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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
Salem Investment Counselors Inc56$11.3K0.00%−20−26.3%Reduced
Wealth Watch Advisors, INC60$12.1K0.00%+60New
Pflug Koory, LLC61$12.3K0.01%00.0%Unchanged
West Branch Capital LLC61$12.3K0.00%+57+1,425.0%Added
Perritt Capital Management Inc61$12.3K0.01%00.0%Unchanged
Copia Wealth Management62$12.5K0.01%00.0%Unchanged
Field & Main Bank65$13.1K0.00%00.0%Unchanged
Navigoe, LLC70$14.0K0.01%+70New
Abound Wealth Management70$14.0K0.00%00.0%Unchanged
Aspect Partners, LLC71$14.3K0.01%+1+1.4%Added
1248 Management, LLC72$14.5K0.01%−4,372−98.4%Reduced
GHP Investment Advisors, Inc.72$14.5K0.00%−4−5.3%Reduced
Stephenson National Bank & Trust74$14.9K0.00%+3+4.2%Added
CBIZ Investment Advisory Services, LLC75$15.1K0.00%+30+66.7%Added
North Capital, Inc.76$15.3K0.01%+1+1.3%Added
Mascoma Wealth Management LLC78$15.7K0.00%00.0%Unchanged
Avion Wealth82$16.0K0.00%+17+26.2%Added
Crewe Advisors LLC80$16.1K0.00%00.0%Unchanged
SJS Investment Consulting Inc.82$16.5K0.00%+69+530.8%Added
Boreal Capital Management LLC83$16.7K0.01%+47+130.6%Added
Oakworth Capital, Inc.85$17.1K0.00%00.0%Unchanged
Murphy & Mullick Capital Management Corp88$17.7K0.01%00.0%Unchanged
Truvestments Capital LLC88$17.7K0.00%+88New
Moisand Fitzgerald Tamayo, LLC89$17.9K0.00%00.0%Unchanged
Ogorek Anthony Joseph93$18.0K0.01%−6−6.1%Reduced
DT Investment Partners, LLC90$18.1K0.00%00.0%Unchanged
Bank of Jackson Hole Trust90$18.1K0.01%00.0%Unchanged
United Community Bank90$18.1K0.01%+19+26.8%Added
High Note Wealth, LLC91$18.3K0.00%00.0%Unchanged
Palisade Asset Management, LLC91$18.3K0.00%+91New
Westfuller Advisors, LLC94$18.9K0.01%+94New
WealthCollab, LLC95$19.1K0.01%00.0%Unchanged
Colonial Trust Advisors100$20.2K0.00%00.0%Unchanged
Curat Global, LLC100$20.2K0.02%00.0%Unchanged
Chung Wu Investment Group, LLC102$20.6K0.02%00.0%Unchanged
Accent Capital Management, LLC104$21.0K0.01%00.0%Unchanged
Howard Hughes Medical Institute106$21.4K0.01%00.0%Unchanged
Private Wealth Management Group, LLC109$22.0K0.01%−2−1.8%Reduced
Key Financial Inc111$22.3K0.00%+5+4.7%Added
Tortoise Investment Management, LLC112$22.6K0.00%−188−62.7%Reduced
Meeder Asset Management Inc113$22.8K0.00%−214−65.4%Reduced
Cherry Tree Wealth Management, LLC122$24.6K0.01%00.0%Unchanged
Pinnacle Bancorp, Inc.122$24.6K0.01%+122New
LRI Investments, LLC125$25.2K0.00%−129−50.8%Reduced
Piscataqua Savings Bank129$26.0K0.02%00.0%Unchanged
Aventus Investment Advisors, Inc.130$26.2K0.02%00.0%Unchanged
NVWM, LLC132$26.6K0.01%−7−5.0%Reduced
Solstein Capital, LLC135$27.2K0.01%−40−22.9%Reduced
Kerr Financial Planning Corp150$27.4K0.04%+150New
