Sector portfolio · VC firm · United States
Quaker Partners' Biotech portfolio
Quaker Partners has backed 10 Biotech startups in rounds we track, $707M between them, shown by the stage each has reached. The best-funded is Regado Biosciences.
Funding by segment
- Series B$277M4
- Stage not reported$97M2
- Series C and later$287M2
- Series A$47M2
Where they are based
- United States10$707M
United StatesFounded
1 without a founding year on record.
Total raised
- Under $1M0
- $1M to $10M2
- $10M to $50M3
- $50M to $250M5
- $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.
9 of 10 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 States10
Startups by country, 1 country in all.
Segment by segment
Series B
4 startups · $277M raised
Tarsa TherapeuticsTarsa Therapeutics develops an oral formulation of calcitonin for the treatment and prevention of postmenopausal osteoporosis.United States$121M- IVIntact VascularIntact Vascular is a medical device company developing minimally-invasive peripheral vascular products.United States$105M
- NNucleonicsNucleonics is a biotechnology company focused on RNA interference-based therapeutics.United States$49M
- SStageMarkStageMark develops and markets inflammatory diseases identification and monitoring solutions.United States$1.9M
Stage not reported
2 startups · $97M raised
- RMRapid MicroUnited States$60M
Vesper MedicalVesper Medical is committed to developing safe, efficacious and easy-to-use products for patients.United States$37M
Series C and later
2 startups · $287M raised
- RBRegado BiosciencesRegado Biosciences develops antithrombotic drug systems for acute and sub-acute cardiovascular and other indications.United States$177M
NeuroneticsNeuronetics is a medical device company that develops non-invasive therapies for psychiatric and neurological disorders.United States$110M
Series A
2 startups · $47M raised
OptherionOptherion, Inc., a biotechnology company, develops diagnostic and disease-modifying therapeutics for the management and treatment United States$42M
BioLeapBioleap is a biotechnology company that uses a modeling approach to develop the next generation of biologics using an AI model.United States$5.0M
How this map is made. Every startup here works in Biotech and has raised money in a round we track that names Quaker Partners as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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