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Attralus

Attralus

Private
Naples, FloridaHealthcare & Life Scienceshttps://attralus.com/

Last Round

Series B

Extension

Feb 6, 2024

Est. Valuation

$426M

Total Funding Raised

$197M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Attralus is a biotechnology company that develops immunotherapies and imaging diagnostic platforms for the treatment of systemic amyloid diseases.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Clinical Trials, Precision Medicine

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Non-AI

Keywords

systemic amyloidosisAL amyloidosisbiopharmaceuticalfusion proteinorphan drugmolecular imagingradiotracersamyloid fibrilsbiotechdrug pipelineclinical stagecardiac amyloidosistherapeutic candidatedrug discoveryrare disease

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Attralus Comparables

Compare Attralus with similar companies based on industry and business-model similarity.

Attralus comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Prothena Corporation plc
78%
Paradox Immunotherapeutics
77%
Immutrin
74%

Attralus Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series B ExtensionFeb 6, 2024
Series BSep 8, 2021
Series ASep 14, 2020

Key People

Founding team and executive leadership

Mark Timney

CEO Board Member, Attralus Therapeutics

Executive Team

Spencer Guthrie

Chief Executive Officer

Executive Team

Attralus Investors

Notable investors and investment history

Attralus investors
InvestorRounds
Redmile GroupSeries B
Surveyor CapitalSeries B Extension, Series B
Janus Henderson GroupSeries B
Logos CapitalSeries B Extension, Series B
CitadelSeries B Extension, Series B
venBioSeries B Extension, Series B, Series A
Samsara BioCapitalSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 22, 2026

    Monthly visitors increased 31% MoM.

  • Feb 6, 2024

    $56M round led by Alpha Wave Global

Recent news

Latest coverage and updates

  • recognized_asAug 12, 2026

    Attralus, Inc. recognized as Fast Track designation on Aug 12th '26.

Attralus Filings

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Attralus filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Attralus's valuation, stock price, and market status.

Is Attralus a public or private company?

Attralus is a private company.

What is the current stock price of Attralus?

Attralus is a private company with no public stock price. No recent secondary market data is available.

How much is Attralus worth (valuation)?

Valuation information for Attralus is not publicly available.

Can I buy Attralus stock?

Attralus shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Attralus's last funding round?

Attralus's most recent funding round was Series B Extension on February 6, 2024.

Who are the main investors in Attralus?

Key investors in Attralus include Logos Capital, venBio, Alpha Wave Global.

Will Attralus IPO soon?

No public IPO plans have been announced for Attralus.

How can I track Attralus secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Attralus's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersNaples, Florida
Employee Range13
Year Founded2019
Last FundingFeb 6, 2024

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