Aro Biotherapeutics Funding, Investors & Competitors

Aro Biotherapeutics has raised $167M across 4 funding rounds, most recently a $42M Series B in November 2023.

Last Aro Biotherapeutics funding round

$42M

Series B · Nov 2023

Cumulative funding Aro Biotherapeutics raised

$167M

across 4 funding rounds

Key investors in Aro Biotherapeutics

  • Johnson & Johnson Innovation
  • Cowen Healthcare Investments
  • Northpond Ventures
  • Biotechnology Value Fund
  • HealthCap
  • BioMotiv
  • Ridgeback Capital
  • Ionis Pharmaceuticals

Aro Biotherapeutics Overview

About Aro Biotherapeutics

Aro Biotherapeutics is a Philadelphia-headquartered clinical-stage biotechnology company engineering Centyrin protein therapeutics for oncology and inflammatory diseases. This small scaffold platform enables multi-specific molecules and targeted delivery of payloads like nucleic acids, with candidates advancing in trials for autoimmune conditions.


Founded

2017

HQ

United StatesPhiladelphia, PA

Status

Privately held

Customer focus

B2C

Revenue model

Product sales

Aro Biotherapeutics Funding History

Aro Biotherapeutics has raised a total of $167M across 4 funding rounds.

Aro Biotherapeutics' first fundraising round was a $13M Series A in December 2018. The most recent completed round was a $42M Series B in November 2023.

Aro Biotherapeutics funding rounds

Aro Biotherapeutics funding rounds
DateStageInvestorsRaisedDeal Summary
Nov 2023Series BCowen Healthcare Investments (lead); Northpond Ventures; HealthCap; Biotechnology Value Fund; Johnson & Johnson Innovation$42MAro Biotherapeutics, a clinical-stage biotechnology company based in Philadelphia, pioneered the development of tissue-targeted genetic medicines using its proprietary Centyrin protein platform. The platform enables efficient and tissue-specific targeting of small interfering RNA (siRNA) therapies for genetic disorders and autoimmune conditions. On November 28, 2023, Aro announced the closing of a $41.5 million Series B financing round led by Cowen Healthcare Investments, with participation from existing Series A investors including Johnson & Johnson Innovation (JJDC), Northpond Ventures, BVF Partners (Biotechnology Value Fund), and Healthcap. The company's lead program, ABX1100, is a first-in-class Centyrin-siRNA conjugate candidate for Pompe disease, a rare inherited disorder characterized by progressive muscle weakness. ABX1100 had demonstrated a favorable safety profile in preclinical toxicology studies and received both Orphan Drug Designation and Rare Pediatric Disease status from the FDA. The Series B proceeds were designated to advance ABX1100 clinical development, with initial human trial data anticipated in 2024, and to support discovery of new Centyrin-siRNA conjugate therapies for autoimmune disorders. This round came approximately two years after Aro's Series A financing of $88 million in early 2021, which had been led by Northpond Ventures and Cowen Healthcare Investments.
Dec 2022Series BCowen Healthcare Investments (lead)$24MAro Biotherapeutics is a Philadelphia-based clinical-stage biotechnology company developing tissue-targeted genetic medicines using its proprietary Centyrin protein platform for siRNA delivery. The platform enables efficient, tissue-specific targeting for diseases like Pompe Disease and autoimmune disorders. In a Series B financing announced November 28, 2023, Aro raised $41.5 million led by Cowen Healthcare Investments, with participation from existing Series A investors including Johnson & Johnson Innovation – JJDC, Northpond Ventures, Healthcap, and BVF Partners. Christopher Picariello from JJDC joined the board. Funds from the round support advancement of lead program ABX1100, a Centyrin-siRNA conjugate for Pompe Disease, which entered first-in-human trials with initial data expected in 2024. Proceeds also fund discovery of new Centyrin-siRNA programs for autoimmune diseases. The company had previously raised a Series A in 2020 and aggregate funding exceeded $167 million by late 2023 across multiple rounds. Aro's pipeline is wholly-owned, focusing on Centyrins as small, non-antibody scaffolds for multi-specific therapeutics and nucleic acid delivery, aiming for improved efficacy and safety in serious diseases including cancer.
Jan 2021Series ACowen Healthcare Investments (lead); Northpond Ventures (lead); HealthCap; BioMotiv; Biotechnology Value Fund; Ionis Pharmaceuticals; Ridgeback Capital; Johnson & Johnson Innovation$88MAro Biotherapeutics, a Philadelphia-based biotechnology company founded in 2018 by Susan Dillon and Karyn O’Neil, raised $88 million in an oversubscribed Series A financing announced on January 5, 2021. The round was led by Northpond Ventures and Cowen Healthcare Investments, with participation from HealthCap, BVF Partners L.P., Ridgeback Capital, and existing investors including Johnson & Johnson Innovation – JJDC, Inc., BioMotiv, LLC, and Ionis Pharmaceuticals, Inc. Aro pioneers tissue-targeted genetic medicines using its proprietary Centyrin platform, which consists of small, stable engineered human proteins designed to target specific cell receptors and deliver RNA therapeutics like siRNA or antisense oligonucleotides to extra-hepatic tissues. The proceeds were allocated to advance lead Centyrin-conjugated RNA therapeutic candidates into clinical development, initially focusing on rare genetic and immune disorders. Centyrins are one-fifteenth the size of monoclonal antibodies, enabling efficient and precise drug delivery to disease sites. The company plans to leverage the platform for superior efficacy and safety in treating intractable diseases. In parallel, Aro had a collaboration with Ionis Pharmaceuticals, which licensed one program for a rare genetic muscle disease heading into preclinical development in 2021, with potential milestone payments up to $1.4 billion. Subsequent developments include a $41.5 million Series B in November 2023 led by Cowen Healthcare Investments with participation from prior investors to advance ABX1100 for Pompe Disease into phase 1 trials and explore autoimmune programs.
Dec 2018Series ABioMotiv (lead); Johnson & Johnson Innovation (lead)$13MAro Biotherapeutics, a biotechnology company co-founded by Sue Dillon and Karyn O’Neil, both former R&D leaders at Janssen Pharmaceutical Companies of Johnson & Johnson, raised $13 million in startup investment on December 11, 2018, from Johnson & Johnson Innovation – JJDC and BioMotiv. The company, based at the University of Pennsylvania’s Pennovation Center in Philadelphia, holds an exclusive worldwide license for Centyrin protein therapeutics discovered by O’Neil’s team at Janssen. Centyrins are small, non-antibody protein therapeutics designed for improved efficacy and safety in treating cancer and other serious diseases, with the lead program targeting non-small cell lung cancer and other applications in development. The funding supports research, development, and commercialization of Centyrins toward clinical development, leveraging production in bacteria like E. coli for cost-effective scaling. Aro established a leadership team with experience in discovery, development, and commercialization of blockbuster biologics for cancer and immune diseases. The company focuses on a wholly-owned pipeline for oncology and immunology, while partnering on Centyrin delivery of drug payloads including nucleic acid drugs.

