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 5 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, Q2 2025
Institutional positions in Inhibrx Biosciences, Inc. as of Jun 30, 2025. 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
- 89
- −3 vs. Q1 2025
- Shares held
- 10.4M
- −354.7K (−3.3%) vs. Q1 2025
- Total value
- $148.9M
- −$2.03M (−1.3%) vs. Q1 2025
- New holders
- 10
- 22 more added
- Sold out
- 13
- 35 more reduced
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,787,705 | $25.5M | 0.07% | 00.0% | Unchanged |
| Sanofi | 1,157,926 | $16.5M | 9.40% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 977,892 | $14.0M | 0.52% | −86,134−8.1% | Reduced |
| HighTower Advisors, LLC | 871,759 | $12.4M | 0.02% | +50.0% | Added |
| BlackRock, Inc. | 728,744 | $10.4M | 0.00% | −103,988−12.5% | Reduced |
| Sofinnova Investments, Inc. | 708,678 | $10.1M | 0.69% | +10,762+1.5% | Added |
| Woodline Partners LP | 662,868 | $9.46M | 0.05% | +304,432+84.9% | Added |
| Vanguard Group Inc | 598,448 | $8.54M | 0.00% | +10,125+1.7% | Added |
| Millennium Management LLC | 275,778 | $3.94M | 0.00% | +20,442+8.0% | Added |
| PFM Health Sciences, LP | 244,261 | $3.49M | 0.30% | −195,022−44.4% | Reduced |
| Geode Capital Management, LLC | 225,955 | $3.23M | 0.00% | −34,074−13.1% | Reduced |
| State Street Corp | 204,959 | $2.92M | 0.00% | +32,055+18.5% | Added |
| Caption Management, LLC | 199,508 | $2.85M | 0.26% | 00.0% | Unchanged |
| Slotnik Capital, LLC | 184,171 | $2.63M | 1.06% | −102,791−35.8% | Reduced |
| Kennedy Capital Management, Inc. | 177,318 | $2.53M | 0.06% | +12,342+7.5% | Added |
| Schonfeld Strategic Advisors LLC | 154,790 | $2.21M | 0.02% | +10,612+7.4% | Added |
| Acadian Asset Management LLC | 120,124 | $1.71M | 0.00% | −72,374−37.6% | Reduced |
| Northern Trust Corp | 97,685 | $1.39M | 0.00% | −18,828−16.2% | Reduced |
| Groupe la Francaise | 75,932 | $1.08M | 0.02% | 00.0% | Unchanged |
| Credit Industriel Et Commercial | 64,217 | $916.4K | 0.15% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 50,478 | $720.3K | 0.00% | −2,322−4.4% | Reduced |
| UBS Group AG | 45,984 | $656.2K | 0.00% | +18,516+67.4% | Added |
| Ikarian Capital, LLC | 42,122 | $601.1K | 0.20% | 00.0% | Unchanged |
| Wetherby Asset Management Inc | 40,656 | $580.2K | 0.03% | +40,656 | New |
| FMR LLC | 39,071 | $557.5K | 0.00% | +1,724+4.6% | Added |
| ArrowMark Colorado Holdings LLC | 36,206 | $516.7K | 0.01% | −103,476−74.1% | Reduced |
| Murchinson Ltd. | 33,790 | $482.2K | 0.26% | 00.0% | Unchanged |
| Birchview Capital, LP | 32,110 | $458.2K | 0.46% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 29,993 | $428.0K | 0.00% | +2,963+11.0% | Added |
| Boothbay Fund Management, LLC | 28,230 | $402.8K | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 27,808 | $396.8K | 0.00% | −9,092−24.6% | Reduced |
| Charles Schwab Investment Management Inc | 27,793 | $396.6K | 0.00% | −4,864−14.9% | Reduced |
| Readystate Asset Management LP | 26,834 | $382.9K | 0.02% | +26,834 | New |
| Meridian Wealth Advisors, LLC | 25,000 | $356.8K | 0.06% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 23,073 | $329.3K | 0.00% | −29,800−56.4% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 22,584 | $322.3K | 0.01% | 00.0% | Unchanged |
| Franklin Resources Inc | 22,170 | $316.4K | 0.00% | +22,170 | New |
| Nuveen, LLC | 21,214 | $302.7K | 0.00% | −3,807−15.2% | Reduced |
| Yakira Capital Management, Inc. | 21,118 | $301.4K | 0.11% | −15,077−41.7% | Reduced |
| JBF Capital, Inc. | 20,949 | $298.9K | 0.05% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 20,455 | $291.9K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 20,420 | $291.4K | 0.00% | +2,490+13.9% | Added |
| Qube Research & Technologies Ltd | 19,886 | $283.8K | 0.00% | −28,021−58.5% | Reduced |
| HRT Financial LP | 19,783 | $282.0K | 0.00% | +19,783 | New |
