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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 46,589,633 | $8.64B | 0.13% | +387,100+0.8% | Added |
| BlackRock, Inc. | 40,444,949 | $7.50B | 0.13% | +1,659,315+4.3% | Added |
| State Street Corp | 21,871,937 | $4.06B | 0.14% | +333,923+1.6% | Added |
| Capital International Investors | 18,766,815 | $3.48B | 0.55% | +176,118+0.9% | Added |
| Capital World Investors | 16,925,131 | $3.14B | 0.43% | −777,767−4.4% | Reduced |
| Wellington Management Group LLP | 15,997,880 | $2.97B | 0.52% | +906,402+6.0% | Added |
| FMR LLC | 15,225,442 | $2.82B | 0.14% | −1,229,642−7.5% | Reduced |
| Geode Capital Management, LLC | 11,644,025 | $2.15B | 0.13% | −1,323,883−10.2% | Reduced |
| Price T Rowe Associates Inc | 9,217,878 | $1.71B | 0.18% | +868,114+10.4% | Added |
| Massachusetts Financial Services Co | 8,662,457 | $1.61B | 0.52% | −811,902−8.6% | Reduced |
| Norges Bank | 8,386,530 | $1.56B | 0.17% | +8,386,530 | New |
| Capital Research Global Investors | 7,987,794 | $1.48B | 0.27% | −1,873,273−19.0% | Reduced |
| Morgan Stanley | 6,870,731 | $1.27B | 0.08% | −182,055−2.6% | Reduced |
| Bank of America Corp | 5,522,563 | $1.02B | 0.07% | −883,048−13.8% | Reduced |
| Northern Trust Corp | 5,297,560 | $982.8M | 0.13% | −326,347−5.8% | Reduced |
| Clearbridge Investments, LLC | 5,076,693 | $941.8M | 0.75% | +559,582+12.4% | Added |
| Ameriprise Financial Inc | 4,790,808 | $888.5M | 0.20% | −977,180−16.9% | Reduced |
| UBS Asset Management Americas Inc | 4,545,663 | $843.3M | 0.18% | +1,8300.0% | Added |
| JPMorgan Chase & Co | 4,278,658 | $793.8M | 0.05% | −594,324−12.2% | Reduced |
| Goldman Sachs Group Inc | 4,015,180 | $744.9M | 0.11% | −1,206,151−23.1% | Reduced |
| Mawer Investment Management Ltd. | 3,905,686 | $724.6M | 4.06% | −666,937−14.6% | Reduced |
| Nuveen, LLC | 3,858,156 | $715.8M | 0.19% | +7,975+0.2% | Added |
| UBS Group AG | 3,787,465 | $702.7M | 0.14% | −467,905−11.0% | Reduced |
| Ninety One UK Ltd | 3,542,004 | $657.1M | 1.41% | +2,195,201+163.0% | Added |
| Invesco Ltd. | 3,460,878 | $642.1M | 0.06% | +167,690+5.1% | Added |
| Deutsche Bank AG | 3,368,181 | $624.9M | 0.20% | +79,759+2.4% | Added |
| Amundi | 3,364,627 | $624.2M | 0.17% | +1,886,330+127.6% | Added |
| Artisan Partners Limited Partnership | 3,357,826 | $622.9M | 0.95% | −79,185−2.3% | Reduced |
| Bank of New York Mellon Corp | 3,321,700 | $616.2M | 0.11% | +256,631+8.4% | Added |
| Royal Bank of Canada | 3,167,895 | $587.7M | 0.10% | +911,022+40.4% | Added |
| Legal & General Group Plc | 3,146,169 | $583.7M | 0.13% | −50,545−1.6% | Reduced |
| Charles Schwab Investment Management Inc | 2,950,894 | $547.4M | 0.09% | +45,381+1.6% | Added |
| Arrowstreet Capital, Limited Partnership | 2,757,045 | $511.5M | 0.30% | +1,337,941+94.3% | Added |
| D. E. Shaw & Co., Inc. | 2,596,011 | $481.6M | 0.37% | +19,345+0.8% | Added |
| Wells Fargo & Company | 2,444,666 | $453.5M | 0.09% | −223,446−8.4% | Reduced |
| American Century Companies Inc | 2,330,508 | $432.4M | 0.22% | +1,070,029+84.9% | Added |
| Parnassus Investments | 2,173,621 | $403.3M | 1.05% | −413,083−16.0% | Reduced |
| Stifel Financial Corp | 2,158,391 | $400.4M | 0.36% | −136,547−5.9% | Reduced |
| Dimensional Fund Advisors LP | 2,029,841 | $376.6M | 0.08% | +6,366+0.3% | Added |
| Longview Partners (Guernsey) LTD | 2,017,195 | $374.2M | 3.91% | −71,800−3.4% | Reduced |
| London & Capital Asset Management Ltd | 1,900,000 | $352.7M | 3.66% | +1,686,806+791.2% | Added |
| Alliancebernstein L.P. | 1,839,229 | $341.2M | 0.11% | +647,868+54.4% | Added |
| Veritas Investment Partners (UK) Ltd. | 1,753,917 | $325.5M | 6.87% | +129,957+8.0% | Added |
| Voloridge Investment Management, LLC | 1,716,766 | $318.5M | 1.12% | +337,330+24.5% | Added |
| Lazard Asset Management LLC | 1,709,219 | $317.1M | 0.54% | −1,053,970−38.1% | Reduced |
| Franklin Resources Inc | 1,554,402 | $288.4M | 0.07% | +4,433+0.3% | Added |
| Manufacturers Life Insurance Company, The | 1,526,227 | $283.3M | 0.23% | +790,496+107.4% | Added |
| Assenagon Asset Management S.A. | 1,520,164 | $282.0M | 0.42% | +1,504,255+9,455.4% | Added |
| Ako Capital LLP | 1,484,860 | $275.5M | 4.19% | −314,893−17.5% | Reduced |
| AQR Capital Management LLC | 1,478,019 | $274.2M | 0.14% | +445,558+43.2% | Added |
| Barclays PLC | 1,462,301 | $271.3M | 0.11% | −740,071−33.6% | Reduced |
| BNP Paribas Arbitrage, SA | 1,440,549 | $267.3M | 0.17% | +121,291+9.2% | Added |
| DekaBank Deutsche Girozentrale | 1,193,291 | $259.7M | 0.49% | 00.0% | Unchanged |
| Swiss National Bank | 1,348,300 | $250.1M | 0.15% | −72,000−5.1% | Reduced |
| Rathbone Brothers plc | 1,332,148 | $247.1M | 0.97% | +67,901+5.4% | Added |
| Great West Life Assurance Co | 1,316,931 | $244.6M | 0.43% | −79,814−5.7% | Reduced |
| Two Sigma Advisers, LP | 1,312,200 | $243.4M | 0.47% | +2,500+0.2% | Added |
| Nippon Life Insurance Co | 1,311,350 | $243.3M | 4.19% | 00.0% | Unchanged |
| Bahl & Gaynor Inc | 1,287,401 | $238.8M | 1.21% | −559,114−30.3% | Reduced |
| First Trust Advisors LP | 1,270,052 | $235.6M | 0.17% | +112,648+9.7% | Added |
| California Public Employees Retirement System | 1,264,672 | $234.6M | 0.13% | −250,095−16.5% | Reduced |
| FIL Ltd | 1,260,146 | $233.8M | 0.18% | −124,513−9.0% | Reduced |
| Two Sigma Investments, LP | 1,249,912 | $231.9M | 0.35% | +149,771+13.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,163,607 | $215.9M | 0.13% | −53,436−4.4% | Reduced |
| HSBC Holdings PLC | 1,139,486 | $211.8M | 0.12% | +54,712+5.0% | Added |
| National Pension Service | 1,140,767 | $211.6M | 0.16% | +102,933+9.9% | Added |
| Envestnet Asset Management Inc | 1,131,946 | $210.0M | 0.06% | −164,526−12.7% | Reduced |
| Swedbank AB | 1,105,862 | $205.2M | 0.20% | +12,848+1.2% | Added |
| Jensen Investment Management Inc | 1,084,317 | $201.2M | 3.16% | −1,322,328−54.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,058,647 | $193.3M | 0.13% | +56,621+5.7% | Added |
| Raymond James Financial Inc | 1,016,785 | $188.6M | 0.06% | −25,751−2.5% | Reduced |
| Polar Capital Holdings Plc | 965,000 | $179.0M | 0.82% | +55,000+6.0% | Added |
| Storebrand Asset Management AS | 955,270 | $177.2M | 0.48% | −24,531−2.5% | Reduced |
| TD Asset Management Inc | 949,563 | $176.2M | 0.14% | −32,414−3.3% | Reduced |
| Sarasin & Partners LLP | 934,732 | $173.4M | 1.80% | +8,283+0.9% | Added |
| Worldquant Millennium Advisors LLC | 892,933 | $165.7M | 0.64% | +550,545+160.8% | Added |
| Findlay Park Partners LLP | 886,467 | $164.5M | 2.10% | −179,500−16.8% | Reduced |
| Natixis Advisors, L.P. | 863,503 | $160.2M | 0.23% | +74,059+9.4% | Added |
| Citadel Advisors LLC | 822,371 | $152.6M | 0.10% | +430,842+110.0% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 761,750 | $141.3M | 1.13% | +6,750+0.9% | Added |
| California State Teachers Retirement System | 752,274 | $139.6M | 0.14% | −36,595−4.6% | Reduced |
| Acadian Asset Management LLC | 747,581 | $138.7M | 0.23% | +118,101+18.8% | Added |
| Qube Research & Technologies Ltd | 732,481 | $135.9M | 0.19% | −544,876−42.7% | Reduced |
| Millennium Management LLC | 724,648 | $134.4M | 0.10% | +540,513+293.5% | Added |
| Epoch Investment Partners, Inc. | 717,643 | $133.1M | 0.76% | +36,728+5.4% | Added |
| Mackenzie Financial Corp | 680,074 | $127.2M | 0.15% | −1,422,212−67.7% | Reduced |
| Capital International Inc | 682,950 | $126.7M | 1.00% | +15,329+2.3% | Added |
| The PNC Financial Services Group, Inc. | 648,524 | $120.3M | 0.07% | −23,383−3.5% | Reduced |
| CCLA Investment Management Ltd | 647,823 | $120.2M | 1.93% | −8,811−1.3% | Reduced |
| Assetmark, Inc | 645,728 | $119.8M | 0.24% | −42,855−6.2% | Reduced |
| Caisse de Depot Et Placement du Quebec | 637,097 | $118.2M | 0.20% | +571,436+870.3% | Added |
| Principal Financial Group Inc | 604,866 | $112.2M | 0.06% | −172,311−22.2% | Reduced |
| New York State Common Retirement Fund | 571,423 | $106.0M | 0.14% | −15,647−2.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 552,367 | $102.5M | 0.17% | +146,905+36.2% | Added |
| Bank of Montreal | 548,093 | $101.7M | 0.04% | −19,237−3.4% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 538,931 | $100.5M | 0.16% | +38,118+7.6% | Added |
| Lord, Abbett & Co. LLC | 540,785 | $100.3M | 0.31% | −59,438−9.9% | Reduced |
| Squarepoint Ops LLC | 527,486 | $97.9M | 0.20% | +142,255+36.9% | Added |
| Primecap Management Co | 518,200 | $96.1M | 0.07% | −1,302,816−71.5% | Reduced |
| Davenport & Co LLC | 512,998 | $95.4M | 0.52% | +414,161+419.0% | Added |