Fundraising Fox
JStar Capital Investments
Venture capitalActively deployingAustin · Seed–Series C · 13 people tracked
Also known as JSTAR Capital · JSTAR FUND MANAGERS, LLC · JSTAR HORIZON GP II, LLC
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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 Sep 29, 2026.
Team · 13 people
from the firm's website
What they invest in
from 7 of 7 portfolio companiesHealthtech ×7Medical Devices ×5Biotech ×4Digital Health ×3Hardware ×3SaaS ×2InsurTech ×1Wellness & Fitness ×1
HQs:United States×6
Investments · 7 tracked
founders shown can be your intro pathBy year:2026 · 22024 · 13 dated
Adhere+ 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)inCharles Tribie(EVP, Manufacturing)
BoardAlan J. Simonian(Director)William M. Merhi(Director)
Osteocentric develops orthopedic implant systems for bone fixation, including fasteners, plates, and surgical instruments that use UnifiMI mechanical integration technology.
BiotechHardwareHealthtechMedical DevicesAustin, US
Significo develops digital health products and custom technology solutions for insurers and large employers, as well as licensable SaaS offerings like a personalized health recommendation engine and apps for chronic condition management and employee wellness.
Digital HealthHealthtechInsurTechSaaSWellness & Fitness
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)inDevin O'Brien-Coon(Co-Founder & Chairman)inJerry L. Prince(Co-Founder)inJohn Rappe(Executive Officer)inAlex Yevzlin(Executive Officer)
BoardRobert Hallenbeck(Director)
Co-investorsFusionGaingelsKeiretsu ForumMaryland TEDCORembrandt Venture PartnersRiptide Ventures+3 more
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Zetagen is a biotechnology company focused on bone-related disease, developing small-molecule therapeutics and approaches targeting bone tumor progression, stem cell activity to promote bone formation, and cancers such as Ewing's sarcoma.
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 companiesZetagen · finsmes.com · Nov 26, 2025
Frequently asked questions
- How many investments has JStar Capital Investments made?
- JStar Capital Investments has 7 tracked investments, including 3 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 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 Fusion, Gaingels, Maryland TEDCO, among 10 tracked co-investors.
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