Inhibrx Biosciences, Inc. (INBX) Stock

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7 of the hedge funds AlphaScala tracks reported INBX in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Viking Global Investors's at $106.49M. Company insiders reported 20 open-market buys and 5 sales on SEC Form 4 in the 90 days to Oct 21, 2026.

Which hedge funds own INBX?

From 13F filings
FundShares HeldPosition ValueChange vs prior Q
Viking Global Investors
Andreas Halvorsen
1.12M$106.49M-22%
Millennium Management
Israel Englander
147K$13.95M-55%
Renaissance Technologies
Jim Simons (founder)
62K$5.89M+24%
Hussman Investment Trust
John Hussman
32K$2.98MNEW
Point72
Steve Cohen
26K$2.46MNEW
D.E. Shaw
David Shaw
22K$2.12M-71%
Marshall Wace9K$833.8K-58%

13F holdings as of Jun 30, 2026

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Are Inhibrx Biosciences, Inc. insiders buying or selling?

SEC Form 4 filings
90 days to Oct 21, 2026
Buys
20
Sells
5
Net $
+$6.1M
Unique insiders
4
DateInsiderRoleTypeSharesValue
Oct 14, 26Lappe MarkChief Executive OfficerBUY2.5K$208K
Oct 14, 26Lappe MarkChief Executive OfficerBUY2.5K$210K
Oct 14, 26Lappe MarkChief Executive OfficerBUY100$9K
Oct 14, 26Lappe MarkChief Executive OfficerBUY2.4K$206K
Oct 14, 26Lappe MarkChief Executive OfficerBUY2.5K$208K
Oct 14, 26Lappe MarkChief Executive OfficerBUY100$9K
Sep 28, 26Lappe MarkChief Executive OfficerBUY1.5K$148K
Sep 28, 26Lappe MarkChief Executive OfficerBUY3.0K$305K
Sep 25, 26Lappe MarkChief Executive OfficerBUY3.3K$329K
Sep 25, 26Lappe MarkChief Executive OfficerBUY2.2K$217K

SEC Form 4 filings as of Oct 21, 2026

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What does Inhibrx Biosciences, Inc. do?

Inhibrx Inc. is a biotechnology company that focuses on developing monoclonal antibodies used for treating a range of life-threatening diseases. The company’s primary objective is to innovate targeted therapies that can address significant unmet medical needs in the areas of oncology, rare diseases, and autoimmune conditions. Notably, Inhibrx leverages its proprietary single-domain antibody technology platform to engineer highly differentiated biological therapies. By concentrating on precision medicine, the firm's approach aims to deliver more effective solutions with the potential for enhanced patient outcomes as compared to traditional treatments. Operating in the burgeoning biotechnology sector, Inhibrx contributes to the advancement of medical research and the development of targeted therapies. The company's role in the financial market encompasses that of a high-growth potential entity, attracting interest from investors focused on cutting-edge healthcare innovations and the broader biotechnology industry developments.

CEO
Mr. Mark Paul Lappe
Employees
109
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