Marsh & McLennan Companies (MRSH) Superinvestor holders
35 of the superinvestors we track hold Marsh & McLennan Companies (MRSH) in their latest 13F filings, $6.4B in total.
Summary
The largest holder is Bill Nygren (Harris Associates LP), with $1.4B, 1.9% of the portfolio.
In their latest quarter: 5 opened a new position, 13 added, 15 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Bill Nygren Harris Associates LP |
Added | 8,687,496 | $1.4B | 1.9% | Q2 2026 |
| Artisan Partners | Added | 7,269,246 | $1.2B | 2.0% | Q2 2026 |
| Hersh Cohen ClearBridge Investments |
Trimmed | 4,705,966 | $784M | 0.6% | Q2 2026 |
| Arrowstreet Capital | Added | 4,170,110 | $695M | 0.3% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 2,607,451 | $432M | 0.2% | Q2 2026 |
| PRIMECAP Management PRIMECAP Management Co |
Added | 2,145,025 | $358M | 0.2% | Q2 2026 |
| David Vogel Voloridge Investment Management |
Added | 1,330,728 | $222M | 0.9% | Q2 2026 |
| Acadian Acadian Asset Management |
Added | 1,238,559 | $211M | 0.2% | Q3 2026 |
| Paul Marshall Marshall Wace |
Added | 1,043,399 | $174M | 0.1% | Q2 2026 |
| Jensen Investment Management | Trimmed | 984,904 | $164M | 4.0% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Trimmed | 839,616 | $140M | 0.1% | Q2 2026 |
| Tom Gayner Markel Group Inc. |
Held | 763,500 | $130M | 1.0% | Q3 2026 |
| Jennison Associates | Added | 683,273 | $114M | 0.1% | Q2 2026 |
| Mark Donovan Boston Partners |
New position | 457,791 | $76M | 0.1% | Q2 2026 |
| Ricky Sandler Eminence Capital |
New position | 320,386 | $56M | 1.3% | Q1 2026 |
| Man Group Man Group plc |
Trimmed | 253,869 | $42M | 0.1% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Trimmed | 202,263 | $34M | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Trimmed | 158,084 | $26M | 0.1% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Trimmed | 140,261 | $23M | 0.0% | Q2 2026 |
| Murray Stahl Horizon Kinetics LLC |
Trimmed | 139,983 | $23M | 0.3% | Q2 2026 |
| Steven Romick First Pacific Advisors |
Added | 121,213 | $20M | 0.3% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
New position | 75,646 | $13M | 0.1% | Q2 2026 |
| Robert Torray Torray Investment Partners |
Trimmed | 46,570 | $8M | 1.0% | Q3 2026 |
| Alan Howard Brevan Howard |
Added | 30,386 | $5M | 0.1% | Q2 2026 |
| First Manhattan First Manhattan Co |
Trimmed | 21,536 | $4M | 0.0% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Trimmed | 18,695 | $3M | 0.0% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
New position | 17,949 | $3M | 0.0% | Q2 2026 |
| Neil Hennessy Hennessy Advisors |
Held | 14,300 | $2M | 0.1% | Q3 2026 |
| Peter Muller PDT Partners |
New position | 9,000 | $2M | 0.1% | Q2 2026 |
| Ken Fisher Fisher Investments |
Added | 3,316 | $566,337 | 0.0% | Q3 2026 |
| Fayez Sarofim Fayez Sarofim & Co |
Added | 1,558 | $259,672 | 0.0% | Q2 2026 |
| Mairs & Power Mairs & Power Inc |
Trimmed | 1,200 | $200,004 | 0.0% | Q2 2026 |
| Baillie Gifford Baillie Gifford & Co |
Trimmed | 508 | $86,731 | 0.0% | Q3 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Added | 286 | $47,668 | 0.0% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 251 | $41,834 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 34 |
| Q1 2026 | 35 |
| Q4 2025 | 35 |
| Q3 2025 | 31 |
| Q2 2025 | 31 |
| Q1 2025 | 28 |
| Q4 2024 | 32 |
| Q3 2024 | 32 |
Questions about Marsh & McLennan Companies
Which superinvestors own Marsh & McLennan Companies?
35 of the superinvestors we track hold Marsh & McLennan Companies (MRSH) in their latest 13F filings, $6.4B in total. Bill Nygren, Artisan Partners, Hersh Cohen, Arrowstreet Capital, Cliff Asness, PRIMECAP Management.
Who is the largest superinvestor holder of MRSH?
The largest holder is Bill Nygren (Harris Associates LP), with $1.4B, 1.9% of the portfolio.
From Marsh & McLennan Companies's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.