Marsh McLennan (MRSH) insider trades, Congress trades and 13F ownership

OQRO

Marsh McLennan (MRSH) insider trades, Congress trades and 13F ownership | OQRO

Who owns it (13F)

As of Jun 30, 2026

Institutions reporting a stake, Q2 2026

1,494

-50 vs Q1 2026

Share of stock reported

92.0%

439M of 477M shares outstanding

Change vs Q1 2026

-7.47M shares

122 new positions, 166 positions closed

Reported in 13F filings, which cover managers over $100M and include double counting. A 13F shows holdings on the last day of the quarter, not when shares were bought or sold. Change counts the 1,471 managers that reported both quarters.

Largest reported holders, Q2 2026

1BlackRock, Inc. Trimmed (-2.56M shares)39.5M sh · $6.58B9.0% of reported
2Vanguard Capital Management Llc About the same31.5M sh · $5.25B7.2% of reported
3State Street Corp Added (+331K shares)22.4M sh · $3.73B5.1% of reported
4Capital World Investors About the same18.1M sh · $3.02B4.1% of reported
5Wellington Management Group Llp Trimmed (-395K shares)17M sh · $2.83B3.9% of reported
6Capital International Investors About the same15.7M sh · $2.62B3.6% of reported
7Geode Capital Management, Llc About the same13.5M sh · $2.25B3.1% of reported
8Price T Rowe Associates Inc /Md/ Added (+2.46M shares)13.4M sh · $2.24B3.1% of reported
9Vanguard Portfolio Management Llc Added (+143K shares)12.6M sh · $2.1B2.9% of reported
10Capital Research Global Investors Trimmed (-328K shares)11M sh · $1.83B2.5% of reported
11Harris Associates L P Added (+3.52M shares)8.69M sh · $1.45B2.0% of reported
12Artisan Partners Limited Partnership Added (+2.39M shares)7.27M sh · $1.21B1.7% of reported
13Fmr Llc Trimmed (-3.23M shares)6.95M sh · $1.16B1.6% of reported
14Massachusetts Financial Services Co /Ma/ Trimmed (-1.69M shares)6.51M sh · $1.09B1.5% of reported
15Morgan Stanley Trimmed (-160K shares)6.31M sh · $1.05B1.4% of reported
16Norges Bank No comparable report last quarter6.26M sh · $1.04B1.4% of reported
17Ameriprise Financial Inc About the same5.54M sh · $922M1.3% of reported
18Northern Trust Corp Trimmed (-77K shares)4.89M sh · $815M1.1% of reported
19Jpmorgan Chase & Co Trimmed (-1.36M shares)4.73M sh · $789M1.1% of reported
20Clearbridge Investments, LLC Trimmed (-1.72M shares)4.71M sh · $784M1.1% of reported

Source: SEC Form 13F data sets, every filer, common stock only (options and bonds left out); 12 managers also reported puts and 13 managers calls. Amendments are applied; lines whose value was filed in thousands are scaled, and lines whose shares and value disagree are left out.

Marsh McLennan

Fund holdings · 1

18KShares reported

Who owns it (13F)

Largest reported holders, Q2 2026