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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, Q2 2026

Institutional positions in Marsh & McLennan Companies, Inc. as of Jun 30, 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
1,506
−24 vs. Q1 2026
Shares held
438.4M
−149.9K (0.0%) vs. Q1 2026
Total value
$73.1B
−$3.00B (−3.9%) vs. Q1 2026
New holders
144
482 more added
Sold out
168
663 more reduced

18 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 1,506 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 heldQ2 2026: $73.1B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q1 2026.

Institutions holding MRSH in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Geneos Wealth Management Inc.30,788$5.13M0.10%+541+1.8%Added
Aurdan Capital Management, LLC31,289$5.21M1.32%−1,484−4.5%Reduced
Schaper Benz & Wise Investment Counsel Inc31,304$5.22M0.35%+3,568+12.9%Added
Abc Arbitrage SA31,663$5.28M0.57%+26,050+464.1%Added
Third View Private Wealth, LLC31,989$5.33M0.66%+5,563+21.1%Added
Ipswich Investment Management Co., Inc.32,097$5.35M1.13%−3,630−10.2%Reduced
Auxier Asset Management32,132$5.36M0.72%−738−2.2%Reduced
Siemens Fonds Invest GmbH32,174$5.36M0.26%−962−2.9%Reduced
M&G Plc32,620$5.45M0.03%00.0%Unchanged
Campbell & CO Investment Adviser LLC33,613$5.60M0.29%+33,613New
Saudi Central Bank33,726$5.62M0.07%+15,643+86.5%Added
M&T Bank Corp33,740$5.62M0.02%−1,533−4.3%Reduced
Altrius Capital Management Inc33,756$5.63M1.07%+33,756New
Northwestern Mutual Wealth Management Co34,062$5.68M0.00%+2,374+7.5%Added
Ci Investments Inc.34,213$5.70M0.02%+10,492+44.2%Added
Mount Yale Investment Advisors, LLC34,419$5.74M0.11%+1,583+4.8%Added
King Luther Capital Management Corp34,426$5.74M0.02%−2,635−7.1%Reduced
Investment Management Corp of Ontario34,450$5.74M0.07%−4,300−11.1%Reduced
Nomura Holdings Inc34,841$5.81M0.02%+20,529+143.4%Added
Cincinnati Specialty Underwriters Insurance CO35,826$5.97M1.33%00.0%Unchanged
Bennett Selby Investments LP35,903$5.98M1.91%−2,389−6.2%Reduced
Pacer Advisors, Inc.36,082$6.01M0.02%−6,776−15.8%Reduced
Los Angeles Capital Management LLC36,208$6.03M0.02%+2,306+6.8%Added
Vestmark Advisory Solutions, Inc.36,577$6.10M0.06%−9,953−21.4%Reduced
GWM Advisors LLC36,712$6.12M0.02%−17,993−32.9%Reduced
Vident Advisory, LLC36,852$6.14M0.05%+14,630+65.8%Added
Gulf International Bank (UK) Ltd37,170$6.20M0.12%−588−1.6%Reduced
Walter Public Investments Inc.37,386$6.23M1.50%−31,300−45.6%Reduced
Capital International Sarl37,599$6.27M0.09%−21,849−36.8%Reduced
B. Metzler seel. Sohn & Co. AG37,603$6.27M0.05%−454−1.2%Reduced
Mizuho Securities USA LLC37,719$6.29M0.10%+8,452+28.9%Added
JB Capital LLC37,796$6.30M0.22%+9,266+32.5%Added
Builder Investment Group Inc38,456$6.41M1.27%00.0%Unchanged
Benjamin Edwards Inc40,011$6.67M0.06%+1,086+2.8%Added
Capital Management Corp40,346$6.72M1.01%+40,346New
Bank Julius Baer & Co. Ltd, Zurich40,490$6.75M0.02%−39,215−49.2%Reduced
EP Wealth Advisors, LLC40,569$6.76M0.03%+28,264+229.7%Added
Empowered Funds, LLC41,399$6.90M0.04%+5,821+16.4%Added
Franklin, Parlapiano, Turner & Welch, LLC41,467$6.91M1.56%+1,643+4.1%Added
Kingsview Wealth Management, LLC41,516$6.92M0.08%−8,930−17.7%Reduced
Savant Capital, LLC38,423$6.96M0.02%+28,433+284.6%Added
Union Bancaire Privee, UBP SA23,950$7.08M0.11%+1,734+7.8%Added
Hamilton Capital Partners Inc.42,536$7.09M0.21%+7,884+22.8%Added
Te Ahumairangi Investment Management Ltd42,777$7.13M1.15%+12,250+40.1%Added
