MARSH & MCLENNAN COS INC MRSH
COM · Common Stock · CUSIP 571748102 · ISIN US5717481023
Global professional services firm
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($375.0m this quarter). Holder counts are more reliable. Shares outstanding: 492.7m as of 2025-04-14, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $243.93. Options: 21 managers hold calls ($111.8m notional), 28 hold puts ($97.4m).
Trends to Q1 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1,158 |
| Q4 2022 | 1,221 |
| Q1 2023 | 1,227 |
| Q2 2023 | 1,258 |
| Q3 2023 | 1,295 |
| Q4 2023 | 1,376 |
| Q1 2024 | 1,445 |
| Q2 2024 | 1,476 |
| Q3 2024 | 1,530 |
| Q4 2024 | 1,577 |
| Q1 2025 | 1,627 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2023 | 540 | 541 |
| Q3 2023 | 558 | 560 |
| Q4 2023 | 582 | 577 |
| Q1 2024 | 691 | 593 |
| Q2 2024 | 698 | 588 |
| Q3 2024 | 738 | 570 |
| Q4 2024 | 726 | 606 |
| Q1 2025 | 777 | 662 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2024 | $371.2m | $165.3m | 0.45 |
| Q3 2024 | $358.6m | $354.5m | 0.99 |
| Q4 2024 | $105.5m | $107.4m | 1.02 |
| Q1 2025 | $111.8m | $97.4m | 0.87 |
Biggest buyers
| WELLINGTON MANAGEMENT GROUP LLP | Added | +4.5m |
| Capital Research Global Investors | Added | +4.2m |
| Ninety One UK Ltd | Added | +1.4m |
| FMR LLC | Added | +917.2k |
| BANK OF AMERICA CORP /DE/ | Added | +634.5k |
| FRANKLIN RESOURCES INC | Added | +615.3k |
| VANGUARD GROUP INC | Added | +581.9k |
| UBS Group AG | Added | +467.3k |
| D. E. Shaw & Co., Inc. | Added | +461.8k |
| VOYA INVESTMENT MANAGEMENT LLC | Added | +439.9k |
Biggest sellers
| Amundi | Reduced | -2.5m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -1.6m |
| Alphinity Investment Management Pty Ltd | Reduced | -1.6m |
| MACKENZIE FINANCIAL CORP | Reduced | -1.6m |
| Impax Asset Management Group plc | Reduced | -1.1m |
| Assenagon Asset Management S.A. | Reduced | -1.1m |
| BlackRock, Inc. | Reduced | -1.0m |
| PARNASSUS INVESTMENTS, LLC | Reduced | -771.7k |
| JPMORGAN CHASE & CO | Reduced | -576.6k |
| AMERIPRISE FINANCIAL INC | Reduced | -539.4k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $40.4m165.6k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $15.9m65.2k shares |
| CITADEL ADVISORS LLC | Reduced | $15.1m61.7k shares |
| JANE STREET GROUP, LLC | Added | $8.7m35.8k shares |
| Parallax Volatility Advisers, L.P. | New | $5.9m24.0k shares |
| WOLVERINE TRADING, LLC | Added | $4.8m20.0k shares |
| READYSTATE ASSET MANAGEMENT LP | Reduced | $4.1m16.8k shares |
| Allianz Asset Management GmbH | Added | $3.4m14.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $2.9m11.9k shares |
| GROUP ONE TRADING LLC | Added | $2.7m11.1k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $29.2m119.7k shares |
| MILLENNIUM MANAGEMENT LLC | New | $10.6m43.5k shares |
| Oribel Capital Management, LP | New | $9.0m36.9k shares |
| Walleye Trading LLC | Reduced | $6.1m25.2k shares |
| WOLVERINE TRADING, LLC | Reduced | $5.7m23.6k shares |
| JPMORGAN CHASE & CO | Unchanged | $4.9m20.0k shares |
| Allianz Asset Management GmbH | Added | $4.8m19.8k shares |
| IMC-Chicago, LLC | Reduced | $4.3m17.5k shares |
| SIMPLEX TRADING, LLC | Added | $4.0m16.5k shares |
| Lido Advisors, LLC | Added | $2.8m11.3k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 7.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q1 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2023 | 0 | — | 2 | $15.0m | $13.0m |
