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32 /100
COMPONENT-LIMITED
Score updated Oct 13, 2026

IRWD — Ironwood Pharmaceuticals, Inc. Dilution Risk Tracker

Track IRWD 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, Ironwood Pharmaceuticals, Inc. (IRWD) has a DilutionWatch DilutionScore of 32/100, rated MEDIUM dilution risk. This is a component-limited score because one or more material inputs are unavailable or not applicable. Ironwood Pharmaceuticals, Inc. has a market capitalization of $621.30M, 165.24M shares outstanding, 227 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—
📊 Float Risk
22
⚠️ Warrant Exposure
40
🔄 Convertible Debt
85

Dilution Forecast

⛈️
Warning
High probability of dilution event
model est. 34%
🔁 Convertible Conversion model 60%
• Major convertible overhang: 64% potential dilution
• Convertible risk score very high (85/100)
🔄 Reverse Split model est. 15%
• 52-week low $0.56 has breached $1
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Market Data

Market Cap$621.30M
Shares Outstanding165.24M
Float136.34M
Cash$79.13M
Debt$320.21M
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
DilutionScore32/100DilutionWatch score record
Shares Outstanding165.24MVerified float table or market cache
Public Float136.34MVerified float table or market cache
Market Cap$621.30MMarket 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: 7.

Recent SEC source mix: 4 5, 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: ↑ 6.7% shares (2026Q1 vs prior)
227 institutional holders · 190.05M shares
#1 ARMISTICE CAPITAL, LLC 15.03M shares
#2 BlackRock, Inc. 13.36M shares
#3 VANGUARD CAPITAL MANAGEMENT LLC 12.19M 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 Interest15.57M
Days to Cover6.2
% of Float11.4%
FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2025-03-31
xbrl XBRL CONVERTIBLE 2022-02-18
4 INSIDER TRANSACTION 2026-03-17
4 INSIDER TRANSACTION 2026-03-12
4 INSIDER TRANSACTION 2026-03-12
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual IRWD Dilution Snapshot

Ironwood Pharmaceuticals, Inc. (IRWD) has a DilutionScore of 32/100, 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

IRWD's DilutionScore is currently 32/100 (Medium risk), with 2 score changes tracked over 89 days. The score improved from 23/100 (Low risk).

Period Score Risk Level Duration
Aug 22 – Oct 13, 202632/100MEDIUM53 days
Aug 14 – Aug 21, 202623/100LOW7 days
Jul 16 – Aug 13, 202632/100MEDIUM29 days

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

Share Dilution History

IRWD shares outstanding have increased 1.0% from 163.06M (Mar 2026) to 164.61M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 18, 2026164.61M136.34M▲ 0.74%
May 11, 2026164.61M135.34M▲ 0.71%
May 10, 2026164.61M134.38M▲ 6.99%
May 09, 2026164.61M125.61M▲ 0.02%
Apr 03, 2026163.06M125.58M▼ 0.26%
Mar 23, 2026163.06M125.90M▲ 5.64%
Mar 05, 2026163.06M119.18M▲ 0.11%

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

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Score Coverage Note

More Research for IRWD
IRWD FDA Catalyst Timeline & Biotech Grade — BiotechSigns

Part of the Guerilla Finance research network. Cross-reference multiple data sources for better due diligence.