MARSH & MCLENNAN COS INC COM is a security (CUSIP 571748BC5) tracked across SEC portfolio filings. 1 institutional managers reported $3.2M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| LOUISBOURG INVESTMENTS INC. | DIEPPE, A3 | $3.2M | 25,536 |