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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
Hughes Financial Services, LLC55$10.2K0.00%+13+31.0%Added
Richards, Merrill & Peterson, Inc.59$10.9K0.00%+59New
Reyes Financial Architecture, Inc.60$11.1K0.01%+60New
Osbon Capital Management LLC61$11.3K0.01%+61New
Pflug Koory, LLC61$11.3K0.01%00.0%Unchanged
Copia Wealth Management62$11.5K0.01%00.0%Unchanged
Navigoe, LLC70$12.0K0.01%00.0%Unchanged
Field & Main Bank65$12.1K0.00%00.0%Unchanged
North Star Investment Management Corp.66$12.2K0.00%+45+214.3%Added
American National Bank67$12.4K0.00%+34+103.0%Added
Abound Wealth Management70$12.9K0.00%00.0%Unchanged
Ares Financial Consulting, LLC70$13.0K0.01%+70New
Avion Wealth73$13.0K0.00%−9−11.0%Reduced
1248 Management, LLC72$13.4K0.01%00.0%Unchanged
GHP Investment Advisors, Inc.72$13.4K0.00%00.0%Unchanged
Westfuller Advisors, LLC73$13.5K0.01%−21−22.3%Reduced
IMG Wealth Management, Inc.74$13.7K0.01%+19+34.5%Added
Kilter Group LLC74$13.7K0.01%+34+85.0%Added
Greenline Wealth Management LLC75$13.9K0.01%+75New
Align Financial, LLC13,914$13.9K0.01%+13,914New
Ogorek Anthony Joseph79$14.0K0.00%−14−15.1%Reduced
Aspect Partners, LLC76$14.1K0.01%+5+7.0%Added
Highline Wealth Partners LLC76$14.1K0.00%+35+85.4%Added
Signature Equity Partners, LLC78$14.4K0.01%+78New
Boreal Capital Management LLC83$15.4K0.01%00.0%Unchanged
Mascoma Wealth Management LLC85$15.8K0.00%+7+9.0%Added
McGuire Capital Advisors Inc89$16.5K0.01%+89New
Moisand Fitzgerald Tamayo, LLC89$16.5K0.00%00.0%Unchanged
United Community Bank90$16.7K0.01%00.0%Unchanged
Stephenson National Bank & Trust90$16.7K0.00%+16+21.6%Added
Lloyd Advisory Services, LLC.91$16.9K0.01%+91New
Raffa Wealth Management, LLC92$17.1K0.00%+43+87.8%Added
Truvestments Capital LLC93$17.3K0.00%+5+5.7%Added
WealthCollab, LLC95$17.6K0.01%00.0%Unchanged
TD Capital Management LLC100$18.5K0.00%−67−40.1%Reduced
Colonial Trust Advisors100$18.6K0.00%00.0%Unchanged
Curat Global, LLC100$18.6K0.02%00.0%Unchanged
Chung Wu Investment Group, LLC102$18.9K0.02%00.0%Unchanged
Garton & Associates Financial Advisors LLC103$19.0K0.01%+103New
Legacy Wealth Managment, LLC103$19.1K0.01%+85+472.2%Added
Cape Investment Advisory, Inc.103$19.1K0.01%+103New
Howard Hughes Medical Institute106$19.7K0.01%00.0%Unchanged
High Note Wealth, LLC107$19.9K0.00%+16+17.6%Added
Key Financial Inc111$20.6K0.00%00.0%Unchanged
New Age Alpha Advisors, LLC112$20.8K0.00%−1,105−90.8%Reduced
Meeder Asset Management Inc114$21.1K0.00%+1+0.9%Added
Entrust Financial LLC116$21.5K0.02%+116New
Fortitude Family Office, LLC118$21.9K0.01%−135−53.4%Reduced
Clal Insurance Enterprises Holdings Ltd125$23.0K0.00%+82+190.7%Added
