OmniAb, Inc. Common Stock (OABI) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for OABI. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 124 institutions reported holding OABI, with 58.8 million shares worth $144.1 million in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Whitefort Capital Management10,248,658$25MDECREASED
BlackRock8,897,490$22MINCREASED
Vanguard5,653,421$14MDECREASED
Nomura Holdings5,028,160$12MINCREASED
Cadian Capital Management4,211,821$10MINCREASED

Full institutional holdings, insider history, and congressional trades for OmniAb, Inc. Common Stock on SentiSense.