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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
Versant Capital Management, Inc1,039$192.8K0.02%+339+48.4%Added
Flagship Harbor Advisors, LLC1,044$193.8K0.01%−182−14.8%Reduced
Baron Wealth Management LLC1,081$200.5K0.06%−142−11.6%Reduced
Five Oceans Advisors1,092$202.6K0.07%−70−6.0%Reduced
Tandem Investment Advisors, Inc.1,096$203.3K0.01%+1,096New
Biltmore Family Office, LLC1,097$203.5K0.03%+1,097New
Burke & Herbert Bank & Trust Co1,097$203.5K0.06%+1,097New
Bulltick Wealth Management, LLC1,102$204.4K0.04%+1,102New
Red Door Wealth Management, LLC1,105$205.0K0.02%−8−0.7%Reduced
Atala Financial Inc1,281$205.1K0.13%−10−0.8%Reduced
Asset Allocation & Management Company, LLC1,111$206.0K0.08%00.0%Unchanged
Vantus Wealth LLC1,121$208.0K0.15%+1,121New
Perpetual Ltd1,122$208.2K0.00%+1,122New
Kingswood Wealth Advisors, LLC1,126$208.9K0.01%−143−11.3%Reduced
Angeles Wealth Management, LLC1,126$208.9K0.01%+1,126New
Resources Management Corp1,125$209.0K0.03%00.0%Unchanged
BIP Wealth, LLC1,127$209.0K0.01%−72−6.0%Reduced
Strategic Wealth Partners, Ltd.1,130$209.6K0.01%−150−11.7%Reduced
Trust Co of Vermont1,130$209.6K0.01%−143−11.2%Reduced
Grove Bank & Trust1,132$210.0K0.02%−53−4.5%Reduced
AlphaGrep UK Ltd1,135$210.6K0.07%+1,135New
Wesbanco Bank Inc1,136$210.8K0.01%−404−26.2%Reduced
Waddell & Associates, LLC1,139$211.3K0.01%+1,139New
Sound View Wealth Advisors Group, LLC1,139$211.3K0.01%+1,139New
Nations Financial Group Inc,1,147$212.8K0.01%+1,147New
Cornerstone Wealth Group, LLC1,149$213.2K0.01%−109−8.7%Reduced
Fi3 FINANCIAL ADVISORS, LLC1,153$214.0K0.07%+1,153New
Interchange Capital Partners, LLC1,155$214.3K0.04%+102+9.7%Added
True North Advisors, LLC1,155$214.3K0.03%+1,155New
Avestar Capital, LLC1,158$214.8K0.01%−1,495−56.4%Reduced
Hollencrest Capital Management1,158$214.8K0.01%−164−12.4%Reduced
Paragon Private Wealth Management, LLC1,162$215.7K0.07%−16−1.4%Reduced
Palumbo Wealth Management LLC1,164$216.0K0.05%+1,164New
Ariadne Wealth Management, LP1,247$216.1K0.09%+1,247New
Ariston Services Group1,168$216.7K0.13%00.0%Unchanged
Woodward Diversified Capital, LLC1,171$217.3K0.10%+4+0.3%Added
Westover Capital Advisors, LLC1,174$217.8K0.04%−12−1.0%Reduced
Benchmark Financial Wealth Advisors, LLC1,175$218.0K0.06%+3+0.3%Added
Prosperity Financial Group, Inc.1,176$218.2K0.08%−4,122−77.8%Reduced
Golden State Equity Partners1,176$218.2K0.04%+166+16.4%Added
Tyche Wealth Partners LLC1,177$218.3K0.03%00.0%Unchanged
Braun-Bostich & Associates Inc.1,180$218.9K0.14%−52−4.2%Reduced
Palisade Capital Management LLC1,184$219.7K0.01%+1,184New
Northside Capital Management, LLC1,185$219.8K0.02%00.0%Unchanged
Rossmore Private Capital1,193$221.3K0.02%−120−9.1%Reduced
Essential Partners LLC1,196$221.9K0.07%−141−10.5%Reduced
Pointe Capital Management LLC1,197$222.1K0.11%−195−14.0%Reduced
AdvisorNet Financial, Inc1,198$222.3K0.01%+145+13.8%Added
Haverford Trust Co1,199$222.4K0.00%+1,199New
