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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, Q1 2026

Institutional positions in Marsh & McLennan Companies, Inc. as of Mar 31, 2026. 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
1,548
−24 vs. Q4 2025
Shares held
438.9M
+59.3M (+15.6%) vs. Q4 2025
Total value
$76.1B
+$5.70B (+8.1%) vs. Q4 2025
New holders
142
614 more added
Sold out
166
579 more reduced

22 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,548 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 heldQ1 2026: $76.1B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q4 2025.

Institutions holding MRSH in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Tema ETFs LLC9,159$1.59M0.11%+42+0.5%Added
Wealth Alliance9,088$1.58M0.16%−914−9.1%Reduced
Regions Financial Corp9,076$1.57M0.01%+261+3.0%Added
Front Row Advisors LLC9,065$1.57M0.53%00.0%Unchanged
Pictet Bank & Trust Ltd9,054$1.57M2.06%−495−5.2%Reduced
RMR Wealth Builders9,024$1.57M0.12%−89−1.0%Reduced
Tealwood Asset Management Inc8,924$1.55M0.70%+69+0.8%Added
Ledyard National Bank8,888$1.54M0.13%+527+6.3%Added
Impact Capital Partners LLC8,870$1.54M0.47%−20−0.2%Reduced
WSFS Capital Management, LLC8,819$1.53M0.07%−16−0.2%Reduced
Mitchell Sinkler & Starr8,811$1.53M0.71%+8,811New
EverSource Wealth Advisors, LLC8,809$1.53M0.05%+2,545+40.6%Added
Longfellow Investment Management Co LLC8,803$1.53M0.32%+2,860+48.1%Added
Connor, Clark & Lunn Investment Management Ltd.8,768$1.52M0.00%−5,543−38.7%Reduced
Grimes & Company, Inc.8,758$1.52M0.04%−125−1.4%Reduced
Tounjian Advisory Partners, LLC8,756$1.52M0.55%−322−3.5%Reduced
ExodusPoint Capital Management, LP8,718$1.51M0.02%−174,903−95.3%Reduced
Smartleaf Asset Management LLC8,641$1.51M0.05%+73+0.9%Added
Clearstead Advisors, LLC8,647$1.50M0.01%−1,361−13.6%Reduced
Bowen Hanes & Co Inc8,636$1.50M0.04%−275−3.1%Reduced
Pinnacle Wealth Management Advisory Group, LLC8,601$1.49M0.10%+2,700+45.8%Added
Moody National Bank Trust Division8,596$1.49M0.14%+22+0.3%Added
Harbor Capital Advisors, Inc.8,582$1.49M0.12%+8,582New
Bokf, NA8,529$1.48M0.02%−70−0.8%Reduced
Storen Legacy Partners, LLC8,507$1.48M0.46%+8+0.1%Added
Summit Financial, LLC8,490$1.47M0.02%−2,084−19.7%Reduced
Farther Finance Advisors, LLC8,552$1.47M0.01%+392+4.8%Added
Equitable Trust Co8,427$1.46M0.07%+887+11.8%Added
Delap Wealth Advisory, LLC8,349$1.45M0.54%00.0%Unchanged
Shelton Capital Management8,339$1.45M0.03%−75−0.9%Reduced
Greenleaf Trust8,228$1.43M0.01%−1,185−12.6%Reduced
Polymer Capital Management (US) LLC8,133$1.41M0.21%+1,924+31.0%Added
Dumont & Blake Investment Advisors LLC8,098$1.40M0.35%−99−1.2%Reduced
GAMMA Investing LLC8,072$1.40M0.07%+2,539+45.9%Added
Evercore Wealth Management, LLC8,044$1.40M0.02%00.0%Unchanged
Stance Capital LLC8,022$1.39M0.68%+412+5.4%Added
Principal Securities, Inc.7,973$1.38M0.02%+756+10.5%Added
Mogy Joel R Investment Counsel Inc7,950$1.38M0.09%−6,468−44.9%Reduced
Rockland Trust Co7,937$1.38M0.06%−3,246−29.0%Reduced
Kestra Advisory Services, LLC7,896$1.37M0.01%−2,295−22.5%Reduced
Fiduciary Trust Co7,800$1.35M0.02%−2,101−21.2%Reduced
Lantz Financial LLC7,784$1.35M0.28%+21+0.3%Added
Landscape Capital Management, L.L.C.7,763$1.35M0.09%−18,851−70.8%Reduced
Boyd Watterson Asset Management LLC7,736$1.34M0.41%+945+13.9%Added
