Marsh & McLennan Companies, Inc
Held by 17 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 571748102 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide
Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer
Tracked capital in this stock
Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).
Aggregate buying and selling
Net share change reported each quarter
Who owns MRSH?
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Who owns MRSH? — Q2 2026
Holders ranked by position size, with each one's quarter-over-quarter change.
Column filters
| # | Manager | Fund | Shares | Value ↓ | % of their portfolio | QoQ | Δ shares | Δ shares % | Est. Δ value ⓘChange in shares × this quarter's price |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Bill Nygren | Harris Associates (Oakmark Funds) | 8.69M | $1.45B | 1.9% | Added | +3.5M | +68.1% | +$586.41M |
| 2 | Norges Bank | Norges Bank Investment Management | 6.26M | $1.04B | 0.1% | — | — | — | — |
| 3 | Parnassus Investments | Parnassus Investments LLC | 2.05M | $341.28M | 0.9% | Reduced | -162.8K | -7.4% | -$27.14M |
| 4 | Mawer | Mawer Investment Management | 1.87M | $311.87M | 2.1% | Reduced | -1.6M | -46.2% | -$267.41M |
| 5 | Beutel Goodman | Beutel, Goodman & Co | 1.57M | $262.32M | 1.9% | Added | +794.1K | +101.8% | +$132.36M |
| 6 | David Shaw | D.E. Shaw & Co. | 839.62K | $139.94M | 0.1% | Reduced | -889.9K | -51.5% | -$148.33M |
| 7 | Tom Gayner | Markel Group | 763.50K | $127.25M | 1.0% | Held | 0 | 0.0% | $0 |
| 8 | Boston Partners | Boston Partners Global Investors | 457.79K | $76.36M | 0.1% | New | +457.8K | — | +$76.36M |
| 9 | Ken Griffin | Citadel Advisors | 230.81K | $38.47M | 0.0% | Added | +94.3K | +69.1% | +$15.72M |
| 10 | Two Sigma | Two Sigma Investments | 202.26K | $33.71M | 0.0% | Reduced | -474.4K | -70.1% | -$79.06M |
| 11 | First Pacific Advisors | First Pacific Advisors, LP | 121.21K | $20.20M | 0.2% | Added | +12.5K | +11.5% | +$2.09M |
| 12 | Torray | Torray Investment Partners | 92.69K | $15.45M | 2.1% | Reduced | -1.6K | -1.7% | -$272.51K |
| 13 | Israel Englander | Millennium Management | 71.48K | $11.91M | 0.0% | Reduced | -8.6K | -10.7% | -$1.43M |
| 14 | Mario Gabelli | GAMCO Investors | 18.70K | $3.12M | 0.0% | Reduced | -955 | -4.9% | -$159.17K |
| 15 | Ray Dalio | Bridgewater Associates | 17.95K | $2.99M | 0.0% | New | +17.9K | — | +$2.99M |
| 16 | Ken Fisher | Fisher Asset Management | 2.24K | $372.81K | 0.0% | Added | +199 | +9.8% | +$33.18K |
| 17 | Baillie Gifford | Baillie Gifford & Co | 511 | $85.17K | 0.0% | Reduced | -63.9K | -99.2% | -$10.65M |
Column filters
| Manager | Fund | Shares sold | Value last quarter ↓ |
|---|---|---|---|
| Jim Simons | Renaissance Technologies | -365.5K | $63.40M |
| Donald Yacktman | Yacktman Asset Management | -19.4K | $3.36M |
Politician trades
Column filters
| Politician | Date | Ticker | Asset | Type | Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. | Est. size ⓘOur estimate only: the midpoint of the reported range. | Owner | Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. | Filed ↓ | Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Kevin Hern Politician | Sep 17, 2026 | MRSH | Marsh Common Stock (MRSH) [ST] | Sale (partial) | $50,001 - $100,000 | Est. $75,000 (midpoint of reported range $50,001–$100,000) | Joint | Hern Family Revocable Trust | Oct 13, 2026 | 26 days | PTR ↗ |
| Kevin Hern Politician | Sep 23, 2026 | MRSH | Marsh Common Stock (MRSH) [ST] | Sale | $50,001 - $100,000 | Est. $75,000 (midpoint of reported range $50,001–$100,000) | Joint | Hern Family Revocable Trust | Oct 13, 2026 | 20 days | PTR ↗ |
| Kevin Hern Politician | Sep 2, 2026 | MRSH | Marsh Common Stock (MRSH) [ST] | Sale (partial) | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Joint | — | Sep 25, 2026 | 23 days | PTR ↗ |
| Kevin Hern Politician | Sep 14, 2026 | MRSH | Marsh Common Stock (MRSH) [ST] | Sale (partial) | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Joint | — | Sep 25, 2026 | 11 days | PTR ↗ |
| Kevin Hern Politician | Sep 9, 2026 | MRSH | Marsh Common Stock (MRSH) [ST] | Sale (partial) | $100,001 - $250,000 | Est. $175,000 (midpoint of reported range $100,001–$250,000) | Joint | Hern Family Revocable Trust | Sep 25, 2026 | 16 days | PTR ↗ |
| Kevin Hern Politician | Aug 24, 2026 | MRSH | Marsh Common Stock (MRSH) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Joint | — | Sep 1, 2026 | 8 days | PTR ↗ |