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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, 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
438.4M
−149.9K (0.0%) vs. Q1 2026
Total value
$73.1B
−$3.00B (−3.9%) vs. Q1 2026
New holders
144
482 more added
Sold out
168
663 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.

Institutional holdersQ2 2026: 1,506 institutions
Q1 2021: 979 institutionsQ2 2021: 1,007 institutionsQ3 2021: 1,078 institutionsQ4 2021: 1,170 institutionsQ1 2022: 1,151 institutionsQ2 2022: 1,150 institutionsQ3 2022: 1,159 institutionsQ4 2022: 1,223 institutionsQ1 2023: 1,228 institutionsQ2 2023: 1,258 institutionsQ3 2023: 1,294 institutionsQ4 2023: 1,376 institutionsQ1 2024: 1,444 institutionsQ2 2024: 1,476 institutionsQ3 2024: 1,531 institutionsQ4 2024: 1,578 institutionsQ1 2025: 1,627 institutionsQ2 2025: 1,610 institutionsQ3 2025: 1,576 institutionsQ4 2025: 1,594 institutionsQ1 2026: 1,548 institutionsQ2 2026: 1,506 institutions
Value heldQ2 2026: $73.1B
Q1 2021: $54.7BQ2 2021: $63.6BQ3 2021: $68.0BQ4 2021: $77.6BQ1 2022: $75.2BQ2 2022: $68.6BQ3 2022: $65.5BQ4 2022: $72.3BQ1 2023: $72.1BQ2 2023: $81.5BQ3 2023: $82.0BQ4 2023: $82.4BQ1 2024: $89.9BQ2 2024: $92.3BQ3 2024: $97.1BQ4 2024: $94.2BQ1 2025: $108.0BQ2 2025: $97.3BQ3 2025: $87.2BQ4 2025: $80.9BQ1 2026: $76.1BQ2 2026: $73.1B
Institutions holding MRSH and their total value by quarter
QuarterHoldersValue
Q2 20261,506$73.1B
Q1 20261,548$76.1B
Q4 20251,594$80.9B
Q3 20251,576$87.2B
Q2 20251,610$97.3B
Q1 20251,627$108.0B
Q4 20241,578$94.2B
Q3 20241,531$97.1B
Q2 20241,476$92.3B
Q1 20241,444$89.9B
Q4 20231,376$82.4B
Q3 20231,294$82.0B
Q2 20231,258$81.5B
Q1 20231,228$72.1B
Q4 20221,223$72.3B
Q3 20221,159$65.5B
Q2 20221,150$68.6B
Q1 20221,151$75.2B
Q4 20211,170$77.6B
Q3 20211,078$68.0B
Q2 20211,007$63.6B
Q1 2021979$54.7B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q1 2026.

Institutions holding MRSH in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Douglass Winthrop Advisors, LLC1,200$200.0K0.00%00.0%Unchanged
Diligent Investors, LLC1,200$200.0K0.04%00.0%Unchanged
Granite FO LLC1,200$200.0K0.11%00.0%Unchanged
Mattern Wealth Management LLC1,200$200.0K0.03%+1,200New
Strategic Investment Advisors1,169$194.8K0.01%−12,199−91.3%Reduced
Mather Group, LLC.1,168$194.6K0.00%+117+11.1%Added
Action Point Financial Planning, LLC1,150$190.5K0.02%+1,150New
West Paces Advisors Inc.1,141$190.2K0.03%−1,405−55.2%Reduced
Strategic Wealth Partners, Ltd.1,122$187.0K0.01%−12−1.1%Reduced
Rossby Financial, LCC1,085$180.8K0.03%−1,619−59.9%Reduced
Hollencrest Capital Management1,039$173.2K0.01%−119−10.3%Reduced
Bogart Wealth, LLC1,013$168.8K0.01%−7−0.7%Reduced
MV Capital Management, Inc.973$162.2K0.01%−56−5.4%Reduced
Trust Co of Vermont945$157.5K0.01%+945New
Thurston, Springer, Miller, Herd & Titak, Inc.941$156.8K0.06%+26+2.8%Added
Swiss Re Ltd901$150.2K0.01%+742+466.7%Added
Rosenberg Matthew Hamilton884$147.3K0.03%+328+59.0%Added
CVA Family Office, LLC869$144.8K0.01%−464−34.8%Reduced
University of Texas/Texas Am Investment Managment Co857$142.8K0.02%+614+252.7%Added
Lavaca Capital LLC828$138.0K0.01%+128+18.3%Added
Tower Trust & Investment Co828$138.0K0.08%−3,233−79.6%Reduced
Atlantic Trust, LLC751$125.2K0.02%+83+12.4%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA750$125.0K0.04%+140+23.0%Added
Spectrum Wealth Advisory Group, LLC746$124.3K0.04%+746New
Transamerica Financial Advisors, Inc.713$118.8K0.01%00.0%Unchanged
Central Trust Co710$118.3K0.00%−189−21.0%Reduced
Washington Trust Advisors, Inc.692$115.3K0.01%+30+4.5%Added
Institute for Wealth Management, LLC.691$115.2K0.01%+691New
HHM Wealth Advisors, LLC666$111.0K0.01%−74−10.0%Reduced
UMA Financial Services, Inc.649$108.1K0.01%+348+115.6%Added
Clean Yield Group646$107.7K0.03%+460+247.3%Added
