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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, 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.

Institutional holdersQ4 2025: 1,594 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 heldQ4 2025: $80.9B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q3 2025.

Institutions holding MRSH in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sapient Capital LLC1,323$247.9K0.00%+292+28.3%Added
Farmers & Merchants Investments Inc1,337$248.0K0.01%00.0%Unchanged
Outlook Wealth Advisors, LLC1,339$248.4K0.06%+24+1.8%Added
Busey Wealth Management1,346$249.7K0.01%+141+11.7%Added
Gsa Capital Partners LLP1,350$250.0K0.02%−939−41.0%Reduced
Rice Hall James & Associates, LLC1,350$250.5K0.01%00.0%Unchanged
Koshinski Asset Management, Inc.1,351$250.6K0.02%+230+20.5%Added
Global Endowment Management, LP1,352$251.0K0.03%−240−15.1%Reduced
Mairs & Power Inc1,356$251.6K0.00%00.0%Unchanged
Onefund, LLC1,368$253.8K0.15%+29+2.2%Added
Legacy Advisory Services, LLC1,368$253.8K0.19%+6+0.4%Added
Bank of New Hampshire1,370$254.2K0.06%00.0%Unchanged
Essex Savings Bank1,371$254.3K0.06%−49−3.5%Reduced
Continuum Advisory, LLC1,379$255.8K0.03%−250−15.3%Reduced
Cromwell Holdings LLC1,390$257.9K0.14%00.0%Unchanged
Breakwater Capital Group1,395$258.8K0.04%−13−0.9%Reduced
Tradewinds, LLC.1,398$259.4K0.06%−219−13.5%Reduced
Fiduciary Family Office, LLC1,400$259.7K0.07%−3,902−73.6%Reduced
Capital Wealth Planning, LLC1,400$259.7K0.00%−130−8.5%Reduced
Mission Creek Capital Partners, Inc.1,400$259.7K0.05%00.0%Unchanged
Klingenstein Fields & Co LP1,401$259.9K0.01%+6+0.4%Added
Foster Dykema Cabot & Partners, LLC1,403$260.3K0.02%−364−20.6%Reduced
Prestige Wealth Management Group LLC1,403$260.3K0.05%−100−6.7%Reduced
Rhumbline Advisers1,406$260.8K0.00%−931,131−99.8%Reduced
Sym Financial Corp1,410$261.6K0.03%+401+39.7%Added
Basecamp Wealth Advisors LLC1,410$261.6K0.06%+1,410New
International Assets Investment Management, LLC1,417$262.9K0.02%+1,417New
HCR Wealth Advisors1,418$263.1K0.03%+84+6.3%Added
Main Line Retirement Advisors, LLC1,421$263.7K0.13%+1+0.1%Added
Everett Harris & Co1,423$264.0K0.00%00.0%Unchanged
J.W. Cole Advisors, Inc.1,653$264.1K0.01%−406−19.7%Reduced
Synergy Investment Management, LLC1,426$264.6K0.09%00.0%Unchanged
Teza Capital Management LLC1,429$265.1K0.85%+1,429New
Carret Asset Management, LLC1,430$265.3K0.03%−150−9.5%Reduced
TigerOak Management, L.L.C.1,435$266.2K0.08%−25−1.7%Reduced
Bolthouse Investments, LLC1,436$266.4K0.24%00.0%Unchanged
Genesee Capital Advisors, LLC1,436$266.5K0.11%−997−41.0%Reduced
Parallax Volatility Advisers, L.P.1,444$267.9K0.01%+1,444New
Clear Creek Financial Management, LLC1,449$268.8K0.02%+72+5.2%Added
Sax Wealth Advisors, LLC1,450$268.9K0.01%+18+1.3%Added
Fayez Sarofim & Co1,450$269.0K0.00%00.0%Unchanged
National Asset Management, Inc.1,452$269.3K0.01%−30−2.0%Reduced
Wedbush Securities Inc1,459$271.0K0.01%+97+7.1%Added
Income Insurance Ltd1,466$272.0K0.18%+1,466New
PFS Partners, LLC1,470$272.8K0.13%00.0%Unchanged
KG&L Capital Management,LLC1,477$274.0K0.07%−2,762−65.2%Reduced
