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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 2025

Institutional positions in Marsh & McLennan Companies, Inc. as of Mar 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
1,627
+79 vs. Q4 2024
Shares held
442.6M
+4.34M (+1.0%) vs. Q4 2024
Total value
$108.0B
+$14.9B (+16.0%) vs. Q4 2024
New holders
178
626 more added
Sold out
99
561 more reduced

30 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 1,627 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 2025: $108.0B
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 2025

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q4 2024.

Institutions holding MRSH in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Callan Family Office, LLC28,126$6.86M0.51%+1,984+7.6%Added
Snowden Capital Advisors LLC28,370$6.92M0.22%+1,517+5.6%Added
Legacy Advisors, LLC28,826$7.03M0.74%+655+2.3%Added
Synovus Financial Corp28,917$7.06M0.09%−53−0.2%Reduced
Colony Group, LLC29,138$7.11M0.02%+821+2.9%Added
Avantax Advisory Services, Inc.29,295$7.15M0.04%+507+1.8%Added
Financial Engines Advisors L.L.C.30,036$7.33M0.02%−3,752−11.1%Reduced
Hartford Investment Management Co30,137$7.35M0.26%−312−1.0%Reduced
London & Capital Asset Management Ltd30,183$7.37M0.63%+30,183New
Capital Fund Management S.A.30,255$7.38M0.09%+30,255New
Tower View Investment Management & Research LLC30,626$7.47M4.35%−473−1.5%Reduced
Churchill Management Corp30,963$7.56M0.10%−852−2.7%Reduced
Engineers Gate Manager LP31,132$7.60M0.13%−8,645−21.7%Reduced
Northwestern Mutual Wealth Management Co31,614$7.71M0.01%−415−1.3%Reduced
Groupe la Francaise32,164$7.83M0.17%+3,443+12.0%Added
Oak Ridge Investments LLC32,450$7.92M0.66%+1,801+5.9%Added
Pacer Advisors, Inc.32,497$7.93M0.02%−15,765−32.7%Reduced
Jump Financial, LLC32,520$7.94M0.12%−13,045−28.6%Reduced
Zions Bancorporation, National Association32,719$7.98M0.50%+32,719New
Illinois Municipal Retirement Fund32,733$7.99M0.12%00.0%Unchanged
Metis Global Partners, LLC32,751$7.99M0.22%+3,519+12.0%Added
UniSuper Management Pty Ltd32,891$8.03M0.06%+1,091+3.4%Added
NEOS Investment Management LLC33,082$8.07M0.15%+6,260+23.3%Added
Ipswich Investment Management Co., Inc.33,091$8.08M2.00%−518−1.5%Reduced
Longbow Finance SA33,501$8.18M0.98%+33,501New
Kentucky Retirement Systems33,673$8.22M0.25%−120−0.4%Reduced
Bleakley Financial Group, LLC33,779$8.24M0.26%+1,157+3.5%Added
Franklin, Parlapiano, Turner & Welch, LLC33,834$8.26M2.23%+33,834New
Auxier Asset Management33,973$8.29M1.24%−100.0%Reduced
GWM Advisors LLC34,212$8.35M0.05%−824−2.4%Reduced
HRT Financial LP34,751$8.48M0.05%+187+0.5%Added
Siemens Fonds Invest GmbH34,773$8.49M0.58%+1,153+3.4%Added
CX Institutional34,852$8.51M0.32%+1,648+5.0%Added
Change Path, LLC35,374$8.63M0.26%+1,326+3.9%Added
Wiley Bros.-Aintree Capital, LLC36,039$8.74M0.09%+939+2.7%Added
Achmea Investment Management B.V.35,899$8.76M0.13%+70+0.2%Added
Kinsale Capital Group, Inc.35,948$8.77M2.16%+5,170+16.8%Added
Avanza Fonder AB36,099$8.80M0.29%−2,483−6.4%Reduced
Bennett Selby Investments LP36,437$8.89M3.51%−100−0.3%Reduced
Oribel Capital Management, LP36,900$9.00M1.12%+36,900New
Susquehanna Fundamental Investments, LLC37,005$9.03M0.15%+37,005New
Aware Super Pty Ltd as trustee of Aware Super37,696$9.20M0.16%+2,062+5.8%Added
Marks Group Wealth Management, Inc37,742$9.21M0.89%+615+1.7%Added
Gluskin Sheff & Assoc Inc37,990$9.27M1.19%−27,700−42.2%Reduced