| Q3 2023 | 0 | — | 2 | $3.1m | — |
| Q4 2023 | 0 | — | 2 | $1.9m | — |
| Q1 2024 | 0 | — | 8 | $11.6m | $3.9m |
| Q2 2024 | 0 | — | 2 | $1.7m | $455.8k |
| Q3 2024 | 0 | — | 4 | $18.0m | $16.4m |
| Q4 2024 | 0 | — | 1 | $1.1m | — |
| Q1 2025 | 0 | — | 7 | $32.9m | $11.8m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-03-31 | Klisura Dean Michael President & CEO, Guy Carpenter | Sold plan | $2.3m9.6k shares |
| 2025-03-12 | Studer Nicholas Mark President and CEO of OWG | Sold | $11.4m49.4k shares |
| 2025-03-10 | MCGIVNEY MARK C Chief Financial Officer | Sold plan | $2.5m10.5k shares |
| 2025-03-10 | Klisura Dean Michael President & CEO, Guy Carpenter | Sold plan | $1.7m7.1k shares |
| 2025-03-10 | Mills Stacy Vice President and Controller | Sold plan | $309.5k1.3k shares |
| 2025-03-06 | Jones John Jude Chief Marketing Officer | Sold | $2.5m10.8k shares |
| 2025-03-04 | South Martin President & CEO, Marsh | Sold | $6.3m26.5k shares |
| 2025-03-03 | Doyle John Q President and CEO | Sold plan | $5.0m21.1k shares |
| 2025-03-03 | Studer Nicholas Mark President and CEO of OWG | Sold | $871.2k3.6k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q1 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.20% of their portfolio | 45.3m $11.1bn | Added +581.9k |
| BlackRock, Inc. 0.21% of their portfolio | 40.6m $9.9bn | Reduced -1.0m |
| FMR LLC 0.35% of their portfolio | 22.2m $5.4bn | Added +917.2k |
| STATE STREET CORP 0.22% of their portfolio | 21.5m $5.2bn | Added +239.2k |
| Capital International Investors 0.88% of their portfolio | 18.3m $4.5bn | Added +30.4k |
| Capital World Investors 0.70% of their portfolio | 17.7m $4.3bn | Added +123.6k |
| WELLINGTON MANAGEMENT GROUP LLP 0.60% of their portfolio | 12.8m $3.1bn | Added +4.5m |
| GEODE CAPITAL MANAGEMENT, LLC 0.24% of their portfolio | 12.5m $3.0bn | Added +437.2k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.82% of their portfolio | 10.1m $2.5bn | Reduced -249.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.26% of their portfolio | 8.5m $2.1bn | Reduced -1.6m |
| AMERIPRISE FINANCIAL INC 0.51% of their portfolio | 7.8m $1.9bn | Reduced -539.4k |
| BANK OF AMERICA CORP /DE/ 0.15% of their portfolio | 7.1m $1.7bn | Added +634.5k |
| MORGAN STANLEY 0.12% of their portfolio | 6.8m $1.7bn | Added +272.5k |
| Capital Research Global Investors 0.35% of their portfolio | 6.6m $1.6bn | Added +4.2m |
| Mawer Investment Management Ltd. 7.04% of their portfolio | 6.0m $1.5bn | Reduced -249.4k |
| NORTHERN TRUST CORP 0.21% of their portfolio | 5.9m $1.4bn | Reduced -40.9k |
| NORGES BANK 0.20% of their portfolio | 5.7m $1.4bn | Reduced -102.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.32% of their portfolio | 5.2m $1.3bn | Reduced -37.6k |
| UBS Group AG 0.26% of their portfolio | 4.7m $1.2bn | Added +467.3k |
| GOLDMAN SACHS GROUP INC 0.20% of their portfolio | 4.3m $1.1bn | Added +319.1k |
| Nuveen, LLC 0.32% of their portfolio | 4.3m $1.0bn | First filing |
| JPMORGAN CHASE & CO 0.08% of their portfolio | 4.2m $1.0bn | Reduced -576.6k |
| WELLS FARGO & COMPANY/MN 0.21% of their portfolio | 3.6m $876.0m | Added +123.6k |
| Artisan Partners Limited Partnership 1.35% of their portfolio | 3.4m $832.5m | Reduced -73.9k |
| Legal & General Group Plc 0.22% of their portfolio | 3.3m $815.9m | Reduced -191.9k |