Main Street Financial Solutions, LLC1,479$274.4K0.02%−155−9.5%Reduced
D'Orazio & Associates, Inc.1,484$275.3K0.04%−518−25.9%Reduced
SmartHarvest Portfolios, LLC1,484$275.3K0.10%+1,484New
Natural Investments, LLC1,493$276.0K0.07%−5−0.3%Reduced
Cambient Family Office, LLC1,496$277.5K0.04%+1,496New
Genesis Private Wealth, LLC1,496$277.6K0.09%−110−6.8%Reduced
Sentry Investment Management LLC1,497$278.0K0.18%00.0%Unchanged
Johnson & White Wealth Management, LLC1,500$278.3K0.12%−20−1.3%Reduced
Yoffe Investment Management, LLC1,500$278.3K0.36%00.0%Unchanged
NBC Securities, Inc.1,500$278.3K0.02%+502+50.3%Added
Sentinus, LLC1,501$278.5K0.03%+1,501New
Drive Wealth Management, LLC1,502$278.7K0.05%+154+11.4%Added
Prelude Capital Management, LLC1,512$280.5K0.02%+1,512New
Daymark Wealth Partners, LLC1,516$281.2K0.01%+46+3.1%Added
Gladstone Institutional Advisory LLC1,516$281.3K0.01%−525−25.7%Reduced
Revisor Wealth Management LLC1,552$281.3K0.08%+137+9.7%Added
Drucker Wealth 3.0, LLC1,519$281.8K0.05%+36+2.4%Added
iA Global Asset Management Inc.1,520$282.0K0.00%00.0%Unchanged
FourThought Financial Partners, LLC1,521$282.2K0.02%+202+15.3%Added
J.E. Simmons & Co., P.C.1,524$282.7K0.18%+1,524New
TFB Advisors LLC1,530$283.8K0.08%−94−5.8%Reduced
Advisors Preferred, LLC1,557$284.1K0.05%+374+31.6%Added
Claro Advisors LLC1,535$284.7K0.04%+423+38.0%Added
Stiles Financial Services Inc1,537$285.1K0.09%+4+0.3%Added
IFC Advisors LLC1,541$285.9K0.04%+37+2.5%Added
New Republic Capital, LLC1,543$286.3K0.08%+1,543New
Ewa, LLC1,544$286.4K0.07%−194−11.2%Reduced
Wellington Grp LLC1,545$286.6K0.10%+1,545New
SlateStone Wealth, LLC1,549$287.0K0.02%+31+2.0%Added
TCI Wealth Advisors, Inc.1,550$287.6K0.02%−45−2.8%Reduced
St Germain D J Co Inc1,558$289.0K0.01%+119+8.3%Added
1015 Capital Partners, LLC1,567$290.7K0.29%+1,567New
Detalus Advisors, LLC1,580$293.1K0.07%00.0%Unchanged
Chesapeake Asset Management LLC1,585$294.0K0.24%−1,120−41.4%Reduced
Litman Gregory Asset Management LLC1,589$294.7K0.02%00.0%Unchanged
Eastern Bank1,602$297.2K0.01%−793−33.1%Reduced
MCF Advisors LLC1,605$297.8K0.02%−113−6.6%Reduced
GeoWealth Management, LLC1,606$298.0K0.01%−99−5.8%Reduced
Palisades Hudson Asset Management, L.P.1,607$298.0K0.12%00.0%Unchanged
TFR Capital, LLC.1,607$298.1K0.10%−44−2.7%Reduced
Mark Sheptoff Financial Planning, LLC1,609$298.5K0.14%00.0%Unchanged
Hall Laurie J Trustee1,610$298.7K0.10%00.0%Unchanged
Davis R M Inc1,618$300.2K0.01%+100+6.6%Added
Hibernia Wealth Partners, LLC1,619$300.3K0.09%+1,619New
Cane Capital Partners, LLC1,623$301.1K0.13%+1,623New
Waldron Private Wealth LLC1,626$301.7K0.01%−420−20.5%Reduced
SeaCrest Wealth Management, LLC1,673$306.0K0.03%+63+3.9%Added
Umpqua Bank1,651$306.3K0.09%−48−2.8%Reduced
Penobscot Investment Management Company, Inc.1,657$307.4K0.02%−785−32.1%Reduced
Meridian Wealth Advisors, LLC1,657$307.5K0.04%−22−1.3%Reduced
Legacy Financial Advisors, Inc.1,658$307.6K0.04%−464−21.9%Reduced
Investment Partners, Ltd.1,658$307.6K0.11%−46−2.7%Reduced
Bailard, Inc.1,663$308.5K0.01%+124+8.1%Added
RVW Wealth, LLC1,664$308.7K0.02%+20+1.2%Added