Primmune Therapeutics raises $8.6M in additional Series B funding, increasing the total Series B to $23.3M, backed by Bioqube Ventures, Oberland Capital, and Samsara Biocapital.
Amount Raised
$8.6 Million
Round Type
Series B
San DiegoBiotechnologyHealthcareInvestors
Description
Primmune Therapeutics, a Carlsbad, CA-based clinical-stage therapeutics company, raised $8.6M in additional Series B funding. The raise brought the total of Series B to $23.3M. The company intends to use the funds to initiate Study PRTX007-003, a Phase 2 neoadjuvant efficacy study for patients with Stage III resectable melanoma. For more information, please visit: www.primmunerx.com.
Quick answer
Primmune Therapeutics raised $8.6 Million in a Series B round, dated January 30, 2026. Investors: Samsara Biocapital, Oberland Capital and Bioqube Ventures. Primmune Therapeutics is based in San Diego, California, United States.
- How much did Primmune Therapeutics raise?
- Primmune Therapeutics raised $8.6 Million in a Series B round on January 30, 2026.
- Who invested in Primmune Therapeutics?
- Samsara Biocapital, Oberland Capital and Bioqube Ventures are named as investors in this round.
- What does Primmune Therapeutics do?
- Primmune Therapeutics is developing an orally administered TLR7 agonist to stimulate innate immunity in cancer immunotherapy.
- Where is Primmune Therapeutics based and how big is it?
- Primmune Therapeutics is based in San Diego, California, United States. Fundz records about 10 employees.
- Who are the decision-makers at Primmune Therapeutics?
- Fundz holds 1 contact at Primmune Therapeutics. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Healthcare and Biotechnology around the same time
Companies in the same sectors as Primmune Therapeutics that raised within 45 days of this round, from Fundz verified event records.
- Artelo Biosciences raised $113K on March 12, 2026.
- Monteris Medical raised $28M (Series E) on March 12, 2026.
- Artelo Biosciences raised $237K on March 12, 2026.
- Tenon Medical raised $4.3M on March 11, 2026.
- Os Therapies raised $2M on March 4, 2026.
- Singletto raised $100K on March 2, 2026.
Who to call at Primmune Therapeutics, and when
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- An alert the day Primmune Therapeutics raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Primmune Therapeutics, from your own LinkedIn network
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Funding Insights
What this usually meansPrimmune 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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