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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
Walter Public Investments Inc.68,686$11.9M2.85%−38,265−35.8%Reduced
Atria Investments LLC67,997$11.8M0.13%−4,594−6.3%Reduced
McRae Capital Management Inc67,759$11.8M2.44%+64,825+2,209.4%Added
British Columbia Investment Management Corp67,525$11.7M0.07%−19,784−22.7%Reduced
Squarepoint Ops LLC65,262$11.3M0.02%−462,224−87.6%Reduced
Hantz Financial Services, Inc.65,184$11.3M0.17%+33,470+105.5%Added
La Banque Postale Asset Management SA64,771$11.2M0.15%+35,931+124.6%Added
State of Alaska, Department of Revenue64,672$11.2M0.12%−1,075−1.6%Reduced
Baillie Gifford & Co64,408$11.2M0.01%−22,759−26.1%Reduced
JustInvest LLC64,071$11.1M0.11%+506+0.8%Added
Nissay Asset Management Corp62,878$10.9M0.06%+607+1.0%Added
Public Employees Retirement Association of Colorado62,105$10.8M0.04%−86−0.1%Reduced
Levin Capital Strategies, L.P.61,866$10.7M0.82%−200−0.3%Reduced
Captrust Financial Advisors61,566$10.7M0.02%+11,544+23.1%Added
Elo Mutual Pension Insurance Co61,252$10.6M0.18%−1,345−2.1%Reduced
Ethic Inc.61,137$10.6M0.17%−115−0.2%Reduced
First American Bank61,022$10.6M0.66%+235+0.4%Added
Horizon Investments, LLC61,253$10.6M0.12%+22,998+60.1%Added
Gabelli Funds LLC60,700$10.5M0.07%−300−0.5%Reduced
RMB Capital Management, LLC60,680$10.5M0.19%+5,837+10.6%Added
CX Institutional59,634$10.3M0.32%+18,556+45.2%Added
Capital International Sarl59,448$10.3M0.17%+1,349+2.3%Added
Lido Advisors, LLC59,289$10.3M0.04%−346−0.6%Reduced
Generali Asset Management SPA SGR58,491$10.1M0.21%−611−1.0%Reduced
Apollon Wealth Management, LLC57,978$10.1M0.16%+1,791+3.2%Added
Washington Trust Bank57,860$10.0M0.74%−21,457−27.1%Reduced
CIBC World Markets Inc.57,636$10.0M0.02%−4,456−7.2%Reduced
Yousif Capital Management, LLC57,570$9.99M0.12%−2,209−3.7%Reduced
Guggenheim Capital LLC57,335$9.94M0.08%−3,916−6.4%Reduced
Oregon Public Employees Retirement Fund55,427$9.61M0.13%−600−1.1%Reduced
Andra AP-fonden55,410$9.61M0.12%+1,300+2.4%Added
Baker Avenue Asset Management, LP55,307$9.59M0.22%−7,263−11.6%Reduced
Formuepleje A/S54,927$9.53M0.86%−44,217−44.6%Reduced
GWM Advisors LLC54,705$9.49M0.03%−9,794−15.2%Reduced
Strategic Wealth Designers54,575$9.47M1.20%+1,156+2.2%Added
Wealthfront Advisers LLC53,954$9.36M0.02%+1,456+2.8%Added
MML Investors Services, LLC53,790$9.33M0.03%+8,801+19.6%Added
Allianz Asset Management GmbH53,592$9.30M0.01%+2,790+5.5%Added
JLB & Associates Inc52,435$9.09M1.31%−3,606−6.4%Reduced
Commonwealth Equity Services, LLC52,380$9.09M0.01%−12,277−19.0%Reduced
Advisor Group Holdings, Inc.52,199$9.06M0.01%+674+1.3%Added
Flputnam Investment Management Co51,870$9.00M0.13%−48,439−48.3%Reduced
Azimuth Capital Investment Management LLC51,757$8.98M0.34%−396−0.8%Reduced
Candriam Luxembourg S.C.A.51,591$8.95M0.05%+2,073+4.2%Added
Mutual of America Capital Management LLC51,496$8.93M0.10%−1,113−2.1%Reduced
OP Asset Management Ltd51,175$8.88M0.09%−3,358−6.2%Reduced
Kingsview Wealth Management, LLC50,446$8.75M0.12%+36,020+249.7%Added
Kinsale Capital Group, Inc.49,490$8.58M1.38%+3,284+7.1%Added
Brinker Capital Investments, LLC49,051$8.51M0.07%−4,137−7.8%Reduced
Commerce Bank48,225$8.36M0.04%+24,144+100.3%Added
