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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 2025

Institutional positions in Marsh & McLennan Companies, Inc. as of Jun 30, 2025. 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
1,610
+2 vs. Q1 2025
Shares held
447.6M
+6.17M (+1.4%) vs. Q1 2025
Total value
$97.3B
−$10.4B (−9.7%) vs. Q1 2025
New holders
131
617 more added
Sold out
129
591 more reduced

19 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,610 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 2025: $97.3B
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 2025

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q1 2025.

Institutions holding MRSH in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Mariner, LLC457,562$100.0M0.14%−3,240−0.7%Reduced
State Board of Administration of Florida Retirement System476,515$104.2M0.18%−1,664−0.3%Reduced
Impax Asset Management Group plc482,408$104.4M0.60%+41,527+9.4%Added
Citigroup Inc487,792$106.7M0.07%−87,202−15.2%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH506,910$110.8M0.20%−123,975−19.7%Reduced
BNP Paribas Arbitrage, SA507,059$110.9M0.09%−1,120,456−68.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)520,346$113.8M0.28%+99,251+23.6%Added
Pictet Asset Management Holding SA530,301$115.9M0.12%+1,225+0.2%Added
Bradley Foster & Sargent Inc537,034$117.4M1.84%−2,353−0.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund546,655$119.5M0.24%+119,799+28.1%Added
Capital International Inc553,074$120.9M1.17%+132,653+31.6%Added
Prudential Financial Inc557,486$121.9M0.16%−79,821−12.5%Reduced
Sarasin & Partners LLP559,328$122.3M1.22%+559,328New
Bank of Montreal567,020$124.0M0.06%−285,453−33.5%Reduced
The PNC Financial Services Group, Inc.598,381$130.8M0.08%+2,530+0.4%Added
Lord, Abbett & Co. LLC600,223$131.2M0.42%−66,823−10.0%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.614,661$134.4M0.33%+270,205+78.4%Added
New York State Common Retirement Fund626,229$136.9M0.18%−2,690−0.4%Reduced
Epoch Investment Partners, Inc.631,147$138.0M0.71%−89,687−12.4%Reduced
CCLA Investment Management Ltd641,509$140.3M2.30%+40,136+6.7%Added
Acadian Asset Management LLC642,091$140.4M0.29%−563,031−46.7%Reduced
Nordea Investment Management AB658,140$142.8M0.13%−120,623−15.5%Reduced
Assetmark, Inc684,512$149.7M0.35%+26,360+4.0%Added
Millennium Management LLC693,691$151.7M0.14%+275,712+66.0%Added
Voloridge Investment Management, LLC713,413$156.0M0.57%−263,282−27.0%Reduced
Markel Group Inc.SuperinvestorMarkel Group748,750$163.7M1.38%+5,250+0.7%Added
Capital Group Private Client Services, Inc.748,784$163.7M1.42%−18,871−2.5%Reduced
Worldquant Millennium Advisors LLC753,658$164.8M0.82%+150,191+24.9%Added
California State Teachers Retirement System790,336$172.8M0.19%−59,327−7.0%Reduced
Assenagon Asset Management S.A.808,800$176.8M0.28%+793,052+5,035.9%Added
Natixis Advisors, L.P.810,004$177.1M0.28%+5,251+0.7%Added
Principal Financial Group Inc811,629$177.5M0.09%−28,664−3.4%Reduced
Storebrand Asset Management AS865,365$189.2M0.55%−130,778−13.1%Reduced
Findlay Park Partners LLP885,767$193.7M2.00%−244,600−21.6%Reduced
Swedbank AB896,659$196.0M0.22%+896,659New
Polar Capital Holdings Plc910,000$199.0M1.04%+36,000+4.1%Added
TD Asset Management Inc925,535$202.4M0.17%−43,275−4.5%Reduced
Raymond James Financial Inc928,508$203.0M0.07%−4,604−0.5%Reduced
Rhumbline Advisers948,045$207.3M0.18%−41,917−4.2%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.957,356$209.3M0.17%+65,642+7.4%Added
Renaissance Technologies LLC973,931$212.9M0.28%+354,931+57.3%Added
Rathbone Brothers plc990,944$216.7M0.93%+220,278+28.6%Added
Two Sigma Investments, LP993,284$217.2M0.39%+778,413+362.3%Added
