What is ASMB's dilution risk score?

ASMB has a latest available DilutionScore record of 72/100, categorized as high dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ASMB, including shelf registrations, ATM offerings, warrant exercises, PIPE deals, and reverse split signals when detected in source data.

What SEC filings does DilutionWatch track for ASMB?

DilutionWatch tracks 25 SEC filing types for ASMB including S-3 shelf registrations, 424B prospectuses (ATM offerings), S-1 registration statements, 8-K material events, warrant exercise notices, convertible note agreements, and Form 4 insider transactions. Alerts are delivered via email within minutes of a filing appearing on EDGAR.

How does stock dilution affect ASMB shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For ASMB, common dilution events include at-the-market (ATM) stock offerings, shelf registration drawdowns, warrant exercises, and convertible note conversions. Each event increases the share count and can pressure the stock price lower.

Is DilutionWatch free for ASMB tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for ASMB. Premium plans ($19.95/month Basic, $39.95/month Premium) unlock real-time email alerts, the full Pulse™ feed, advanced dilution forecasts, and access to all 10,000+ tracked tickers.

ASMB Dilution Risk Score: 72/100 (HIGH)

Score Breakdown

📋 Offering Ability

💰 Cash Runway

📊 Float Risk

⚠️ Warrant Exposure

🔄 Convertible Debt

Dilution Forecast

⛈️

Warning

High probability of dilution event

model est. 38%

📜 Warrant Exercise model 60%

• Massive warrant overhang: 54% of shares outstanding

• Warrant risk score very high (90/100)

💰 Capital Raise model 20%

• Active shelf registration ($400M, 86% of market cap)

📉 Score Deterioration model 10%

• Score in HIGH risk zone (72/100)

🔔 Track ASMB — Get forecast alerts →

Market Data

Market Cap$463.61M

Shares Outstanding20.36M

Float7.52M

Cash$171.84M

Debt$419.4K

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.

Field	Current Value	Basis
DilutionScore	72/100	DilutionWatch score record
Shares Outstanding	20.36M	Verified float table or market cache
Public Float	7.52M	Verified float table or market cache
Market Cap	$463.61M	Market data cache
Cash Runway	23.6 months	DilutionWatch score inputs
Shelf Capacity	$400.00M	SEC-derived dilution fields
ATM Capacity	None in current score inputs	SEC-derived dilution fields
Outstanding Warrants	10.94M	SEC-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: ↑ 2.3% shares (2026Q1 vs prior)

75 institutional holders · 15.25M shares

#1 GILEAD SCIENCES, INC. 4.51M shares

#2 JANUS HENDERSON GROUP PLC 1.70M shares

#3 FARALLON CAPITAL MANAGEMENT LLC 1.23M 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 Interest2.82M

Days to Cover6.8

% of Float37.5%

FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2026-08-13

xbrl XBRL CONVERTIBLE 2014-03-31

4 INSIDER TRANSACTION 2026-03-31

Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual ASMB Dilution Snapshot

Assembly Biosciences, Inc. (ASMB) has a DilutionScore of 72/100, rated High dilution risk. Score date: October 13, 2026.

Stored shelf registration capacity: $400.0M.
Stored outstanding warrants: 10.9M.
Recent SEC activity tracked for ASMB: xbrl on 2026-08-13; 4 on 2026-03-31; 4 on 2026-03-31.

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

ASMB's DilutionScore is currently 72/100 (High risk), with 4 score changes tracked over 89 days. The score improved from 71/100 (High risk).

Period	Score	Risk Level	Duration
Oct 13, 2026	72/100	HIGH	1 day
Sep 30 – Oct 12, 2026	71/100	HIGH	13 days
Aug 22 – Sep 29, 2026	58/100	HIGH	39 days
Aug 14 – Aug 21, 2026	59/100	HIGH	7 days
Jul 16 – Aug 13, 2026	65/100	HIGH	29 days

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

Share Dilution History

ASMB shares outstanding have increased 0.5% from 15.82M (Mar 2026) to 15.89M (May 2026). Each increase represents potential dilution to existing shareholders.

Date	Shares Outstanding	Public Float	Change
May 10, 2026	15.89M	7.52M	▲ 0.19%
May 01, 2026	15.89M	7.51M	▲ 0.21%
Apr 17, 2026	15.86M	7.49M	▼ 0.18%
Mar 26, 2026	15.86M	7.50M	▲ 0.05%
Mar 23, 2026	15.82M	7.50M	▲ 0.56%

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

Track ASMB Dilution Risk in Real-Time

DilutionWatch monitors SEC filings 24/7 and alerts you the moment ASMB files a shelf registration, ATM offering, warrant notice, or convertible note. Free tier available — no credit card required.

Start Tracking ASMB — Free

Email alert within minutes of any SEC filing Daily DilutionScore™ recalculation Score history & trend tracking Tracks 8,000+ tickers simultaneously