// company-profile

Marsh & Mclennan Companies, Inc.

MRSH
ExchangeNYSESectorInsurance Agents, Brokers & ServiceInc.DEFilings278Insiders29
// api This Marsh & Mclennan Companies, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 12 insiders purchased shares (net $2.6M) versus 1 sale. Buying was led by Yates Lloyd M.

// 90-day insight

Over the last 90 days, Marsh & Mclennan Companies, Inc. insiders bought $2.7M (27 transactions) and sold $16K (1 transaction).

  • Most active insider: Doyle John Q with 4 transactions totaling $3.9M.
  • Largest single sale: $2.7M by Doyle John Q on Jun 2, 2026.
  • 50% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Marsh & Mclennan Companies, Inc. as of 2026-03-31

— stable
Total reported AUM
$68.25B
QoQ change
-1.7%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$5.46B
31.5M shares
#2
STATE STREET CORP
CIK 93751
$3.83B
22.1M shares
#3
Capital World Investors
CIK 1422849
$3.12B
18.0M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 2, 2026Doyle John QMRSH
Option Exercise10b5
16,656$73.19$1.22M
Jun 2, 2026Doyle John QMRSH
Option Exercise10b5
16,656$0.00$0K
Jun 2, 2026Doyle John QMRSH
Sale10b5
16,656$161.71$2.69M
Jun 1, 2026Yates Lloyd MMRSH
Award
1,349.82$159.28$215K
Jun 1, 2026Harrison PeterMRSH
Tax Withholding
103.39$159.28$16K

45 more transactions hidden

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