As of December 2025, 73.47% is owned by Indian Promoters and 26.53% by Public.

Institutional holds 8.66% (Insurance Companies 4.41%) and Non-Institutional holds 17.78% as Public shareholders.

Top four Promoters holding highest number of shares of Dredging Corpora company are Visakhapatnam Port Trust (54.52 lakhs shares / 19.47%), Paradip Port Trust (50.40 lakhs shares / 18.00%), Jawaharlal Nehru Port Authority (50.40 lakhs shares / 18.00%) and Deendayal Port Authority (50.40 lakhs shares / 18.00%).