Marsh & McLennan Companies, Inc. 13F holders
1,510 funds reported a position in Marsh & McLennan Companies, Inc. in their 13F for the quarter ended 30 June 2026, together 439.1 million shares worth $73.21 billion. Against the quarter before, 101 opened a position, 472 added, 655 trimmed and 169 sold out; together they sold a net 8.7 million shares. The largest holders: BlackRock, Inc., Vanguard Capital Management LLC and State Street Corp.
Funds holding1,510-44 on Q1 2026
Shares they held439.1Mworth $73.21 billion
Net sold on the quarter8.7M sharesabout $1.45 billion at the funds' values
Funds buying to selling573 to 824opened or added, to cut or sold
Opened 101Added 472Held 265Trimmed 655Sold out 169
What each fund did in MRSH against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in MRSH in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
4,696 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 816 reported a position in Marsh & McLennan Companies, Inc.: 55 opened one, 306 added, 269 trimmed and 49 sold out, a net 4.2 million shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 1 reported a position in Marsh & McLennan Companies, Inc. in a 13F for the quarter ended 30 September 2026, and 10 more in a 13F for an earlier quarter, the latest each has filed. The largest: Geode Capital Management, 12.1 million shares worth $2.06 billion, 0.1% of its reported book. Sold out: Renaissance Technologies. In the quarter, 0 funds added or opened a position and 1 trimmed or sold out; together they sold a net 1.4 million shares, about $246.5 million at the funds' own value per share on 30 September 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 12,065,911 | $2.06 billion | 0.1% | -1,444,363 | trimmed | 30 September 2026 | 13F |
| Capital Research Global Investors | 10,973,649 | $1.83 billion | 0.3% | -327,539 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Harris Associates | 8,687,496 | $1.45 billion | 1.9% | +3,518,377 | added | 30 June 2026, an earlier quarter | 13F |
| FMR LLC | 6,954,123 | $1.16 billion | 0.1% | -3,226,582 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Norges Bank | 6,255,525 | $1.04 billion | 0.1% | held | 30 June 2026, an earlier quarter | 13F | |
| Citadel Advisors | 230,808 | $38.5 million | 0.0% | +94,321 | added | 30 June 2026, an earlier quarter | 13F |
| Two Sigma Investments | 202,263 | $33.7 million | 0.0% | -474,356 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Millennium Management | 71,478 | $11.9 million | 0.0% | -8,556 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Alyeska | 57,212 | $9.5 million | 0.0% | +57,212 | new | 30 June 2026, an earlier quarter | 13F |
| Bridgewater Associates | 17,949 | $3.0 million | 0.0% | +17,949 | new | 30 June 2026, an earlier quarter | 13F |
| Baillie Gifford | 511 | $85,168 | 0.0% | -63,897 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -365,500 | exited | 30 June 2026, an earlier quarter | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 39,502,046 | 9.00% | $6.58 billion | 0.10% | -2,559,630 | 13F |
| Vanguard Capital Management LLC | 31,472,575 | 7.17% | $5.25 billion | 0.11% | +4,901 | 13F |
| State Street Corp. | 22,401,676 | 5.10% | $3.73 billion | 0.11% | +330,731 | 13F |
| Capital World Investors | 18,122,340 | 4.13% | $3.02 billion | 0.36% | +153,158 | 13F |
| Wellington Management Group LLP | 16,975,238 | 3.87% | $2.83 billion | 0.49% | -395,471 | 13F |
| Capital International Investors | 15,729,457 | 3.58% | $2.62 billion | 0.54% | +15,604 | 13F |
| Geode Capital Management, LLC | 13,510,274 | 3.08% | $2.25 billion | 0.12% | +106,102 | 13F |
| Price T Rowe Associates Inc. | 13,438,662 | 3.06% | $2.24 billion | 0.23% | +2,462,376 | 13F |
| Vanguard Portfolio Management LLC | 12,570,512 | 2.86% | $2.10 billion | 0.09% | +142,566 | 13F |
| Capital Research Global Investors | 10,973,649 | 2.50% | $1.83 billion | 0.26% | -327,539 | 13F |
| Harris Associates L P | 8,687,496 | 1.98% | $1.45 billion | 1.93% | +3,518,377 | 13F |
| Artisan Partners Limited Partnership | 7,269,246 | 1.66% | $1.21 billion | 1.98% | +2,393,389 | 13F |
| FMR LLC | 6,954,123 | 1.58% | $1.16 billion | 0.05% | -3,226,582 | 13F |
| Massachusetts Financial Services Co. | 6,507,415 | 1.48% | $1.09 billion | 0.35% | -1,692,894 | 13F |
| Morgan Stanley | 6,314,085 | 1.44% | $1.05 billion | 0.06% | -159,907 | 13F |
| Norges Bank | 6,255,525 | 1.42% | $1.04 billion | 0.10% | 13F | |
| Ameriprise Financial Inc. | 5,535,138 | 1.26% | $922.1 million | 0.19% | +46,601 | 13F |
| Northern Trust Corp. | 4,888,165 | 1.11% | $814.7 million | 0.10% | -76,914 | 13F |
| JPMorgan Chase & Co. | 4,730,329 | 1.08% | $788.6 million | 0.05% | -1,363,063 | 13F |
| Clearbridge Investments, LLC | 4,705,966 | 1.07% | $784.3 million | 0.65% | -1,717,565 | 13F |
| UBS AM, a distinct business unit of UBS Asset Management Americas LLC | 4,597,647 | 1.05% | $766.3 million | 0.14% | -584,870 | 13F |
| Invesco Ltd. | 4,305,773 | 0.98% | $717.6 million | 0.06% | +420,995 | 13F |
| Goldman Sachs Group Inc. | 4,228,626 | 0.96% | $704.8 million | 0.07% | +555,667 | 13F |
| Arrowstreet Capital, Limited Partnership | 4,170,110 | 0.95% | $695.0 million | 0.31% | +715,524 | 13F |
| Deutsche Bank AG | 4,113,644 | 0.94% | $685.6 million | 0.20% | +409,470 | 13F |
| Ninety One UK Ltd | 3,971,522 | 0.90% | $661.9 million | 1.48% | -57,620 | 13F |
| American Century Companies Inc. | 3,877,741 | 0.88% | $646.3 million | 0.29% | -356,586 | 13F |
| EdgePoint Investment Group Inc. | 3,820,196 | 0.87% | $636.7 million | 4.81% | new | 13F |
| UBS Group AG | 3,603,522 | 0.82% | $600.6 million | 0.10% | -1,117,569 | 13F |
| Bank of America Corp. | 3,455,003 | 0.79% | $575.8 million | 0.04% | -1,484,611 | 13F |
| Nuveen, LLC | 3,451,900 | 0.79% | $575.3 million | 0.14% | -715,587 | 13F |
| Bank of New York Mellon Corp | 3,194,567 | 0.73% | $532.4 million | 0.09% | -59,454 | 13F |
| Charles Schwab Investment Management Inc. | 3,072,405 | 0.70% | $512.1 million | 0.07% | +39,257 | 13F |
| Amundi | 2,884,376 | 0.66% | $480.7 million | 0.12% | +585,543 | 13F |
| Royal Bank of Canada | 2,813,877 | 0.64% | $469.0 million | 0.08% | -502,702 | 13F |
| Legal & General Group Plc | 2,793,483 | 0.64% | $465.6 million | 0.10% | -272,701 | 13F |
| Vanguard Fiduciary Trust Co. | 2,705,812 | 0.62% | $451.0 million | 0.10% | -27,948 | 13F |
| AQR Capital Management LLC | 2,607,451 | 0.59% | $432.1 million | 0.15% | -1,066,536 | 13F |
| Wells Fargo & Company | 2,510,228 | 0.57% | $418.4 million | 0.07% | -68,780 | 13F |
| Stifel Financial Corp. | 2,212,398 | 0.50% | $368.7 million | 0.31% | -94,963 | 13F |
| AllianceBernstein L.P. | 2,061,247 | 0.47% | $357.5 million | 0.12% | +79,965 | 13F |
| Primecap Management Co. | 2,145,025 | 0.49% | $357.5 million | 0.21% | +1,427,525 | 13F |
| W1M Asset Management Ltd | 2,090,489 | 0.48% | $348.2 million | 3.19% | +66,737 | 13F |
| Parnassus Investments, LLC | 2,047,623 | 0.47% | $341.3 million | 0.91% | -162,816 | 13F |
| Dimensional Fund Advisors LP | 2,022,672 | 0.46% | $337.1 million | 0.06% | -11,261 | 13F |
| Mawer Investment Management Ltd. | 1,871,159 | 0.43% | $311.9 million | 2.12% | -1,604,431 | 13F |
| Manufacturers Life Insurance Company, the | 1,867,077 | 0.43% | $311.2 million | 0.24% | +294,130 | 13F |
| Rathbones Group PLC | 1,733,034 | 0.39% | $288.8 million | 1.06% | -980,910 | 13F |
| Canada Pension Plan Investment Board | 1,605,850 | 0.37% | $267.6 million | 0.15% | +796,211 | 13F |
| Beutel, Goodman & Co Ltd. | 1,573,890 | 0.36% | $262.3 million | 1.93% | +794,120 | 13F |
The 50 largest of the 1,510 funds that reported a position in MRSH in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on MRSH
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 143,000 | $23.8 million | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 5,900 | $983,353 | 30 June 2026 | 13F |
| Two Sigma Investments | Puts | 1,400 | $233,338 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 36.4 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 26 August 2026 | 21 | $193.40 | SEC |
| 24 August 2026 | 600 | $192.01 | SEC |
| 19 August 2026 | 92 | $186.37 | SEC |
| 12 August 2026 | 2 | $191.25 | SEC |
| 20 July 2026 | 1,156 | $182.18 | SEC |
| 17 July 2026 | 1 | $182.15 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.