MRSH
Common Stock

Marsh & McLennan

As of Jun 30, 2026 CUSIP 571748102
Institutional Holders
1,512
Total Held Value
$72.79B
Total Exact Shares
436.19M
Largest Holder
BlackRock
39.50M shares • $6.58B
Reported Holders1,512
Filings dated Jun 30, 2026 unless marked
# Trend (4Q)
1 BlackRock $6.58B 0.1% -6.1% 39.50M Jun 30, 2026
2 Vanguard Capital Management $5.25B 0.1% +0.0% 31.47M Jun 30, 2026
3 State Street $3.73B 0.1% +1.5% 22.40M Jun 30, 2026
4 Capital World Investors $3.02B 0.4% +0.9% 18.12M Jun 30, 2026
5 Wellington Management Group $2.83B 0.5% -2.3% 16.98M Jun 30, 2026
6 Capital International Investors $2.62B 0.5% +0.1% 15.73M Jun 30, 2026
7 Geode Capital Management $2.25B 0.1% +0.8% 13.51M Jun 30, 2026
8 T. Rowe Price Associates $2.24B 0.2% +22.4% 13.44M Jun 30, 2026
9 Vanguard Portfolio Management $2.10B 0.1% +1.1% 12.57M Jun 30, 2026
10 Capital Research Global Investors $1.83B 0.3% -2.9% 10.97M Jun 30, 2026
11 Harris Associates $1.45B 1.9% +68.1% 8.69M Jun 30, 2026
12 Artisan Partners Limited Partnership $1.21B 1.9% +49.1% 7.27M Jun 30, 2026
13 Fidelity (FMR) $1.16B 0.1% -31.7% 6.95M Jun 30, 2026
14 Massachusetts Financial Services $1.09B 0.3% -20.6% 6.51M Jun 30, 2026
15 Morgan Stanley $1.05B 0.1% -2.5% 6.31M Jun 30, 2026
16 Norges Bank $1.04B 0.1% — 6.26M — Jun 30, 2026
17 Ninety One UK
Filing dated Sep 30, 2026
 $961.7M 2.1% +41.8% 5.63M Sep 30, 2026
18 Ameriprise Financial $922.1M 0.2% +0.8% 5.54M Jun 30, 2026
19 Northern Trust $814.7M 0.1% -1.5% 4.89M Jun 30, 2026
20 JPMorgan Chase $788.6M <0.1% -22.4% 4.73M Jun 30, 2026
Exited in Latest Filing141
# Fund Prior Value Prior % of Fund Change Prior Shares Trend (4Q) Exit Report
Each exit is an immediately prior-filing position absent from that manager's latest published filing. Prior values are shown for context and are not included in current totals.