Fundz

Callio Therapeutics raised $187M in a Series A funding round led by Frazier Life Sciences to expand operations and development efforts.

PRIVATEMar 03, 2025

Amount Raised

$187 Million

Round Type

Series A

SeattleBiotechnologyHealth CareTherapeutics

Investors

EdbiNorwest Venture PartnersClavystBioJeito CapitalNovo Holdings A/SOmega FundsPlatanusPureos BioventuresSeeds CapitalFrazier Life Sciences

Description

Callio Therapeutics, a biotechnology company focused on developing multi-payload antibody-drug conjugates for cancer therapy, raised $187M in Series A funding. The funds will be used to expand operations and development efforts.

Quick answer

Callio Therapeutics raised $187 Million in a Series A round, dated March 3, 2025. Investors: Edbi, Norwest Venture Partners, ClavystBio, Jeito Capital, Novo Holdings A/S, Omega Funds, Platanus and Pureos Bioventures. Callio Therapeutics is based in Seattle, Washington, United States.

How much did Callio Therapeutics raise?
Callio Therapeutics raised $187 Million in a Series A round on March 3, 2025.
Who invested in Callio Therapeutics?
Edbi, Norwest Venture Partners, ClavystBio, Jeito Capital, Novo Holdings A/S, Omega Funds, Platanus and Pureos Bioventures are named as investors in this round.
What does Callio Therapeutics do?
Callio Therapeutics is a biotechnology company focused on realizing the promise of multi-payload antibody-drug conjugates (ADC) to enhance cancer therapy.
Where is Callio Therapeutics based and how big is it?
Callio Therapeutics is based in Seattle, Washington, United States. Fundz records about 23 employees.
Who are the decision-makers at Callio Therapeutics?
Fundz holds 1 contact at Callio Therapeutics. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Therapeutics and Biotechnology around the same time

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

  • Pathos AI raised $283M on April 17, 2025.
  • Lobe Sciences raised $6M (Series A) on April 14, 2025.
  • Decoy Therapeutics raised $1.2M (Seed) on April 11, 2025.
  • OncoNano Medicine raised $13M on April 11, 2025.
  • Merida Therapeutics raised $121M (Series A) on April 8, 2025.
  • Accure Therapeutics S.L raised $1.6M (Seed) on April 7, 2025.

Who to call at Callio Therapeutics, and when

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

  • An alert the day Callio Therapeutics raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Callio Therapeutics, from your own LinkedIn network

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Company Information

Company

Callio Therapeutics

Location

Seattle, Washington, United States

About

Callio Therapeutics is a biotechnology company focused on realizing the promise of multi-payload antibody-drug conjugates (ADC) to enhance cancer therapy. The company is developing next-generation multi-payload ADCs with differentiated linking and payload technologies to enable targeted administration of multiple agents to tumor cells to maximize therapeutic benefit.

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Callio Therapeutics 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.