LRI Investments, LLC125$23.2K0.00%00.0%Unchanged
Piscataqua Savings Bank129$23.9K0.02%00.0%Unchanged
Aventus Investment Advisors, Inc.130$24.1K0.02%00.0%Unchanged
Solstein Capital, LLC135$25.0K0.01%00.0%Unchanged
Essential Investment Partners LLC135$25.0K0.02%+135New
SHP Wealth Management138$25.7K0.00%+138New
Kerr Financial Planning Corp141$26.7K0.04%−9−6.0%Reduced
Golden State Wealth Management, LLC146$27.3K0.00%00.0%Unchanged
Delos Wealth Advisors, LLC148$27.5K0.02%00.0%Unchanged
Atlas Capital Advisors LLC151$28.0K0.00%+151New
Bell Investment Advisors, Inc154$28.6K0.00%−38−19.8%Reduced
Pinnacle Bancorp, Inc.155$28.8K0.01%+33+27.0%Added
City Holding Co157$29.1K0.00%+157New
Swiss Re Ltd159$29.5K0.00%+159New
Canton Hathaway, LLC164$30.4K0.01%00.0%Unchanged
Ameriflex Group, Inc.172$31.9K0.02%−240−58.3%Reduced
Capital Analysts, LLC171$32.0K0.00%00.0%Unchanged
Albion Financial Group180$33.4K0.00%−12−6.3%Reduced
Asset Dedication, LLC180$33.4K0.00%+26+16.9%Added
Bayban181$33.6K0.03%+181New
Frazier Financial Advisors, LLC181$33.6K0.02%00.0%Unchanged
Elyxium Wealth, LLC183$33.9K0.01%+183New
Rogco, LP183$34.0K0.01%00.0%Unchanged
First United Bank Trust185$34.3K0.01%−31−14.4%Reduced
Oakworth Capital, Inc.186$34.5K0.00%+101+118.8%Added
First Pacific Financial189$35.0K0.00%+1+0.5%Added
Stone House Investment Management, LLC190$35.2K0.01%−10−5.0%Reduced
Navalign, LLC191$35.5K0.01%+191New
Clean Yield Group193$35.8K0.01%00.0%Unchanged
Kemnay Advisory Services Inc.195$36.2K0.01%+195New
Sankala Group LLC199$37.2K0.03%+199New
CBIZ Investment Advisory Services, LLC201$37.3K0.00%+126+168.0%Added
Loomis Sayles & Co L P202$37.5K0.00%−7−3.3%Reduced
Activest Wealth Management204$37.8K0.01%+193+1,754.5%Added
Covestor Ltd206$38.0K0.02%−22−9.6%Reduced
Hanson & Doremus Investment Management206$38.0K0.00%−8−3.7%Reduced
Bangor Savings Bank206$38.2K0.00%00.0%Unchanged
MidFirst Bank219$40.6K0.00%+219New
Rialto Wealth Management, LLC223$41.4K0.01%+212+1,927.3%Added
University of Texas/Texas Am Investment Managment Co243$45.1K0.01%+243New
Westside Investment Management, Inc.251$45.8K0.01%+3+1.2%Added
Volterra Technologies LP249$46.2K0.05%+249New
Trifecta Capital Advisors, LLC250$46.4K0.01%−39−13.5%Reduced
ZRC Wealth Management, LLC252$46.8K0.02%−6−2.3%Reduced
Sarver Vrooman Wealth Advisors262$48.6K0.03%−7−2.6%Reduced
Pension & Wealth Management Advisors, Inc.264$49.0K0.01%00.0%Unchanged
CoreCap Advisors, LLC266$49.3K0.00%+11+4.3%Added
JFS Wealth Advisors, LLC266$49.3K0.00%+103+63.2%Added
Cornerstone Planning Group LLC277$49.4K0.01%−27−8.9%Reduced
J.Safra Asset Management Corp267$49.5K0.00%+267New
Migdal Insurance & Financial Holdings Ltd.273$51.0K0.00%+273New