JStar Capital Investments
Venture capitalActively deployingAustin · Seed–Late Stage · 13 people tracked
Also known as JSTAR FUND MANAGERS, LLC · JSTAR HORIZON GP II, LLC
Investment thesis
JSTAR Capital Investments backs pioneering med-tech and healthcare companies whose breakthrough technologies and treatments can redefine medicine. Every investment is patient-centered, prioritizing solutions that deliver measurable improvements in health outcomes and address pressing global healthcare challenges. Focus areas include technologies that safeguard patients during complex cardiovascular procedures and reduce stroke/embolic risk, platforms modernizing healthcare delivery through imaging, surgical navigation, monitoring and workflow optimization, advancements improving implant performance and musculoskeletal restoration across trauma, spine and joint reconstruction, and breakthrough therapeutics and biologic delivery systems. The firm emphasizes sustainable, enduring value for investors and the broader healthcare ecosystem.
Source: firm website, verified Aug 25, 2026.
Team · 13 people
from the firm's website
What they invest in
from 7 of 8 portfolio companiesHealthtech ×7Medical Devices ×5Biotech ×3Digital Health ×3Hardware ×3SaaS ×2
HQs:United States×5
Investments · 8 tracked
founders shown can be your intro pathAdhere+ is a Remote Therapeutic Monitoring (RTM) platform with an AARC framework that automates audit-ready documentation for regulatory compliance and provides physician-designed care protocols.
Digital HealthHealthtechSaaSWashington, US
Peter Pitts(Director)James Breidenstein(Executive Officer, Director)Dan Cohen(Executive Officer, Director)Scott Sigman MD(Director)John Stineman(Director)
Egg Medical develops the EggNest, a scatter radiation shielding system designed to reduce radiation exposure for interventional fluoroscopy teams during cardiac catheterization and endovascular procedures.
HardwareHealthtechMedical DevicesArden Hills, US
Robert F. Wilson(Founder & Chief Executive Officer)inJohn Gainor(Co-founder & Chief Technology Officer)inScott Youngstrom(Chief Financial Officer)inGavin Philipps(Chief Commercial Officer)in
BoardMarc Riviere(Director)Luc Marengere(Director)
Co-investorsTVM CapitalTVM Capital Life Science
Emblok develops the Emblok 360° whole body embolic protection system, a medical device used during left heart procedures such as TAVR to block and capture emboli and debris.
BiotechHardwareHealthtechMedical DevicesTampa, US
Bradley Brown(Executive Officer)Charles Tribie(EVP, Manufacturing)
BoardAlan J. Simonian(Director)William M. Merhi(Director)
OsteoCentric Technologies develops UnifiMI, a patented implant-to-bone interface and thread-form design intended to preserve bone architecture during implant insertion and provide immediate primary stability.
HardwareHealthtechMedical Devices
Co-investorsAirTree VenturesAmboy Street VenturesBIOSPRING PARTNERSBonfire VenturesCollide CapitalCongruent Ventures+13 more
Sonavex develops medical device technologies focused on vascular access and related clinical applications, drawing on ultrasound-based imaging and monitoring products.
BiotechDigital HealthHealthtechMedical DevicesBaltimore, US
David Narrow(Executive Officer, Director)Devin O'Brien-Coon(Co-Founder & Chairman)Jerry L. Prince(Co-Founder)John Rappe(Executive Officer)Jerry Prince(Director)Alex Yevzlin(Executive Officer)
Co-investorsFusionKeiretsu ForumMaryland TEDCORembrandt Venture PartnersRiptide VenturesTEDCO+2 more
Zetagen develops molecular therapies, including its ZetaMet (Zeta-BC-003) drug, that aim to suspend cancer, inhibit pain, and regenerate bone in patients with metastatic and primary bone cancers.
BiotechHealthtechMedical DevicesSyracuse, US
Joe C Loy(Executive Officer, Director)Peter B. Finn(Executive Officer)Nikhil Thakur, MD(Executive Officer, Director)David Tischler(Executive Officer, Director)
BoardRichard Warburg(Director)Ashok Kaveeshwar(Director)
Portfolio news
latest coverage across their companiesSonavex · intelligence360.news · Aug 10, 2026
Emblok · intelligence360.news · Jul 20, 2026
Egg Medical · intelligence360.news · Jul 20, 2026
Zetagen · finsmes.com · Nov 26, 2025
Frequently asked questions
- How many investments has JStar Capital Investments made?
- JStar Capital Investments has 8 tracked investments, including 2 dated in the last 24 months.
- What stage does JStar Capital Investments invest at?
- JStar Capital Investments invests at the Seed, Series A, Series B, Series C, Late Stage stages.
- What sectors does JStar Capital Investments focus on?
- JStar Capital Investments focuses on Biotech, Digital Health, Healthtech, Medical Devices.
- Where is JStar Capital Investments located?
- JStar Capital Investments is headquartered in Austin, US.
- Who does JStar Capital Investments co-invest with?
- JStar Capital Investments most often shares deals with AirTree Ventures, Congruent Ventures, igniteXL Venture, among 27 tracked co-investors.
Images
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