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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 2026

Institutional positions in Marsh & McLennan Companies, Inc. as of Mar 31, 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
1,548
−24 vs. Q4 2025
Shares held
438.9M
+59.3M (+15.6%) vs. Q4 2025
Total value
$76.1B
+$5.70B (+8.1%) vs. Q4 2025
New holders
142
614 more added
Sold out
166
579 more reduced

22 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,548 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 2026: $76.1B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Marsh & McLennan Companies, Inc.; share changes are against Q4 2025.

Institutions holding MRSH in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Corps Capital Advisors, LLC4,045$701.6K0.61%+1,345+49.8%Added
Wingate Wealth Advisors, Inc.4,022$697.6K0.37%−18−0.4%Reduced
Ausdal Financial Partners, Inc.4,019$697.1K0.03%−110−2.7%Reduced
Soltis Investment Advisors LLC4,010$695.5K0.05%+1,481+58.6%Added
Tobam3,992$692.0K0.18%+3+0.1%Added
Sowell Financial Services LLC3,984$690.9K0.03%+179+4.7%Added
Vanguard National Trust Co3,982$690.7K0.04%+3,982New
SFMG, LLC3,963$687.3K0.05%−20−0.5%Reduced
Coastal Bridge Advisors, LLC3,947$684.6K0.05%+95+2.5%Added
Perpetual Ltd3,944$684.1K0.01%+2,822+251.5%Added
Jackson Thornton Asset Management, LLC4,049$680.8K0.06%+2,112+109.0%Added
EntryPoint Capital, LLC3,920$679.9K0.20%−2,147−35.4%Reduced
Baker Ellis Asset Management LLC3,896$675.8K0.08%−410−9.5%Reduced
Kondo Wealth Advisors, Inc.3,896$675.8K0.25%−6−0.2%Reduced
Sumitomo Life Insurance Co3,894$675.4K0.02%−4,321−52.6%Reduced
Parisi Gray Wealth Management3,882$673.4K0.16%00.0%Unchanged
James Hambro & Partners3,856$668.7K0.03%−72−1.8%Reduced
Midwest Trust Co3,827$663.8K0.01%−335−8.0%Reduced
Verition Fund Management LLC3,823$663.1K0.01%−32,963−89.6%Reduced
Summit Global Investments3,809$661.0K0.04%+10+0.3%Added
Sageworth Trust Co3,782$656.0K0.03%+3,782New
Groupama Asset Managment3,766$653.2K0.01%+1,530+68.4%Added
Maridea Wealth Management LLC3,758$651.8K0.10%+1,882+100.3%Added
MOKAN Wealth Management Inc.3,752$650.5K0.29%+3,752New
Matthew Goff Investment Advisor, LLC3,749$650.3K0.11%00.0%Unchanged
Signet Private Wealth LLC3,748$650.1K0.62%−197−5.0%Reduced
Allred Capital Management, LLC3,719$645.2K0.23%+55+1.5%Added
Buckley Wealth Management, LLC3,716$644.5K0.16%+387+11.6%Added
Aries Wealth Management3,713$644.0K0.14%−116−3.0%Reduced
Sylvest Advisors, LLC3,684$639.0K0.34%+180+5.1%Added
Pinnacle Wealth Planning Services, Inc.3,679$638.0K0.07%−55−1.5%Reduced
Gateway Wealth Partners, LLC3,677$637.9K0.02%+3,677New
J. Safra Sarasin Holding AG3,652$633.4K0.01%−120,303−97.1%Reduced
GTS Securities LLC3,648$632.7K0.02%−3,568−49.4%Reduced
Shira Ridge Wealth Management3,641$631.5K0.25%00.0%Unchanged
Legacy Wealth Asset Management, LLC3,641$631.5K0.15%+100+2.8%Added
Empower Advisory Group, LLC3,640$631.4K0.00%−368−9.2%Reduced
Manchester Capital Management LLC3,639$631.2K0.09%−63−1.7%Reduced
Fox Run Management, L.L.C.3,611$630.9K0.11%+3,611New
Vista Investment Partners LLC3,600$624.4K0.17%00.0%Unchanged
Loudon Investment Management, LLC3,600$624.4K0.34%+3,600New
Caldwell Trust Co3,531$612.5K0.05%00.0%Unchanged
Essex Investment Management Co LLC3,530$612.3K0.10%−369−9.5%Reduced
First National Trust Co3,528$611.9K0.02%−384−9.8%Reduced
