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OmniAb, Inc. (OABI) Institutional Ownership & Insider Trading

131 institutions reported holding OmniAb, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 14 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

OABIOmniAb, Inc.Follow OABI — free
Biotechnology · Healthcare
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Price chart with a free account
Market cap
677.5M
P/E TTM
—
Dividend yield
—
52-week
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Next earnings
30 Oct, in 6 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

131 institutions held 40.6% of the shares. Across filers that reported both quarters, shares held changed +5.5%.

Increased+54New+18Decreased-32Closed-12

Largest moves, shares (millions)

Nomura Holdings+4.3MBlackRock+0.8MMackenzie Financial+0.5MWhitefort Capital Management-4.0MDimensional Fund Advisors-0.5MCitadel Advisors-0.2M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
+0.8Sep 24-0.6Dec 24-0.1Mar 25-8.9Jun 25+8.5Sep 25-5.6Dec 25-1.2Mar 26+3.0Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 2613159+5.5%54183212
Mar 2612856-2.3%37173420
Dec 2512857-8.8%39143718
Sep 2513764+15.3%31104918
Jun 2514455-14.0%53242929
Mar 2515063-0.2%39114921
Dec 2416163-0.9%47124014
Sep 2416280+1.1%41173614

OmniAb, Inc. — questions

Who owns OmniAb, Inc. stock?
131 institutions reported OmniAb, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: Whitefort Capital Management, LP (7.0%), BlackRock, Inc. (6.1%), NOMURA HOLDINGS INC (3.5%).
Are OmniAb, Inc. insiders buying or selling?
14 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from OmniAb, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.