Vault-13

MARSH & MCLENNAN COS INC MRSH

COM · Common Stock · CUSIP 571748102 · ISIN US5717481023

Global professional services firm

1,158 institutional holders
435,989,344436.0m shares reported held*
87.9% of all shares outstanding*
$65.1bnreported value*

* 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 ($324.4m this quarter). Holder counts are more reliable. Shares outstanding: 496.0m as of 2022-10-17, 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 ≈ $149.37. Options: 18 managers hold calls ($83.3m notional), 21 hold puts ($77.9m).

Biggest calls

JANE STREET GROUP, LLC — $30.4m203.3k shares
CITADEL ADVISORS LLC — $25.2m168.8k shares
Laurion Capital Management LP — $6.9m46.4k shares
Squarepoint Ops LLC — $5.9m39.6k shares
Paloma Partners Management Co — $3.5m23.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $3.0m20.0k shares
WOLVERINE TRADING, LLC — $2.9m19.0k shares
BNP PARIBAS FINANCIAL MARKETS — $1.9m129 shares
Allianz Asset Management GmbH — $1.1m7.2k shares
SIMPLEX TRADING, LLC — $522.0k3.5k shares

Biggest puts

BNP PARIBAS FINANCIAL MARKETS — $22.2m1.5k shares
CITADEL ADVISORS LLC — $18.5m123.8k shares
Squarepoint Ops LLC — $13.4m89.9k shares
Laurion Capital Management LP — $3.7m24.6k shares
JANE STREET GROUP, LLC — $3.1m20.8k shares
Parallax Volatility Advisers, L.P. — $3.1m20.6k shares
Allianz Asset Management GmbH — $2.8m18.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $2.7m18.2k shares
MILLENNIUM MANAGEMENT LLC — $1.6m11.0k shares
WOLVERINE TRADING, LLC — $1.5m10.0k 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.

HolderStakeChangeShares Last filed
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 7.5% new 36.4m≈ $6.1bn 2026-04-30

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 Q3 2022

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)

BuyingSelling
505Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 1 buyingQ4 21: 3 sellingQ1 22: 0 buyingQ1 22: 5 sellingQ1 22Q2 22: 0 buyingQ2 22: 1 sellingQ3 22: 0 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20211$837.3k3$51.1m—
Q1 20220—5$8.4m—
Q2 20220—1$499.3k—
Q3 20220—0——

