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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
Triumph Capital Management275$51.1K0.01%+275New
Motco284$52.7K0.00%00.0%Unchanged
Perkins Coie Trust Co286$53.1K0.01%00.0%Unchanged
Meramec Financial Planners, LLC288$53.2K0.02%+288New
Dunhill Financial, LLC290$53.8K0.01%+1+0.3%Added
Webster Bank, N. A.297$55.1K0.01%00.0%Unchanged
General Partner, Inc.298$55.3K0.03%00.0%Unchanged
Plante Moran Financial Advisors, LLC300$55.7K0.00%−12−3.8%Reduced
Chelsea Counsel Co300$55.7K0.02%00.0%Unchanged
Heritage Wealth Advisors303$56.2K0.00%−21−6.5%Reduced
S&T Bank305$56.6K0.02%00.0%Unchanged
GW&K Investment Management, LLC305$57.0K0.00%+65+27.1%Added
HighMark Wealth Management LLC308$57.1K0.02%00.0%Unchanged
True Wealth Design, LLC313$58.1K0.02%−184−37.0%Reduced
Glen Eagle Advisors, LLC325$60.4K0.01%+12+3.8%Added
Tompkins Financial Corp327$60.7K0.00%+78+31.3%Added
Sound Income Strategies, LLC333$60.7K0.00%+10+3.1%Added
WPG Advisers, LLC328$60.9K0.05%−168−33.9%Reduced
Princeton Global Asset Management LLC331$61.4K0.01%−7,899−96.0%Reduced
Dougherty Wealth Advisers LLC334$62.0K0.04%00.0%Unchanged
Keating Financial Advisory Services, Inc.341$63.3K0.01%+341New
ORG Partners LLC348$64.6K0.01%+37+11.9%Added
Aventura Private Wealth, LLC351$65.1K0.02%−20−5.4%Reduced
Purpose Unlimited Inc.354$65.7K0.00%+354New
Raleigh Capital Management Inc.358$66.4K0.02%−11−3.0%Reduced
Silvant Capital Management LLC358$66.4K0.00%00.0%Unchanged
DT Investment Partners, LLC362$67.2K0.01%+272+302.2%Added
Acumen Wealth Advisors, LLC368$68.3K0.02%+368New
Transamerica Financial Advisors, Inc.369$68.4K0.01%+138+59.7%Added
Nemes Rush Group LLC371$68.8K0.01%+136+57.9%Added
Geneos Wealth Management Inc.373$69.2K0.00%+45+13.7%Added
Cornerstone National Bank & Trust Co375$69.6K0.03%00.0%Unchanged
Addison Advisors LLC380$70.5K0.02%+129+51.4%Added
Caldwell Sutter Capital, Inc.382$70.9K0.03%+65+20.5%Added
South State Corp.385$71.4K0.00%+84+27.9%Added
DAGCO, Inc.398$73.9K0.02%+15+3.9%Added
Minot DeBlois Advisors LLC400$74.2K0.07%00.0%Unchanged
Riverview Trust Co400$74.2K0.09%00.0%Unchanged
Morse Asset Management, Inc405$75.1K0.02%00.0%Unchanged
Lodestone Wealth Management LLC406$75.3K0.03%+406New
New England Capital Financial Advisors LLC408$75.6K0.03%00.0%Unchanged
DHJJ Financial Advisors, Ltd.410$76.1K0.03%00.0%Unchanged
GF Fund Management Co. Ltd.415$77.0K0.00%00.0%Unchanged
Sachetta, LLC422$78.4K0.04%−22−5.0%Reduced
Annis Gardner Whiting Capital Advisors, LLC423$78.5K0.01%−277−39.6%Reduced
Kozak & Associates, Inc.427$79.3K0.02%00.0%Unchanged
Pittenger & Anderson Inc429$79.6K0.00%00.0%Unchanged
UMA Financial Services, Inc.439$81.4K0.01%+164+59.6%Added
Richardson Financial Services Inc.406$82.9K0.05%−1−0.2%Reduced
Maseco LLP448$83.2K0.00%+448New
