Pre-market · Regular session opens 9:30 AM ET

Last update: Jun 30, 2026, 3:54 AM ET

Marsh & McLennan Companies, Inc. (MRSH) — What Changed

$166.71-2.32 (-1.37%) vs yesterday's close

Jun 30, 2026 6:20 AM ET·New York Stock Exchange·Pre-market·CEO: John Quinlan Doyle·90,000 employees

Marsh & McLennan Companies, Inc. (MRSH) functions as a leading professional services organization, delivering expert guidance and innovative solutions to clients across the vital domains of risk manag…

🔔Material Change Detected

Market Cap

$80.3B

Sector

Financial Services

Insurance - Brokers

Next Earnings

Jul 20, 2026

(21 Days)

Relative Volume

0.54x

Below Avg

Risk Level

Low

Price Move

-1.37%

1-Day Change

Below 5D Avg: 0.9%

Volume Confirmation

0.54x

vs 30D Average

Below Avg

Catalyst

Filings

Marinemax Inc. (MRSH) filed an 8-K on June 4, 2026, with no accompanying price…

Peer Context

In Line With Peers

No peer data

Sector-Wide Move

Signal Quality

Low

Confidence Score

42/100

BestStocks surfaces only meaningful changes—backed by price, volume, catalysts, and peer context—so you can focus on what matters.

1Event Reaction Chartⓘ

Price reaction around a key event

MRSHMarsh & McLennan Companies, Inc.$166.71-2.32 (-1.37%)

1. What Changed Since Last Close

New FilingMediumMedium

Jun 4

Marinemax Inc. (MRSH) filed an 8-K on June 4, 2026, with no accompanying price movement (0%).

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Showing 1 of 1 events

2. Change Timeline

Date	Change	Price Reaction	Volume	Confidence ↓
Jun 4	FNew Filing	—	—	Medium

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3. Why It Moved

Primary Catalyst

Filings

Marinemax Inc. (MRSH) filed an 8-K on June 4, 2026, with no accompanying price m

Supporting Evidence

No supporting signals detected.

Nature of Move

Sector-Wide Move

MRSH moved broadly in line with sector peers — consistent with a sector or macro-driven event.

4. Peer / Sector Confirmation

Symbol	Today	5D	Rel. Vol
MRSH	-1.37%	—	0.54x

Sector-Wide Move. No peer data. MRSH moved broadly in line with sector peers — consistent with a sector or macro event.