Allianz Asset Management GmbH43,427$7.24M0.01%−10,165−19.0%Reduced
Blair William & Co41,504$7.26M0.02%+862+2.1%Added
Avanza Fonder AB43,816$7.30M0.16%+4,094+10.3%Added
Sanibel Captiva Trust Company, Inc.44,120$7.35M0.18%+933+2.2%Added
Washington Trust Bank45,280$7.55M0.53%−12,580−21.7%Reduced
Peapack Gladstone Financial Corp45,321$7.55M0.09%+4,256+10.4%Added
Vontobel Holding Ltd.45,752$7.63M0.03%+955+2.1%Added
JLB & Associates Inc46,083$7.68M1.03%−6,352−12.1%Reduced
Bleakley Financial Group, LLC46,313$7.72M0.10%+5,811+14.3%Added
Formuepleje A/S46,902$7.82M0.61%−8,025−14.6%Reduced
Commerce Bank47,126$7.85M0.03%−1,099−2.3%Reduced
Raiffeisen Bank International AG47,562$7.93M0.09%+334+0.7%Added
Interval Partners, LP47,762$7.96M0.26%+47,762New
Algebris (UK) Ltd47,996$7.97M0.53%+47,996New
Crawford Investment Counsel Inc48,078$8.01M0.13%−249,591−83.8%Reduced
Baker Avenue Asset Management, LP49,072$8.18M0.16%−6,235−11.3%Reduced
Commonwealth Equity Services, LLC49,512$8.25M0.01%−2,868−5.5%Reduced
Mutual of America Capital Management LLC49,661$8.28M0.08%−1,835−3.6%Reduced
Yousif Capital Management, LLC50,255$8.38M0.09%−7,315−12.7%Reduced
Hantz Financial Services, Inc.50,282$8.38M0.11%−14,902−22.9%Reduced
Y-Intercept (Hong Kong) Ltd50,445$8.41M0.17%+18,309+57.0%Added
Stock Yards Bank & Trust Co50,581$8.43M0.24%−78,545−60.8%Reduced
Mirae Asset Global ETFs Holdings Ltd.50,793$8.47M0.01%−168,362−76.8%Reduced
Azimuth Capital Investment Management LLC50,837$8.47M0.29%−920−1.8%Reduced
Horizon Investments, LLC51,161$8.48M0.09%−10,092−16.5%Reduced
Mediolanum International Funds Ltd52,457$8.75M0.08%+5,835+12.5%Added
UniSuper Management Pty Ltd53,606$8.93M0.05%+14,043+35.5%Added
MML Investors Services, LLC53,982$9.00M0.02%+192+0.4%Added
Candriam Luxembourg S.C.A.54,152$9.02M0.04%+2,561+5.0%Added
Guggenheim Capital LLC55,200$9.20M0.06%−2,135−3.7%Reduced
OP Asset Management Ltd55,259$9.21M0.10%+4,084+8.0%Added
Wealthfront Advisers LLC55,497$9.25M0.02%+1,543+2.9%Added
Atria Investments LLC55,681$9.28M0.09%−12,316−18.1%Reduced
Macquarie Group Ltd56,143$9.34M0.04%+11,472+25.7%Added
Susquehanna International Group, LLP56,215$9.37M0.01%+15,125+36.8%Added
CIBC World Markets Inc.56,441$9.41M0.02%−1,195−2.1%Reduced
CX Institutional56,534$9.42M0.27%−3,100−5.2%Reduced
ASR Vermogensbeheer N.V.57,166$9.53M0.10%−73,782−56.3%Reduced
Alyeska Investment Group, L.P.57,212$9.54M0.02%+57,212New
Kinsale Capital Group, Inc.57,480$9.58M1.27%+7,990+16.1%Added
First American Bank57,514$9.59M0.54%−3,508−5.7%Reduced
Diversified Trust Co57,978$9.66M0.15%+19,655+51.3%Added
Quantbot Technologies LP58,448$9.74M0.38%+58,448New
Oregon Public Employees Retirement Fund59,243$9.87M0.11%+3,816+6.9%Added
Advisor Group Holdings, Inc.59,245$9.88M0.01%+7,046+13.5%Added
Andra AP-fonden60,610$10.1M0.12%+5,200+9.4%Added
Gabelli Funds LLC60,700$10.1M0.06%00.0%Unchanged
Apollon Wealth Management, LLC61,163$10.2M0.12%+3,185+5.5%Added
Lido Advisors, LLC61,537$10.3M0.04%+2,248+3.8%Added
Levin Capital Strategies, L.P.61,554$10.3M0.69%−312−0.5%Reduced
Ossiam61,641$10.3M0.14%+61,641New
Public Employees Retirement Association of Colorado61,712$10.3M0.04%−393−0.6%Reduced
Running Oak Capital LLC62,053$10.3M1.76%−16,374−20.9%Reduced
State of Alaska, Department of Revenue62,523$10.4M0.10%−2,149−3.3%Reduced
Trexquant Investment LP63,514$10.6M0.07%+63,514New
Generali Asset Management SPA SGR63,672$10.6M0.19%+5,181+8.9%Added