Sector portfolio · Private equity · United States
Pioneer Fund's Biotech portfolio
Pioneer Fund has backed 19 Biotech startups in rounds we track, $239M between them, shown by the stage each has reached. The best-funded is Seer.
Funding by segment
- Pre-seed and seed$94M9
- Stage not reported$102M8
- Series B$43M2
Where they are based
- United States17$215M
- India1$5.5M
- United Kingdom1$18M
United States
India
United KingdomFounded
3 without a founding year on record.
Total raised
- Under $1M2
- $1M to $10M11
- $10M to $50M4
- $50M to $250M2
- $250M to $1B0
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
16 of 19 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States17
- India1
- United Kingdom1
Startups by country, 3 countries in all.
Segment by segment
Pre-seed and seed
9 startups · $94M raised
SeerSEER is a software company.United States$57M
ImmuneBridgeImmuneBridge is a biotechnology company based in San Francisco, founded in 2018.United States$13M
Digi-PrexHolistic Platform for Chronic Disease ManagementIndia$5.5M
Alga BiosciencesAlga Biosciences is a climate technology startup founded in 2021, based in San Francisco, California.United States$4.0M
AnthrogenAnthrogen is a biotechnology company and AI-research lab based in San Francisco, founded in 2024.United States$4.0M
Engage BioEngage Bio transforms cancer cells into factories for immunotherapies.United States$3.9M
dNovo BioAt dNovo we aim to solve the hair loss problem by making new hair stem cells with our direct reprogramming technology.United States$2.7M
Catena BiosciencesCatena Biosciences is a biotechnology company that offers protein conjugation, building biologic structures, and medical research.United States$2.4M
Stage not reported
8 startups · $102M raised
54gene54gene is a healthcare startup that offers a genetics testing platform.United States$50M
BactobioBactobio is a biotechnology company unlocking biodiversity for a greener and safer world.United Kingdom$18M
resistanceBioresistanceBio is a biotechnology company based in Menlo Park, California, focused on developing innovative therapies and diagnostiUnited States$13M
Caravel BioCaravel Bio is a biotechnology and synthetic biology company based in Portland, Oregon, founded in 2022.United States$9.0M
CB TherapeuticsCB Therapeutics is a biotechnology company based in Carlsbad, California, founded in 2015.United States$7.5M
Resvita BioResvita Bio develops and manufactures engineered probiotics for use in treatment if skin related diseases including cancer.United States$2.0M
Birch BiosciencesBirch Biosciences is an AI-native cleantech startup based in Portland, Oregon, founded in 2021.United States$1.6M
Kopra BioKopra Bio is a biotechnology company based in San Francisco, founded in 2024.United States$500K
Series B
2 startups · $43M raised
CurebaseCurebase is an AI-powered eClinical software platform that enhances clinical research through decentralized clinical trials (DCTs).United States$40M
Precipio DiagnosticsPrecipio Diagnostics is a cancer diagnostics reference laboratory delivering advanced diagnostics, advice and personalized medicine.United States$3.4M
How this map is made. Every startup here works in Biotech and has raised money in a round we track that names Pioneer Fund as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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