Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
MRSH
MARSH & MCLENNAN COSData as of 2026 Q1 (03-31) · 13F snapshot
Summary
MARSH & MCLENNAN COS (MRSH) is held by 8 tracked hedge-fund managers, a combined reported value of ~$315.28M; the largest are Warren Buffett, Renaissance Technologies, Andreas Halvorsen. This quarter: 4 trimmed, 2 closed. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Cooling
Gurus holding8
Congress trades0
Price$168.68vs quarter-end-2.75%
Sectors0
This quarter's moves
Top holderWarren BuffettNew0
Added0
Trimmed / sold6
Warren BuffettHold
Value $67.44M0.0% of portfolio404,9112023 Q1
Value $19.53M— of portfolio112,6002026 Q1
Value $2.64M— of portfolio15,2002026 Q1
Value $2.39M— of portfolio12,9002025 Q4
Value $1.27M— of portfolio7,3002026 Q1
Value $1.08M— of portfolio6,2002026 Q1
Value $346.9K— of portfolio2,0002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Warren Buffett | $67.44M | 0.0% | Hold |
| Ken GriffinCALL | $19.53M | — | — |
| Izzy EnglanderPUT | $2.64M | — | — |
| Izzy EnglanderCALL | $2.39M | — | — |
| Steven CohenCALL | $1.27M | — | — |
| Ken GriffinPUT | $1.08M | — | — |
| Steven CohenPUT | $346.9K | — | — |