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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, Q3 2025

Institutional positions in Marsh & McLennan Companies, Inc. as of Sep 30, 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
1,576
−6 vs. Q2 2025
Shares held
432.7M
−8.65M (−2.0%) vs. Q2 2025
Total value
$87.2B
−$8.72B (−9.1%) vs. Q2 2025
New holders
147
561 more added
Sold out
153
607 more reduced

28 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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.

Institutional holdersQ3 2025: 1,576 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 heldQ3 2025: $87.2B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q2 2025.

Institutions holding MRSH in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ellevest, Inc.2,299$463.3K0.07%−880−27.7%Reduced
L2 Asset Management, LLC2,308$465.1K0.07%+101+4.6%Added
IHT Wealth Management, LLC2,309$465.4K0.01%+58+2.6%Added
Evoke Wealth, LLC2,310$465.6K0.01%+500+27.6%Added
Jarislowsky, Fraser Ltd2,323$468.2K0.00%00.0%Unchanged
AdvisorShares Investments LLC2,340$471.6K0.08%+2,340New
Trust Point Inc.2,348$473.2K0.04%+372+18.8%Added
Soltis Investment Advisors LLC2,351$473.9K0.03%+933+65.8%Added
Powell Investment Advisors, LLC2,359$475.4K0.17%00.0%Unchanged
Evernest Financial Advisors, LLC2,365$476.5K0.13%−145−5.8%Reduced
Eastern Bank2,395$482.7K0.01%+270+12.7%Added
Jackson Thornton Asset Management, LLC2,358$482.8K0.05%+2,358New
Advisors Capital Management, LLC2,416$487.0K0.01%+165+7.3%Added
Genesee Capital Advisors, LLC2,433$490.3K0.21%−1,427−37.0%Reduced
Aberdeen Wealth Management LLC2,436$490.9K0.31%00.0%Unchanged
Capstone Investment Advisors, LLC2,437$491.1K0.00%+433+21.6%Added
Penobscot Investment Management Company, Inc.2,442$492.1K0.04%+250+11.4%Added
Patrick M Sweeney & Associates, Inc2,449$493.4K0.32%+36+1.5%Added
Spectrum Wealth Advisory Group, LLC2,457$495.2K0.20%−10.0%Reduced
Groupama Asset Managment2,469$497.6K0.01%−235−8.7%Reduced
LGT Group Foundation2,473$497.8K0.01%00.0%Unchanged
Montag A & Associates Inc2,475$498.8K0.02%00.0%Unchanged
ARS Investment Partners, LLC2,478$499.4K0.03%00.0%Unchanged
Element Capital Management LLC2,498$503.4K0.71%+2,498New
Warther Private Wealth, LLC2,500$503.8K0.12%−150−5.7%Reduced
Broderick Brian C2,500$503.8K0.10%00.0%Unchanged
Sigma Planning Corp2,511$506.0K0.01%−18−0.7%Reduced
Premier Path Wealth Partners, LLC2,550$514.0K0.07%−242−8.7%Reduced
C2C Wealth Management, LLC2,580$519.9K0.45%00.0%Unchanged
Quadrature Capital Ltd2,597$523.4K0.01%+2,597New
Fogel Capital Management, Inc.2,614$526.8K0.24%00.0%Unchanged
Boston Research & Management Inc2,620$528.0K0.12%00.0%Unchanged
Evergreen Capital Management LLC2,622$528.4K0.01%+683+35.2%Added
Mayflower Financial Advisors, LLC2,628$529.7K0.07%+118+4.7%Added
GTS Securities LLC2,637$531.4K0.02%+1,175+80.4%Added
Meiji Yasuda Life Insurance Co2,639$531.8K0.02%+2,639New
Pure Financial Advisors, Inc.2,644$532.9K0.01%−319−10.8%Reduced
Capital Advisors Inc2,649$533.8K0.01%−18−0.7%Reduced
Nvest Financial, LLC2,649$533.9K0.31%+2,649New
Avestar Capital, LLC2,653$534.7K0.04%−945−26.3%Reduced
Csenge Advisory Group2,657$535.5K0.03%−1,773−40.0%Reduced
Northstar Advisory Group, LLC2,665$537.1K0.22%+2,665New
Fulcrum Asset Management LLP2,667$537.5K0.15%−74−2.7%Reduced
Chesapeake Asset Management LLC2,705$545.1K0.48%−40−1.5%Reduced