| Bank of New York Mellon Corp 0.16% of their portfolio | 3.3m $797.2m | Reduced -20.0k |
| DEUTSCHE BANK AG\ 0.31% of their portfolio | 3.2m $787.7m | Reduced -491.9k |
| Clearbridge Investments, LLC 0.63% of their portfolio | 2.9m $718.2m | Reduced -82.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.13% of their portfolio | 2.9m $697.5m | Added +65.8k |
| PARNASSUS INVESTMENTS, LLC 1.64% of their portfolio | 2.8m $682.7m | Reduced -771.7k |
| PRIMECAP MANAGEMENT CO/CA/ 0.54% of their portfolio | 2.7m $655.9m | Reduced -44.4k |
| ROYAL BANK OF CANADA 0.14% of their portfolio | 2.6m $645.7m | Added +198.7k |
| JENSEN INVESTMENT MANAGEMENT INC 7.10% of their portfolio | 2.6m $641.7m | Reduced -410.9k |
| NIPPON LIFE INSURANCE CO 10.15% of their portfolio | 2.6m $640.0m | Unchanged |
| Invesco Ltd. 0.12% of their portfolio | 2.6m $633.4m | Reduced -231.9k |
| Longview Partners (Guernsey) LTD 4.72% of their portfolio | 2.4m $587.0m | Reduced -155.5k |
| Ninety One UK Ltd 1.61% of their portfolio | 2.4m $578.5m | Added +1.4m |
| LAZARD ASSET MANAGEMENT LLC 0.88% of their portfolio | 2.3m $570.6m | Reduced -397.7k |
| STIFEL FINANCIAL CORP 0.59% of their portfolio | 2.3m $554.3m | Added +46.7k |
| California Public Employees Retirement System 0.37% of their portfolio | 2.2m $530.0m | Reduced -66.8k |
| AKO CAPITAL LLP 6.72% of their portfolio | 2.1m $517.8m | Added +58.9k |
| BARCLAYS PLC 0.24% of their portfolio | 2.1m $517.0m | Reduced -384.2k |
| DIMENSIONAL FUND ADVISORS LP 0.13% of their portfolio | 2.1m $503.2m | Added +33.7k |
| Robeco Institutional Asset Management B.V. 0.94% of their portfolio | 2.0m $482.7m | Added +304.4k |
| Bahl & Gaynor LLC 2.44% of their portfolio | 2.0m $478.4m | Added +55.9k |
| JANUS HENDERSON GROUP PLC 0.26% of their portfolio | 1.9m $470.8m | Reduced -123.2k |
| BNP PARIBAS FINANCIAL MARKETS 0.30% of their portfolio | 1.6m $397.2m | First filing |
| FRANKLIN RESOURCES INC 0.11% of their portfolio | 1.5m $376.5m | Added +615.3k |
| Amundi 0.14% of their portfolio | 1.5m $373.5m | Reduced -2.5m |
| Navera Investment Management Ltd. 6.75% of their portfolio | 1.5m $368.8m | Added +71.9k |
| HSBC HOLDINGS PLC 0.23% of their portfolio | 1.4m $340.7m | Reduced -5.3k |
| ALLIANCEBERNSTEIN L.P. 0.12% of their portfolio | 1.4m $339.9m | Added +54.3k |
| Swiss National Bank 0.24% of their portfolio | 1.4m $338.0m | Reduced -4.2k |
| ENVESTNET ASSET MANAGEMENT INC 0.10% of their portfolio | 1.2m $302.9m | Added +16.9k |
| W1M Investment Management Ltd 4.55% of their portfolio | 1.2m $294.3m | Added +32.3k |
| CANADA LIFE ASSURANCE Co 0.52% of their portfolio | 1.2m $294.8m | Added +18.3k |
| ACADIAN ASSET MANAGEMENT LLC 0.83% of their portfolio | 1.2m $294.1m | Reduced -363.5k |
| Sumitomo Mitsui Trust Group, Inc. 0.21% of their portfolio | 1.2m $290.2m | Added +5.7k |
| DekaBank Deutsche Girozentrale 0.55% of their portfolio | 1.2m $280.1m | Reduced -18.0k |
| Qube Research & Technologies Ltd 0.44% of their portfolio | 1.2m $283.7m | Reduced -289.8k |
| FIL Ltd 0.26% of their portfolio | 1.1m $278.6m | Added +5.5k |
| Findlay Park Partners LLP 2.84% of their portfolio | 1.1m $275.8m | Added +242.4k |
| AMERICAN CENTURY COMPANIES INC 0.17% of their portfolio | 1.1m $269.7m | Reduced -19.6k |
| FIRST TRUST ADVISORS LP 0.23% of their portfolio | 1.1m $263.0m | Reduced -48.0k |
