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 $73.2B in total; superinvestors Harris Associates (Oakmark) and Markel Group hold it.
13F holders, Q2 2026
Institutional positions in Marsh & McLennan Companies, Inc. as of Jun 30, 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
- 1,506
- −24 vs. Q1 2026
- Shares held
- 439.1M
- −805.6K (−0.2%) vs. Q1 2026
- Total value
- $73.2B
- −$3.12B (−4.1%) vs. Q1 2026
- New holders
- 144
- 483 more added
- Sold out
- 168
- 664 more reduced
18 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $73.2B |
| Q1 2026 | 1,548 | $76.4B |
| Q4 2025 | 1,594 | $81.4B |
| Q3 2025 | 1,576 | $88.2B |
| Q2 2025 | 1,610 | $97.3B |
| Q1 2025 | 1,627 | $107.4B |
| Q4 2024 | 1,578 | $94.0B |
| Q3 2024 | 1,531 | $97.4B |
| Q2 2024 | 1,476 | $92.6B |
| Q1 2024 | 1,444 | $92.9B |
| Q4 2023 | 1,376 | $83.9B |
| Q3 2023 | 1,294 | $82.1B |
| Q2 2023 | 1,258 | $81.6B |
| Q1 2023 | 1,228 | $75.3B |
| Q4 2022 | 1,223 | $72.0B |
| Q3 2022 | 1,159 | $65.6B |
| Q2 2022 | 1,150 | $68.7B |
| Q1 2022 | 1,151 | $75.2B |
| Q4 2021 | 1,170 | $78.1B |
| Q3 2021 | 1,078 | $68.2B |
| Q2 2021 | 1,007 | $63.9B |
| Q1 2021 | 979 | $54.9B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 39,502,046 | $6.58B | 0.10% | −2,559,630−6.1% | Reduced |
| Vanguard Capital Management LLC | 31,472,575 | $5.25B | 0.11% | +4,9010.0% | Added |
| State Street Corp | 22,401,676 | $3.73B | 0.11% | +330,731+1.5% | Added |
| Capital World Investors | 18,122,340 | $3.02B | 0.36% | +153,158+0.9% | Added |
| Wellington Management Group LLP | 16,975,238 | $2.83B | 0.49% | −395,471−2.3% | Reduced |
| Capital International Investors | 15,729,457 | $2.62B | 0.54% | +15,604+0.1% | Added |
| Geode Capital Management, LLC | 13,510,274 | $2.25B | 0.12% | +106,102+0.8% | Added |
| Price T Rowe Associates Inc | 13,438,662 | $2.24B | 0.22% | +2,462,376+22.4% | Added |
| Vanguard Portfolio Management LLC | 12,570,512 | $2.10B | 0.09% | +142,566+1.1% | Added |
| Capital Research Global Investors | 10,973,649 | $1.83B | 0.26% | −327,539−2.9% | Reduced |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 8,687,496 | $1.45B | 1.93% | +3,518,377+68.1% | Added |
| Artisan Partners Limited Partnership | 7,269,246 | $1.21B | 1.98% | +2,393,389+49.1% | Added |
| FMR LLC | 6,954,123 | $1.16B | 0.05% | −3,226,582−31.7% | Reduced |
| Massachusetts Financial Services Co | 6,507,415 | $1.09B | 0.35% | −1,692,894−20.6% | Reduced |
| Morgan Stanley | 6,314,085 | $1.05B | 0.06% | −159,907−2.5% | Reduced |
| Norges Bank | 6,255,525 | $1.04B | 0.10% | +6,255,525 | New |
| Ameriprise Financial Inc | 5,535,138 | $922.1M | 0.19% | +46,601+0.8% | Added |
| Northern Trust Corp | 4,888,165 | $814.7M | 0.09% | −76,914−1.5% | Reduced |
| JPMorgan Chase & Co | 4,730,329 | $788.6M | 0.05% | −1,363,063−22.4% | Reduced |
| Clearbridge Investments, LLC | 4,705,966 | $784.3M | 0.65% | −1,717,565−26.7% | Reduced |
| UBS Asset Management Americas Inc | 4,597,647 | $766.3M | 0.14% | −584,870−11.3% | Reduced |
| Invesco Ltd. | 4,305,773 | $717.6M | 0.06% | +420,995+10.8% | Added |
| Goldman Sachs Group Inc | 4,228,626 | $704.8M | 0.07% | +555,667+15.1% | Added |
| Arrowstreet Capital, Limited Partnership | 4,170,110 | $695.0M | 0.31% | +715,524+20.7% | Added |
