Marsh (MRSH) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for MRSH. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 1,480 institutions reported holding MRSH, with 434.9 million shares worth $72.5 billion in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Vanguard49,252,775$8.2BINCREASED
Capital Group44,932,344$7.5BDECREASED
BlackRock39,502,046$6.6BDECREASED
State Street22,401,676$3.7BINCREASED
Wellington Management16,975,238$2.8BDECREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Stacy Mills (Vice President and Controller)SELL1,215$243K2026-10-23
Dean Michael Klisura (President & CEO, Marsh RE)SELL4,194$839K2026-10-23
Katherine Brennan (SVP and General Counsel)EXERCISE1,197$99K2026-09-02
Katherine Brennan (SVP and General Counsel)SELL1,197$225K2026-09-02
Katherine Brennan (SVP and General Counsel)EXERCISE1,197$99K2026-09-02

Recent Congressional Trades

MemberTypeAmountDate
Kevin Hern (Republican)SALE$50,001 - $100,0002026-09-23
Kevin Hern (Republican)SALE$50,001 - $100,0002026-09-17
Kevin Hern (Republican)SALE$1,001 - $15,0002026-09-14

Full institutional holdings, insider history, and congressional trades for Marsh on SentiSense.