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, Q4 2025
Institutional positions in Inhibrx Biosciences, Inc. as of Dec 31, 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
- 138
- +37 vs. Q3 2025
- Shares held
- 12.8M
- +2.32M (+22.2%) vs. Q3 2025
- Total value
- $1.01B
- +$657.3M (+186.6%) vs. Q3 2025
- New holders
- 45
- 38 more added
- Sold out
- 8
- 38 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Signaturefd, LLC | 2 | $158 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 2 | $158 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 4 | $316 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 8 | $632 | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 10 | $790 | 0.00% | −100−90.9% | Reduced |
| Rockefeller Capital Management L.P. | 13 | $1.03K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 17 | $1.34K | 0.00% | +17 | New |
| Rothschild Investment LLC | 22 | $1.74K | 0.00% | +2+10.0% | Added |
| SageView Advisory Group, LLC | 28 | $2.21K | 0.00% | +28 | New |
| Los Angeles Capital Management LLC | 38 | $2.98K | 0.00% | +38 | New |
| Farther Finance Advisors, LLC | 38 | $3.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 41 | $3.24K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 68 | $5.37K | 0.00% | −51−42.9% | Reduced |
| Nisa Investment Advisors, LLC | 104 | $8.22K | 0.00% | +93+845.5% | Added |
| Torren Management, LLC | 110 | $8.69K | 0.00% | +110 | New |
| Caitong International Asset Management Co., Ltd | 121 | $9.56K | 0.00% | +121 | New |
| CWM, LLC | 155 | $12.0K | 0.00% | +7+4.7% | Added |
| EverSource Wealth Advisors, LLC | 162 | $12.8K | 0.00% | +122+305.0% | Added |
| GAMMA Investing LLC | 165 | $13.0K | 0.00% | +26+18.7% | Added |
| Versant Capital Management, Inc | 168 | $13.3K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 203 | $16.0K | 0.00% | −14−6.5% | Reduced |
| FNY Investment Advisers, LLC | 250 | $19.0K | 0.01% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 285 | $22.5K | 0.00% | −22−7.2% | Reduced |
| Amalgamated Bank | 285 | $23.0K | 0.00% | −77−21.3% | Reduced |
| Persistent Asset Partners Ltd | 346 | $27.3K | 0.01% | +346 | New |
| Royal Bank of Canada | 357 | $29.0K | 0.00% | −109−23.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 498 | $39.3K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 528 | $41.7K | 0.00% | −97−15.5% | Reduced |
| California State Teachers Retirement System | 558 | $44.1K | 0.00% | −10−1.8% | Reduced |
| Tower Research Capital LLC (TRC) | 659 | $52.1K | 0.00% | −384−36.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 707 | $55.9K | 0.00% | +147+26.3% | Added |
| Ameritas Investment Partners, Inc. | 736 | $58.1K | 0.00% | −117−13.7% | Reduced |
| Legal & General Group Plc | 794 | $62.7K | 0.00% | +26+3.4% | Added |
| Daiwa Securities Group Inc. | 841 | $66.0K | 0.00% | +841 | New |
| Natixis | 889 | $70.2K | 0.00% | −1,111−55.6% | Reduced |
| Optiver Holding B.V. | 932 | $73.6K | 0.00% | +818+717.5% | Added |
| Simplex Trading, LLC | 1,145 | $90.5K | 0.00% | +1,145 | New |
| Public Employees Retirement System of Ohio | 1,200 | $94.8K | 0.00% | 00.0% | Unchanged |
| Diadema Partners LP | 1,299 | $102.6K | 0.06% | +1,299 | New |
| Hurley Capital, LLC | 1,660 | $131.1K | 0.07% | +1,660 | New |
| Quest Partners LLC | 2,192 | $173.2K | 0.01% | +2,192 | New |
| China Universal Asset Management Co., Ltd. | 2,370 | $187.2K | 0.01% | −169−6.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 2,660 | $210.1K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 2,785 | $220.0K | 0.00% | +2,785 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,101 | $232.7K | 0.00% | +3,101 | New |
| NBC Securities, Inc. | 3,000 | $237.0K | 0.02% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 3,051 | $241.0K | 0.00% | +3,051 | New |
| Intech Investment Management LLC | 3,242 | $256.1K | 0.00% | +3,242 | New |
| Profund Advisors LLC | 3,271 | $258.4K | 0.01% | +3,271 | New |