Quantbot Technologies LP38,217$9.33M0.30%−26,139−40.6%Reduced
Vestcor Inc38,552$9.41M0.32%−1,824−4.5%Reduced
Huntington National Bank38,702$9.44M0.07%−3,940−9.2%Reduced
Umb Bank N A38,756$9.46M0.16%+36,891+1,978.1%Added
Marex Group plc39,000$9.52M0.18%+39,000New
Two Sigma Advisers, LP39,121$9.55M0.02%−234,979−85.7%Reduced
Builder Investment Group Inc39,156$9.56M2.72%−150−0.4%Reduced
Steward Partners Investment Advisory, LLC39,184$9.56M0.08%+749+1.9%Added
Stokes Capital Advisors, LLC39,194$9.56M2.43%+1,228+3.2%Added
Aurdan Capital Management, LLC39,283$9.59M3.61%−3,259−7.7%Reduced
Mizuho Securities USA LLC39,325$9.60M0.21%−7,222−15.5%Reduced
BNP Paribas39,563$9.65M0.40%+8,008+25.4%Added
Jane Street Group, LLC39,602$9.66M0.02%+16,212+69.3%Added
Bedrijfstakpensioenfonds Voor de Media Pno43,000$9.71M1.38%00.0%Unchanged
Susquehanna International Group, LLP40,089$9.78M0.02%−163,471−80.3%Reduced
Sawgrass Asset Management LLC40,165$9.80M1.20%−1,747−4.2%Reduced
Crossmark Global Holdings, Inc.41,202$10.1M0.18%+688+1.7%Added
CIBC Private Wealth Group, LLC46,484$10.3M0.02%−2,602−5.3%Reduced
Oregon Public Employees Retirement Fund42,243$10.3M0.20%+148+0.4%Added
Sanibel Captiva Trust Company, Inc.42,956$10.5M0.34%+39,000+985.8%Added
Aquatic Capital Management LLC43,938$10.7M0.27%−44,114−50.1%Reduced
Advisor Group Holdings, Inc.43,959$10.7M0.02%−11,267−20.4%Reduced
Tokio Marine Asset Management Co Ltd44,090$10.8M0.39%+1,099+2.6%Added
Rakuten Investment Management, Inc.44,889$10.9M0.05%+44,889New
Blair William & Co44,761$10.9M0.03%+1,998+4.7%Added
Phoenix Holdings Ltd.45,029$11.0M0.17%−6,288−12.3%Reduced
Ieq Capital, LLC46,542$11.4M0.09%+8,022+20.8%Added
M&T Bank Corp46,639$11.4M0.04%+1,280+2.8%Added
Voleon Capital Management LP47,050$11.5M0.90%−1,267−2.6%Reduced
Entropy Technologies, LP47,314$11.5M1.12%+33,036+231.4%Added
Vontobel Holding Ltd.47,455$11.6M0.04%+19,074+67.2%Added
Hudson Valley Investment Advisors Inc48,365$11.8M1.41%−1,549−3.1%Reduced
Elo Mutual Pension Insurance Co48,771$11.9M0.27%+3,895+8.7%Added
DuPont Capital Management Corp49,071$12.0M1.33%+3,198+7.0%Added
Mercer Global Advisors Inc49,358$12.0M0.03%+985+2.0%Added
Edmond de Rothschild Holding S.A.49,647$12.1M0.21%+3,064+6.6%Added
MML Investors Services, LLC50,189$12.2M0.04%+2,155+4.5%Added
OP Asset Management Ltd51,963$12.7M0.21%+51,963New
King Luther Capital Management Corp52,242$12.7M0.06%−2,954−5.4%Reduced
Calamos Wealth Management LLC52,736$12.9M0.64%+631+1.2%Added
Ci Investments Inc.52,917$12.9M0.05%−3,329−5.9%Reduced
Foyston, Gordon, & Payne Inc53,903$13.2M3.25%+7,037+15.0%Added
Generali Asset Management SPA SGR54,465$13.3M0.33%−11,242−17.1%Reduced
Brinker Capital Investments, LLC55,104$13.4M0.13%+2,060+3.9%Added
Orion Portfolio Solutions, LLC55,104$13.4M0.13%+2,060+3.9%Added
Azimuth Capital Investment Management LLC56,706$13.8M0.55%+265+0.5%Added
Mutual of America Capital Management LLC57,116$13.9M0.16%−1,720−2.9%Reduced
Intech Investment Management LLC58,545$14.3M0.15%−22,110−27.4%Reduced
Mirae Asset Global Investments Co., Ltd.59,091$14.3M0.06%+8,058+15.8%Added
iA Global Asset Management Inc.58,732$14.3M0.25%+48,088+451.8%Added
Man Group plc58,832$14.4M0.04%−21,787−27.0%Reduced
CIBC World Markets Corp59,241$14.5M0.11%−18,292−23.6%Reduced
JustInvest LLC59,668$14.6M0.21%+3,054+5.4%Added
Lido Advisors, LLC60,003$14.6M0.09%−3,420−5.4%Reduced
Apollon Wealth Management, LLC60,580$14.8M0.33%−3,263−5.1%Reduced
First American Bank60,642$14.8M1.09%+339+0.6%Added