Inhibrx Biosciences, Inc.
INBX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0002007919
In the last 90 days, Inhibrx Biosciences, Inc. insiders filed 6 open-market purchases and 2 sales; 162 institutions reported holding it in 13F filings for Q2 2026, worth $1.36B in total; Viking Global Investors is the only superinvestor holding it.
13F holders, Q1 2023
Institutional positions in Inhibrx Biosciences, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 108
- −8 vs. Q4 2022
- Shares held
- 36.7M
- +707.2K (+2.0%) vs. Q4 2022
- Total value
- $691.6M
- −$194.4M (−21.9%) vs. Q4 2022
- New holders
- 15
- 37 more added
- Sold out
- 23
- 34 more reduced
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting INBX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 162 | $1.36B |
| Q1 2026 | 135 | $854.6M |
| Q4 2025 | 138 | $1.01B |
| Q3 2025 | 102 | $353.6M |
| Q2 2025 | 89 | $148.9M |
| Q1 2025 | 92 | $151.0M |
| Q4 2024 | 101 | $171.9M |
| Q3 2024 | 96 | $139.3M |
| Q2 2024 | 88 | $137.9M |
| Q1 2024 | 126 | $1.34B |
| Q4 2023 | 126 | $1.54B |
| Q3 2023 | 111 | $716.1M |
| Q2 2023 | 107 | $935.2M |
| Q1 2023 | 108 | $691.6M |
| Q4 2022 | 116 | $886.0M |
| Q3 2022 | 102 | $512.2M |
| Q2 2022 | 100 | $297.3M |
| Q1 2022 | 99 | $548.0M |
| Q4 2021 | 101 | $1.01B |
| Q3 2021 | 66 | $681.6M |
| Q2 2021 | 61 | $538.8M |
| Q1 2021 | 55 | $326.3M |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 1,609,027 | $30.4M | 0.00% | −81,608−4.8% | Reduced |
| Capital Research Global Investors | 1,751,913 | $33.1M | 0.01% | +1,751,913 | New |
| Vanguard Group Inc | 1,775,281 | $33.5M | 0.00% | +14,908+0.8% | Added |
| State Street Corp | 2,075,990 | $39.2M | 0.00% | −430,998−17.2% | Reduced |
| BlackRock Inc. | 2,332,925 | $44.0M | 0.00% | −83,263−3.4% | Reduced |
| Perceptive Advisors LLC | 3,615,383 | $68.2M | 2.02% | +301,600+9.1% | Added |
| Ra Capital Management, L.P. | 3,853,867 | $72.7M | 1.65% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 6,639,199 | $125.3M | 0.59% | 00.0% | Unchanged |
| Tybourne Capital Management (HK) Ltd | 0 | $0 | 0.00% | −95,658−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −93,575−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −44,524−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −44,074−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −43,560−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −31,480−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −30,240−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −27,205−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −25,458−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −19,068−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −17,638−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| Endurant Capital Management LP | 0 | $0 | 0.00% | −13,485−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −11,344−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −10,315−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −9,950−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −9,578−100.0% | Sold out |
| Kula Investments, LLC | 0 | $0 | 0.00% | −9,484−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −8,207−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −465−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −199−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −74−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |