OrsoBio Funding, Investors & Competitors

OrsoBio has raised $127M across 2 funding rounds, most recently a $67M Series B in September 2024.

Last OrsoBio funding round

$67M

Series B · Sep 2024

Cumulative funding OrsoBio raised

$127M

across 2 funding rounds

Key investors in OrsoBio

  • Eli Lilly
  • Samsara BioCapital
  • Longitude Capital
  • Enavate Sciences
  • NuevaBio
  • Woodline Partners
  • Ascenta Capital

OrsoBio Overview

About OrsoBio

OrsoBio is a clinical-stage biopharmaceutical company headquartered in Boston, Massachusetts. It develops therapies targeting severe metabolic disorders including rare lipodystrophies and familial chylomicronemia syndrome. OrsoBio's lead candidate OR5B3, a thyroid hormone receptor-beta agonist, entered Phase 2 trials in 2023 for homozygous familial hypercholesterolemia, addressing underlying energy homeostasis defects.


Founded

2021

HQ

United StatesSan Francisco, CA

Status

Privately held

Customer focus

B2B

Revenue model

Licensing

OrsoBio Funding History

OrsoBio has raised a total of $127M across 2 funding rounds.

OrsoBio's first fundraising round was a $60M Series A in November 2023. The most recent completed round was a $67M Series B in September 2024.

OrsoBio funding rounds

OrsoBio funding rounds
DateStageInvestorsRaisedDeal Summary
Sep 2024Series BAscenta Capital (lead); Woodline Partners (lead); NuevaBio; Eli Lilly; Enavate Sciences; Samsara BioCapital; Longitude Capital$67MOrsoBio, Inc. is a clinical-stage biopharmaceutical company headquartered in Menlo Park, California, founded in 2020, developing novel treatments for obesity and obesity-associated metabolic disorders. The company's portfolio focuses on mitochondrial protonophores, with lead programs including TLC-6740, TLC-1180, and TLC-1235 advancing toward later-stage clinical trials and IND-enabling studies. Additionally, OrsoBio is developing TLC-3595, an ACC2 inhibitor in Phase 2a for type 2 diabetes, and TLC-2716, an LXR inverse agonist in Phase 2a for severe hypertriglyceridemia and MASH. In September 2024, OrsoBio closed an oversubscribed $67 million Series B financing round co-led by Ascenta Capital and Woodline Partners LP, with significant participation from existing investors including Samsara Biocapital, Longitude Capital, Enavate Sciences, NuevaBio, and Eli Lilly and Company. Evan Rachlin, MD, Co-Founder and Managing Partner of Ascenta Capital, joined OrsoBio's Board of Directors in conjunction with the financing. The capital is designated to accelerate development of the company's mitochondrial protonophore portfolio for obesity and associated metabolic disorders, with CEO Mani Subramanian emphasizing the company's vision of protonophores as components of future GLP-1 RA-based combination therapies.
Nov 2023Series AEnavate Sciences (lead); Longitude Capital (lead); NuevaBio; Eli Lilly; Samsara BioCapital$60MOrsoBio, Inc. is a clinical-stage biopharmaceutical company developing oral small-molecule therapies targeting core pathways of energy metabolism to treat obesity and associated metabolic disorders, including type 2 diabetes, MASH, and severe hypertriglyceridemia. Its portfolio includes TLC-6740 (oral liver-targeted mitochondrial protonophore in Phase 1b for obesity), TLC-1180 and TLC-1235 (long-acting and controlled-release protonophores), TLC-3595 (ACC2 inhibitor in Phase 2a for type 2 diabetes), and TLC-2716 (LXR inverse agonist in Phase 2a for SHTG/NASH). On November 7, 2023, OrsoBio announced a $60 million Series A financing co-led by Longitude Capital and Enavate Sciences, with participation from existing investors Samsara BioCapital and NuevaBio, and new investor Eli Lilly and Company. This brought total capital raised to $97 million, following prior seed funding. The proceeds support advancement of its obesity-focused portfolio, including completing Phase 2a trials for LXR inverse agonist and ACC2 inhibitor, Phase 1b for mitochondrial protonophore, and IND-enabling activities for other programs. Matthew Young of Longitude Capital and Edd Fleming of Enavate Sciences joined the board. A later Series B round of $67M was raised around September 2024, co-led by Ascenta Capital and Woodline Partners, with participation from existing investors including those in the Series A. Aggregate funding reached approximately $166M by 2026. The company positions its therapies as complementary oral alternatives to injectable GLP-1 agonists like Ozempic, focusing on mitochondrial uncoupling and other metabolic targets. Peak sales estimates from analysts reach $5.5B for lead programs, though these are speculative.

Who has invested in OrsoBio?

7 investors have backed OrsoBio across its funding rounds, including Eli Lilly, Samsara BioCapital, Longitude Capital, Enavate Sciences, NuevaBio and Woodline Partners.

Lead investors include Ascenta Capital, Woodline Partners, Enavate Sciences and Longitude Capital.


OrsoBio Investors

Investors in OrsoBio by funding rounds participated
InvestorHQRoundsRoleFirst check
NuevaBioUnited StatesSan Francisco, CA2ParticipantNov 2023
Eli LillyUnited StatesIndianapolis, IN2ParticipantNov 2023
Enavate SciencesUnited StatesNew York City, NY2LeadNov 2023
Samsara BioCapitalUnited StatesSan Francisco, CA2ParticipantNov 2023
Longitude CapitalUnited StatesSan Francisco, CA2LeadNov 2023

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OrsoBio Competitors

OrsoBio 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 OrsoBio
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

OrsoBio Public Comps

OrsoBio 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 OrsoBio

When was OrsoBio founded?OrsoBio was founded in 2021.
Where is OrsoBio headquartered?OrsoBio is headquartered in San Francisco, CA, United States.
Is OrsoBio publicly listed?No, OrsoBio is a private, VC-backed company.
How much funding has OrsoBio raised?OrsoBio has raised $127M across 2 funding rounds.
What was OrsoBio's last funding round?OrsoBio's last funding round was a $67M Series B in September 2024, led by Ascenta Capital and Woodline Partners.
Who are OrsoBio's investors?OrsoBio's investors include NuevaBio, Eli Lilly, Enavate Sciences, Samsara BioCapital, Longitude Capital, Woodline Partners and Ascenta Capital.
Which companies are comparable to OrsoBio?Companies comparable to OrsoBio include Johnson & Johnson, Roche, Biosplice Therapeutics, Biomat USA, ArsenalBio and BioRay Pharmaceuticals.

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