Dixon Mitchell Investment Counsel Inc.633$105.5K0.00%−315−33.2%Reduced
True Wealth Design, LLC632$105.3K0.03%−941−59.8%Reduced
Basepoint Wealth LLC629$104.9K0.06%+3+0.5%Added
Harel Insurance Investments & Financial Services Ltd.600$100.0K0.00%00.0%Unchanged
REAP Financial Group, LLC580$96.7K0.02%00.0%Unchanged
Quent Capital, LLC564$94.0K0.01%−279−33.1%Reduced
Wealth Enhancement Trust Services, Inc.553$92.2K0.01%−6−1.1%Reduced
Manning & Napier Advisors LLC548$91.3K0.00%00.0%Unchanged
Caldwell Sutter Capital, Inc.538$89.7K0.03%+66+14.0%Added
Simplex Trading, LLC531$88.5K0.00%−1,362−71.9%Reduced
Union Savings Bank514$85.7K0.03%−55−9.7%Reduced
Osterweis Capital Management Inc513$85.5K0.00%00.0%Unchanged
LRI Investments, LLC511$85.2K0.01%+80+18.6%Added
Baillie Gifford & Co511$85.2K0.00%−63,897−99.2%Reduced
Owl Creek Wealth Partners LLC498$83.0K0.02%+54+12.2%Added
Key Financial Inc493$82.2K0.01%00.0%Unchanged
Salomon & Ludwin, LLC477$82.1K0.01%+5+1.1%Added
ZRC Wealth Management, LLC476$79.4K0.02%+165+53.1%Added
Sachetta, LLC473$78.8K0.04%+51+12.1%Added
Jackson, Grant Investment Advisers, Inc.470$78.4K0.02%+2+0.4%Added
USA Financial Formulas466$77.7K0.01%+466New
Merrithew & Thorsten Inc463$77.0K0.07%+3+0.7%Added
State of Wyoming455$75.8K0.01%+455New
Silver Grove Financial Group, Inc.454$75.7K0.04%+454New
Kerr Financial Planning Corp454$75.6K0.08%+96+26.8%Added
Hara Capital LLC453$75.5K0.04%00.0%Unchanged
Islay Capital Management, LLC450$75.0K0.04%00.0%Unchanged
Maseco LLP448$74.6K0.00%00.0%Unchanged
Kozak & Associates, Inc.431$74.2K0.01%+2+0.5%Added
Lodestone Wealth Management LLC435$72.5K0.03%+15+3.6%Added
Pittenger & Anderson Inc429$71.5K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC425$70.8K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.415$69.2K0.00%00.0%Unchanged
New England Capital Financial Advisors LLC412$68.7K0.02%+2+0.5%Added
DHJJ Financial Advisors, Ltd.410$68.3K0.02%00.0%Unchanged
Morse Asset Management, Inc405$67.5K0.01%−150−27.0%Reduced
Minot DeBlois Advisors LLC400$66.7K0.06%00.0%Unchanged
Guardian Partners Inc.400$66.7K0.01%+400New
Independence Bank of Kentucky395$65.8K0.01%−316−44.4%Reduced
Mowery & Schoenfeld Wealth Management, LLC387$64.5K0.09%−1−0.3%Reduced
Colonial Trust Co386$64.3K0.01%−190−33.0%Reduced
Leonteq Securities AG383$63.8K0.00%−2,699−87.6%Reduced
Bruce G. Allen Investments, LLC368$61.3K0.04%−66−15.2%Reduced
Silvant Capital Management LLC358$59.7K0.00%00.0%Unchanged
Anchor Investment Management, LLC356$59.4K0.00%+248+229.6%Added
Raleigh Capital Management Inc.356$59.3K0.02%−3−0.8%Reduced
Purpose Unlimited Inc.354$59.0K0.00%00.0%Unchanged
Axiom Investment Management LLC349$58.2K0.04%−10−2.8%Reduced
Ares Financial Consulting, LLC344$57.3K0.04%+9+2.7%Added
WPG Advisers, LLC337$56.2K0.03%+53+18.7%Added
Meramec Financial Planners, LLC300$55.0K0.02%+18+6.4%Added
Cornerstone Planning Group LLC304$53.5K0.01%−66−17.8%Reduced
Capital Analysts, LLC312$52.0K0.00%+85+37.4%Added
HighMark Wealth Management LLC308$51.3K0.02%00.0%Unchanged
S&T Bank305$50.8K0.02%00.0%Unchanged
Plante Moran Financial Advisors, LLC305$50.8K0.00%+5+1.7%Added
Glen Eagle Advisors, LLC305$50.8K0.01%−21−6.4%Reduced
Golden State Wealth Management, LLC301$50.2K0.00%+168+126.3%Added
Acumen Wealth Advisors, LLC300$50.0K0.01%−54−15.3%Reduced
Chelsea Counsel Co300$50.0K0.02%00.0%Unchanged
Riverview Trust Co300$50.0K0.06%00.0%Unchanged
Park Place Capital Corp296$49.3K0.01%−551−65.1%Reduced
Walleye Capital LLC295$49.2K0.00%−1,354−82.1%Reduced
Fedenia Advisers LLC291$48.5K0.01%+291New
MidFirst Bank286$47.7K0.00%−95−24.9%Reduced
Loomis Sayles & Co L P286$47.7K0.00%+248+652.6%Added
Perkins Coie Trust Co286$47.7K0.01%00.0%Unchanged
Johnson Financial Group, Inc.278$46.3K0.00%−142−33.8%Reduced
Dunhill Financial, LLC277$46.3K0.01%+15+5.7%Added