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35 /100
MEDIUM RISK
Score updated Oct 13, 2026

MRSH — Marsh & McLennan Companies, Inc. Dilution Risk Tracker

Track MRSH dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of October 13, 2026, Marsh & McLennan Companies, Inc. (MRSH) has a DilutionWatch DilutionScore of 35/100, rated MEDIUM dilution risk. Marsh & McLennan Companies, Inc. has a market capitalization of $84.25B, 477.21M shares outstanding, 1545 institutional holders tracked.

This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.

Score Breakdown

📋 Offering Ability
19
💰 Cash Runway
65
📊 Float Risk
0
⚠️ Warrant Exposure
15
🔄 Convertible Debt
15

Dilution Forecast

☀️
Clear
No significant dilution signals
model est. 7%
💰 Capital Raise model 15%
• Under 12 months cash (9mo)
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Market Data

Market Cap$84.25B
Shares Outstanding477.21M
Float480.84M
Cash$2.11B
Debt$20.56B
Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

FieldCurrent ValueBasis
DilutionScore35/100DilutionWatch score record
Shares Outstanding477.21MVerified float table or market cache
Public Float480.84MVerified float table or market cache
Market Cap$84.25BMarket data cache
Cash Runway8.7 monthsDilutionWatch score inputs
Shelf CapacityNone in current score inputsSEC-derived dilution fields
ATM CapacityNone in current score inputsSEC-derived dilution fields
Outstanding WarrantsNone in current score inputsSEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 5.

Recent SEC source mix: FORM 4 5.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 17.9% shares (2026Q1 vs prior)
1545 institutional holders · 532.00M shares
#1 VANGUARD CAPITAL MANAGEMENT LLC 62.94M shares
#2 BlackRock, Inc. 42.06M shares
#3 BARCLAYS PLC 24.22M shares
+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest6.35M
Days to Cover1.9
% of Float1.3%
FINRA data as of Sep 30, 2026

Recent SEC Activity

Form 4 INSIDER TRANSACTION 2026-09-02
Form 4 INSIDER TRANSACTION 2026-09-02
Form 4 INSIDER TRANSACTION 2026-09-02
Form 4 INSIDER TRANSACTION 2026-09-02
Form 4 INSIDER TRANSACTION 2026-08-15
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual MRSH Dilution Snapshot

Marsh & McLennan Companies, Inc. (MRSH) has a DilutionScore of 35/100, rated Medium dilution risk. Score date: October 13, 2026.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.

DilutionScore History — Last 90 Days

MRSH's DilutionScore has held steady at 35/100 (Medium risk) for 89 consecutive days across the tracked period.

Period Score Risk Level Duration
Jul 16 – Oct 13, 202635/100MEDIUM89 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

MRSH shares outstanding have decreased 0.5% from 484.12M (Mar 2026) to 481.79M (Apr 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
Apr 17, 2026481.79M480.84M▼ 0.48%
Mar 05, 2026484.12M483.18M▼ 0.01%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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