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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, Q3 2023

Institutional positions in Marsh & McLennan Companies, Inc. as of Sep 30, 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
1,294
+51 vs. Q2 2023
Shares held
430.7M
−3.30M (−0.8%) vs. Q2 2023
Total value
$82.0B
+$626.8M (+0.8%) vs. Q2 2023
New holders
115
459 more added
Sold out
64
496 more reduced

15 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 1,294 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 heldQ3 2023: $82.0B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q2 2023.

Institutions holding MRSH in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc43,617,906$8.30B0.20%+50,365+0.1%Added
BlackRock Inc.40,563,377$7.72B0.22%−573,120−1.4%Reduced
State Street Corp20,709,295$3.94B0.22%−618,041−2.9%Reduced
Capital International Investors19,953,173$3.80B0.96%−470,031−2.3%Reduced
FMR LLC19,423,136$3.70B0.32%+61,408+0.3%Added
Capital World Investors17,213,330$3.28B0.65%+12,205+0.1%Added
Wellington Management Group LLP14,642,260$2.79B0.56%+10,401+0.1%Added
Massachusetts Financial Services Co12,359,733$2.35B0.82%−291,967−2.3%Reduced
Geode Capital Management, LLC9,844,745$1.87B0.22%+211,610+2.2%Added
Ameriprise Financial Inc8,278,659$1.58B0.52%+31,821+0.4%Added
Price T Rowe Associates Inc7,716,544$1.47B0.22%−528,935−6.4%Reduced
Mawer Investment Management Ltd.7,242,069$1.38B7.36%−267,283−3.6%Reduced
Bank of America Corp6,935,069$1.32B0.16%+173,740+2.6%Added
Morgan Stanley6,145,046$1.17B0.12%+150,655+2.5%Added
Northern Trust Corp5,979,821$1.14B0.22%+271,408+4.8%Added
Norges Bank4,867,105$926.2M0.19%+339,698+7.5%Added
Nuveen Asset Management, LLC4,456,056$848.0M0.30%−72,219−1.6%Reduced
JPMorgan Chase & Co4,262,850$811.2M0.09%−12,399−0.3%Reduced
Parnassus Investments4,248,108$808.4M1.98%−83,378−1.9%Reduced
Goldman Sachs Group Inc4,140,051$787.9M0.20%+369,100+9.8%Added
UBS Asset Management Americas Inc3,950,096$751.7M0.34%−29,287−0.7%Reduced
Lazard Asset Management LLC3,761,954$715.9M0.97%−67,243−1.8%Reduced
Bank of New York Mellon Corp3,642,006$693.1M0.15%−103,054−2.8%Reduced
Legal & General Group Plc3,625,100$689.9M0.24%−124,139−3.3%Reduced
Artisan Partners Limited Partnership3,425,259$651.8M1.11%−96,790−2.7%Reduced
Wells Fargo & Company3,373,972$642.1M0.20%+303,429+9.9%Added
Clearbridge Investments, LLC3,340,566$635.7M0.61%−422,787−11.2%Reduced
Longview Partners (Guernsey) LTD3,328,009$633.3M4.49%+11,889+0.4%Added
California Public Employees Retirement System3,277,576$623.7M0.54%+83,785+2.6%Added
UBS Group AG3,169,555$603.2M0.28%−210,243−6.2%Reduced
Jensen Investment Management Inc3,016,476$574.0M4.54%+86,282+2.9%Added
Primecap Management Co2,932,594$558.1M0.47%−36,245−1.2%Reduced
Deutsche Bank AG2,804,061$533.6M0.35%−491,879−14.9%Reduced
T. Rowe Price Investment Management, Inc.2,648,024$503.9M0.36%−733,523−21.7%Reduced
Nippon Life Insurance Co2,622,700$499.1M24.36%00.0%Unchanged
Charles Schwab Investment Management Inc2,530,964$481.6M0.14%+28,013+1.1%Added
Capital Research Global Investors2,140,838$407.4M0.11%+1,963+0.1%Added
Bahl & Gaynor Inc1,959,049$372.8M2.38%−41,774−2.1%Reduced
Invesco Ltd.1,907,313$363.0M0.10%−258,955−12.0%Reduced
Alphinity Investment Management Pty Ltd1,878,942$357.6M5.72%+266,844+16.6%Added
American Century Companies Inc1,861,562$354.3M0.27%−76,682−4.0%Reduced
Amundi1,697,909$324.2M0.16%−539,294−24.1%Reduced
Janus Henderson Group PLC1,646,649$313.4M0.21%+933,425+130.9%Added
Robeco Institutional Asset Management B.V.1,643,805$312.8M0.84%+150,410+10.1%Added
Dimensional Fund Advisors LP1,636,719$311.5M0.10%+27,116+1.7%Added
