/Investor DB

Impellent Ventures — 2026 Investments

4 investments dated 2026 · listed companies and verified rows first · show all

Ognomy Sleepognomy.comin𝕏May 2026

Ognomy Sleep is a virtual platform providing end-to-end sleep apnea diagnosis and treatment through licensed sleep medicine specialists.

Digital HealthHealthtechSaaSBuffalo, US

Daniel Rifkin(Founder & CEO)Greg Ross(Founder)inJune Seliber-Klein(Executive Officer)inPeter Grandits Jr.(Executive Officer, Director)inKen Rosenfeld(Executive Officer)in

BoardDavid Brown(Director)in

Co-investorsCatalyst InvestorsLaunch NYBlue Heron CapitalExcell Partners

Prophet Exchangeprophetexchange.comJul 2026

ProphetX operates a sports prediction market where participants trade event contracts on outcomes across major leagues such as MLB, NBA, NFL, NHL, soccer, tennis, and golf.

FintechMarketplacesSports Tech

Co-investorsChaos VenturesGFR FundChicago Trading CompanyConnexa CapitalData Point CapitalEmatiq+2 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Famous LabsGander Robotics

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.