As of September 2019, 62.98% is owned by Indian Promoters and 37.02% by Public.
Institutional holds 24.24% (Foreign Portfolio Investors 8.24%, Financial Institutions 0.80%, Insurance Companies 10.32% and Mutual Funds 4.88%) and Non-Institutional holds 12.78% as Public shareholders.
Top Promoter holding highest number of shares of ONGC company is President Of India (79226.01 lakhs shares / 62.98%).