SBI Okasan Asset Management Co.Ltd.3,500$611.5K0.03%00.0%Unchanged
Qtron Investments LLC3,524$611.2K0.08%00.0%Unchanged
PCM Encore, LLC3,507$608.3K0.13%+82+2.4%Added
Noesis Capital Mangement Corp3,500$607.1K0.09%00.0%Unchanged
Fort Sheridan Advisors LLC3,491$605.5K0.07%+3,491New
Wick Capital Partners, LLC3,470$601.9K0.11%+1,395+67.2%Added
Connecticut Wealth Management, LLC3,464$600.8K0.03%−681−16.4%Reduced
Coign Capital Advisors LLC3,450$598.4K0.31%+249+7.8%Added
Strategic Blueprint, LLC3,446$597.7K0.03%+12+0.3%Added
Jump Financial, LLC3,440$596.7K0.01%−144,447−97.7%Reduced
Prospera Financial Services Inc3,386$588.1K0.01%−886−20.7%Reduced
Fulton Bank, N.A.3,353$581.6K0.02%−294−8.1%Reduced
Livforsakringsbolaget Skandia, Omsesidigt3,334$578.1K0.02%00.0%Unchanged
Supplemental Annuity Collective Trust of NJ3,317$575.3K0.16%+3,317New
Fi3 FINANCIAL ADVISORS, LLC3,314$574.9K0.17%+2,161+187.4%Added
Kiley Juergens Wealth Management, LLC3,300$572.4K0.10%+3,300New
Palisade Capital Management LLC3,298$572.0K0.02%+2,114+178.5%Added
United Bank3,281$569.1K0.19%−3,352−50.5%Reduced
Waller Financial Planning Group, Inc3,272$567.5K0.13%+17+0.5%Added
Alerus Financial NA3,268$566.8K0.03%−786−19.4%Reduced
Catalyst Funds Management Pty Ltd3,265$566.3K0.10%+3,265New
Legacy Advisors, LLC3,253$564.2K0.07%+278+9.3%Added
Kohmann Bosshard Financial Services, LLC3,244$562.7K0.05%00.0%Unchanged
Parvin Asset Management, LLC3,230$560.2K0.41%00.0%Unchanged
Green Harvest Asset Management LLC3,226$559.5K0.01%+528+19.6%Added
SWMG, LLC3,206$556.1K0.16%−341−9.6%Reduced
Intellus Advisors LLC3,205$555.9K0.08%+964+43.0%Added
Duncker Streett & Co Inc3,200$555.0K0.11%00.0%Unchanged
Defined Wealth Management, LLC3,197$554.5K0.32%+40+1.3%Added
Yanni & Associates Investment Advisors, LLC3,180$551.6K0.57%00.0%Unchanged
Permanent Capital Management, LP3,252$548.3K0.09%+16+0.5%Added
Massmutual Trust Co FSB3,157$547.6K0.01%+52+1.7%Added
Advance Capital Management, Inc.3,152$546.7K0.02%−491−13.5%Reduced
Rodgers Brothers Inc.3,150$546.4K0.06%00.0%Unchanged
44 Wealth Management LLC3,148$546.0K0.19%+195+6.6%Added
LGT Fund Management Co Ltd.3,136$543.9K0.02%−344−9.9%Reduced
Missouri Trust & Investment Co3,120$541.2K0.16%−20−0.6%Reduced
Williams Jones Wealth Management, LLC.3,118$540.8K0.01%−43−1.4%Reduced
TIAA Wealth Investment Management LLC3,116$540.5K0.00%+3,116New
Capital Performance Advisors LLP3,107$539.0K0.04%+1,801+137.9%Added
Vicus Capital3,107$538.8K0.04%+16+0.5%Added
Bill Few Associates, Inc.3,090$536.0K0.13%+5+0.2%Added
Florida Financial Advisors, LLC3,088$536.0K0.13%+113+3.8%Added
Leonteq Securities AG3,082$534.6K0.03%+2,500+429.6%Added
71 West Capital Partners3,076$533.5K0.02%+936+43.7%Added
Capula Management Ltd3,043$527.8K0.00%+3,043New
North Star Asset Management Inc3,030$525.6K0.02%00.0%Unchanged
Boothbay Fund Management, LLC3,021$524.0K0.01%−1,832−37.7%Reduced
MCF Advisors LLC3,001$520.4K0.02%+1,396+87.0%Added
Venator Management LLC3,000$520.4K0.13%+300+11.1%Added
Advisors Capital Management, LLC2,995$519.6K0.01%+237+8.6%Added
Mach-1 Financial Group, Inc.2,984$517.6K0.18%−2,021−40.4%Reduced
RiverFront Investment Group, LLC2,977$516.4K0.01%+70+2.4%Added
Boltwood Capital Management2,968$514.8K0.13%−1,505−33.6%Reduced
CSU Producer Resources, Inc.2,967$514.6K1.47%00.0%Unchanged
OpenArc Corporate Advisory, LLC2,950$511.7K0.01%+20+0.7%Added