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9 /100
COMPONENT-LIMITED
Score updated Oct 13, 2026

ACGL — Arch Capital Group Ltd. Dilution Risk Tracker

Track ACGL 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, Arch Capital Group Ltd. (ACGL) has a DilutionWatch DilutionScore of 9/100, rated LOW dilution risk. This is a component-limited score because one or more material inputs are unavailable or not applicable. Arch Capital Group Ltd. has a market capitalization of $33.15B, 341.23M shares outstanding, 913 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
18
💰Cash Runway—
📊 Float Risk
2
⚠️ Warrant Exposure
15
🔄 Convertible Debt
15

Dilution Forecast

☀️
Clear
No significant dilution signals
model est. 0%
No significant dilution signals detected for ACGL.
🔔 Track ACGL — Get forecast alerts →

Market Data

Market Cap$33.15B
Shares Outstanding341.23M
Float336.71M
Cash$1.11B
Debt$2.73B
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
DilutionScore9/100DilutionWatch score record
Shares Outstanding341.23MVerified float table or market cache
Public Float336.71MVerified float table or market cache
Market Cap$33.15BMarket data cache
Cash RunwayNot applicable / unavailableDilutionWatch 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: 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: ↑ 17.4% shares (2026Q1 vs prior)
913 institutional holders · 392.11M shares
#1 VANGUARD CAPITAL MANAGEMENT LLC 45.23M shares
#2 BlackRock, Inc. 31.35M shares
#3 Artisan Partners Limited Partnership 22.67M 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 Interest7.68M
Days to Cover1.6
% of Float2.3%
FINRA data as of Sep 30, 2026

Recent SEC Activity

4 INSIDER TRANSACTION 2026-03-12
4 INSIDER TRANSACTION 2026-03-12
4 INSIDER TRANSACTION 2026-03-12
4 INSIDER TRANSACTION 2026-03-06
4 INSIDER TRANSACTION 2026-03-05
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual ACGL Dilution Snapshot

Arch Capital Group Ltd. (ACGL) has a DilutionScore of 9/100, rated Low 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

ACGL's DilutionScore has held steady at 9/100 (Low risk) for 89 consecutive days across the tracked period.

Period Score Risk Level Duration
Jul 16 – Oct 13, 20269/100LOW89 days

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

Share Dilution History

ACGL shares outstanding have decreased 1.8% from 355.80M (Mar 2026) to 349.39M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 10, 2026349.39M336.74M▼ 0.04%
May 08, 2026349.39M336.88M▼ 1.00%
May 03, 2026353.20M340.28M▼ 0.03%
May 01, 2026353.20M340.39M▼ 0.82%
Mar 09, 2026355.80M343.19M▼ 0.04%

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

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Score Coverage Note