Essex Financial Services, Inc.7,716$1.34M0.08%+731+10.5%Added
Chilton Investment Co LLC7,709$1.34M0.03%+2,703+54.0%Added
Mission Wealth Management, LP7,538$1.31M0.03%−906−10.7%Reduced
IFP Advisors, Inc7,525$1.31M0.03%−1,538−17.0%Reduced
Pallas Capital Advisors LLC7,518$1.30M0.05%+2,626+53.7%Added
Penserra Capital Management LLC7,516$1.30M0.02%+4,812+178.0%Added
Krilogy Financial LLC7,093$1.29M0.04%+4,688+194.9%Added
Stephens Inc7,412$1.29M0.02%+1,029+16.1%Added
LS Investment Advisors, LLC7,336$1.27M0.19%−10−0.1%Reduced
Ballentine Partners, LLC7,334$1.27M0.02%−2,302−23.9%Reduced
Twinbeech Capital LP7,300$1.27M0.13%−20,037−73.3%Reduced
Waddell & Associates, LLC7,294$1.27M0.07%+6,155+540.4%Added
TCTC Holdings, LLC7,247$1.26M0.04%00.0%Unchanged
Valeo Financial Advisors, LLC7,214$1.25M0.03%+1,857+34.7%Added
Clifford Swan Investment Counsel LLC7,209$1.25M0.04%−16−0.2%Reduced
Hills Bank & Trust Co7,154$1.24M0.06%−1,686−19.1%Reduced
Arwa LLC7,046$1.22M0.60%+420+6.3%Added
McAdam, LLC7,027$1.22M0.05%+24+0.3%Added
Perigon Wealth Management, LLC7,012$1.22M0.02%−884−11.2%Reduced
Great Valley Advisor Group, Inc.6,995$1.21M0.02%+6,995New
Westerkirk Capital Inc.6,910$1.20M0.13%−500−6.7%Reduced
First Citizens Bank & Trust Co6,837$1.19M0.02%−1,536−18.3%Reduced
NorthCrest Asset Manangement, LLC6,752$1.18M0.04%+2,166+47.2%Added
Welch & Forbes LLC6,789$1.18M0.02%−55−0.8%Reduced
Smith, Salley & Associates6,776$1.18M0.06%+1,255+22.7%Added
US Asset Management LLC6,760$1.17M1.02%−18−0.3%Reduced
Legacy Capital Wealth Partners, LLC6,716$1.16M0.24%+871+14.9%Added
WestHill Financial Advisors, Inc.6,709$1.16M0.22%−22−0.3%Reduced
Parallel Advisors, LLC6,681$1.16M0.02%+195+3.0%Added
Ridgewood Investments LLC6,641$1.15M0.47%+6,641New
Beverly Hills Private Wealth, LLC6,622$1.15M0.19%+22+0.3%Added
Smithfield Trust Co6,576$1.14M0.05%−43−0.6%Reduced
Legacy Financial Advisors, Inc.6,537$1.13M0.16%+4,879+294.3%Added
Evergreen Capital Management LLC6,522$1.13M0.02%+4,138+173.6%Added
Arkadios Wealth Advisors6,519$1.13M0.02%−518−7.4%Reduced
Diversify Wealth Management, LLC6,618$1.13M0.02%+6,618New
Chatham Capital Group, Inc.6,453$1.12M0.16%−325−4.8%Reduced
TD Private Client Wealth LLC6,418$1.11M0.02%+1,168+22.2%Added
Journey Strategic Wealth LLC6,417$1.11M0.03%+1,693+35.8%Added
Ameritas Advisory Services, LLC6,347$1.10M0.04%−1,302−17.0%Reduced
Pinebridge Investments LLC6,342$1.10M0.01%−2,395−27.4%Reduced
Citizens & Northern Corp6,340$1.10M0.27%−169−2.6%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.6,338$1.10M0.04%−4,032−38.9%Reduced
Concord Wealth Partners6,268$1.09M0.14%+584+10.3%Added
Simplicity Wealth,LLC6,227$1.08M0.06%+308+5.2%Added
Westpac Banking Corp6,198$1.08M0.07%+2,584+71.5%Added
Sagespring Wealth Partners, LLC6,186$1.07M0.02%+1,220+24.6%Added
Exchange Bank6,164$1.07M0.74%−6−0.1%Reduced
Daymark Wealth Partners, LLC6,135$1.06M0.03%+4,619+304.7%Added
Ambassador Advisors, LLC8,273$1.06M0.16%+5,162+165.9%Added
Middleton & Co Inc6,116$1.06M0.12%+3,673+150.3%Added
Venturi Wealth Management, LLC6,102$1.06M0.05%+1,607+35.8%Added
Wimmer Associates 1, LLC6,092$1.06M0.52%+34+0.6%Added
Graybill Bartz & Assoc Ltd6,053$1.05M0.32%00.0%Unchanged
Thompson Siegel & Walmsley LLC6,049$1.05M0.02%00.0%Unchanged
Douglas Lane & Associates, LLC6,033$1.05M0.02%+6,033New