Who has invested in Aro Biotherapeutics?

8 investors have backed Aro Biotherapeutics across its funding rounds, including Johnson & Johnson Innovation, Cowen Healthcare Investments, Northpond Ventures, Biotechnology Value Fund, HealthCap and BioMotiv.

Lead investors include Cowen Healthcare Investments, Northpond Ventures, BioMotiv and Johnson & Johnson Innovation.


Aro Biotherapeutics Investors

Investors in Aro Biotherapeutics by funding rounds participated
InvestorHQRoundsRoleFirst check
Cowen Healthcare InvestmentsUnited StatesNew York City, NY3LeadJan 2021
Johnson & Johnson InnovationUnited StatesUnited States3LeadDec 2018
Northpond VenturesUnited StatesWashington, DC2LeadJan 2021
HealthCapSwedenStockholm2ParticipantJan 2021
BioMotivUnited StatesCleveland, OH2LeadDec 2018
Biotechnology Value FundUnited StatesSan Francisco, CA2ParticipantJan 2021

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Aro Biotherapeutics Competitors

Aro Biotherapeutics competitors include listed companies like Johnson & Johnson and Roche, and private ones like Biosplice Therapeutics, Biomat USA, ArsenalBio and BioRay Pharmaceuticals.

Public and private companies comparable to Aro Biotherapeutics
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Johnson & JohnsonUnited StatesUnited StatesPublicly listed$94B$40B$651B6.8x
RocheSwitzerlandSwitzerlandPublicly listed$77B$26B$351B4.9x
Biosplice TherapeuticsUnited StatesSan Diego, CAPrivate--$12B-
Biomat USAUnited StatesLos Angeles, CAPrivate--$4.2B-
ArsenalBioUnited StatesUnited StatesPrivate--$1.9B-
BioRay PharmaceuticalsChinaShanghaiPrivate$131M-$1.9B14.5x

Aro Biotherapeutics Public Comps

Aro Biotherapeutics is still privately-owned, but its public comps include Samsung, Eli Lilly, Johnson & Johnson, AbbVie, Merck, Roche, Novartis, AstraZeneca, Thermo Fisher Scientific and Siemens.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Samsung$243B$67B4.4x2.4x15.8x4.4x
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

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Common questions about Aro Biotherapeutics

When was Aro Biotherapeutics founded?Aro Biotherapeutics was founded in 2017.
Where is Aro Biotherapeutics headquartered?Aro Biotherapeutics is headquartered in Philadelphia, PA, United States.
Is Aro Biotherapeutics publicly listed?No, Aro Biotherapeutics is a private, VC-backed company.
How much funding has Aro Biotherapeutics raised?Aro Biotherapeutics has raised $167M across 4 funding rounds.
What was Aro Biotherapeutics' last funding round?Aro Biotherapeutics' last funding round was a $42M Series B in November 2023, led by Cowen Healthcare Investments.
Who are Aro Biotherapeutics' investors?Aro Biotherapeutics' investors include Cowen Healthcare Investments, Johnson & Johnson Innovation, Northpond Ventures, HealthCap, BioMotiv, Biotechnology Value Fund, Ionis Pharmaceuticals and Ridgeback Capital.
Which companies are comparable to Aro Biotherapeutics?Companies comparable to Aro Biotherapeutics include Johnson & Johnson, Roche, Biosplice Therapeutics, Biomat USA, ArsenalBio and BioRay Pharmaceuticals.

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