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Crafting Companies for Life-Saving Impact

Investing in World-Class Entrepreneurs Complemented by Community

At Westlake BioPartners, we’re committed to empowering the founders and their companies that are discovering and developing the most promising new medicines. Building on these trusted personal relationships, we provide our concentrated portfolio with equal and essential access to innovation, capital, and community. From preclinical research through to clinical and commercial impact for the treatment of patients, we’re proud to guide and work alongside our world-class entrepreneurs on their path to success.

Our Portfolio:

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Status:
Private
Website:
https://3tbiosciences.com/

3T Biosciences

An immunotherapy company developing next-generation, transformative therapies for broad patient populations.

Status:
Private
Website:
https://3tbiosciences.com/
Status:
Public
Website:
https://www.acelyrin.com/

Acelyrin

A late-stage clinical biopharma company focused on providing life-changing new treatment options for patients.

Status:
Public
Website:
https://www.acelyrin.com/
Status:
Private
Website:
https://arsenalbio.com/

Arsenal

A clinical stage programmable cell therapy company focused on the realization of solid tumor cell therapy to defeat cancer.

Status:
Private
Website:
https://arsenalbio.com/
Borealis Biosciences Logo
Status:
Private
Website:
https://www.borealisbio.com/
Borealis Biosciences Logo

Borealis Biosciences

A next-generation RNA medicines company that is advancing a novel platform to enable precision targeting of RNA therapeutics for a variety of kidney diseases.

Status:
Private
Website:
https://www.borealisbio.com/
Status:
Private
Website:
https://capsida.com/

Capsida

Engineering novel AAVs and developing the next generation of gene therapies.

Status:
Private
Website:
https://capsida.com/
Status:
Private
Website:
https://electra-therapeutics.com/

Electra

A clinical stage biotechnology company developing therapies that target signal regulatory proteins (SIRP) for the treatment of immunological diseases and cancer.

Status:
Private
Website:
https://electra-therapeutics.com/
Status:
Private
Website:
https://www.expansionrx.com/

Expansion

A drug discovery and development company pursuing the vast potential of small molecule medicines for RNA-mediated diseases.

Status:
Private
Website:
https://www.expansionrx.com/
Status:
Acquired
Website:
https://www.katetherapeutics.com/

Kate

A patient-focused biotechnology company developing adeno-associated virus (AAV)-based gene therapies to treat genetically defined muscle and heart diseases.

Status:
Acquired
Website:
https://www.katetherapeutics.com/
Status:
Public
Website:
https://kyvernatx.com/

Kyverna

A patient-centered, clinical-stage biopharmaceutical company focused on developing cell therapies for patients suffering from autoimmune diseases.

Status:
Public
Website:
https://kyvernatx.com/

*At any given time, Westlake has several stealth companies that are on the cusp of launching that are not listed here yet.

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