Marsh & Mclennan Cos
MRSH · US
Marsh & Mclennan Cos is held by 6 of the 24 tracked investors in their latest 13F filings. The largest position is Norges Bank's at $1.0B, 0.10% of that portfolio. Versus the prior quarter, 1 added, 3 trimmed and 2 bought new. In the last 90 days insiders sold 1 times ($3.1M) and bought 0 times on the open market.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Norges Bank weight 0.10% · Q2 2026 |
1.0B | ▼ 25% |
| National Pension Service (Korea) weight 0.12% · Q2 2026 |
188M | New |
| Temasek Holdings weight 0.15% · Q2 2026 |
54.3M | ▲ 42% |
| Korea Investment Corporation weight 0.09% · Q2 2026 |
46.9M | ▼ 23% |
| Bridgewater Associates weight 0.01% · Q2 2026 |
3.0M | New |
| Baillie Gifford weight 0.00% · Q2 2026 |
0.1M | ▼ 99% |
Insider trades (90 days)
SEC Form 4| Insider | Trade | Amount ($) |
|---|---|---|
| Doyle John Q CEO · 9/2 |
Sell Plan | 3.1M |
Questions
Which big investors own Marsh & Mclennan Cos?
Norges Bank ($1.0B), National Pension Service (Korea) ($188M), Temasek Holdings ($54.3M), Korea Investment Corporation ($46.9M), Bridgewater Associates ($3.0M) and 1 more, per their latest 13F filings.
Does Warren Buffett own Marsh & Mclennan Cos?
Berkshire Hathaway did not report it in its latest 13F.
Does Korea's National Pension Service own Marsh & Mclennan Cos?
Yes, $188M as of 2026-06-30 (0.12% of its US holdings).
Have Marsh & Mclennan Cos insiders been selling?
1 open-market sales ($3.1M) and 0 purchases in the last 90 days; 1 of the sales were under pre-arranged 10b5-1 plans.
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.