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58 /100
HIGH RISK
Score updated Oct 13, 2026

ALEC — Alector, Inc. Dilution Risk Tracker

Track ALEC 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, Alector, Inc. (ALEC) has a DilutionWatch DilutionScore of 58/100, rated HIGH dilution risk. Alector, Inc. has a market capitalization of $232.25M, 111.66M shares outstanding, 139 institutional holders tracked. Stored dilution-related fields include shelf registration capacity of $400.00M.

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
92
💰 Cash Runway
65
📊 Float Risk
5
⚠️ Warrant Exposure
40
🔄 Convertible Debt
40

Dilution Forecast

⛅
Watch
Minor dilution signals detected
model est. 20%
💰 Capital Raise model 35%
• Under 12 months cash (9mo)
• Active shelf registration ($400M, 172% of market cap)
🔄 Reverse Split model est. 10%
• 9 months cash with weak price
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Market Data

Market Cap$232.25M
Shares Outstanding111.66M
Float94.09M
Cash$172.80M
Debt$9.85M
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
DilutionScore58/100DilutionWatch score record
Shares Outstanding111.66MVerified float table or market cache
Public Float94.09MVerified float table or market cache
Market Cap$232.25MMarket data cache
Cash Runway9.4 monthsDilutionWatch score inputs
Shelf Capacity$400.00MSEC-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 4, S-3 1, 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: ↑ 11.3% shares (2026Q1 vs prior)
139 institutional holders · 96.11M shares
#1 TCG Crossover Management, LLC 10.00M shares
#2 BlackRock, Inc. 7.74M shares
#3 VANGUARD CAPITAL MANAGEMENT LLC 7.36M 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 Interest6.15M
Days to Cover5.7
% of Float6.5%
FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2022-02-24
4 INSIDER TRANSACTION 2026-03-13
4 INSIDER TRANSACTION 2026-03-13
S-3 SHELF 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 ALEC Dilution Snapshot

Alector, Inc. (ALEC) has a DilutionScore of 58/100, rated High 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

ALEC's DilutionScore has held steady at 58/100 (High risk) for 89 consecutive days across the tracked period.

Period Score Risk Level Duration
Jul 16 – Oct 13, 202658/100HIGH89 days

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

Share Dilution History

ALEC shares outstanding have increased 1.7% from 109.15M (Mar 2026) to 111.03M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 18, 2026111.03M94.09M▲ 7.86%
May 11, 2026111.03M87.23M▲ 0.76%
May 09, 2026111.03M86.57M▲ 0.31%
Mar 17, 2026110.36M86.30M▲ 0.07%
Mar 14, 2026110.36M86.25M▼ 0.07%
Mar 13, 2026110.36M86.30M▼ 0.11%
Mar 05, 2026109.15M86.40M▲ 0.31%

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

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