| Deutsche Bank AG | 4,113,644 | $685.6M | 0.20% | +409,470+11.1% | Added |
| Ninety One UK Ltd | 3,971,522 | $661.9M | 1.48% | −57,620−1.4% | Reduced |
| American Century Companies Inc | 3,877,741 | $646.3M | 0.29% | −356,586−8.4% | Reduced |
| EdgePoint Investment Group Inc. | 3,820,196 | $636.7M | 4.81% | +3,820,196 | New |
| UBS Group AG | 3,603,522 | $600.6M | 0.10% | −1,117,569−23.7% | Reduced |
| Bank of America Corp | 3,455,003 | $575.8M | 0.04% | −1,484,611−30.1% | Reduced |
| Nuveen, LLC | 3,451,900 | $575.3M | 0.14% | −715,587−17.2% | Reduced |
| Bank of New York Mellon Corp | 3,194,567 | $532.4M | 0.09% | −59,454−1.8% | Reduced |
| Charles Schwab Investment Management Inc | 3,072,405 | $512.1M | 0.07% | +39,257+1.3% | Added |
| Amundi | 2,884,376 | $480.7M | 0.12% | +585,543+25.5% | Added |
| Royal Bank of Canada | 2,813,877 | $469.0M | 0.08% | −502,702−15.2% | Reduced |
| Legal & General Group Plc | 2,793,483 | $465.6M | 0.10% | −272,701−8.9% | Reduced |
| Vanguard Fiduciary Trust Co | 2,705,812 | $451.0M | 0.10% | −27,948−1.0% | Reduced |
| AQR Capital Management LLC | 2,607,451 | $432.1M | 0.15% | −1,066,536−29.0% | Reduced |
| Wells Fargo & Company | 2,510,228 | $418.4M | 0.07% | −68,780−2.7% | Reduced |
| Stifel Financial Corp | 2,212,398 | $368.7M | 0.31% | −94,963−4.1% | Reduced |
| Alliancebernstein L.P. | 2,061,247 | $357.5M | 0.12% | +79,965+4.0% | Added |
| Primecap Management Co | 2,145,025 | $357.5M | 0.21% | +1,427,525+199.0% | Added |
| London & Capital Asset Management Ltd | 2,090,489 | $348.2M | 3.19% | +66,737+3.3% | Added |
| Parnassus Investments | 2,047,623 | $341.3M | 0.91% | −162,816−7.4% | Reduced |
| Dimensional Fund Advisors LP | 2,022,672 | $337.1M | 0.06% | −11,261−0.6% | Reduced |
| Mawer Investment Management Ltd. | 1,871,159 | $311.9M | 2.12% | −1,604,431−46.2% | Reduced |
| Manufacturers Life Insurance Company, The | 1,867,077 | $311.2M | 0.24% | +294,130+18.7% | Added |
| Rathbone Brothers plc | 1,733,034 | $288.8M | 1.06% | −980,910−36.1% | Reduced |
| Canada Pension Plan Investment Board | 1,605,850 | $267.6M | 0.15% | +796,211+98.3% | Added |
| Beutel, Goodman & Co Ltd. | 1,573,890 | $262.3M | 1.93% | +794,120+101.8% | Added |
| Lazard Asset Management LLC | 1,516,945 | $252.8M | 0.38% | −106,810−6.6% | Reduced |
| Veritas Investment Partners (UK) Ltd. | 1,517,459 | $252.8M | 6.78% | −163,187−9.7% | Reduced |
| BNP Paribas Arbitrage, SA | 1,497,934 | $249.7M | 0.13% | −1,068,613−41.6% | Reduced |
| Franklin Resources Inc | 1,485,628 | $247.6M | 0.05% | −52,312−3.4% | Reduced |
| Swiss National Bank | 1,359,000 | $226.5M | 0.12% | −78,800−5.5% | Reduced |
| Voloridge Investment Management, LLC | 1,330,728 | $221.8M | 0.94% | +238,790+21.9% | Added |
| First Trust Advisors LP | 1,319,512 | $219.9M | 0.13% | −12,889−1.0% | Reduced |
| Nippon Life Insurance Co | 1,311,350 | $218.6M | 3.62% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 1,308,868 | $218.1M | 0.14% | +1,151,611+732.3% | Added |
| Swedbank AB | 1,301,456 | $216.9M | 0.19% | +196,191+17.8% | Added |
| Polar Capital Holdings Plc | 1,300,000 | $216.7M | 0.61% | +80,000+6.6% | Added |