National Pension Service1,015,487$222.0M0.19%+37,025+3.8%Added
Jennison Associates LLC1,051,055$229.8M0.14%+727,714+225.1%Added
Aviva PLC1,080,184$236.2M0.49%+31,669+3.0%Added
American Century Companies Inc1,104,953$241.6M0.13%−840.0%Reduced
First Trust Advisors LP1,172,398$256.3M0.21%+94,798+8.8%Added
DekaBank Deutsche Girozentrale1,193,291$258.7M0.46%+18,008+1.5%Added
Great West Life Assurance Co1,186,608$260.0M0.41%−19,019−1.6%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,189,513$260.1M0.16%+4080.0%Added
D. E. Shaw & Co., Inc.1,204,529$263.4M0.26%+397,615+49.3%Added
FIL Ltd1,204,733$263.4M0.23%+63,264+5.5%Added
HSBC Holdings PLC1,230,414$268.5M0.17%−169,194−12.1%Reduced
Envestnet Asset Management Inc1,270,324$277.7M0.08%+29,127+2.3%Added
Alliancebernstein L.P.1,279,323$279.7M0.09%−113,412−8.1%Reduced
Qube Research & Technologies Ltd1,282,580$280.4M0.39%+120,094+10.3%Added
Waverton Investment Management Ltd1,292,140$282.6M3.89%+86,182+7.1%Added
Manufacturers Life Insurance Company, The1,341,359$293.3M0.26%+593,353+79.3%Added
Swiss National Bank1,491,600$326.1M0.20%+106,500+7.7%Added
Veritas Investment Partners (UK) Ltd.1,518,006$331.9M6.03%+6,710+0.4%Added
Franklin Resources Inc1,521,433$332.6M0.09%−21,416−1.4%Reduced
Barclays PLC1,554,385$339.9M0.13%−564,129−26.6%Reduced
Ako Capital LLP1,782,200$389.7M4.92%−339,530−16.0%Reduced
California Public Employees Retirement System1,822,252$398.4M0.25%−349,494−16.1%Reduced
Janus Henderson Group PLC1,854,931$405.6M0.20%−87,375−4.5%Reduced
Robeco Institutional Asset Management B.V.1,889,293$413.1M0.67%−88,926−4.5%Reduced
Bahl & Gaynor Inc1,933,318$422.7M2.14%−27,178−1.4%Reduced
Primecap Management Co1,962,826$429.2M0.34%−725,100−27.0%Reduced
Dimensional Fund Advisors LP2,020,456$441.7M0.10%−41,822−2.0%Reduced
Stifel Financial Corp2,255,144$493.1M0.48%−16,442−0.7%Reduced
Longview Partners (Guernsey) LTD2,269,216$496.1M4.27%−136,400−5.7%Reduced
Mackenzie Financial Corp2,285,194$499.6M0.65%+1,554,114+212.6%Added
Jensen Investment Management Inc2,423,637$529.9M6.21%−206,049−7.8%Reduced
Ninety One UK Ltd2,527,744$552.7M1.30%+157,066+6.6%Added
Invesco Ltd.2,539,360$555.2M0.09%−56,354−2.2%Reduced
Clearbridge Investments, LLC2,562,974$560.4M0.45%−380,066−12.9%Reduced
Lazard Asset Management LLC2,593,291$567.0M0.78%+254,912+10.9%Added
Nippon Life Insurance Co2,622,700$573.4M8.66%00.0%Unchanged
Parnassus Investments2,659,484$581.5M1.34%−137,993−4.9%Reduced
Amundi2,892,576$615.3M0.21%+1,363,706+89.2%Added
Royal Bank of Canada2,822,214$617.0M0.12%+176,089+6.7%Added
Charles Schwab Investment Management Inc2,901,598$634.4M0.11%+43,462+1.5%Added
Bank of New York Mellon Corp3,076,874$672.7M0.13%−190,012−5.8%Reduced
Deutsche Bank AG3,154,512$689.7M0.25%−73,378−2.3%Reduced
Legal & General Group Plc3,155,101$689.8M0.17%−188,198−5.6%Reduced
Artisan Partners Limited Partnership3,443,454$752.9M1.12%+32,118+0.9%Added
Wells Fargo & Company3,563,950$779.2M0.17%−25,892−0.7%Reduced
Nuveen, LLC4,116,867$900.1M0.25%−139,142−3.3%Reduced
JPMorgan Chase & Co4,451,953$973.4M0.07%+218,915+5.2%Added
UBS Group AG4,539,709$992.6M0.21%−205,119−4.3%Reduced
Goldman Sachs Group Inc4,599,815$1.01B0.16%+254,604+5.9%Added
Mawer Investment Management Ltd.5,374,871$1.18B5.96%−597,241−10.0%Reduced
UBS Asset Management Americas Inc5,706,940$1.25B0.25%+526,018+10.2%Added
Northern Trust Corp5,727,176$1.25B0.17%−166,235−2.8%Reduced
Norges Bank6,076,595$1.33B0.17%+359,124+6.3%Added
Morgan Stanley6,494,294$1.42B0.09%−347,481−5.1%Reduced
Bank of America Corp6,619,135$1.45B0.12%−524,453−7.3%Reduced
Ameriprise Financial Inc6,842,335$1.49B0.37%−950,747−12.2%Reduced
Massachusetts Financial Services Co9,676,163$2.12B0.67%−420,978−4.2%Reduced