OmniAb, Inc. Common Stock (OABI)

SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH

OmniAb, Inc. Common Stock (OABI) is listed on Nasdaq, where it has traded since November 1, 2022.

Listed On
Nasdaq
Listed Since
November 1, 2022
Employees
89
Market Cap
$670M

About OmniAb, Inc. Common Stock

OmniAb Inc licenses discovery research technology to pharmaceutical and biotech companies and academic institutions to enable the discovery of next-generation therapeutics. Its technology platform creates and screens diverse antibody repertoires and is designed to quickly identify optimal antibodies and other target-binding proteins for its partners' drug development efforts. At the heart of the OmniAb platform is what it calls Biological Intelligence, which powers the immune systems of proprietary, engineered transgenic animals to create optimized antibody candidates for human therapeutics.

Institutional ownership

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. The largest reported holder was Whitefort Capital Management, with 10.2 million shares worth $25.2 million. Of the 5 largest holders listed below, 3 added shares and 2 reduced their positions during the quarter.

InstitutionSharesValueQuarter change
Whitefort Capital Management10,248,658$25MReduced 27.95%
BlackRock8,897,490$22MAdded 9.75%
Vanguard5,653,421$14MReduced 0.81%
Nomura Holdings5,028,160$12MAdded 613.17%
Cadian Capital Management4,211,821$10MAdded 1.32%

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is OABI?

OmniAb, Inc. Common Stock (OABI) is listed on Nasdaq, where it has traded since November 1, 2022.

Who are the largest institutional holders of OABI?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of OABI were Whitefort Capital Management, BlackRock and Vanguard.

How many institutions own OABI?

124 institutions reported a position in OABI for the quarter ended June 30, 2026, worth $144.1 million in total.

Did institutions buy or sell OABI last quarter?

Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for OABI.

Every reported institutional holder, plus insider and congressional trades in OABI, on SentiSense.