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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
Sivia Capital Partners, LLC1,680$338.6K0.10%+510+43.6%Added
StoneX Group Inc.1,682$339.0K0.01%+314+23.0%Added
Citizens Business Bank890$339.8K0.06%00.0%Unchanged
Reynders McVeigh Capital Management, LLC1,685$340.0K0.02%−25−1.5%Reduced
PFG Investments, LLC1,702$343.0K0.02%−52−3.0%Reduced
Investment Partners, Ltd.1,704$343.3K0.12%+8+0.5%Added
GeoWealth Management, LLC1,705$343.7K0.01%+125+7.9%Added
Willow Creek Wealth Management Inc.1,708$344.2K0.03%−146−7.9%Reduced
Douglass Winthrop Advisors, LLC1,710$344.6K0.01%+2+0.1%Added
Wealthspire Advisors, LLC1,715$345.5K0.00%−604−26.0%Reduced
VisionPoint Advisory Group, LLC1,715$345.6K0.07%−72−4.0%Reduced
MCF Advisors LLC1,718$346.2K0.02%+12+0.7%Added
Umpqua Bank1,699$346.3K0.10%−27−1.6%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,730$348.6K0.01%−163−8.6%Reduced
Boothbay Fund Management, LLC1,731$348.8K0.01%−2,063−54.4%Reduced
Lockerman Financial Group, Inc.1,735$349.7K0.44%+117+7.2%Added
Ewa, LLC1,738$350.3K0.10%−50−2.8%Reduced
Abner Herrman & Brock LLC1,750$353.0K0.04%+1,750New
Norris Perne & French LLP1,756$353.9K0.02%00.0%Unchanged
Summit Asset Management, LLC1,756$353.9K0.05%+1,756New
Foster Dykema Cabot & Partners, LLC1,767$356.1K0.02%00.0%Unchanged
Mayport, LLC1,774$357.5K0.08%+1+0.1%Added
New Hampshire Trust1,778$358.3K0.07%00.0%Unchanged
Wall Street Access Asset Management, LLC1,778$358.4K0.09%+1+0.1%Added
Dynamic Advisor Solutions LLC1,779$358.6K0.01%+34+1.9%Added
Financial Management Professionals, Inc.1,797$362.1K0.04%−44−2.4%Reduced
Private Wealth Asset Management, LLC1,798$362.4K0.04%+130+7.8%Added
Journey Advisory Group, LLC1,800$362.8K0.03%+100+5.9%Added
Guardian Wealth Advisors, LLC1,809$364.6K0.02%−4−0.2%Reduced
Chicago Partners Investment Group LLC1,997$365.1K0.01%+214+12.0%Added
LeClair Wealth Partners LLC1,820$366.8K0.23%00.0%Unchanged
Dillon & Associates Inc1,817$367.0K0.05%00.0%Unchanged
Savvy Advisors, Inc.1,821$367.0K0.02%−217−10.6%Reduced
Optas, LLC1,823$367.4K0.06%−175−8.8%Reduced
Opus Capital Group, LLC1,824$368.0K0.04%−102−5.3%Reduced
AGH Wealth Advisors, LLC1,829$368.6K0.27%−7−0.4%Reduced
Catalyst Financial Partners LLC1,830$368.8K0.04%−67−3.5%Reduced
Fukoku Mutual Life Insurance Co1,837$370.2K0.02%−148−7.5%Reduced
Capital Performance Advisors LLP1,837$370.2K0.06%+1,837New
Gilbert & Cook, Inc.1,846$372.0K0.05%00.0%Unchanged
Clarius Group, LLC1,851$373.0K0.02%−1,331−41.8%Reduced
Heritage Wealth Management, Inc.1,852$373.2K0.11%00.0%Unchanged
McElhenny Sheffield Capital Management, LLC1,869$376.7K0.09%−1,028−35.5%Reduced
Lombard Odier Asset Management (USA) Corp1,883$379.5K0.09%+1,883New
FSM Wealth Advisors, LLC1,891$381.1K0.05%+108+6.1%Added
Jacobi Capital Management LLC1,897$382.2K0.02%−13−0.7%Reduced
Joel Isaacson & Co., LLC1,902$383.3K0.01%00.0%Unchanged
Stokes Family Office, LLC1,910$384.9K0.04%+1,910New
Modera Wealth Management, LLC1,912$385.3K0.00%−185−8.8%Reduced
Acima Private Wealth, LLC1,917$386.3K0.12%+36+1.9%Added
