,100+0.8% | Added |
| Waverton Investment Management Ltd | 0 | $0 | 0.00% | −1,560,628−100.0% | Sold out |
| Bristol Gate Capital Partners Inc. | 0 | $0 | 0.00% | −346,194−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −165,061−100.0% | Sold out |
| Cumberland Partners Ltd | 0 | $0 | 0.00% | −133,918−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −119,481−100.0% | Sold out |
| Morningstar Investment Management LLC | 0 | $0 | 0.00% | −58,435−100.0% | Sold out |