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1ST Biotherapeutics raises $7.6M in follow-on funding led by SK Biopharmaceuticals and Murex Partners to advance cancer drug trials.

PRIVATENov 03, 2026

Amount Raised

$7.6 Million

Round Type

Venture

BiotechnologyTherapeuticsPharmaceuticalBiopharma

Investors

Murex PartnersSK Biopharmaceuticals

Description

1ST Biotherapeutics closed a $7.6 million follow-on funding round, bringing cumulative funding to approximately $89 million. The round was led by strategic investor SK Biopharmaceuticals and includes participation from Murex Partners. The capital will support clinical development of FB849, an HPK1 inhibitor currently in Phase 1/2 trials, and research on follow-on pipeline candidates. The company plans to initiate a Phase 2 combination trial with Merck's Keytruda in Q1 2027 and is targeting an IPO in 2027.

Quick answer

1ST Biotherapeutics raised $7.6 Million in a funding round, dated September 1, 2026. Investors: Murex Partners and SK Biopharmaceuticals.

How much did 1ST Biotherapeutics raise?
1ST Biotherapeutics raised $7.6 Million in a funding round on September 1, 2026.
Who invested in 1ST Biotherapeutics?
Murex Partners and SK Biopharmaceuticals are named as investors in this round.
What does 1ST Biotherapeutics do?
1ST Biotherapeutics is a biopharmaceutical company developing cancer immunotherapy treatments, with a lead pipeline asset FB849, an HPK1 inhibitor currently in Phase 1/2 trials.
Where is 1ST Biotherapeutics based and how big is it?
Fundz records about 11 employees.
Who are the decision-makers at 1ST Biotherapeutics?
Fundz holds 2 contacts at 1ST Biotherapeutics, including the Director. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Therapeutics and Pharmaceutical around the same time

Companies in the same sectors as 1ST Biotherapeutics that raised within 45 days of this round, from Fundz verified event records.

  • Acta Pharmaceuticals raised $24M (Seed) on October 15, 2026.
  • Os Therapies raised $7.2M on October 15, 2026.
  • Ensho Therapeutics raised $7.3M on October 2, 2026.
  • Breye Therapeutics raised $77M (Series A) on September 29, 2026.
  • Orvida Pharma raised an undisclosed amount on September 15, 2026.
  • Clene Nanomedicine raised $4M (Post-IPO Equity) on September 15, 2026.

Who to call at 1ST Biotherapeutics, and when

A new round usually means 1ST Biotherapeutics is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day 1ST Biotherapeutics raises, hires an executive or expands, scored against what you sell
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Company Information

Company

1ST Biotherapeutics

About

1ST Biotherapeutics is a biopharmaceutical company developing cancer immunotherapy treatments, with a lead pipeline asset FB849, an HPK1 inhibitor currently in Phase 1/2 trials. The company is advancing clinical development of its candidates through combination trials with approved immuno-oncology drugs and has secured strategic partnerships including a technology transfer agreement with SK Biopharmaceuticals for its Parkinson's disease drug candidate. 1ST Biotherapeutics plans to pursue an IPO in 2027 while focusing on clinical development and commercialization opportunities.

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Related People

2 contacts
Verified contactsYehwan C., Director hiddenSee plans and pricing
Predictive Intelligence
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1ST Biotherapeutics 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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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.