Attralus Funding, Investors & Competitors

Attralus has raised $197M across 3 funding rounds, most recently a $56M Series B in February 2024.

Last Attralus funding round

$56M

Series B · Feb 2024

Cumulative funding Attralus raised

$197M

across 3 funding rounds

Key investors in Attralus

  • venBio Partners
  • Vivo Capital
  • Surveyor Capital
  • Logos Capital
  • Sarissa Capital Management
  • Redmile Group
  • Janus Henderson
  • Samsara BioCapital

Attralus Overview

About Attralus

Attralus is a San Francisco-headquartered biopharmaceutical firm developing pan-amyloid targeting therapies for systemic amyloidosis. Its peptide-based agents aim to diagnose and treat all subtypes including AL, AA, and ATTR amyloidosis using a single platform. The lead candidate AT-01 entered Phase 1 trials in 2023 targeting clearance of amyloid deposits. Attralus collaborates with academic centers in the US and Europe for clinical validation.


Founded

2019

HQ

United StatesSan Francisco, CA

Status

Privately held

Customer focus

B2C

Revenue model

Product sales

Attralus Funding History

Attralus has raised a total of $197M across 3 funding rounds.

Attralus' first fundraising round was a $25M Series A in September 2020. The most recent completed round was a $56M Series B in February 2024.

Attralus funding rounds

Attralus funding rounds
DateStageInvestorsRaisedDeal Summary
Feb 2024Series BAlpha Wave Ventures (lead); Sarissa Capital Management; Vivo Capital; Bristol-Myers Squibb; Logos Capital; venBio Partners; Surveyor Capital$56MAttralus is a clinical-stage biopharmaceutical company developing transformative medicines and diagnostics for patients with systemic amyloidosis, including AT-02 which received FDA orphan drug designation for transthyretin-associated amyloidosis (ATTR). The company, headquartered in South San Francisco, California, has raised a total of approximately $197-198M across five funding rounds. Its latest round was a Series B-II raising $56M on February 6, 2024, led by Alpha Wave Global (also referred to as Alpha Wave Ventures), with participation from Bristol-Myers Squibb, Logos Capital, Sarissa Capital Management, Surveyor Capital, venBio Partners, and Vivo Capital. Previous rounds include a Series B of $116M in September 2021 with investors such as Logos Capital, Redmile Group, Vivo Capital, Janus Henderson Investors, venBio Partners, Sarissa Capital Management, Samsara BioCapital, and Surveyor Capital, and a Series A of $25M in September 2020 led by venBio Partners. The company has around 30-40 employees. Attralus focuses on biotech innovations in amyloidosis treatments, with 11 total investors.
Sep 2021Series BLogos Capital (lead); Redmile Group; Janus Henderson; Sarissa Capital Management; Vivo Capital; venBio Partners; Samsara BioCapital; Surveyor Capital$116MAttralus is a biopharmaceutical company developing therapeutics for systemic amyloidosis, including pan-amyloid removal (PAR) therapies like AT-03, a fusion protein designed to bind and clear amyloid deposits via immune stimulation, and AT-01, an amyloid-specific PET/CT imaging radiotracer that detects various amyloid types in organs such as the heart, kidney, liver, and spleen. On September 8, 2021, Attralus closed a $116 million Series B financing round led by Logos Capital, with participation from Janus Henderson Investors, Redmile Group, Samsara BioCapital, Sarissa Capital Management, Surveyor Capital, Vivo Capital, and venBio Partners. Proceeds were allocated to advance AT-03 into a phase 1 biodistribution study in amyloidosis patients, progress the AT-01 clinical imaging program, expand the team, and build infrastructure for growth. This followed a $25 million Series A round in September 2020 led by venBio Partners. Attralus reported an accumulated deficit of $32.5 million and net loss of $28.1 million for the year ended December 31, 2020, reflecting pre-revenue clinical-stage status typical for biotech startups. The company continued raising capital post-2021, achieving total funding of approximately $197-198 million across five rounds, including a $56 million Series B-II in February 2024 with some overlapping investors. Attralus focuses on addressing unmet needs in amyloidosis beyond current treatments that only slow progression, positioning its PAR platform for broad amyloid deposit removal across AL and ATTR types.
Sep 2020Series AvenBio Partners (lead)$25MAttralus, a biopharmaceutical company focused on transformative medicines for patients with systemic amyloidosis, launched on September 14, 2020, with a $25 million Series A financing led by venBio Partners. The funding enables validation of its pan-amyloid imaging agent AT-01 and advancement of therapeutic candidates AT-02 and AT-03 into clinical development for ATTR, AL, and potentially ALECT2 amyloidosis, with IND applications planned by early 2022. Systemic amyloidosis involves protein misfolding leading to toxic amyloid fibril accumulation in organs. The company leverages proprietary pan-amyloid targeting agents designed to diagnose and reverse underlying pathology in amyloid diseases. Technology was licensed from the UT Research Foundation, highlighting its role in moving university innovations to market. Subsequent rounds include a $116M Series B in September 2021 led by Logos Capital with participation from Janus Henderson Investors, Redmile Group, Samsara BioCapital, Sarissa Capital Management, Surveyor Capital, Vivo Capital, and venBio Partners, to advance PAR therapeutics like AT-03 into Phase 1 trials and the AT-01 imaging program. A $56M financing closed in February 2024 led by Alpha Wave Ventures with Bristol Myers Squibb and existing investors including venBio, to support Phase 1/2 development of AT-02 and other programs.

