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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, Q4 2023

Institutional positions in Marsh & McLennan Companies, Inc. as of Dec 31, 2023. 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
1,376
+103 vs. Q3 2023
Shares held
434.8M
+4.66M (+1.1%) vs. Q3 2023
Total value
$82.4B
+$483.5M (+0.6%) vs. Q3 2023
New holders
187
476 more added
Sold out
84
493 more reduced

21 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 1,376 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 heldQ4 2023: $82.4B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q3 2023.

Institutions holding MRSH in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Royal London Asset Management Ltd201,896$38.3M0.11%−2,953−1.4%Reduced
Millennium Management LLC206,231$39.1M0.04%−456,566−68.9%Reduced
Macquarie Group Ltd216,679$41.0M0.05%+4,982+2.4%Added
Ycg, LLC216,909$41.1M3.40%+520.0%Added
Flputnam Investment Management Co218,183$41.3M0.97%−2,548−1.2%Reduced
Rathbone Brothers plc219,632$41.6M0.27%+38,465+21.2%Added
Asset Management One Co.,Ltd.223,321$42.2M0.17%+14,352+6.9%Added
Treasurer of the State of North Carolina226,007$42.8M0.21%+2,140+1.0%Added
Artemis Investment Management LLP228,532$43.3M0.63%+54,793+31.5%Added
Kayne Anderson Rudnick Investment Management LLC228,813$43.4M0.11%−2,590−1.1%Reduced
Quilter Plc231,648$43.7M1.48%−181,635−43.9%Reduced
Mn Services Vermogensbeheer B.V.234,788$44.5M0.40%−7,300−3.0%Reduced
Viking Global Investors LPSuperinvestorViking Global Investors237,706$45.0M0.16%+237,706New
Hardman Johnston Global Advisors LLC238,815$45.2M1.45%−5,275−2.2%Reduced
Ensign Peak Advisors, Inc241,885$45.8M0.09%−4,066−1.7%Reduced
Intech Investment Management LLC246,028$46.6M0.68%+51,817+26.7%Added
State of Tennessee, Treasury Department247,769$46.9M0.18%−25,736−9.4%Reduced
Los Angeles Capital Management LLC250,825$47.5M0.18%−68,799−21.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.252,941$47.9M0.22%+154,683+157.4%Added
Vaughan David Investments LLC255,347$48.4M1.32%+699+0.3%Added
Canada Pension Plan Investment Board263,025$49.8M0.06%−124,509−32.1%Reduced
Kempen Capital Management N.V.264,702$50.2M0.70%+72,799+37.9%Added
Bank of Nova Scotia266,555$50.5M0.09%+114,723+75.6%Added
Unigestion Holding SA270,598$51.3M2.82%+13,884+5.4%Added
Boston Trust Walden Corp274,942$52.1M0.39%+3,847+1.4%Added
Madison Asset Management, LLC276,130$52.3M0.71%+5,478+2.0%Added
Nomura Asset Management Co Ltd276,328$52.4M0.22%−12,507−4.3%Reduced
Chevy Chase Trust Holdings, Inc.276,601$52.4M0.19%−2,162−0.8%Reduced
Swedbank AB277,901$52.7M0.09%−6,616−2.3%Reduced
State of New Jersey Common Pension Fund D278,655$52.8M0.18%00.0%Unchanged
Public Employees Retirement System of Ohio282,533$53.5M0.21%−3,963−1.4%Reduced
Jennison Associates LLC282,947$53.6M0.04%−285,473−50.2%Reduced
Fifth Third Bancorp285,269$54.0M0.23%+4,946+1.8%Added
Calamos Advisors LLC286,490$54.3M0.28%−745−0.3%Reduced
Toronto Dominion Bank289,005$54.8M0.08%−69,557−19.4%Reduced
Capital International Inc294,549$55.8M0.87%+91,000+44.7%Added
Bowen Hanes & Co Inc295,585$56.0M1.69%−1,140−0.4%Reduced
HighTower Advisors, LLC299,600$56.8M0.10%+4,693+1.6%Added
Baird Financial Group, Inc.300,642$57.0M0.13%+197,991+192.9%Added
KBC Group NV301,994$57.2M0.20%−339,981−53.0%Reduced
Erste Asset Management GmbH308,851$58.3M0.85%+45,961+17.5%Added
Silvercrest Asset Management Group LLC310,687$58.9M0.42%−16,178−4.9%Reduced
AQR Capital Management LLC317,098$59.9M0.11%+23,298+7.9%Added
State of Wisconsin Investment Board326,583$61.9M0.18%+9,028+2.8%Added
CCLA Investment Management Ltd330,194$62.4M1.02%+2,539+0.8%Added