Swiss National Bank1,591,300$302.8M0.24%−196,800−11.0%Reduced
Alliancebernstein L.P.1,556,154$296.1M0.13%−11,486−0.7%Reduced
Barclays PLC1,517,082$288.7M0.19%−44,030−2.8%Reduced
Credit Suisse AG1,349,474$256.8M0.27%−8,265−0.6%Reduced
Caisse de Depot Et Placement du Quebec1,316,316$250.5M0.72%+168,009+14.6%Added
Manufacturers Life Insurance Company, The1,288,393$245.2M0.14%−40,509−3.0%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,277,606$243.1M0.20%−19,478−1.5%Reduced
Echo Street Capital Management LLC1,265,958$240.9M2.24%−795,409−38.6%Reduced
Truist Financial Corp1,253,669$238.6M0.40%+25,860+2.1%Added
Envestnet Asset Management Inc1,211,704$230.6M0.11%+235,502+24.1%Added
Veritas Investment Partners (UK) Ltd.1,201,581$228.7M6.12%−30,110−2.4%Reduced
DekaBank Deutsche Girozentrale1,170,171$226.0M0.52%−2520.0%Reduced
Acadian Asset Management LLC1,141,035$217.1M0.91%+236,129+26.1%Added
Findlay Park Partners LLP1,100,424$209.4M2.25%−10,371−0.9%Reduced
Coho Partners, Ltd.1,099,322$209.2M4.46%−111,194−9.2%Reduced
Royal Bank of Canada1,061,573$202.0M0.06%−73,829−6.5%Reduced
Rhumbline Advisers1,026,985$195.4M0.23%−7,044−0.7%Reduced
Ninety One UK Ltd1,011,452$192.5M0.61%−35,532−3.4%Reduced
Nordea Investment Management AB996,963$191.6M0.27%+70,443+7.6%Added
First Trust Advisors LP1,000,538$190.4M0.23%−6,397−0.6%Reduced
Allianz Asset Management GmbH998,355$190.0M0.39%+182,067+22.3%Added
HSBC Holdings PLC970,356$184.7M0.20%+89,055+10.1%Added
Polar Capital Holdings Plc963,122$183.3M1.36%−61,866−6.0%Reduced
Raymond James & Associates917,796$174.7M0.15%+7,454+0.8%Added
FIL Ltd905,934$172.4M0.20%+84,969+10.3%Added
Aviva PLC897,267$170.7M0.72%−29,778−3.2%Reduced
Waverton Investment Management Ltd895,537$170.4M4.93%−5,576−0.6%Reduced
Montrusco Bolton Investments Inc.909,160$167.9M2.45%+112,389+14.1%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.877,953$167.1M0.51%−132,987−13.2%Reduced
Ako Capital LLP877,275$166.9M2.72%+161,498+22.6%Added
Principal Financial Group Inc873,295$166.2M0.12%−15,269−1.7%Reduced
TD Asset Management Inc864,595$164.5M0.20%+25,005+3.0%Added
Prudential Financial Inc854,383$162.6M0.25%+167,727+24.4%Added
Capital Group Private Client Services, Inc.853,566$162.4M1.98%−25,456−2.9%Reduced
New York State Common Retirement Fund840,206$159.9M0.23%−54,561−6.1%Reduced
Diamond Hill Capital Management Inc832,811$158.5M0.77%−341,383−29.1%Reduced
Bank of Montreal793,019$155.7M0.09%−68,831−8.0%Reduced
National Pension Service801,452$155.1M0.25%+9,794+1.2%Added
California State Teachers Retirement System796,537$151.6M0.23%−30,020−3.6%Reduced
Adage Capital Partners GP, L.L.C.791,161$150.6M0.34%+298,300+60.5%Added
Markel Group Inc.SuperinvestorMarkel Group672,500$128.0M1.54%+13,000+2.0%Added
Assetmark, Inc663,993$126.4M0.51%−1790.0%Reduced
Millennium Management LLC662,797$126.1M0.13%+186,099+39.0%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main648,585$123.4M0.18%+4,358+0.7%Added
KBC Group NV641,975$122.2M0.50%−25,255−3.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)618,002$117.6M0.52%+2,332+0.4%Added
Intermede Investment Partners Ltd617,729$117.6M3.01%−24,508−3.8%Reduced
Natixis Advisors, L.P.601,409$114.4M0.35%+14,748+2.5%Added
Schroder Investment Management Group590,524$112.4M0.17%−19,481−3.2%Reduced
Mackenzie Financial Corp588,729$111.1M0.19%−88,168−13.0%Reduced
Close Asset Management Ltd579,404$110.3M5.69%+629+0.1%Added
Man Group plc–$108.6M0.34%––
Voya Investment Management LLC570,515$108.6M0.12%−52,513−8.4%Reduced
BNP Paribas Arbitrage, SA569,680$108.4M0.24%−14,681−2.5%Reduced
Jennison Associates LLC568,420$108.2M0.09%−142,615−20.1%Reduced