Who has invested in Attralus?

10 investors have backed Attralus across its funding rounds, including venBio Partners, Vivo Capital, Surveyor Capital, Logos Capital, Sarissa Capital Management and Redmile Group.

Lead investors include Alpha Wave Ventures, Logos Capital and venBio Partners.


Attralus Investors

Investors in Attralus by funding rounds participated
InvestorHQRoundsRoleFirst check
venBio PartnersUnited StatesSan Francisco, CA3LeadSep 2020
Sarissa Capital ManagementUnited StatesGreenwich, CT2ParticipantSep 2021
Vivo CapitalUnited StatesUnited States2ParticipantSep 2021
Logos CapitalUnited StatesSan Francisco, CA2LeadSep 2021
Surveyor CapitalUnited StatesChicago, IL2ParticipantSep 2021
Redmile GroupUnited StatesSan Francisco, CA1ParticipantSep 2021
Alpha Wave VenturesUnited StatesMiami, FL1LeadFeb 2024
Janus HendersonUnited StatesLondon1ParticipantSep 2021

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Attralus Competitors

Attralus competitors include listed companies like Eli Lilly, Johnson & Johnson, AbbVie and Merck, and private ones like Biosplice Therapeutics and Biocon Biologics.

Public and private companies comparable to Attralus
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Eli LillyUnited StatesUnited StatesPublicly listed$65B$28B$1.0T13.1x
Johnson & JohnsonUnited StatesUnited StatesPublicly listed$94B$40B$651B6.8x
AbbVieUnited StatesUnited StatesPublicly listed$61B$17B$467B8.1x
MerckUnited StatesUnited StatesPublicly listed$65B$28B$363B6.2x
Biosplice TherapeuticsUnited StatesSan Diego, CAPrivate--$12B-
Biocon BiologicsIndiaBangalorePrivate$1.1B-$4.5B4.2x

Attralus Public Comps

Attralus is still privately-owned, but its public comps include Eli Lilly, Johnson & Johnson, AbbVie, Merck, Roche, Novartis, AstraZeneca, Amgen, Novo Nordisk and Gilead Sciences.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Eli Lilly$65B$28B16.5x13.1x38.7x27.0x
Johnson & Johnson$94B$40B7.2x6.8x17.0x18.3x
AbbVie$61B$17B8.7x8.1x30.6x17.6x
Merck$65B$28B6.3x6.2x14.7x21.0x
Roche$77B$26B5.0x4.9x14.6x12.4x
Novartis$57B$22B5.5x5.5x14.2x13.3x
AstraZeneca$59B$19B4.8x4.5x14.6x12.7x
Amgen$37B$17B6.8x6.5x14.8x14.4x

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Common questions about Attralus

When was Attralus founded?Attralus was founded in 2019.
Where is Attralus headquartered?Attralus is headquartered in San Francisco, CA, United States.
Is Attralus publicly listed?No, Attralus is a private, VC-backed company.
How much funding has Attralus raised?Attralus has raised $197M across 3 funding rounds.
What was Attralus' last funding round?Attralus' last funding round was a $56M Series B in February 2024, led by Alpha Wave Ventures.
Who are Attralus' investors?Attralus' investors include venBio Partners, Sarissa Capital Management, Vivo Capital, Logos Capital, Surveyor Capital, Redmile Group, Alpha Wave Ventures, Janus Henderson, Bristol-Myers Squibb and Samsara BioCapital.
Which companies are comparable to Attralus?Companies comparable to Attralus include Eli Lilly, Johnson & Johnson, AbbVie, Merck, Biosplice Therapeutics and Biocon Biologics.

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