| Arbiter Partners Capital Management LLC | 19,759 | $282.0K | 0.25% | −8,336−29.7% | Reduced |
| Jane Street Group, LLC | 19,373 | $276.5K | 0.00% | −6,927−26.3% | Reduced |
| Barclays PLC | 17,164 | $244.9K | 0.00% | +3,881+29.2% | Added |
| Mark Asset Management LP | 17,000 | $243.0K | 0.03% | +17,000 | New |
| Bridgeway Capital Management, LLC | 16,500 | $235.5K | 0.01% | +16,500 | New |
| Ethic Inc. | 15,739 | $227.1K | 0.00% | +15,739 | New |
| Rhumbline Advisers | 14,334 | $204.5K | 0.00% | −1,098−7.1% | Reduced |
| Invesco Ltd. | 13,492 | $192.5K | 0.00% | +13,492 | New |
| Mariner, LLC | 11,954 | $170.6K | 0.00% | −6,713−36.0% | Reduced |
| Goldman Sachs Group Inc | 11,089 | $158.2K | 0.00% | −6,076−35.4% | Reduced |
| Bank of America Corp | 9,130 | $130.3K | 0.00% | +1,469+19.2% | Added |
| MetLife Investment Management | 7,683 | $109.6K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 6,466 | $92.3K | 0.00% | −315−4.6% | Reduced |
| JPMorgan Chase & Co | 5,308 | $75.7K | 0.00% | −1,089−17.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 4,954 | $70.7K | 0.00% | −2,011−28.9% | Reduced |
| Deutsche Bank AG | 4,684 | $66.8K | 0.00% | −2,759−37.1% | Reduced |
| New York State Common Retirement Fund | 3,472 | $49.5K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 3,374 | $48.1K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 3,332 | $47.5K | 0.00% | −5,177−60.8% | Reduced |
| China Universal Asset Management Co., Ltd. | 2,907 | $41.5K | 0.00% | +3+0.1% | Added |
| Tower Research Capital LLC (TRC) | 2,216 | $31.6K | 0.00% | +1,347+155.0% | Added |
| Natixis | 2,000 | $28.5K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,395 | $20.0K | 0.00% | +1,076+337.3% | Added |
| BNP Paribas Arbitrage, SA | 1,097 | $15.7K | 0.00% | +254+30.1% | Added |
| Ameritas Investment Partners, Inc. | 853 | $12.2K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 768 | $11.0K | 0.00% | −277−26.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 737 | $10.5K | 0.00% | −87−10.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 559 | $7.98K | 0.00% | +71+14.5% | Added |
| GF Fund Management Co. Ltd. | 359 | $5.12K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 362 | $5.00K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 245 | $3.50K | 0.00% | +156+175.3% | Added |
| FNY Investment Advisers, LLC | 250 | $3.00K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 168 | $2.40K | 0.00% | −228−57.6% | Reduced |
| GAMMA Investing LLC | 155 | $2.21K | 0.00% | −335−68.4% | Reduced |
| IFP Advisors, Inc | 0 | $2.14K | 0.00% | −4−100.0% | Reduced |
| CWM, LLC | 125 | $2.00K | 0.00% | −36−22.4% | Reduced |
| Advisor Group Holdings, Inc. | 84 | $1.20K | 0.00% | +84 | New |
| The PNC Financial Services Group, Inc. | 31 | $442 | 0.00% | −1,540−98.0% | Reduced |
| EverSource Wealth Advisors, LLC | 22 | $314 | 0.00% | +16+266.7% | Added |
| Rothschild Investment LLC | 20 | $285 | 0.00% | +19+1,900.0% | Added |
| Nisa Investment Advisors, LLC | 11 | $157 | 0.00% | −63−85.1% | Reduced |
| True Wealth Design, LLC | 4 | $58 | 0.00% | −6−60.0% | Reduced |
| Signaturefd, LLC | 2 | $29 | 0.00% | −40−95.2% | Reduced |
| Essential Partners LLC | 2 | $29 | 0.00% | +2 | New |
| Farther Finance Advisors, LLC | 1 | $14 | 0.00% | 00.0% | Unchanged |
| Alpha Wealth Funds, LLC | 0 | $0 | 0.00% | −38,647−100.0% | Sold out |
| Rangeley Capital, LLC | 0 | $0 | 0.00% | −17,810−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −16,918−100.0% | Sold out |
| Bluefin Capital Management, LLC | 0 | $0 | 0.00% | −11,408−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −9,138−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −5,681−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −3,627−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −2,889−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −1,900−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −858−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |