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 2025
Institutional positions in Marsh & McLennan Companies, Inc. as of Mar 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
- 1,627
- +79 vs. Q4 2024
- Shares held
- 442.6M
- +4.34M (+1.0%) vs. Q4 2024
- Total value
- $108.0B
- +$14.9B (+16.0%) vs. Q4 2024
- New holders
- 178
- 626 more added
- Sold out
- 99
- 561 more reduced
30 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 45,321,445 | $11.1B | 0.20% | +581,930+1.3% | Added |
| BlackRock, Inc. | 40,601,219 | $9.91B | 0.21% | −1,019,252−2.4% | Reduced |
| FMR LLC | 22,151,590 | $5.41B | 0.35% | +917,186+4.3% | Added |
| State Street Corp | 21,490,479 | $5.24B | 0.22% | +239,150+1.1% | Added |
| Capital International Investors | 18,274,214 | $4.46B | 0.88% | +30,426+0.2% | Added |
| Capital World Investors | 17,651,003 | $4.31B | 0.70% | +123,638+0.7% | Added |
| Wellington Management Group LLP | 12,814,788 | $3.13B | 0.60% | +4,505,548+54.2% | Added |
| Geode Capital Management, LLC | 12,487,735 | $3.04B | 0.24% | +437,170+3.6% | Added |
| Massachusetts Financial Services Co | 10,097,141 | $2.46B | 0.82% | −248,972−2.4% | Reduced |
| Price T Rowe Associates Inc | 8,527,241 | $2.08B | 0.26% | −1,623,779−16.0% | Reduced |
| Ameriprise Financial Inc | 7,793,082 | $1.90B | 0.51% | −539,391−6.5% | Reduced |
| Bank of America Corp | 7,143,588 | $1.74B | 0.15% | +634,474+9.7% | Added |
| Morgan Stanley | 6,841,775 | $1.67B | 0.12% | +272,462+4.1% | Added |
| Capital Research Global Investors | 6,580,931 | $1.61B | 0.35% | +4,160,208+171.9% | Added |
| Mawer Investment Management Ltd. | 5,972,112 | $1.46B | 7.04% | −249,352−4.0% | Reduced |
| Northern Trust Corp | 5,893,411 | $1.44B | 0.21% | −40,929−0.7% | Reduced |
| Norges Bank | 5,717,471 | $1.40B | 0.20% | −102,342−1.8% | Reduced |
| UBS Asset Management Americas Inc | 5,180,922 | $1.26B | 0.32% | −37,566−0.7% | Reduced |
| UBS Group AG | 4,744,828 | $1.16B | 0.26% | +467,254+10.9% | Added |
| Goldman Sachs Group Inc | 4,345,211 | $1.06B | 0.20% | +319,107+7.9% | Added |
| Nuveen, LLC | 4,256,009 | $1.04B | 0.33% | +4,256,009 | New |
| JPMorgan Chase & Co | 4,233,038 | $1.03B | 0.08% | −576,559−12.0% | Reduced |
| Wells Fargo & Company | 3,589,842 | $876.0M | 0.21% | +123,560+3.6% | Added |
| Artisan Partners Limited Partnership | 3,411,336 | $832.5M | 1.35% | −73,864−2.1% | Reduced |
| Legal & General Group Plc | 3,343,299 | $815.9M | 0.22% | −191,896−5.4% | Reduced |
| Bank of New York Mellon Corp | 3,266,886 | $797.2M | 0.16% | −20,013−0.6% | Reduced |
| Deutsche Bank AG | 3,227,890 | $787.7M | 0.31% | −491,940−13.2% | Reduced |
| Clearbridge Investments, LLC | 2,943,040 | $718.2M | 0.63% | −82,669−2.7% | Reduced |
| Charles Schwab Investment Management Inc | 2,858,136 | $697.5M | 0.13% | +65,778+2.4% | Added |
| Parnassus Investments | 2,797,477 | $682.7M | 1.64% | −771,664−21.6% | Reduced |
| Primecap Management Co | 2,687,926 | $655.9M | 0.54% | −44,400−1.6% | Reduced |
| Royal Bank of Canada | 2,646,125 | $645.7M | 0.14% | +198,702+8.1% | Added |
| Jensen Investment Management Inc | 2,629,686 | $641.7M | 7.10% | −410,865−13.5% | Reduced |
| Nippon Life Insurance Co | 2,622,700 | $640.0M | 10.15% | 00.0% | Unchanged |
| Invesco Ltd. | 2,595,714 | $633.4M | 0.12% | −231,894−8.2% | Reduced |
| Longview Partners (Guernsey) LTD | 2,405,616 | $587.0M | 4.72% | −155,498−6.1% | Reduced |
| Ninety One UK Ltd | 2,370,678 | $578.5M | 1.61% | +1,436,044+153.6% | Added |
| Lazard Asset Management LLC | 2,338,379 | $570.6M | 0.88% | −397,673−14.5% | Reduced |
| Stifel Financial Corp | 2,271,586 | $554.3M | 0.59% | +46,654+2.1% | Added |
| California Public Employees Retirement System | 2,171,746 | $530.0M | 0.37% | −66,753−3.0% | Reduced |
| Ako Capital LLP | 2,121,730 | $517.8M | 6.72% | +58,902+2.9% | Added |
| Barclays PLC | 2,118,514 | $517.0M | 0.24% | −384,177−15.4% | Reduced |
| Dimensional Fund Advisors LP | 2,062,278 | $503.2M | 0.13% | +33,651+1.7% | Added |
| Robeco Institutional Asset Management B.V. | 1,978,219 | $482.7M | 0.94% | +304,388+18.2% | Added |
| Bahl & Gaynor Inc | 1,960,496 | $478.4M | 2.44% | +55,867+2.9% | Added |
| Janus Henderson Group PLC | 1,942,306 | $470.8M | 0.26% | −123,190−6.0% | Reduced |
| BNP Paribas Arbitrage, SA | 1,627,515 | $397.2M | 0.30% | +556,232+51.9% | Added |
| Franklin Resources Inc | 1,542,849 | $376.5M | 0.11% | +615,324+66.3% | Added |
| Amundi | 1,528,870 | $373.5M | 0.14% | −2,544,106−62.5% | Reduced |
| Veritas Investment Partners (UK) Ltd. | 1,511,296 | $368.8M | 6.75% | +71,853+5.0% | Added |
| HSBC Holdings PLC | 1,399,608 | $340.7M | 0.23% | −5,317−0.4% | Reduced |
| Alliancebernstein L.P. | 1,392,735 | $339.9M | 0.12% | +54,322+4.1% | Added |
| Swiss National Bank | 1,385,100 | $338.0M | 0.24% | −4,200−0.3% | Reduced |
| Envestnet Asset Management Inc | 1,241,197 | $302.9M | 0.10% | +16,879+1.4% | Added |
| Great West Life Assurance Co | 1,205,627 | $294.8M | 0.52% | +18,315+1.5% | Added |
| Waverton Investment Management Ltd | 1,205,958 | $294.3M | 4.55% | +32,308+2.8% | Added |
| Acadian Asset Management LLC | 1,205,122 | $294.1M | 0.83% | −363,518−23.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,189,105 | $290.2M | 0.21% | +5,709+0.5% | Added |
| Qube Research & Technologies Ltd | 1,162,486 | $283.7M | 0.44% | −289,824−20.0% | Reduced |
| DekaBank Deutsche Girozentrale | 1,175,283 | $280.1M | 0.55% | −18,008−1.5% | Reduced |
| FIL Ltd | 1,141,469 | $278.6M | 0.26% | +5,454+0.5% | Added |
| Findlay Park Partners LLP | 1,130,367 | $275.8M | 2.84% | +242,400+27.3% | Added |
| American Century Companies Inc | 1,105,037 | $269.7M | 0.17% | −19,570−1.7% | Reduced |
| First Trust Advisors LP | 1,077,600 | $263.0M | 0.23% | −48,024−4.3% | Reduced |
| Aviva PLC | 1,048,515 | $255.9M | 0.62% | +43,893+4.4% | Added |
| Storebrand Asset Management AS | 996,143 | $243.1M | 0.79% | −175,726−15.0% | Reduced |
| Caisse de Depot Et Placement du Quebec | 992,436 | $242.2M | 0.51% | +164,855+19.9% | Added |
| Rhumbline Advisers | 989,962 | $241.6M | 0.23% | +28,589+3.0% | Added |
| National Pension Service | 978,462 | $238.8M | 0.23% | +44,961+4.8% | Added |
| Voloridge Investment Management, LLC | 976,695 | $238.3M | 0.88% | −60,871−5.9% | Reduced |
| TD Asset Management Inc | 968,810 | $236.4M | 0.22% | +152,701+18.7% | Added |
| Raymond James Financial Inc | 933,112 | $227.7M | 0.09% | −42,729−4.4% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 896,756 | $218.8M | 0.25% | −55,925−5.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 891,714 | $217.6M | 0.20% | +93,928+11.8% | Added |
| Polar Capital Holdings Plc | 874,000 | $213.3M | 1.32% | 00.0% | Unchanged |
| Bank of Montreal | 852,473 | $208.0M | 0.11% | −152,071−15.1% | Reduced |
| California State Teachers Retirement System | 849,663 | $207.3M | 0.26% | −8,441−1.0% | Reduced |
| Principal Financial Group Inc | 840,293 | $205.1M | 0.12% | +3,600+0.4% | Added |
| Alphinity Investment Management Pty Ltd | 827,566 | $202.0M | 1.37% | −1,600,289−65.9% | Reduced |
| D. E. Shaw & Co., Inc. | 806,914 | $196.9M | 0.23% | +461,843+133.8% | Added |
| Natixis Advisors, L.P. | 804,753 | $196.4M | 0.36% | +16,022+2.0% | Added |
| Montrusco Bolton Investments Inc. | 823,645 | $194.8M | 2.56% | +71,820+9.6% | Added |
| Nordea Investment Management AB | 778,763 | $190.4M | 0.20% | −92,522−10.6% | Reduced |
| Rathbone Brothers plc | 770,666 | $188.1M | 0.91% | +114,817+17.5% | Added |
| Capital Group Private Client Services, Inc. | 767,655 | $187.3M | 1.83% | −25,745−3.2% | Reduced |
| Manufacturers Life Insurance Company, The | 748,006 | $182.5M | 0.17% | −233,583−23.8% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 743,500 | $181.4M | 1.61% | +8,000+1.1% | Added |
| Mackenzie Financial Corp | 731,080 | $178.4M | 0.25% | −38,799−5.0% | Reduced |
| Epoch Investment Partners, Inc. | 720,834 | $175.9M | 0.91% | +146,644+25.5% | Added |
| Lord, Abbett & Co. LLC | 667,046 | $162.8M | 0.58% | 00.0% | Unchanged |
| Assetmark, Inc | 658,152 | $160.6M | 0.44% | −8,962−1.3% | Reduced |
| Prudential Financial Inc | 637,307 | $155.5M | 0.22% | +153,385+31.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 630,885 | $154.0M | 0.31% | +71,829+12.8% | Added |
| New York State Common Retirement Fund | 628,919 | $153.5M | 0.23% | −41,969−6.3% | Reduced |
| Renaissance Technologies LLC | 619,000 | $151.1M | 0.23% | +115,900+23.0% | Added |
| Worldquant Millennium Advisors LLC | 603,467 | $147.3M | 0.93% | −12,570−2.0% | Reduced |
| CCLA Investment Management Ltd | 601,373 | $146.7M | 2.60% | +52,827+9.6% | Added |
| The PNC Financial Services Group, Inc. | 595,851 | $145.4M | 0.08% | +7,910+1.3% | Added |
| Citigroup Inc | 574,994 | $140.3M | 0.11% | +243,329+73.4% | Added |
| Credit Agricole S A | 569,410 | $139.0M | 0.52% | −103,636−15.4% | Reduced |