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.19% of their portfolio Valley Forge, PA 43,528,81143.5m $6.5bn $6.5bn 0.19% —
2 BlackRock Inc. 0.21% of their portfolio New York, NY 41,313,57441.3m $6.2bn $6.2bn 0.21% —
3 STATE STREET CORP 0.21% of their portfolio BOSTON, MA 22,014,11422.0m $3.3bn $3.3bn 0.21% —
4 FMR LLC 0.32% of their portfolio BOSTON, MA 20,534,66920.5m $3.1bn $3.1bn 0.32% —
5 Capital International Investors 0.89% of their portfolio Los Angeles, CA 20,402,45020.4m $3.0bn $3.0bn 0.89% —
6 Capital World Investors 0.58% of their portfolio LOS ANGELES, CA 17,207,51917.2m $2.6bn $2.6bn 0.58% —
7 WELLINGTON MANAGEMENT GROUP LLP 0.48% of their portfolio Boston, MA 15,166,38915.2m $2.3bn $2.3bn 0.48% —
8 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.73% of their portfolio Boston, MA 13,157,28413.2m $2.0bn $2.0bn 0.73% —
9 GEODE CAPITAL MANAGEMENT, LLC 0.23% of their portfolio BOSTON, MA 10,241,06410.2m $1.5bn $1.5bn 0.23% —
10 PRICE T ROWE ASSOCIATES INC /MD/ 0.21% of their portfolio BALTIMORE, MD 8,452,2808.5m $1.3bn $1.3bn 0.21% —
11 BANK OF AMERICA CORP /DE/ 0.16% of their portfolio CHARLOTTE, NC 8,260,7928.3m $1.2bn $1.2bn 0.16% —
12 AMERIPRISE FINANCIAL INC 0.45% of their portfolio MINNEAPOLIS, MN 8,125,7118.1m $1.2bn $1.2bn 0.45% —
13 Mawer Investment Management Ltd. 6.84% of their portfolio CALGARY, A0 7,558,2397.6m $1.1bn $1.1bn 6.84% —
14 NORTHERN TRUST CORP 0.20% of their portfolio CHICAGO, IL 6,068,4766.1m $906.0m $906.0m 0.20% —
15 JPMORGAN CHASE & CO 0.12% of their portfolio NEW YORK, NY 5,021,3075.0m $749.6m $749.6m 0.12% —
16 GOLDMAN SACHS GROUP INC 0.21% of their portfolio NEW YORK, NY 4,812,7634.8m $718.5m $718.5m 0.21% —
17 Nuveen Asset Management, LLC 0.29% of their portfolio CHICAGO, IL 4,742,6044.7m $708.0m $708.0m 0.29% —
18 T. Rowe Price Investment Management, Inc. 0.52% of their portfolio BALTIMORE, MD 4,330,1624.3m $646.5m $646.5m 0.52% —
19 PARNASSUS INVESTMENTS, LLC 1.68% of their portfolio San Francisco, CA 4,326,8414.3m $646.0m $646.0m 1.68% —
20 MORGAN STANLEY 0.09% of their portfolio NEW YORK, NY 4,217,8994.2m $629.7m $629.7m 0.09% —
21 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.34% of their portfolio NEW YORK, NY 4,033,3704.0m $602.1m $602.1m 0.34% —
22 Legal & General Group Plc 0.24% of their portfolio London, X0 4,031,8214.0m $601.9m $601.9m 0.24% —
23 Bank of New York Mellon Corp 0.14% of their portfolio NEW YORK, NY 3,925,2673.9m $586.0m $586.0m 0.14% —
24 Artisan Partners Limited Partnership 1.03% of their portfolio Milwaukee, WI 3,888,2713.9m $580.5m $580.5m 1.03% —
25 NORGES BANK 0.14% of their portfolio OSLO, Q8 3,646,2683.6m $544.4m $544.4m 0.14% —
26 PRIMECAP MANAGEMENT CO/CA/ 0.52% of their portfolio PASADENA, CA 3,610,1963.6m $539.0m $539.0m 0.52% —
27 LAZARD ASSET MANAGEMENT LLC 0.78% of their portfolio NEW YORK, NY 3,555,1463.6m $530.7m $530.7m 0.78% —
28 California Public Employees Retirement System 0.49% of their portfolio Sacramento, CA 3,542,4773.5m $528.9m $528.9m 0.49% —
29 Longview Partners (Guernsey) LTD 4.05% of their portfolio ST PETER PORT, Y7 3,166,3893.2m $472.7m $472.7m 4.05% —
30 UBS Group AG 0.26% of their portfolio ZURICH, V8 3,000,9773.0m $448.0m $448.0m 0.26% —
31 DEUTSCHE BANK AG\ 0.27% of their portfolio FRANKFURT AM MAIN, 2M 2,995,2283.0m $447.2m $447.2m 0.27% —
32 WELLS FARGO & COMPANY/MN 0.15% of their portfolio SAN FRANCISCO, CA 2,936,9452.9m $438.5m $438.5m 0.15% —
33 NIPPON LIFE INSURANCE CO 20.40% of their portfolio TOKYO, M0 2,622,7002.6m $391.5m $391.5m 20.40% —
34 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.13% of their portfolio SAN FRANCISCO, CA 2,451,5722.5m $366.0m $366.0m 0.13% —
