Marsh & Mclennan Companies, Inc. 13F holders
Of the 44 funds followed here, 11 reported a position in Marsh & Mclennan Companies, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 13.5 million shares worth $2.25 billion, 0.1% of its reported book. New this quarter: Alyeska, Bridgewater Associates. Sold out: Renaissance Technologies, Point72 Asset Management.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 13,510,274 | $2.25 billion | 0.1% | +106,102 | added | 30 June 2026 | 13F |
| Capital Research Global Investors | 10,973,649 | $1.83 billion | 0.3% | -327,539 | trimmed | 30 June 2026 | 13F |
| Harris Associates | 8,687,496 | $1.45 billion | 1.9% | +3,518,377 | added | 30 June 2026 | 13F |
| FMR LLC | 6,954,123 | $1.16 billion | 0.1% | -3,226,582 | trimmed | 30 June 2026 | 13F |
| Norges Bank | 6,255,525 | $1.04 billion | 0.1% | held | 30 June 2026 | 13F | |
| Citadel Advisors | 379,708 | $63.3 million | 0.0% | +124,421 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 203,663 | $33.9 million | 0.0% | -474,556 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 71,478 | $11.9 million | 0.0% | -23,756 | trimmed | 30 June 2026 | 13F |
| Alyeska | 57,212 | $9.5 million | 0.0% | +57,212 | new | 30 June 2026 | 13F |
| Bridgewater Associates | 17,949 | $3.0 million | 0.0% | +17,949 | new | 30 June 2026 | 13F |
| Baillie Gifford | 511 | $85,168 | 0.0% | -63,897 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -365,500 | exited | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -9,300 | exited | 30 June 2026 | 13F |
Value is what the fund reported. 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.
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. 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.
Fails 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. Largest in the window: 1,156 on 20 July 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to MRSH by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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