Inhibrx BiosciencesINBX
13F holders, Q1 2026 (March 31)135holders −3
18new positions
25sold out
7famous investors
$67.22avg. 13F price*
At the end of Q1 2026, 135 institutions reported holding Inhibrx Biosciences Inc. (INBX) in their 13F filings, down 3 from Q4 2025. 18 opened new positions and 25 sold out. The largest holders were Perceptive Advisors LLC ($97.0M), Viking Global Investors ($96.7M) and Morgan Stanley ($84.9M). 7 famous investors held it, including Andreas Halvorsen (0.3% of Viking Global Investors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Inhibrx Biosciences Inc.
- CUSIP
- 45720N103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 18 | $9.2M |
| Exits | 25 | $46.4M |
All 13F filers, Q4 2025 → Q1 2026: 1,189,159 shares bought and 1,256,951 shares sold, net −67,792 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 135 holders
| Perceptive Advisors LLC | 1.92% | Reduce -0.7% | 1,442,707 | $97.0M |
| Viking Global Investors | 0.27% | No change | 1,437,705 | $96.7M |
| Morgan Stanley | 0.01% | Add +8.2% | 1,263,078 | $84.9M |
| Sanofi | 23.17% | No change | 1,157,926 | $77.8M |
| HighTower Advisors, LLC | 0.06% | Reduce -0.0% | 870,200 | $58.5M |
| BlackRock, Inc. | 0.00% | Add +2.8% | 798,898 | $53.7M |
| State Street Corp. | 0.00% | Add +46.9% | 550,845 | $37.0M |
| Vanguard Capital Management LLC | 0.00% | — | 486,422 | $32.7M |
| Sofinnova Investments, Inc. | 1.37% | Reduce -10.7% | 406,029 | $27.3M |
| Capital Research Global Investors | 0.00% | Reduce -6.8% | 392,847 | $26.4M |
| Woodline Partners LP | 0.10% | Add +175.6% | 384,433 | $25.8M |
| Millennium Management | 0.02% | Add +18.8% | 327,860 | $22.0M |
| PFM Health Sciences, LP | 2.20% | Add +15.0% | 305,431 | $20.5M |
| Schonfeld Strategic Advisors LLC | 0.14% | Add +18.7% | 254,827 | $17.1M |
| Geode Capital Management, LLC | 0.00% | Add +2.4% | 231,509 | $15.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.02% | Reduce -35.3% | 170,700 | $11.5M |
| SummitTX Capital, L.P. | 0.30% | Add +66.3% | 137,821 | $9.3M |
| Soleus Capital Management, L.P. | 0.36% | Add +424.0% | 131,000 | $8.8M |
| Capitolis Liquid Global Markets LLC | 0.05% | — | 125,000 | $8.4M |
| CDC Financial, Inc. | 6.96% | Add +12.4% | 124,530 | $8.4M |
| Susquehanna International Group, LLP | 0.01% | Reduce -67.1% | 97,873 | $6.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -5.5% | 95,074 | $6.4M |
| Northern Trust Corp. | 0.00% | Add +5.9% | 93,696 | $6.3M |
| D. E. Shaw & Co. | 0.00% | Reduce -36.6% | 77,437 | $5.2M |
| Kennedy Capital Management LLC | 0.10% | Add +1.9% | 72,812 | $4.9M |
| Vanguard Portfolio Management LLC | 0.00% | — | 72,460 | $4.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 64,322 | $4.3M |
| Citigroup Inc. | 0.00% | Add +12.1% | 62,516 | $4.2M |
| FMR LLC | 0.00% | Add +14.1% | 52,808 | $3.6M |
| Renaissance Technologies | 0.01% | Reduce -4.6% | 50,183 | $3.4M |
| UBS Group AG | 0.00% | Reduce -34.7% | 48,137 | $3.2M |
| Voleon Capital Management LP | 0.06% | Add +161.9% | 39,305 | $2.6M |
| Jefferies Financial Group Inc. | 0.03% | Add +337.9% | 38,973 | $2.6M |
| ArrowMark Colorado Holdings LLC | 0.06% | No change | 35,176 | $2.4M |
| Franklin Resources Inc. | 0.00% | Add +16.7% | 34,207 | $2.3M |
| Citadel Advisors | 0.00% | Add +23.3% | 33,157 | $2.2M |
| Bank of America Corp. | 0.00% | Reduce -52.7% | 32,683 | $2.2M |