Diligent Investors, LLC1,200$222.6K0.05%−150−11.1%Reduced
Granite FO LLC1,200$222.6K0.12%00.0%Unchanged
Patton Fund Management, Inc.1,200$222.6K0.03%+196+19.5%Added
Pathway Financial Advisors LLC1,200$222.6K0.03%00.0%Unchanged
Kovack Advisors, Inc.1,202$223.1K0.01%+1,202New
Pursuit Wealth Management LLC1,210$224.6K0.19%+1,210New
New England Professional Planning Group Inc.1,211$224.7K0.09%−50−4.0%Reduced
Stratos Wealth Advisors, LLC1,219$226.3K0.01%−48−3.8%Reduced
Eagle Harbor Asset Management Inc1,229$228.0K0.19%+1,229New
Duncan Williams Asset Management, LLC1,204$228.4K0.06%+2+0.2%Added
Opal Wealth Advisors, LLC1,234$228.9K0.06%+1,234New
CSS LLC1,240$230.0K0.01%+1,240New
First Nebraska Trust Co1,245$231.0K0.02%00.0%Unchanged
Diversified Enterprises, LLC1,245$231.0K0.01%+1,245New
Stonebridge Financial Group, LLC1,246$231.2K0.20%+1,246New
TownSquare Capital, LLC1,249$231.7K0.05%+92+8.0%Added
Millstone Evans Group, LLC1,252$232.3K0.14%−73−5.5%Reduced
Twin Focus Capital Partners, LLC1,253$232.5K0.03%00.0%Unchanged
Lewis Asset Management, LLC1,255$232.8K0.09%−97−7.2%Reduced
YHB Investment Advisors, Inc.1,256$233.0K0.02%00.0%Unchanged
COFG Advisors, LLC1,260$233.8K0.06%+1,260New
OneAscent Family Office, LLC1,261$233.9K0.16%+1,261New
Great Lakes Advisors, LLC1,262$234.1K0.00%−205−14.0%Reduced
Cahaba Wealth Management, Inc.1,263$234.4K0.02%+2+0.2%Added
Harbour Investments, Inc.1,264$234.5K0.00%−131−9.4%Reduced
Kinloch Capital, LLC1,265$234.7K0.10%+13+1.0%Added
Goldstein Advisors, LLC1,265$234.7K0.03%+145+12.9%Added
Parthenon LLC1,269$235.4K0.03%00.0%Unchanged
Amplius Wealth Advisors, LLC1,269$235.4K0.02%+20+1.6%Added
Nichols & Pratt Advisers LLP1,277$236.9K0.01%00.0%Unchanged
Catalytic Wealth RIA, LLC1,281$237.7K0.01%−4,872−79.2%Reduced
Vestor Capital, LLC974$238.0K0.02%−308−24.0%Reduced
Cornerstone Wealth Management, LLC1,286$238.5K0.01%+1,286New
Ancora Advisors, LLC1,294$240.1K0.00%+320+32.9%Added
Sterling Group Wealth Management, LLC1,302$241.5K0.12%00.0%Unchanged
Modern Wealth Management, LLC1,303$241.8K0.00%+244+23.0%Added
Mather Group, LLC.1,305$242.1K0.00%−356−21.4%Reduced
Signature Estate & Investment Advisors LLC1,305$242.2K0.00%−21−1.6%Reduced
Capital Performance Advisors LLP1,306$242.4K0.02%−531−28.9%Reduced
Proficio Capital Partners LLC1,307$242.5K0.02%−37−2.8%Reduced
Intellectus Partners, LLC1,313$243.6K0.05%+1,313New
Stronghold Wealth Management L.L.C.1,317$244.3K0.36%+1,317New
Old National Bancorp1,319$244.7K0.00%−266−16.8%Reduced
Acorn Creek Capital LLC1,320$244.9K0.09%−51−3.7%Reduced
QTR Family Wealth, LLC1,397$244.9K0.11%+1,397New
Gerber Kawasaki Wealth & Investment Management1,322$245.3K0.01%+6+0.5%Added
Blalock Williams, LLC1,324$245.5K0.20%−12−0.9%Reduced
Texas Yale Capital Corp.1,325$245.8K0.01%+1,325New
RFG Advisory, LLC1,328$246.4K0.00%−12−0.9%Reduced
Avidian Wealth Solutions, LLC1,330$246.7K0.01%+153+13.0%Added
Parkside Financial Bank & Trust1,330$246.7K0.02%−108−7.5%Reduced