Features Pricing Learn Reverse Splits Tracker Shelf & ATM Tracker Warrant Tracker PIPE Deal Tracker Weekly Report FAQ API Sign In →
46 /100
COMPONENT-LIMITED
Score updated Oct 13, 2026

ANNX — Annexon, Inc. Dilution Risk Tracker

Track ANNX 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.

🔔 Track ANNX — Get alerts when the score changes →

As of October 13, 2026, Annexon, Inc. (ANNX) has a DilutionWatch DilutionScore of 46/100, rated MEDIUM dilution risk. This is a component-limited score because one or more material inputs are unavailable or not applicable. Annexon, Inc. has a market capitalization of $152.71M, 38.56M shares outstanding, 218 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
60
💰 Cash Runway
40
📊Float Risk—
⚠️ Warrant Exposure
40
🔄 Convertible Debt
40

Dilution Forecast

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

Market Data

Market Cap$152.71M
Shares Outstanding38.56M
FloatN/A
Cash$199.27M
Debt$25.43M
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
DilutionScore46/100DilutionWatch score record
Shares Outstanding38.56MVerified float table or market cache
Public FloatNot availableVerified float table or market cache
Market Cap$152.71MMarket data cache
Cash Runway15.1 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: 6.

Recent SEC source mix: 4 5, XBRL 1.

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: ↑ 27.0% shares (2026Q1 vs prior)
218 institutional holders · 177.09M shares
#1 Redmile Group, LLC 14.55M shares
#2 VANGUARD CAPITAL MANAGEMENT LLC 11.91M shares
#3 BlackRock, Inc. 10.94M 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 Interest32.01M
Days to Cover8.9
% of FloatN/A
FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2022-03-01
4 INSIDER TRANSACTION 2026-03-12
4 INSIDER TRANSACTION 2026-03-04
4 INSIDER TRANSACTION 2026-03-04
4 INSIDER TRANSACTION 2026-03-04
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual ANNX Dilution Snapshot

Annexon, Inc. (ANNX) has a DilutionScore of 46/100, 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

ANNX's DilutionScore is currently 46/100 (Medium risk), with 1 score change tracked over 89 days. The score improved from 40/100 (Medium risk).

Period Score Risk Level Duration
Oct 10 – Oct 13, 202646/100MEDIUM4 days
Jul 16 – Oct 09, 202640/100MEDIUM85 days

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

Share Dilution History

ANNX shares outstanding have increased 9.9% from 149.06M (Mar 2026) to 163.84M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 25, 2026163.84M130.11M▲ 0.08%
May 19, 2026163.84M130.01M▼ 3.04%
May 16, 2026163.84M134.09M▲ 0.18%
May 11, 2026163.84M133.84M▲ 2.10%
Apr 26, 2026160.47M131.09M▲ 0.28%
Apr 03, 2026160.47M130.72M▲ 1.77%
Apr 01, 2026149.06M128.45M▲ 34.14%
Mar 19, 2026149.06M95.76M▼ 0.03%

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

Track ANNX Dilution Risk in Real-Time
DilutionWatch monitors SEC filings 24/7 and alerts you the moment ANNX files a shelf registration, ATM offering, warrant notice, or convertible note. Free tier available — no credit card required.
Start Tracking ANNX — Free
Email alert within minutes of any SEC filing Daily DilutionScore™ recalculation Score history & trend tracking Tracks 8,000+ tickers simultaneously

Related Stocks — MEDIUM Risk

Other MEDIUM dilution risk stocks tracked by DilutionWatch with similar profiles:

Browse all 8,490+ tracked stocks →

📖 Dilution Education
→ Complete Dilution Guide for Retail Investors → Anti-Dilution Provisions Explained → Stock Dilution Red Flags to Watch → Understanding Shelf Registrations

Score Coverage Note

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

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