Stifel Financial Corp331,184$62.8M0.08%+690.0%Added
Man Group plc349,079$66.1M0.19%––
Renaissance Technologies LLC362,400$68.7M0.11%+362,400New
Abn Amro Investment Solutions362,938$68.8M1.21%+18,218+5.3%Added
SEI Investments Co367,720$69.7M0.11%−15,457−4.0%Reduced
Epoch Investment Partners, Inc.368,746$69.9M0.32%+11,348+3.2%Added
Crawford Investment Counsel Inc377,476$71.5M1.43%−13,774−3.5%Reduced
Prudential Financial Inc374,920$71.9M0.11%−479,463−56.1%Reduced
Korea Investment CORP386,129$73.2M0.19%−6,695−1.7%Reduced
Ossiam391,892$74.3M1.20%+115,491+41.8%Added
National Bank of Canada403,684$77.0M0.14%−143,978−26.3%Reduced
APG Asset Management N.V.460,421$79.0M0.15%+36,907+8.7%Added
Mariner, LLC418,439$79.3M0.19%+9,138+2.2%Added
New York State Teachers Retirement System434,736$82.4M0.18%−28,468−6.1%Reduced
Citigroup Inc435,975$82.6M0.11%−58,998−11.9%Reduced
Birch Hill Investment Advisors LLC438,081$83.0M4.42%−1210.0%Reduced
Degroof Petercam Asset Management440,662$83.5M1.10%+440,662New
Mackenzie Financial Corp445,375$84.4M0.13%−143,354−24.3%Reduced
Panagora Asset Management Inc446,010$84.5M0.47%+31,799+7.7%Added
Lord, Abbett & Co. LLC455,951$86.4M0.30%−50,474−10.0%Reduced
Truist Financial Corp474,784$90.0M0.14%−778,885−62.1%Reduced
Johnson Investment Counsel Inc480,410$91.0M1.07%−14,458−2.9%Reduced
Mitsubishi UFJ Trust & Banking Corp483,888$91.7M0.22%−30,109−5.9%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.506,923$96.9M0.17%+48,611+10.6%Added
Bradley Foster & Sargent Inc512,620$97.1M1.89%+27,815+5.7%Added
BNP Paribas Arbitrage, SA513,489$97.3M0.18%−56,191−9.9%Reduced
State Board of Administration of Florida Retirement System527,063$99.9M0.21%−2,458−0.5%Reduced
Healthcare of Ontario Pension Plan Trust Fund529,991$100.4M0.35%+82,991+18.6%Added
Assenagon Asset Management S.A.532,670$100.9M0.31%+517,510+3,413.7%Added
The PNC Financial Services Group, Inc.544,276$103.1M0.08%−3,020−0.6%Reduced
Great West Life Assurance Co557,286$105.1M0.23%+35,945+6.9%Added
Voya Investment Management LLC562,643$106.6M0.11%−7,872−1.4%Reduced
Russell Investments Group, Ltd.576,356$109.1M0.19%+123,608+27.3%Added
Close Asset Management Ltd583,234$110.5M4.63%+3,830+0.7%Added
Intermede Investment Partners Ltd589,016$111.6M2.53%−28,713−4.6%Reduced
Schroder Investment Management Group590,325$111.8M0.14%−1990.0%Reduced
Pictet Asset Management Holding SA593,712$112.5M0.12%+91,872+18.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)594,259$112.6M0.43%−23,743−3.8%Reduced
Natixis Advisors, L.P.605,420$114.7M0.30%+4,011+0.7%Added
M&G Investment Management Ltd630,534$119.2M0.72%+62,179+10.9%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main632,946$119.9M0.16%−15,639−2.4%Reduced
Standard Life Aberdeen plc643,918$122.0M0.26%+98,079+18.0%Added
Adage Capital Partners GP, L.L.C.653,961$123.9M0.26%−137,200−17.3%Reduced
Assetmark, Inc671,609$127.2M0.46%+7,616+1.1%Added
Markel Group Inc.SuperinvestorMarkel Group684,500$129.7M1.41%+12,000+1.8%Added
TD Asset Management Inc702,111$133.0M0.13%−162,484−18.8%Reduced
CI Private Wealth, LLC761,238$144.2M0.27%+581,131+322.7%Added
Coho Partners, Ltd.767,433$145.4M3.38%−331,889−30.2%Reduced
New York State Common Retirement Fund773,068$146.5M0.20%−67,138−8.0%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.788,391$149.4M0.42%−89,562−10.2%Reduced
Voloridge Investment Management, LLC799,966$151.6M0.60%+279,511+53.7%Added
Nordea Investment Management AB806,598$152.6M0.19%−190,365−19.1%Reduced
Diamond Hill Capital Management Inc812,465$153.9M0.68%−20,346−2.4%Reduced
California State Teachers Retirement System814,427$154.3M0.21%+17,890+2.2%Added
National Pension Service818,072$155.0M0.22%+16,620+2.1%Added