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Sift Biosciences

San Carlos, US · Founded 2023 · 7 known investors

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Sift Biosciences develops T-cell immunotherapies for cancer and autoimmune diseases, using an AI-driven discovery platform combined with metagenomics and high-throughput cellular screening to identify microbially derived molecules that activate memory T cells. Its SIFT platform supports pipelines in oncology and autoimmunity, with the latter partnered with a large pharmaceutical company.

AI & Machine LearningBiotechHealthtech

Founders & leadership

Sift Biosciences was founded in 2023 by Yue Clare Lou.

YCYue Clare Lou
Yue Clare LouCo-Founder & CEO30 Under 30 2025

Board

KBKevin Barrett
Kevin BarrettBoard directorManaging Partner at FREEFLOW
AM
Altar MunisBoard director

Investors · 7

SBI Holdings✓ confirmed by Sift BiosciencesTokyo

How we know: the company's own site · funding news · prnewswire.com · Not right? Tell us

Fifty Yearslisted by Fifty YearsSan Francisco · $250K – $2M

How we know: Fifty Years's portfolio page · Not right? Tell us

FREEFLOWlisted by FREEFLOWBerkeley
Lifespan Vision Ventureslisted by Lifespan Vision VenturesNorwalk

How we know: Lifespan Vision Ventures's portfolio page · Not right? Tell us

Also in the syndicate · 2

Freeflow VenturesleadValuence Ventures

Reported raises · per SEC filings

Form D private placements

$3.8M disclosed across 1 round · 2025

▶$3.8MraisedDec 2025 · 15 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Kevin BarrettDirector
  • Altar MunisDirector
  • Yue LouExecutive Officer, Director
Offering amount
$3.8M
Amount sold
$3.8M
First sale
Nov 2025
Incorporated
Corporation, Delaware, 2023
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

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Faeth TherapeuticsFaeth Therapeutics is a clinical-stage oncology company developing therapies that inhibit multiple nodes of the PI3K/AKT/mTOR (PAM) pathway. Its lead candidate, PIKTOR, is an all-oral combination targeting PI3K-alpha, mTORC1, and mTORC2 for cancers including endometrial and HR+/HER2- breast cancer.

Companies working in the same space as Sift Biosciences.

In the news

Sift Biosciences Announces Oversubscribed $3.7M Pre-seed Financing to Advance Next-generation T-cell Immunotherapy Platform - BioSpacebiospace.com · Feb 2026Sift Biosciences Raises $3.7M in Pre-Seed Fundingfinsmes.com · Feb 2026

Frequently asked questions

What does Sift Biosciences do?
Sift Biosciences develops T-cell immunotherapies for cancer and autoimmune diseases, using an AI-driven discovery platform combined with metagenomics and high-throughput cellular screening to identify microbially derived molecules that activate memory T cells. Its SIFT platform supports pipelines in oncology and autoimmunity, with the latter partnered with a large pharmaceutical company.
Who founded Sift Biosciences?
Sift Biosciences was founded by Yue Clare Lou in 2023.
Who are Sift Biosciences's investors?
Sift Biosciences's investors include Eisai Innovation, Inc., SBI Holdings, Fifty Years, FREEFLOW, Lifespan Vision Ventures.
How much funding has Sift Biosciences raised?
Sift Biosciences has disclosed $3.8M raised across 1 round.
Where is Sift Biosciences headquartered?
Sift Biosciences is headquartered in San Carlos, US.