Advyzon Investment Management, LLC2,710$546.1K0.09%+220+8.8%Added
Green Harvest Asset Management LLC2,725$549.1K0.01%−75−2.7%Reduced
Penserra Capital Management LLC2,736$550.0K0.01%+30+1.1%Added
Bryce Point Capital, LLC2,730$550.2K0.67%+2,730New
Baker Tilly Wealth Management, LLC2,758$555.8K0.13%+2,758New
SOA Wealth Advisors, LLC.2,761$556.5K0.10%+38+1.4%Added
McRae Capital Management Inc2,764$557.2K0.11%−85−3.0%Reduced
OmniStar Financial Group, Inc.2,774$559.1K0.34%−3,561−56.2%Reduced
Dakota Wealth Management2,779$560.1K0.01%−287−9.4%Reduced
Personal Cfo Solutions, LLC2,779$560.1K0.10%−647−18.9%Reduced
Paradigm Financial Partners, LLC2,799$564.1K0.06%−1,181−29.7%Reduced
Meritas Wealth Management, LLC2,805$565.3K0.28%00.0%Unchanged
Florida Financial Advisors, LLC2,807$565.9K0.17%−322−10.3%Reduced
Sterling Wealth Management, Inc.2,817$567.7K0.17%−10.0%Reduced
Insigneo Advisory Services, LLC2,837$571.7K0.04%+1,446+104.0%Added
Archvest Wealth Advisors, Inc.2,843$573.0K0.51%+3+0.1%Added
Kearns & Associates LLC2,860$576.4K0.31%00.0%Unchanged
Strid Group, LLC2,873$579.1K0.07%00.0%Unchanged
Moors & Cabot, Inc.2,893$583.1K0.03%−22−0.8%Reduced
Wela Strategies, Inc.2,915$587.5K0.22%+435+17.5%Added
Cadinha & Co LLC2,925$589.5K0.08%−79,802−96.5%Reduced
RiverFront Investment Group, LLC2,929$590.3K0.01%+2,929New
Avalon Trust Co2,936$591.7K0.04%+222+8.2%Added
Regency Capital Management Inc.3,008$606.2K0.29%−1,801−37.5%Reduced
North Star Asset Management Inc3,030$610.6K0.02%00.0%Unchanged
SOL Capital Management CO3,030$611.0K0.05%00.0%Unchanged
Spirepoint Private Client, LLC3,063$617.3K0.06%+263+9.4%Added
Loring Wolcott & Coolidge Fiduciary Advisors LLP3,286$618.0K0.01%00.0%Unchanged
44 Wealth Management LLC3,082$621.1K0.21%+333+12.1%Added
Bill Few Associates, Inc.3,085$621.7K0.16%−50−1.6%Reduced
Leonteq Securities AG3,088$622.3K0.03%+2,161+233.1%Added
CWA Asset Management Group, LLC3,088$622.3K0.02%−524−14.5%Reduced
White Pine Investment CO3,093$623.0K0.15%−148−4.6%Reduced
Vicus Capital3,092$623.0K0.05%+43+1.4%Added
Coign Capital Advisors LLC3,102$625.1K0.34%+333+12.0%Added
Frank, Rimerman Advisors LLC3,137$632.2K0.04%−258−7.6%Reduced
Missouri Trust & Investment Co3,140$632.8K0.19%−115−3.5%Reduced
Defined Wealth Management, LLC3,147$634.2K0.37%−55−1.7%Reduced
Rodgers Brothers Inc.3,150$634.8K0.08%00.0%Unchanged
Portland Global Advisors LLC3,165$637.8K0.07%00.0%Unchanged
Ambassador Advisors, LLC3,182$641.2K0.10%+391+14.0%Added
Duncker Streett & Co Inc3,200$644.9K0.11%00.0%Unchanged
Gryphon Financial Partners LLC3,204$645.6K0.07%+217+7.3%Added
Permanent Capital Management, LP3,220$648.9K0.12%+3,220New
Gateway Investment Advisers LLC3,222$649.3K0.01%+96+3.1%Added
Parvin Asset Management, LLC3,230$650.9K0.58%00.0%Unchanged
Waller Financial Planning Group, Inc3,239$652.8K0.15%+14+0.4%Added
Kohmann Bosshard Financial Services, LLC3,244$653.8K0.07%00.0%Unchanged
Schear Investment Advisers, LLC3,256$656.2K0.29%−65−2.0%Reduced
Williams Jones Wealth Management, LLC.3,259$656.8K0.01%−45−1.4%Reduced
Fulton Bank, N.A.3,270$659.0K0.02%−125−3.7%Reduced
Livforsakringsbolaget Skandia, Omsesidigt3,334$671.8K0.03%00.0%Unchanged
Buckley Wealth Management, LLC3,375$680.2K0.19%−104−3.0%Reduced
NorthCrest Asset Manangement, LLC3,339$680.6K0.02%+1,446+76.4%Added
Turtle Creek Wealth Advisors, LLC3,402$685.6K0.06%+1,313+62.9%Added
Strategic Blueprint, LLC3,453$695.9K0.03%+33+1.0%Added