| DekaBank Deutsche Girozentrale | 1,193,291 | $207.5M | 0.35% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,199,699 | $200.1M | 0.11% | +77,989+7.0% | Added |
| Raymond James Financial Inc | 1,187,191 | $197.9M | 0.05% | −40,871−3.3% | Reduced |
| Great West Life Assurance Co | 1,155,368 | $192.1M | 0.31% | −181,976−13.6% | Reduced |
| National Pension Service | 1,128,564 | $188.1M | 0.12% | +1,128,564 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,100,656 | $183.4M | 0.10% | +6,459+0.6% | Added |
| Vanguard Global Advisers, LLC | 1,099,122 | $183.2M | 0.09% | +1,007+0.1% | Added |
| Vanguard Asset Management, Ltd | 1,089,768 | $181.6M | 0.12% | +109,433+11.2% | Added |
| Marshall Wace, LLP | 1,043,399 | $173.9M | 0.15% | +438,346+72.4% | Added |
| HSBC Holdings PLC | 1,022,077 | $170.4M | 0.08% | +36,397+3.7% | Added |
| Envestnet Asset Management Inc | 998,086 | $166.4M | 0.04% | −135,397−11.9% | Reduced |
| Jensen Investment Management Inc | 984,904 | $164.2M | 3.98% | −166,300−14.4% | Reduced |
| Barclays PLC | 982,810 | $163.8M | 0.05% | −392,545−28.5% | Reduced |
| Caisse de Depot Et Placement du Quebec | 982,538 | $163.8M | 0.23% | +271,829+38.2% | Added |
| Storebrand Asset Management AS | 974,704 | $162.5M | 0.40% | +32,231+3.4% | Added |
| Robeco Institutional Asset Management B.V. | 906,861 | $151.1M | 0.19% | +301,560+49.8% | Added |
| Rhumbline Advisers | 892,176 | $148.7M | 0.11% | −9,938−1.1% | Reduced |
| FIL Ltd | 887,945 | $148.0M | 0.11% | +20,408+2.4% | Added |
| California Public Employees Retirement System | 865,316 | $144.2M | 0.08% | −240,537−21.8% | Reduced |
| D. E. Shaw & Co., Inc. | 839,616 | $139.9M | 0.09% | −889,934−51.5% | Reduced |
| TD Asset Management Inc | 800,370 | $133.4M | 0.12% | −138,998−14.8% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 763,500 | $127.3M | 0.97% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 748,439 | $124.7M | 0.15% | −95,628−11.3% | Reduced |
| Capital International Inc | 739,907 | $123.3M | 0.86% | −1,748−0.2% | Reduced |
| California State Teachers Retirement System | 735,926 | $122.7M | 0.11% | +6,128+0.8% | Added |
| Mackenzie Financial Corp | 729,781 | $121.6M | 0.12% | +16,000+2.2% | Added |
| Jennison Associates LLC | 683,273 | $113.9M | 0.07% | +460,679+207.0% | Added |
| Cryder Capital Partners LLP | 649,418 | $108.2M | 6.82% | +59,962+10.2% | Added |
| Natixis Advisors, L.P. | 635,893 | $106.0M | 0.12% | −213,723−25.2% | Reduced |
| Epoch Investment Partners, Inc. | 635,153 | $105.9M | 0.60% | −9,017−1.4% | Reduced |
| The PNC Financial Services Group, Inc. | 619,003 | $103.2M | 0.05% | −24,357−3.8% | Reduced |
| Bank of Montreal | 613,768 | $102.3M | 0.04% | +98,405+19.1% | Added |
| Davenport & Co LLC | 612,045 | $102.0M | 0.52% | −22,182−3.5% | Reduced |
| Principal Financial Group Inc | 604,724 | $100.8M | 0.05% | −5,723−0.9% | Reduced |
| Jupiter Asset Management Ltd | 588,501 | $97.3M | 0.48% | −33,964−5.5% | Reduced |
| Citigroup Inc | 570,878 | $95.1M | 0.04% | +47,262+9.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 514,651 | $86.5M | 0.13% | −41,022−7.4% | Reduced |
| New York State Common Retirement Fund | 515,312 | $85.9M | 0.11% | −34,511−6.3% | Reduced |
| Pictet Asset Management Holding SA | 514,868 | $85.8M | 0.08% | +84,543+19.6% | Added |