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40 /100
COMPONENT-LIMITED
Score updated Oct 13, 2026

MREO — Mereo BioPharma Group plc Dilution Risk Tracker

Track MREO 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, Mereo BioPharma Group plc (MREO) has a DilutionWatch DilutionScore of 40/100, rated MEDIUM dilution risk. This is a component-limited score because one or more material inputs are unavailable or not applicable. Mereo BioPharma Group plc has a market capitalization of $251.67M, 798.45M shares outstanding, 67 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
40
💰 Cash Runway
40
📊Float Risk—
⚠️ Warrant Exposure
40
🔄 Convertible Debt
40

Dilution Forecast

🌥️
Advisory
Moderate dilution signals present
model est. 27%
🔄 Reverse Split model est. 55%
• 50-day avg $0.30 below $1 exchange minimum
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Market Data

Market Cap$251.67M
Shares Outstanding798.45M
FloatN/A
Cash$30.12M
DebtN/A
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
DilutionScore40/100DilutionWatch score record
Shares Outstanding798.45MVerified float table or market cache
Public FloatNot availableVerified float table or market cache
Market Cap$251.67MMarket data cache
Cash Runway12.1 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: 2.

Recent SEC source mix: XBRL 2.

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: ↑ 19.7% shares (2026Q1 vs prior)
67 institutional holders · 81.31M shares
#1 Rubric Capital Management LP 15.31M shares
#2 EcoR1 Capital, LLC 13.37M shares
#3 683 Capital Management, LLC 12.00M 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 Interest2.68M
Days to Cover1.2
% of FloatN/A
FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2026-03-19
xbrl XBRL CONVERTIBLE 2025-03-26
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual MREO Dilution Snapshot

Mereo BioPharma Group plc (MREO) has a DilutionScore of 40/100, 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

MREO's DilutionScore is currently 40/100 (Medium risk), with 3 score changes tracked over 89 days. The score improved from 36/100 (Medium risk).

Period Score Risk Level Duration
Oct 01 – Oct 13, 202640/100MEDIUM13 days
Aug 22 – Sep 30, 202636/100MEDIUM40 days
Aug 14 – Aug 21, 202635/100MEDIUM7 days
Jul 16 – Aug 13, 202631/100MEDIUM29 days

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

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Score Coverage Note