/Investor DB

JStar Capital Investments — Full Portfolio

7 tracked investments · listed companies and verified rows first

Adhere Plusadhereplus.comFeb 2026

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 Medicaleggmedical.comin𝕏

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

Emblokemblok.cominMay 2026

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)

OsteoCentricosteocentric.comin

Osteocentric develops orthopedic implant systems for bone fixation, including fasteners, plates, and surgical instruments that use UnifiMI mechanical integration technology.

BiotechHardwareHealthtechMedical DevicesAustin, US

Significosignifico.comin𝕏

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

Sonavexsonavex.comin𝕏Oct 2024

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

Zetagenzetagen.com

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)

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.