Islay Capital Management, LLC450$83.5K0.05%00.0%Unchanged
Hara Capital LLC453$84.0K0.05%00.0%Unchanged
Merrithew & Thorsten Inc458$85.0K0.09%+458New
Salomon & Ludwin, LLC456$85.4K0.01%+14+3.2%Added
Jackson, Grant Investment Advisers, Inc.465$86.3K0.03%+2+0.4%Added
Harbor Investment Advisory, LLC474$87.9K0.01%+15+3.3%Added
SBI Securities Co., Ltd.476$88.3K0.00%+16+3.5%Added
Reflection Asset Management479$88.9K0.06%+479New
Anchor Investment Management, LLC529$98.2K0.01%00.0%Unchanged
Root Financial Partners, LLC534$99.0K0.01%−89−14.3%Reduced
USA Financial Portformulas Corp536$99.4K0.02%−1,407−72.4%Reduced
Mowery & Schoenfeld Wealth Management, LLC539$99.9K0.14%−22−3.9%Reduced
Johnson Financial Group, Inc.543$100.7K0.00%−20−3.6%Reduced
Manning & Napier Advisors LLC548$101.7K0.00%00.0%Unchanged
Wealth Enhancement Trust Services, Inc.559$103.7K0.01%+559New
Colonial Trust Co560$103.9K0.01%−922−62.2%Reduced
Caden Capital Partners, LP561$104.1K0.23%+561New
REAP Financial Group, LLC568$105.3K0.02%+90+18.8%Added
Union Savings Bank569$105.6K0.05%+569New
Leonteq Securities AG582$108.0K0.01%−2,506−81.2%Reduced
Bruce G. Allen Investments, LLC583$108.2K0.07%−156−21.1%Reduced
Atlantic Trust, LLC593$110.0K0.02%−247−29.4%Reduced
Washington Trust Advisors, Inc.598$110.9K0.01%+9+1.5%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA610$113.2K0.03%00.0%Unchanged
Rosenberg Matthew Hamilton611$113.4K0.02%00.0%Unchanged
Basepoint Wealth LLC622$115.5K0.07%+622New
HHM Wealth Advisors, LLC666$123.6K0.01%−334−33.4%Reduced
Pacific Center for Financial Services615$123.9K0.03%00.0%Unchanged
Lavaca Capital LLC700$129.9K0.02%00.0%Unchanged
Cohen & Steers, Inc.700$130.0K0.00%00.0%Unchanged
Independence Bank of Kentucky721$133.8K0.02%−75−9.4%Reduced
eCIO, Inc.724$134.3K0.06%+724New
Clear Street Markets LLC728$135.1K0.02%−119−14.0%Reduced
Park Place Capital Corp745$138.2K0.03%+148+24.8%Added
Central Trust Co775$143.7K0.00%−557−41.8%Reduced
Clayton Financial Group LLC791$146.7K0.07%00.0%Unchanged
Sava Infond d.o.o.800$148.4K0.02%00.0%Unchanged
Quent Capital, LLC830$154.0K0.01%+205+32.8%Added
Spire Wealth Management831$154.2K0.01%−8,170−90.8%Reduced
Osterweis Capital Management Inc841$156.0K0.01%00.0%Unchanged
DV Equities, LLC883$163.8K0.03%+883New
Quarry LP902$167.3K0.03%+577+177.5%Added
CVA Family Office, LLC946$175.5K0.02%−20−2.1%Reduced
Dixon Mitchell Investment Counsel Inc.948$175.9K0.01%+948New
ORG Wealth Partners, LLC959$177.9K0.04%−450−31.9%Reduced
Evelyn Partners Investment Management Services Ltd968$179.6K0.02%+548+130.5%Added
Bogart Wealth, LLC976$181.1K0.01%+6+0.6%Added
Horizon Bancorp Inc988$183.0K0.09%−71−6.7%Reduced
Paradigm Asset Management Co LLC1,000$185.5K0.04%−100−9.1%Reduced
MV Capital Management, Inc.1,023$189.8K0.02%+3+0.3%Added