35 Invesco Ltd. 0.11% of their portfolio ATLANTA, GA 2,371,2612.4m $354.0m $354.0m 0.11% —
36 JENSEN INVESTMENT MANAGEMENT INC 2.88% of their portfolio Lake Oswego, OR 2,217,2852.2m $331.0m $331.0m 2.88% —
37 Bahl & Gaynor LLC 2.19% of their portfolio CINCINNATI, OH 2,212,3352.2m $330.3m $330.3m 2.19% —
38 Swiss National Bank 0.23% of their portfolio ZURICH, V8 2,175,1132.2m $324.7m $324.7m 0.23% —
39 Diamond Hill Capital Management, LLC (Investment Advisor) 1.54% of their portfolio COLUMBUS, OH 2,146,8322.1m $320.5m $320.5m 1.54% —
40 STIFEL FINANCIAL CORP 0.52% of their portfolio ST. LOUIS, MO 2,139,4612.1m $319.4m $319.4m 0.52% —
41 Capital Research Global Investors 0.10% of their portfolio Los Angeles, CA 2,137,4762.1m $319.1m $319.1m 0.10% —
42 Sumitomo Mitsui Trust Group, Inc. 0.24% of their portfolio CHIYODA-KU, TOKYO, M0 1,966,9952.0m $293.7m $293.7m 0.24% —
43 AMERICAN CENTURY COMPANIES INC 0.25% of their portfolio KANSAS CITY, MO 1,873,9641.9m $279.8m $279.8m 0.25% —
44 Findlay Park Partners LLP 2.41% of their portfolio LONDON, X0 1,631,4531.6m $243.6m $243.6m 2.41% —
45 Ninety One UK Ltd 0.80% of their portfolio London, X0 1,627,3121.6m $242.9m $242.9m 0.80% —
46 DIMENSIONAL FUND ADVISORS LP 0.09% of their portfolio AUSTIN, TX 1,604,6901.6m $239.6m $239.6m 0.09% —
47 Robeco Institutional Asset Management B.V. 0.73% of their portfolio ROTTERDAM, P7 1,522,2361.5m $227.3m $227.3m 0.73% —
48 Amundi 0.14% of their portfolio Paris, I0 1,497,5871.5m $238.4m $238.4m 0.14% —
49 Polar Capital Holdings Plc 1.28% of their portfolio London, X0 1,343,2931.3m $200.5m $200.5m 1.28% —
50 Clearbridge Investments, LLC 0.20% of their portfolio NEW YORK, NY 1,326,5121.3m $198.0m $198.0m 0.20% —
51 ALLIANCEBERNSTEIN L.P. 0.10% of their portfolio NASHVILLE, TN 1,316,1031.3m $196.5m $196.5m 0.10% —
52 TRUIST FINANCIAL CORP 0.37% of their portfolio CHARLOTTE, NC 1,276,3711.3m $190.5m $190.5m 0.37% —
53 Coho Partners, Ltd. 3.58% of their portfolio BERWYN, PA 1,275,7711.3m $190.5m $190.5m 3.58% —
54 Caisse de depot et placement du Quebec 0.55% of their portfolio Montreal, A8 1,272,9331.3m $190.0m $190.0m 0.55% —
55 CREDIT SUISSE AG/ 0.20% of their portfolio ZURICH, V8 1,189,6231.2m $177.6m $177.6m 0.20% —
56 CANADA PENSION PLAN INVESTMENT BOARD 0.30% of their portfolio TORONTO ONTARIO, A6 1,172,3281.2m $175.0m $175.0m 0.30% —
57 JANUS HENDERSON GROUP PLC 0.06% of their portfolio LONDON, X0 1,156,9581.2m $172.9m $172.9m 0.06% —
58 Navera Investment Management Ltd. 5.83% of their portfolio LONDON, X0 1,152,3761.2m $172.2m $172.2m 5.83% —
59 ATLANTA CAPITAL MANAGEMENT CO L L C 0.76% of their portfolio ATLANTA, GA 1,140,3691.1m $170.2m $170.2m 0.76% —
60 BANK OF MONTREAL /CAN/ 0.08% of their portfolio TORONTO, A6 1,103,0041.1m $166.3m $166.3m 0.08% —
61 ROYAL BANK OF CANADA 0.05% of their portfolio TORONTO, A6 1,023,8811.0m $152.9m $152.9m 0.05% —
62 DekaBank Deutsche Girozentrale 0.46% of their portfolio FRANKFURT, 2M 1,019,7581.0m $154.1m $154.1m 0.46% —
63 ACADIAN ASSET MANAGEMENT LLC 0.83% of their portfolio Boston, MA 1,014,8221.0m $151.5m $151.5m 0.83% —
64 VIKING GLOBAL INVESTORS LP 0.69% of their portfolio STAMFORD, CT 1,006,8981.0m $150.3m $150.3m 0.69% —
65 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.10% of their portfolio Toronto, A6 1,003,1711.0m $149.8m $149.8m 0.10% —
66 NEW YORK STATE COMMON RETIREMENT FUND 0.21% of their portfolio ALBANY, NY 971,679971.7k $145.1m $145.1m 0.21% —
67 NORDEA INVESTMENT MANAGEMENT AB 0.24% of their portfolio STOCKHOLM, V7 968,024968.0k $146.0m $146.0m 0.24% —
68 Capital Group Private Client Services, Inc. 1.97% of their portfolio Los Angeles, CA 940,594940.6k $140.4m $140.4m 1.97% —
69 RHUMBLINE ADVISERS 0.20% of their portfolio BOSTON, MA 914,835914.8k $136.6m $136.6m 0.20% —
70 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.33% of their portfolio Boston, MA 903,461903.5k $134.9m $134.9m 0.33% —
71 PRINCIPAL FINANCIAL GROUP INC 0.11% of their portfolio DES MOINES, IA 896,064896.1k $133.8m $133.8m 0.11% —
72 MACKENZIE FINANCIAL CORP 0.23% of their portfolio TORONTO ONTARIO, A6 895,016895.0k $133.6m $133.6m 0.23% —
73 INTECH INVESTMENT MANAGEMENT LLC 0.99% of their portfolio WEST PALM BEACH, FL 888,193888.2k $132.6m $132.6m 0.99% —
74 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.21% of their portfolio WEST SACRAMENTO, CA 851,200851.2k $127.1m $127.1m 0.21% —
75 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.50% of their portfolio Paris, I0 842,281842.3k $125.7m $125.7m 0.50% —
76 1832 Asset Management L.P. 0.27% of their portfolio TORONTO, A6 838,577838.6k $125.2m $125.2m 0.27% —
77 Echo Street Capital Management LLC 1.17% of their portfolio New York, NY 820,999821.0k $122.6m $122.6m 1.17% —
78 ENVESTNET ASSET MANAGEMENT INC 0.07% of their portfolio Berwyn, PA 818,917818.9k $122.3m $122.3m 0.07% —
79 M&G INVESTMENT MANAGEMENT LTD 0.99% of their portfolio London, X0 793,159793.2k $118.2m $118.2m 0.99% —
80 W1M Investment Management Ltd 4.83% of their portfolio London, X0 790,319790.3k $118.0m $118.0m 4.83% —
81 Intermede Investment Partners Ltd 3.42% of their portfolio LONDON, X0 773,385773.4k $115.5m $115.5m 3.42% —
82 TD Asset Management Inc 0.14% of their portfolio Toronto, A6 754,521754.5k $113.7m $113.7m 0.14% —
83 National Pension Service 0.23% of their portfolio JEONJU-SI, JEOLLABUK-DO, M5 735,380735.4k $110.8m $110.8m 0.23% —
84 RAYMOND JAMES & ASSOCIATES 0.11% of their portfolio ST PETERSBURG, FL 727,906727.9k $108.7m $108.7m 0.11% —
85 SCHRODER INVESTMENT MANAGEMENT GROUP 0.18% of their portfolio London, X0 714,790714.8k $106.7m $106.7m 0.18% —
86 PRUDENTIAL FINANCIAL INC 0.18% of their portfolio NEWARK, NJ 704,136704.1k $105.9m $105.9m 0.18% —
87 AVIVA PLC 0.59% of their portfolio LONDON, X0 683,076683.1k $102.0m $102.0m 0.59% —
88 HSBC HOLDINGS PLC 0.18% of their portfolio LONDON, X0 656,743656.7k $98.8m $98.8m 0.18% —
89 JENNISON ASSOCIATES LLC 0.09% of their portfolio NEW YORK, NY 638,351638.4k $95.3m $95.3m 0.09% —
90 Markel Group Inc. 1.39% of their portfolio Glen Allen, VA 628,500628.5k $93.8m $93.8m 1.39% —
91 ASSETMARK, INC 0.43% of their portfolio CONCORD, CA 622,288622.3k $92.9m $92.9m 0.43% —
92 Balyasny Asset Management L.P. 0.36% of their portfolio Chicago, IL 618,640618.6k $92.4m $92.4m 0.36% —
93 DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.18% of their portfolio FRANKFURT AM MAIN, 2M 613,067613.1k $91.5m $91.5m 0.18% —
94 Russell Investments Group, Ltd. 0.20% of their portfolio Seattle, WA 603,499603.5k $90.3m $90.3m 0.20% —
95 Junto Capital Management LP 2.48% of their portfolio NEW YORK, NY 597,986598.0k $89.3m $89.3m 2.48% —
96 Man Group plc 0.41% of their portfolio LONDON, X0 591,772591.8k $88.3m $88.3m 0.41% —
97 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.22% of their portfolio TALLAHASSEE, FL 566,600566.6k $84.6m $84.6m 0.22% —
98 FIL Ltd 0.11% of their portfolio HAMILTON, D0 558,219558.2k $83.3m $83.3m 0.11% —
99 CANADA LIFE ASSURANCE Co 0.23% of their portfolio WINNIPEG, A2 542,805542.8k $81.0m $81.0m 0.23% —
100 APG Asset Management N.V. 0.21% of their portfolio Amsterdam, P7 540,214540.2k $82.3m $82.3m 0.21% —