Golden State Wealth Management, LLC146$29.5K0.00%00.0%Unchanged
Delos Wealth Advisors, LLC148$29.8K0.02%00.0%Unchanged
Indiana Trust & Investment Management CO151$30.4K0.01%00.0%Unchanged
Asset Dedication, LLC154$31.0K0.00%00.0%Unchanged
Financial Life Planners157$31.7K0.02%+157New
TruNorth Capital Management, LLC158$31.8K0.01%+158New
Dogwood Wealth Management LLC159$32.0K0.01%−1,695−91.4%Reduced
JFS Wealth Advisors, LLC163$32.9K0.00%+3+1.9%Added
Canton Hathaway, LLC164$33.0K0.01%00.0%Unchanged
TD Capital Management LLC167$33.6K0.00%+1+0.6%Added
Capital Analysts, LLC171$34.0K0.00%+1+0.6%Added
JPL Wealth Management, LLC173$34.9K0.01%+173New
Clear Investment Research, LLC173$35.1K0.05%+34+24.5%Added
Frazier Financial Advisors, LLC181$36.5K0.02%−1−0.5%Reduced
FSA Wealth Management LLC182$36.7K0.01%00.0%Unchanged
Rogco, LP183$36.9K0.01%00.0%Unchanged
Capital Advisors, Ltd. LLC182$37.0K0.00%−50−21.6%Reduced
First Pacific Financial188$37.9K0.01%+1+0.5%Added
Bell Investment Advisors, Inc192$38.7K0.01%−4−2.0%Reduced
Albion Financial Group192$38.7K0.00%+12+6.7%Added
Clean Yield Group193$38.9K0.01%00.0%Unchanged
Stone House Investment Management, LLC200$40.2K0.01%−6−2.9%Reduced
Bangor Savings Bank206$41.5K0.00%00.0%Unchanged
Loomis Sayles & Co L P209$42.1K0.00%+4+2.0%Added
Hanson & Doremus Investment Management214$43.0K0.01%+51+31.3%Added
First United Bank Trust216$43.5K0.01%00.0%Unchanged
Covestor Ltd228$46.0K0.03%−11−4.6%Reduced
Transamerica Financial Advisors, Inc.231$46.5K0.00%+229+11,450.0%Added
Nemes Rush Group LLC235$47.3K0.00%+1+0.4%Added
GW&K Investment Management, LLC240$48.0K0.00%−38−13.7%Reduced
Westside Investment Management, Inc.248$49.9K0.01%+109+78.4%Added
Tompkins Financial Corp249$50.2K0.00%−253−50.4%Reduced
Addison Advisors LLC251$50.6K0.01%−130−34.1%Reduced
Fortitude Family Office, LLC253$51.0K0.01%00.0%Unchanged
CoreCap Advisors, LLC255$51.4K0.00%−46−15.3%Reduced
ZRC Wealth Management, LLC258$51.9K0.02%+21+8.9%Added
Pension & Wealth Management Advisors, Inc.264$53.2K0.02%00.0%Unchanged
Sarver Vrooman Wealth Advisors269$54.2K0.03%00.0%Unchanged
Cornerstone Planning Group LLC304$54.2K0.01%+9+3.1%Added
UMA Financial Services, Inc.275$55.4K0.01%+2+0.7%Added
Motco284$57.2K0.01%−114−28.6%Reduced
Perkins Coie Trust Co286$57.6K0.01%00.0%Unchanged
Rise Advisors, LLC288$58.0K0.02%+7+2.5%Added
Trifecta Capital Advisors, LLC289$58.2K0.01%00.0%Unchanged
Dunhill Financial, LLC289$58.3K0.02%−2−0.7%Reduced
Webster Bank, N. A.297$59.9K0.01%−31−9.5%Reduced
General Partner, Inc.298$60.1K0.03%00.0%Unchanged
Chelsea Counsel Co300$60.5K0.03%00.0%Unchanged
South State Corp.301$60.7K0.00%−141−31.9%Reduced
S&T Bank305$61.5K0.02%00.0%Unchanged
HighMark Wealth Management LLC308$62.0K0.03%00.0%Unchanged