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RayThera, Inc. raised $110 million in Series A financing. The funding will advance their preclinical immunology pipeline and was co-led by Foresite Capital and OrbiMed Advisors.

PRIVATEApr 04, 2025

Amount Raised

$110 Million

Round Type

Series A

San DiegoBiotechnologyPharmaceutical

Investors

Foresite CapitalOrbimed AdvisorsTTM Capital

Description

RayThera, Inc., a recently founded biotechnology company focused on small molecule therapies in immunology, has completed its Series A financing with a total of $110 million raised. The financing was co-led by Foresite Capital and OrbiMed Advisors, with participation from TTM Capital. Proceeds will be used to advance RayThera’s lead drug candidates through Phase 1 clinical studies. The strong support from investors is instrumental for the company’s growth.

Quick answer

RayThera raised $110 Million in a Series A round, dated April 4, 2025. Investors: Foresite Capital, Orbimed Advisors and TTM Capital. RayThera is based in San Diego, California, United States.

How much did RayThera raise?
RayThera raised $110 Million in a Series A round on April 4, 2025.
Who invested in RayThera?
Foresite Capital, Orbimed Advisors and TTM Capital are named as investors in this round.
What does RayThera do?
RayThera, Inc. is a small molecule drug discovery company focused on building an immunology pipeline.
Where is RayThera based and how big is it?
RayThera is based in San Diego, California, United States. Fundz records about 7 employees.
Who are the decision-makers at RayThera?
Fundz holds 1 contact at RayThera. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Pharmaceutical and Biotechnology around the same time

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

  • Persist AI raised $12M (Series A) on May 19, 2025.
  • Strategikon Pharma raised $2.3M (Seed) on May 8, 2025.
  • i'SUPPLY raised $3M (Seed) on May 6, 2025.
  • Paradigm Therapeutics raised $13M (Funding Round) on May 6, 2025.
  • Ousia Pharma raised an undisclosed amount (Seed) on May 6, 2025.
  • Azora Therapeutics, Inc. (DE) raised $4.8M on May 2, 2025.

Who to call at RayThera, and when

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

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Company Information

Company

RayThera

Location

San Diego, California, United States

About

RayThera, Inc. is a small molecule drug discovery company focused on building an immunology pipeline. The company is led by a team of highly skilled drug hunters with extensive experience in the biotech and pharma industries. Their aim is to discover and develop small molecule therapies in immunology. RayThera is dedicated to advancing its lead drug candidates through clinical studies.

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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

RayThera 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.