PTX Capital
Venture capitalActively deployingBaltimore
Also known as PTX CAPITAL LLC
Fund manager profile
PTX Capital is a venture fund manager based in Baltimore. SEC filings show 2 venture funds on record, most recently PTX Capital Fund III LP filed June 2026.
Source: SEC EDGAR Form D filings. Firm website data not yet available.
What they invest in
from 2 of 2 portfolio companiesHealthtech ×2AI & Machine Learning ×1Biotech ×1Deep Tech ×1Digital Health ×1
HQs:United States×2
Investments · 2 tracked
founders shown can be your intro pathBy year:2025 · 12023 · 12 dated
Infinity Bio provides immune system analysis through its proprietary MIPSA antibody reactome profiling platform, which identifies the targets of individual immune responses against human viruses, human proteins (autoimmunity), and allergen proteins.
BiotechDeep TechHealthtechBaltimore, US
Benjamin Larman(Executive Officer, Director)inJoy M Nassif(Executive Officer, Director)Joy Nassif(Executive Officer, Director)
BoardHerman Scholtz(Director)inCaroline Popper(Director)in
Board seatMatthew Hellauer· per SEC Form D · $7M raise · filed Aug 2025
Co-investorsIllumina VenturesTCP Venture Capital
Pair Team develops an AI-enabled care coordination platform that connects people with healthcare providers and programs to deliver proactive, personalized care.
AI & Machine LearningDigital HealthHealthtechSan Francisco, US
Neil Batlivala(Founder)inCassie Choi(Founder)inCassandra Choi(Executive Officer, Director)
BoardJulian Eison(Director)in
Co-investorsCREATE HEALTH VENTURESHeadwater VenturesKapor CapitalNext VenturesNTT Venture CapitalNVP Capital+7 more
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Portfolio news
latest coverage across their companiesFrequently asked questions
- Where is PTX Capital located?
- PTX Capital is headquartered in Baltimore, US.
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