Tower Bridge Advisors1,923$387.5K0.04%−200−9.4%Reduced
SageView Advisory Group, LLC1,928$388.7K0.01%+738+62.0%Added
Pine Valley Investments Ltd Liability Co1,930$388.9K0.02%+139+7.8%Added
Northstar Financial Companies, Inc.1,940$391.0K0.36%00.0%Unchanged
USA Financial Portformulas Corp1,943$391.6K0.07%−242−11.1%Reduced
Gratus Wealth Advisors, LLC1,946$392.2K0.06%00.0%Unchanged
CKW Financial Group1,952$393.0K0.04%+4+0.2%Added
Wallace Capital Management Inc.1,960$395.0K0.05%00.0%Unchanged
GEM Asset Management, LLC1,938$395.0K0.19%+1,938New
Keel Point, LLC1,963$395.6K0.02%−479−19.6%Reduced
Terril Brothers, Inc.1,999$402.9K0.12%+920+85.3%Added
S&CO Inc2,000$403.0K0.02%00.0%Unchanged
Kornitzer Capital Management Inc2,000$403.1K0.01%00.0%Unchanged
Hutchinson Capital Management2,000$403.1K0.07%00.0%Unchanged
D'Orazio & Associates, Inc.2,002$403.5K0.05%−284−12.4%Reduced
Stratos Wealth Partners, LTD.2,004$404.0K0.00%+76+3.9%Added
Nwam LLC2,108$404.8K0.02%+141+7.2%Added
Cynosure Management, LLC2,030$409.1K0.04%−21−1.0%Reduced
Merrion Investment Management Co, LLC2,031$409.3K0.23%00.0%Unchanged
Kessler Investment Group, LLC2,039$410.9K0.18%−3−0.1%Reduced
Gladstone Institutional Advisory LLC2,041$411.3K0.02%+172+9.2%Added
Stockman Wealth Management, Inc.2,045$412.1K0.05%00.0%Unchanged
Waldron Private Wealth LLC2,046$412.3K0.02%+420+25.8%Added
Talisman Wealth Advisors LLC2,048$412.8K0.34%00.0%Unchanged
J.W. Cole Advisors, Inc.2,059$414.9K0.01%−306−12.9%Reduced
Congress Asset Management Co2,087$420.6K0.00%00.0%Unchanged
Smith & Howard Wealth Management, LLC2,100$423.2K0.10%00.0%Unchanged
Rothschild Investment LLC2,105$424.2K0.02%+382+22.2%Added
Legacy Financial Advisors, Inc.2,122$427.7K0.06%+90+4.4%Added
Childress Capital Advisors, LLC2,127$428.7K0.08%+550+34.9%Added
WestHill Financial Advisors, Inc.2,132$429.7K0.08%00.0%Unchanged
Foundations Investment Advisors, LLC2,144$432.1K0.01%−2,050−48.9%Reduced
Cassaday & Co Wealth Management LLC2,153$433.9K0.01%+10+0.5%Added
Parsons Capital Management Inc2,173$437.9K0.02%00.0%Unchanged
Aprio Wealth Management, LLC2,182$439.7K0.04%−630−22.4%Reduced
David R. Rahn & Associates Inc.2,207$444.8K0.11%+2,207New
Cornerstone Advisory, LLC2,208$445.0K0.04%+146+7.1%Added
Blueshift Asset Management, LLC2,212$445.8K0.14%−36−1.6%Reduced
GAM Holding AG2,212$445.8K0.03%+2,212New
Fielder Capital Group LLC2,218$446.9K0.10%+11+0.5%Added
Procyon Private Wealth Partners, LLC2,223$448.0K0.03%+64+3.0%Added
Clarkston Capital Partners, LLC2,225$448.4K0.01%00.0%Unchanged
Walter & Keenan Financial Consulting Co2,233$450.0K0.12%−319−12.5%Reduced
Reliant Investment Management, LLC2,236$450.6K0.17%−175−7.3%Reduced
Intellus Advisors LLC2,241$451.6K0.06%00.0%Unchanged
Eads & Heald Wealth Management2,263$456.0K0.22%−122−5.1%Reduced
Andina Capital Management, LLC2,272$457.9K0.26%+188+9.0%Added
Alta Advisers Ltd2,278$459.1K0.14%00.0%Unchanged
Ridgewood Investments LLC2,284$460.3K0.19%+2,091+1,083.4%Added
Gsa Capital Partners LLP2,289$461.0K0.04%−109−4.5%Reduced