Inhibrx Biosciences, Inc. (INBX) Institutional Ownership & Insider Trading

163 institutions reported holding Inhibrx Biosciences, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 28 insider trades on Form 4 since 2025-10-01.

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

INBXInhibrx Biosciences, Inc.Follow INBX — free

Biotechnology · Healthcare

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Market cap: 1.4B
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 13 Nov, in 20 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

163 institutions held 97.4% of the shares. Across filers that reported both quarters, shares held changed +12.0%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	163	14	+12.0%	54	46	37	20
Mar 26	135	13	-0.7%	53	18	31	24
Dec 25	136	13	+19.4%	38	37	37	7
Sep 25	100	11	-0.8%	20	22	31	11
Jun 25	87	10	-3.6%	20	8	34	13
Mar 25	92	11	-2.5%	16	7	33	13
Dec 24	99	11	+7.4%	29	8	26	10
Sep 24	96	9	-11.0%	33	19	18	10

Inhibrx Biosciences, Inc. — questions

Who owns Inhibrx Biosciences, Inc. stock?: 163 institutions reported Inhibrx Biosciences, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: MORGAN STANLEY (8.9%), PERCEPTIVE ADVISORS LLC (8.8%), Sanofi (7.9%).
Are Inhibrx Biosciences, Inc. insiders buying or selling?: 28 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 Inhibrx Biosciences, 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.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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