ALEC

Alector, Inc. ALEC

NasdaqSmall CapHealthcare

13F Pro quality score

Rank #2,870 of 2,925

Why it scores 11Healthcare peers →

Rankings refresh quarterly once 80% of peers have filed. Next update: ~Nov 14, 2026.

Revenue

$3.32M

Quarter to Jun 30

Net income

$-22.99M

Quarter to Jun 30

Free cash flow

$-34.25M

Quarter to Jun 30

Top Institutional Holders

as of Q2 2026
$183.39M total
TCG Crossover Management, LLC
$20.10M0.0%
BlackRock, Inc.
$15.77M+1.4%
ACADIAN ASSET MANAGEMENT LLC
$8.86M+9.3%
Nantahala Capital Management, LLC
$8.68M+53.3%
VANGUARD CAPITAL MANAGEMENT LLC
$8.06M+9.0%
Kynam Capital Management, LP
$7.66M+90.4%
Merck & Co., Inc.
$7.13M0.0%
BALYASNY ASSET MANAGEMENT L.P.
$6.53M+10.6%
683 Capital Management, LLC
$6.43M0.0%
D. E. Shaw & Co., Inc.
$5.95M-11.2%
ADAR1 Capital Management, LLC
$5.80M+174.6%
VANGUARD PORTFOLIO MANAGEMENT LLC
$5.67M+9.2%
GEODE CAPITAL MANAGEMENT, LLC
$4.93M+7.4%
Spruce Street Capital LP
$4.22M0.0%
MILLENNIUM MANAGEMENT LLC
$4.00M+0.5%
Ikarian Capital, LLC
$3.99M-4.8%
STATE STREET CORP
$3.78M+0.8%
JACOBS LEVY EQUITY MANAGEMENT, INC
$3.55M-18.0%
MEDICI CAPITAL LLC
$3.32M0.0%
Affinity Asset Advisors, LLC
$3.04M+202.0%
Eversept Partners, LP
$2.86M+5.4%
FMR LLC
$2.81M-22.3%
AQR CAPITAL MANAGEMENT LLC
$2.63M+84.1%
Euclidean Capital LLC
$2.63M0.0%
MACKENZIE FINANCIAL CORP
$2.23M+29.4%
See all 141 institutional holders →
Reading the latest SEC filing…

Key Metrics

Revenue

Q2 2026
EDGAR

Net Income

Q2 2026
EDGAR

EPS (Diluted)

Q2 2026
EDGAR

Free Cash Flow

Q2 2026
EDGAR

Debt/Equity

Q2 2026
EDGAR

Financial Trends

Revenue & Net Income

13fpro.ai/company/ALEC

Earnings Per Share

13fpro.ai/company/ALEC

Loading ratio trend…

ALEC key financials by period

Reported revenue, net income and operating margin by fiscal year, from Alector, Inc.'s annual filings on SEC EDGAR.

Alector, Inc. reported revenue, net income and margins by fiscal period, from SEC filings.
PeriodRevenueNet incomeOp. margin
FY 2025$21.0M$-142.9M—
FY 2024$100.6M$-119.0M-144.2%
FY 2023$97.1M$-130.4M-156.3%
FY 2022$133.6M$-133.3M-103.2%
FY 2021$207.1M$-36.3M-18.0%
FY 2020$21.1M$-190.2M—
Source: ALEC filings on SEC EDGAR →

Companies similar to ALEC

Ranked by quality-factor profile and overlapping institutional ownership, from the latest 13F filings and SEC financials.

ALEC insiders

Officers, directors and 10% owners with a Form 4 filed in the last 24 months, most recent first. From SEC EDGAR.

About Alector, Inc. (ALEC): stock profile, AI score and financials

Alector, Inc. (ALEC) stock profile, AI quality score, and SEC EDGAR financial data, a Healthcare sector company. 13F Pro's AI-powered ranking engine scores ALEC at 10.6/100 on a composite quality score built from its SEC filings, placing it at rank #2,870 of 2,925 stocks — the bottom half of the AI-ranked universe. Areas of concern include earnings quality (3.8) and free cash flow (4.5), which score below median versus the broader universe. Shareholder dilution risk is elevated at 2.5/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q2 2026), Alector, Inc. reports quarterly revenue of $3.3M, net income of $-23.0M, free cash flow of $-34.2M. Top institutional holders of ALEC by reported 13-F value include TCG Crossover Management, BlackRock, ACADIAN ASSET MANAGEMENT, based on the most recent SEC filings. ALEC trades on the Nasdaq exchange and files with the SEC under CIK 1653087. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate ALEC daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Alector, Inc. directly from SEC EDGAR.

Financials through the period ended SEC EDGAR: CIK 1653087 →