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KymaThera secures $80 million in Series B financing led by Alta Partners to advance its K-1728 inhibitor for cancer treatment. This round includes participation from Venrock, Foresite Capital, and J. Wood Capital.

PRIVATEOct 06, 2026

Amount Raised

$80 Million

Round Type

Series B

San DiegoBiotechnologyHealth CareTherapeutics

Investors

J. Wood CapitalForesite CapitalVenrockAlta Partners

Description

KymaThera has announced the closing of an $80 million Series B financing round. The funding will support the advancement of K-1728, a pan-mutant selective PI3Kα inhibitor. This financing follows a successful Series A round and aims to initiate Phase 1 patient dosing in late 2026. The funds will primarily be used for the development of treatments for breast cancer and vascular malformations.

Company Information

Company

KymaThera

Location

San Diego, California, United States

About

KymaThera is a biotechnology company developing next-generation precision medicines for genetically defined diseases. It focuses on creating targeted therapies to address substantial unmet needs in conditions such as cancer and vascular malformations. The company's lead product, K-1728, is an investigational oral pan-mutant selective PI3Kα inhibitor aimed at addressing the limitations of existing treatments. With the goal of advancing innovative treatments, KymaThera's approach emphasizes rigorous scientific methods and experienced leadership.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

KymaThera raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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