Accounting & Governance Risk Overview: Organovo Holdings Inc BY Audit Integrity Research — 2:00 AM ET 11/26/2018 Organovo Holdings Inc ( ONVO ) is currently rated as having Average Accounting & Governance Risk (AGR®), receiving an AGR score that places them in the 72nd percentile among all companies in North America rated by GMI, indicating higher accounting and governance risk than 28% of the other companies.