Raiffeisen Bank International AG47,228$8.25M0.12%−210,378−81.7%Reduced
Quadrature Capital Ltd47,026$8.16M0.10%+1,376+3.0%Added
Mediolanum International Funds Ltd46,622$8.15M0.09%+27,492+143.7%Added
Carnegie Capital Asset Management, LLC46,917$8.14M0.16%−17,092−26.7%Reduced
Vestmark Advisory Solutions, Inc.46,530$8.07M0.09%−1,955−4.0%Reduced
Vontobel Holding Ltd.44,797$7.77M0.03%+1,020+2.3%Added
Annex Advisory Services, LLC44,744$7.76M0.15%+627+1.4%Added
Macquarie Group Ltd44,671$7.73M0.05%−27,206−37.9%Reduced
Harbour Trust & Investment Management Co44,233$7.67M0.81%−17,537−28.4%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main44,049$7.64M0.01%−47,016−51.6%Reduced
Sanibel Captiva Trust Company, Inc.43,187$7.49M0.21%−198−0.5%Reduced
Pacer Advisors, Inc.42,858$7.43M0.02%−1,017−2.3%Reduced
Blair William & Co40,642$7.43M0.02%+4,913+13.8%Added
Voleon Capital Management LP42,755$7.42M0.16%+33,420+358.0%Added
Ofi Invest Asset Management48,790$7.41M0.10%+45,117+1,228.3%Added
Picton Mahoney Asset Management41,818$7.25M0.08%+41,818New
Susquehanna International Group, LLP41,090$7.13M0.01%−27,069−39.7%Reduced
Peapack Gladstone Financial Corp41,065$7.12M0.09%+2,336+6.0%Added
Bleakley Financial Group, LLC40,502$7.03M0.11%+2,703+7.2%Added
Franklin, Parlapiano, Turner & Welch, LLC39,824$6.93M1.65%+3,655+10.1%Added
Kempen Capital Management N.V.39,944$6.93M0.06%−4,105−9.3%Reduced
Avanza Fonder AB39,722$6.89M0.19%00.0%Unchanged
Union Bancaire Privee, UBP SA22,216$6.87M0.13%−3,462−13.5%Reduced
UniSuper Management Pty Ltd39,563$6.86M0.04%−477−1.2%Reduced
Canada Post Corp Registered Pension Plan39,556$6.86M0.27%+4,298+12.2%Added
Benjamin Edwards Inc38,925$6.75M0.07%+3,632+10.3%Added
Investment Management Corp of Ontario38,750$6.72M0.09%−5,233−11.9%Reduced
Builder Investment Group Inc38,456$6.67M1.45%00.0%Unchanged
Illinois Municipal Retirement Fund38,326$6.65M0.08%+1,099+3.0%Added
Diversified Trust Co38,323$6.65M0.12%+15,321+66.6%Added
Bennett Selby Investments LP38,292$6.64M2.33%+1,110+3.0%Added
Scotia Capital Inc.38,165$6.62M0.03%−59,563−60.9%Reduced
B. Metzler seel. Sohn & Co. AG38,057$6.60M0.06%−2,196−5.5%Reduced
Gulf International Bank (UK) Ltd37,758$6.55M0.15%+13,104+53.2%Added
King Luther Capital Management Corp37,061$6.43M0.03%+179+0.5%Added
Stokes Capital Advisors, LLC36,750$6.37M1.43%−1,702−4.4%Reduced
Cincinnati Specialty Underwriters Insurance CO35,826$6.21M1.51%+22,850+176.1%Added
Ipswich Investment Management Co., Inc.35,727$6.20M1.46%−1,441−3.9%Reduced
Empowered Funds, LLC35,578$6.17M0.04%+35,578New
M&T Bank Corp35,273$6.12M0.02%+994+2.9%Added
Hamilton Capital Partners Inc.34,652$6.01M0.20%+2,261+7.0%Added
Intech Investment Management LLC34,370$5.96M0.06%+1,565+4.8%Added
Marks Group Wealth Management, Inc34,216$5.93M0.57%+179+0.5%Added
Huntington National Bank33,941$5.89M0.03%−2,547−7.0%Reduced
Los Angeles Capital Management LLC33,902$5.88M0.02%+885+2.7%Added
Sustainable Insight Capital Management, LLC33,827$5.87M1.97%−9,088−21.2%Reduced
Siemens Fonds Invest GmbH33,136$5.75M0.33%−88−0.3%Reduced
Auxier Asset Management32,870$5.70M0.82%−245−0.7%Reduced
Mount Yale Investment Advisors, LLC32,836$5.70M0.14%+28,404+640.9%Added
Aurdan Capital Management, LLC32,773$5.68M1.71%−1,525−4.4%Reduced