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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 2021

Institutional positions in Marsh & McLennan Companies, Inc. as of Mar 31, 2021. 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
979
No complete 13F data for Q4 2020
Shares held
449.3M
No complete 13F data for Q4 2020
Total value
$54.7B
No complete 13F data for Q4 2020

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 2021: 979 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 2021: $54.7B
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 2021

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding MRSH in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc41,610,092$5.07B0.14%––
BlackRock Inc.40,890,688$4.98B0.15%––
Price T Rowe Associates Inc34,056,089$4.15B0.42%––
State Street Corp23,180,946$2.82B0.16%––
Capital International Investors21,839,482$2.66B0.67%––
Wellington Management Group LLP19,700,887$2.40B0.42%––
Capital World Investors16,423,373$2.00B0.37%––
Massachusetts Financial Services Co16,102,295$1.96B0.60%––
FMR LLC9,956,336$1.21B0.10%––
Geode Capital Management, LLC8,489,527$1.03B0.16%––
Bank of America Corp7,320,142$891.6M0.11%––
JPMorgan Chase & Co6,912,835$842.0M0.12%––
Ameriprise Financial Inc6,515,476$793.6M0.26%––
Primecap Management Co6,418,035$781.7M0.55%––
Northern Trust Corp6,403,101$779.9M0.15%––
Mawer Investment Management Ltd.6,221,911$757.8M4.11%––
UBS Asset Management Americas Inc6,155,716$749.8M0.33%––
Nuveen Asset Management, LLC5,632,799$686.1M0.22%––
Berkshire Hathaway IncSuperinvestorBerkshire Hathaway5,287,526$644.0M0.24%––
Artisan Partners Limited Partnership5,004,425$609.5M0.79%––
UBS Group AG4,571,432$556.8M0.25%––
Bank of New York Mellon Corp3,979,770$484.7M0.10%––
California Public Employees Retirement System3,916,223$477.0M0.36%––
American Century Companies Inc3,674,134$447.5M0.33%––
Findlay Park Partners LLP3,603,304$438.9M3.05%––
Goldman Sachs Group Inc3,511,130$427.7M0.13%––
Legal & General Group Plc3,384,837$412.3M0.15%––
Norges Bank3,366,561$410.0M0.09%––
Lazard Asset Management LLC3,260,137$397.1M0.48%––
Canada Pension Plan Investment Board3,223,694$392.6M0.51%––
Deutsche Bank AG3,208,678$390.8M0.21%––
Caisse de Depot Et Placement du Quebec2,997,286$365.1M0.82%––
Nippon Life Insurance Co2,622,700$319.4M19.48%––
Wells Fargo & Company2,293,758$279.4M0.06%––
Morgan Stanley2,231,703$271.8M0.04%––
Charles Schwab Investment Management Inc2,224,378$270.9M0.10%––
Diamond Hill Capital Management Inc2,186,919$266.4M1.08%––
Viking Global Investors LPSuperinvestorViking Global Investors2,081,887$253.6M0.76%––
Swiss National Bank2,061,932$251.1M0.17%––
Bahl & Gaynor Inc2,020,341$246.1M1.56%––
Invesco Ltd.2,004,748$244.2M0.07%––
Parametric Portfolio Associates LLC1,987,874$242.1M0.14%––
Stifel Financial Corp1,948,768$237.4M0.39%––
Coho Partners, Ltd.1,853,833$225.8M3.67%––
First Trust Advisors LP1,791,059$218.2M0.26%––
Sumitomo Mitsui Trust Holdings, Inc.1,736,244$211.5M0.13%––
Amundi Asset Management US, Inc.1,670,331$203.4M0.16%––
Dimensional Fund Advisors LP1,597,775$194.6M0.06%––
Arrowstreet Capital, Limited Partnership1,546,043$188.3M0.25%––
Credit Suisse AG1,366,172$166.4M0.12%––
Polar Capital Holdings Plc1,363,907$166.1M1.03%––
Atlanta Capital Management Co L L C1,297,278$158.0M0.56%––
New York State Common Retirement Fund1,146,527$139.6M0.15%––
Tesco Pension Investment Ltd1,138,978$138.7M2.62%––
Barclays PLC1,115,781$135.9M0.13%––
Ninety One UK Ltd1,080,610$131.6M0.37%––
DekaBank Deutsche Girozentrale1,080,526$130.8M0.43%––
Manufacturers Life Insurance Company, The1,065,613$129.8M0.11%––
Intermede Investment Partners Ltd1,030,556$125.5M3.21%––
Truist Financial Corp973,641$118.6M0.21%––
Aviva PLC973,571$118.6M0.58%––
Rhumbline Advisers967,669$117.9M0.16%––
California State Teachers Retirement System948,103$115.5M0.15%––
Waverton Investment Management Ltd919,649$112.0M5.05%––
Capital Bank & Trust Co907,834$110.6M1.31%––
Janus Henderson Group PLC898,599$109.5M0.05%––
Renaissance Technologies LLC874,900$106.6M0.13%––
APG Asset Management N.V.1,013,146$105.0M0.18%––
BNP PARIBAS ASSET MANAGEMENT Holding S.A.833,433$101.5M0.42%––
Principal Financial Group Inc826,607$100.7M0.07%––
Veritas Investment Partners (UK) Ltd.826,310$100.7M4.05%––
National Pension Service734,401$89.5M0.19%––
Alliancebernstein L.P.733,791$89.4M0.04%––
Nordea Investment Management AB735,747$89.2M0.13%––
Jennison Associates LLC724,848$88.3M0.06%––
3G Sahana Capital Management LP714,141$87.0M10.78%––
BNP Paribas Arbitrage, SA706,493$86.1M0.19%––
HSBC Holdings PLC667,592$81.3M0.11%––
State Board of Administration of Florida Retirement System662,826$80.7M0.16%––
Royal Bank of Canada645,906$78.7M0.02%––
Envestnet Asset Management Inc636,618$77.5M0.05%––
Unigestion Holding SA623,040$75.9M2.70%––
Bank of Montreal605,491$75.6M0.05%––
Silvercrest Asset Management Group LLC615,169$74.9M0.51%––
State of Wisconsin Investment Board612,729$74.6M0.16%––
Markel Group Inc.SuperinvestorMarkel Group609,500$74.2M1.03%––
Clearbridge Investments, LLC598,168$72.9M0.05%––
The PNC Financial Services Group, Inc.571,293$69.6M0.07%––
USS Investment Management Ltd562,452$68.5M0.60%––
Citigroup Inc562,299$68.5M0.07%––
New York State Teachers Retirement System562,178$68.5M0.15%––
Birch Hill Investment Advisors LLC555,152$67.6M3.85%––
Assetmark, Inc536,221$65.3M0.34%––
TD Asset Management Inc530,500$64.6M0.07%––
KBC Group NV524,145$63.8M0.26%––
Prudential Financial Inc518,911$63.2M0.09%––
Madison Asset Management, LLC517,464$63.0M0.88%––
Great West Life Assurance Co515,874$62.5M0.15%––
SG Americas Securities, LLC503,571$61.3M0.38%––
CCLA Investment Management Ltd501,195$61.1M1.22%––