What is ANRO's dilution risk score?

ANRO has a latest available DilutionScore record of 31/100, categorized as medium dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ANRO, 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 ANRO?

DilutionWatch tracks 25 SEC filing types for ANRO 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 ANRO shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For ANRO, 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 ANRO tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for ANRO. 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.

ANRO Dilution Risk Score: 31/100 (MEDIUM)

Score Breakdown

📋 Offering Ability

42

💰 Cash Runway

0

📊 Float Risk

30

⚠️ Warrant Exposure

40

🔄 Convertible Debt

15

Dilution Forecast

⛅

Watch

Minor dilution signals detected

model est. 10%

💰 Capital Raise model 20%

• Active shelf registration ($120M, 17% of market cap)

🔔 Track ANRO — Get forecast alerts →

Market Data

Market Cap$704.34M

Shares Outstanding39.24M

Float23.95M

Cash$243.73M

Debt$16.19M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 27.2% shares (2026Q1 vs prior)

112 institutional holders · 31.97M shares

#1 PERCEPTIVE ADVISORS LLC 4.02M shares

#2 Alpha Wave Global, LP 3.71M shares

#3 Commodore Capital LP 2.72M 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 Interest3.24M

Days to Cover7.5

% of Float13.5%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2025-12-31

xbrl XBRL WARRANT 2025-12-31

EFFECT EFFECT 2026-04-20

S-3 SHELF 2026-04-10

8-K 8K EVENT 2026-03-16

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual ANRO Dilution Snapshot

Alto Neuroscience, Inc. (ANRO) has a DilutionScore of 31/100, rated Medium dilution risk. Score date: August 28, 2026.

Stored shelf registration capacity: $120.0M.
Recent SEC activity tracked for ANRO: EFFECT on 2026-04-20; S-3 on 2026-04-10; 8-K on 2026-03-16.

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.