| AVIVA PLC 0.62% of their portfolio | 1.0m $255.9m | Added +43.9k |
| STOREBRAND ASSET MANAGEMENT AS 0.79% of their portfolio | 996.1k $243.1m | Reduced -175.7k |
| Caisse de depot et placement du Quebec 0.51% of their portfolio | 992.4k $242.2m | Added +164.9k |
| RHUMBLINE ADVISERS 0.23% of their portfolio | 990.0k $241.6m | Added +28.6k |
| National Pension Service 0.23% of their portfolio | 978.5k $238.8m | Added +45.0k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.88% of their portfolio | 976.7k $238.3m | Reduced -60.9k |
| TD Asset Management Inc 0.22% of their portfolio | 968.8k $236.4m | Added +152.7k |
| RAYMOND JAMES FINANCIAL INC 0.09% of their portfolio | 933.1k $227.7m | Reduced -42.7k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.25% of their portfolio | 896.8k $218.8m | Reduced -55.9k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.20% of their portfolio | 891.7k $217.6m | Added +93.9k |
| Polar Capital Holdings Plc 1.30% of their portfolio | 874.0k $213.3m | Unchanged |
| BANK OF MONTREAL /CAN/ 0.11% of their portfolio | 852.5k $208.0m | Reduced -152.1k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.26% of their portfolio | 849.7k $207.3m | Reduced -8.4k |
| PRINCIPAL FINANCIAL GROUP INC 0.12% of their portfolio | 840.3k $205.1m | Added +3.6k |
| Alphinity Investment Management Pty Ltd 1.37% of their portfolio | 827.6k $202.0m | Reduced -1.6m |
| MONTRUSCO BOLTON INVESTMENTS INC. 2.56% of their portfolio | 823.6k $194.8m | Added +71.8k |
| D. E. Shaw & Co., Inc. 0.23% of their portfolio | 806.9k $196.9m | Added +461.8k |
| NATIXIS ADVISORS, LLC 0.36% of their portfolio | 804.8k $196.4m | Added +16.0k |
| NORDEA INVESTMENT MANAGEMENT AB 0.20% of their portfolio | 778.8k $190.4m | Reduced -92.5k |
| Rathbones Group PLC 0.91% of their portfolio | 770.7k $188.1m | Added +114.8k |
| Capital Group Private Client Services, Inc. 1.83% of their portfolio | 767.7k $187.3m | Reduced -25.7k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.17% of their portfolio | 748.0k $182.5m | Reduced -233.6k |
| Markel Group Inc. 1.61% of their portfolio | 743.5k $181.4m | Added +8.0k |
| MACKENZIE FINANCIAL CORP 0.25% of their portfolio | 731.1k $178.4m | Reduced -1.6m |
| Epoch Investment Partners, Inc. 0.91% of their portfolio | 720.8k $175.9m | Added +146.6k |
| LORD, ABBETT & CO. LLC 0.58% of their portfolio | 667.0k $162.8m | Unchanged |
| ASSETMARK, INC 0.44% of their portfolio | 658.2k $160.6m | Reduced -9.0k |
| VOYA INVESTMENT MANAGEMENT LLC 0.09% of their portfolio | 642.4k $156.8m | Added +439.9k |
| PRUDENTIAL FINANCIAL INC 0.22% of their portfolio | 637.3k $155.5m | Added +153.4k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.31% of their portfolio | 630.9k $154.0m | Added +71.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.23% of their portfolio | 628.9k $153.5m | Reduced -42.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.23% of their portfolio | 619.0k $151.1m | Added +115.9k |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.93% of their portfolio | 603.5k $147.3m | Reduced -12.6k |
| CCLA Investment Management 2.60% of their portfolio | 601.4k $146.7m | Added +52.8k |
| PNC Financial Services Group, Inc. 0.08% of their portfolio | 595.9k $145.4m | Added +7.9k |
| CITIGROUP INC 0.11% of their portfolio | 575.0k $140.3m | Added +243.3k |