| Virtus Investment Advisers, Inc. | 3,343 | $264.1K | 0.07% | +3,343 | New |
| Presidio Capital Management, LLC | 3,394 | $268.1K | 0.08% | +3,394 | New |
| Squarepoint Ops LLC | 3,398 | $268.4K | 0.00% | +3,398 | New |
| New York State Common Retirement Fund | 3,472 | $274.3K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 3,504 | $276.8K | 0.00% | +3,504 | New |
| Birchview Capital, LP | 3,698 | $292.1K | 0.17% | −28,000−88.3% | Reduced |
| State Board of Administration of Florida Retirement System | 3,800 | $300.2K | 0.00% | +3,800 | New |
| Tudor Investment Corp Et Al | 4,642 | $366.7K | 0.00% | +4,642 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 4,712 | $371.7K | 0.00% | +582+14.1% | Added |
| Harvest Investment Services, LLC | 5,049 | $398.9K | 0.08% | +5,049 | New |
| MetLife Investment Management | 5,320 | $420.3K | 0.00% | −2,105−28.4% | Reduced |
| Price T Rowe Associates Inc | 5,334 | $422.0K | 0.00% | +5,334 | New |
| Group One Trading, L.P. | 5,358 | $423.3K | 0.01% | +5,358 | New |
| Janney Montgomery Scott LLC | 5,495 | $434.0K | 0.00% | +5,495 | New |
| Voya Investment Management LLC | 5,564 | $439.6K | 0.00% | +5,564 | New |
| Creative Planning | 5,708 | $450.9K | 0.00% | +5,708 | New |
| PSP Research LLC | 6,389 | $504.7K | 0.44% | +6,389 | New |
| Deutsche Bank AG | 6,638 | $524.4K | 0.00% | +6,638 | New |
| Belvedere Trading LLC | 7,402 | $584.8K | 0.11% | +1,125+17.9% | Added |
| AQR Capital Management LLC | 7,501 | $592.6K | 0.00% | +1,503+25.1% | Added |
| Rafferty Asset Management, LLC | 8,582 | $678.0K | 0.00% | +8,582 | New |
| Credit Industriel Et Commercial | 8,656 | $683.8K | 0.10% | −20,302−70.1% | Reduced |
| Jefferies Financial Group Inc. | 8,901 | $703.2K | 0.01% | +8,901 | New |
| Alliancebernstein L.P. | 8,950 | $707.0K | 0.00% | −10,280−53.5% | Reduced |
| Bridgeway Capital Management, LLC | 9,000 | $711.0K | 0.01% | −7,500−45.5% | Reduced |
| XTX Topco Ltd | 9,021 | $712.7K | 0.02% | +9,021 | New |
| Quantinno Capital Management LP | 10,038 | $793.0K | 0.00% | −1,789−15.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 10,141 | $801.1K | 0.00% | −3,578−26.1% | Reduced |
| Meridian Wealth Advisors, LLC | 10,500 | $829.5K | 0.11% | −14,500−58.0% | Reduced |
| Wells Fargo & Company | 10,813 | $854.2K | 0.00% | +3,214+42.3% | Added |
| Rhumbline Advisers | 11,435 | $903.4K | 0.00% | −2,300−16.7% | Reduced |
| Victory Capital Management Inc | 11,963 | $945.1K | 0.00% | +11,963 | New |
| Jain Global LLC | 12,098 | $955.7K | 0.01% | +12,098 | New |
| Mariner, LLC | 12,746 | $1.01M | 0.00% | −4,596−26.5% | Reduced |
| Ethic Inc. | 12,971 | $1.02M | 0.02% | −1,516−10.5% | Reduced |
| BNP Paribas Arbitrage, SA | 14,850 | $1.17M | 0.00% | +12,964+687.4% | Added |
| Voleon Capital Management LP | 15,008 | $1.19M | 0.03% | +15,008 | New |
| Groupe la Francaise | 15,636 | $1.24M | 0.02% | −31,698−67.0% | Reduced |
| SG Americas Securities, LLC | 16,088 | $1.27M | 0.00% | +16,088 | New |
| Acuta Capital Partners, LLC | 16,377 | $1.29M | 0.88% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 17,059 | $1.35M | 0.00% | +12,230+253.3% | Added |
| Nuveen, LLC | 17,090 | $1.35M | 0.00% | −494−2.8% | Reduced |
| CI Private Wealth, LLC | 20,443 | $1.61M | 0.00% | +20,443 | New |
| Russell Investments Group, Ltd. | 20,778 | $1.64M | 0.00% | −17,356−45.5% | Reduced |
| Barclays PLC | 21,879 | $1.73M | 0.00% | +8,411+62.5% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 22,883 | $1.81M | 0.03% | +299+1.3% | Added |
| Soleus Capital Management, L.P. | 25,000 | $1.98M | 0.08% | +25,000 | New |
| Acadian Asset Management LLC | 25,390 | $2.00M | 0.00% | −3,055−10.7% | Reduced |
| Bank of New York Mellon Corp | 26,748 | $2.11M | 0.00% | −23,377−46.6% | Reduced |
| Citadel Advisors LLC | 26,900 | $2.13M | 0.00% | −30,294−53.0% | Reduced |
| Charles Schwab Investment Management Inc | 27,341 | $2.16M | 0.00% | −452−1.6% | Reduced |