Marsh & Mclennan Companies, Inc. (NYSE:MMC) currently has 108 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 30 Sep, 2025 | 46,202,533 | 43,971 | 0.10% | $9,311,196,475.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 38,785,634 | -1,487,894 | -3.69% | $7,816,468,877.00 |
| STATE STREET CORP | 30 Sep, 2025 | 21,538,014 | 96,436 | 0.45% | $4,340,555,961.00 |
| Capital International Investors | 30 Sep, 2025 | 18,590,697 | 221,033 | 1.20% | $3,745,888,506.00 |
| Capital World Investors | 30 Sep, 2025 | 17,702,898 | 92,767 | 0.53% | $3,567,409,805.00 |
| FMR LLC | 30 Sep, 2025 | 16,455,084 | -3,581,890 | -17.88% | $3,316,193,055.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 30 Sep, 2025 | 15,091,478 | 1,260,434 | 9.11% | $3,041,385,562.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 12,967,908 | 283,698 | 2.24% | $2,606,347,984.00 |
| Capital Research Global Investors | 30 Sep, 2025 | 9,861,067 | 68,826 | 0.70% | $1,987,300,833.00 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 30 Sep, 2025 | 9,474,359 | -201,804 | -2.09% | $1,909,367,569.00 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 30 Sep, 2025 | 8,349,764 | -1,693,073 | -16.86% | $1,682,729.00 |
| MORGAN STANLEY | 30 Sep, 2025 | 7,052,786 | 558,492 | 8.60% | $1,421,348,338.00 |
| BANK OF AMERICA CORP /DE/ | 30 Sep, 2025 | 6,405,611 | -213,524 | -3.23% | $1,290,922,785.00 |
| AMERIPRISE FINANCIAL INC | 30 Sep, 2025 | 5,767,988 | -1,074,347 | -15.70% | $1,160,698,768.00 |
| NORTHERN TRUST CORP | 30 Sep, 2025 | 5,623,907 | -103,269 | -1.80% | $1,133,385,977.00 |
| GOLDMAN SACHS GROUP INC | 30 Sep, 2025 | 5,221,331 | 621,516 | 13.51% | $1,052,254,961.00 |
| JPMORGAN CHASE & CO | 30 Sep, 2025 | 4,872,982 | 421,029 | 9.46% | $982,071,302.00 |
| Mawer Investment Management Ltd. | 30 Sep, 2025 | 4,572,623 | -802,248 | -14.93% | $921,520,713.00 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 30 Sep, 2025 | 4,543,833 | -1,163,107 | -20.38% | $915,718,663.00 |
| Clearbridge Investments, LLC | 30 Sep, 2025 | 4,517,111 | 1,954,137 | 76.24% | $910,322,475.00 |