QLSF Biotherapeutics, Inc.
An innovative immuno-oncology startup focused on tumor biology driven therapeutic strategies in oncology.
health AI/biotechimmuno-oncology
StageSeries A
Raised$50M
Employees11
LocationSouth San Francisco, CA
Business modelB2B
About
QLSF Biotherapeutics is an immuno-oncology company in South San Francisco developing antibody-based therapeutics for cancer treatment. The company designs candidates targeting adaptive and innate immunity across a diversified oncology portfolio, including bispecific antibodies and T cell engagers in Phase 1 and preclinical stages. QLSF works with pharmaceutical partners and biotech collaborators on its research and development programs.
Product
- Value proposition
- Developing immuno-oncology therapies with dual modulation of adaptive and innate immune systems to achieve broad anti-tumor activity.
- Target customers
- pharmaceutical partners, biotech collaborators, potential licensees
- Regulatory
- IND-enabling for QL535 TECOS; Preclinical for QL555 TECOS and QL615 TECAD
Founders
- Hieu Van Tran — Co-Founder
- Shihao Chen — CEO, Co-Founder
Categories
BiotechnologyImmuno-oncologyBiopharmaceuticals
Products
QLS series candidates (e.g., QL535 TECOS, QL555 TECOS, QL615 TECAD, QL425 T cell)
Key features
Tumor biology driven target selectionCandidates designed to engage adaptive and innate immunityIND-enabling and preclinical programsdiversified oncology portfolio
Technologies
TECOSTECADTEADTECOS platformTCE platform (tumor cell engagement)immuno-oncology modalities
Target conditions
canceroncologytumor types in oncology
Care settings
biotech labresearch and developmentclinical development (preclinical/IND-enabling)
Traction metrics
IND-Enabling
Competitors
other immuno-oncology startupsbiotech companies in oncology space
Investors
QLSF Management
News
- Shihao Chen - 8th T-Cell Engager Therapeutics Summit 2026 · 2026-03-31T11:30:21.000Z
- Shenda Gu · 2026-06-15T16:28:37.000Z
- Qin Li · 2026-07-04T17:39:42.000Z
- AiPAT 2025 speaker lineup announced: leaders in AI-driven ... · 2025-09-10T00:00:00.000Z
- List of Immuno-Oncology Companies in California - BiopharmIQ · 2025-06-10T00:00:00.000Z
- Hari-Hara P. - Principal Scientist | LinkedIn · 2026-07-07T20:06:06.477Z
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Profile updated Jul 29, 2026. Sources: qlsfbio.com