| BNP Paribas Financial Markets | 0.00% | Add +119.1% | 32,539 | $2.2M |
| ExodusPoint Capital Management, LP | 0.02% | New | 30,980 | $2.1M |
| Jump Financial, LLC | 0.03% | Add +736.2% | 29,300 | $2.0M |
| Corient Private Wealth LP | 0.00% | Add +41.0% | 28,814 | $1.9M |
| Atom Investors LP | 0.13% | New | 26,505 | $1.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.3% | 25,874 | $1.7M |
| Wellington Management Group LLP | 0.00% | Reduce -9.2% | 25,785 | $1.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -6.1% | 25,671 | $1.7M |
| Invesco Ltd. | 0.00% | Reduce -79.2% | 23,356 | $1.6M |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.03% | Reduce -1.3% | 22,584 | $1.5M |
| Marshall Wace, LLP | 0.00% | Reduce -28.7% | 20,888 | $1.4M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -2.7% | 20,222 | $1.4M |
| XTX Topco Ltd | 0.02% | Add +123.1% | 20,126 | $1.4M |
| Centiva Capital, LP | 0.06% | New | 17,739 | $1.2M |
| Quantinno Capital Management LP | 0.00% | Add +76.4% | 17,704 | $1.2M |
| Nuveen, LLC | 0.00% | Add +0.5% | 17,177 | $1.2M |
| Rafferty Asset Management, LLC | 0.00% | Add +83.7% | 15,761 | $1.1M |
| Squarepoint Ops LLC | 0.00% | Add +360.2% | 15,639 | $1.1M |
| Swiss National Bank | 0.00% | New | 14,400 | $968K |
| Voloridge Investment Management, LLC | 0.00% | New | 13,501 | $908K |
| Rhumbline Advisers | 0.00% | Reduce -0.0% | 11,433 | $769K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +11.7% | 11,329 | $762K |
| Victory Capital Management Inc. | 0.00% | Reduce -8.7% | 10,924 | $734K |
| Alliancebernstein L.P. | 0.00% | No change | 8,950 | $707K |
| Meridian Wealth Advisors, LLC | 0.09% | No change | 10,500 | $706K |
| Ethic Inc. | 0.01% | Reduce -26.9% | 9,488 | $638K |
| Jane Street Group, LLC | 0.00% | Reduce -72.2% | 9,196 | $618K |
| AQR Capital Management | 0.00% | Add +11.7% | 8,380 | $563K |
| Deutsche Bank AG | 0.00% | Add +12.3% | 7,451 | $501K |
| Vanguard Global Advisers, LLC | 0.00% | — | 7,402 | $498K |
| Tudor Investment Corporation | 0.00% | Add +58.8% | 7,373 | $496K |
| Aquatic Capital Management LLC | 0.01% | New | 7,274 | $489K |
| Profund Advisors LLC | 0.02% | Add +115.0% | 7,032 | $473K |
| T. Rowe Price Associates Inc. | 0.00% | Add +31.5% | 7,012 | $472K |
| PSP Research LLC | 0.33% | Add +8.4% | 6,927 | $466K |
| Creative Planning | 0.00% | Add +15.9% | 6,618 | $445K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -27.8% | 6,500 | $437K |
| Harvest Investment Services, LLC | 0.08% | Add +27.0% | 6,413 | $431K |
| Janney Montgomery Scott LLC | 0.00% | Add +16.6% | 6,406 | $431K |
| Mangrove Partners Im, LLC | 0.03% | New | 5,531 | $372K |
| Voya Investment Management LLC | 0.00% | Reduce -0.9% | 5,512 | $371K |
| Graham Capital Management, L.P. | 0.02% | New | 5,242 | $352K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.5% | 5,240 | $352K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +13.5% | 5,348 | $351K |
| Legal & General Group Plc | 0.00% | Add +530.9% | 5,009 | $337K |
| Group One Trading LLC | 0.01% | Reduce -10.4% | 4,803 | $323K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 4,799 | $323K |
| JPMorgan Chase & Co. | 0.00% | Reduce -71.1% | 4,932 | $295K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +51.8% | 4,228 | $284K |
| Swiss Life Asset Management Ltd | 0.00% | New | 7,714 | $274K |
| Wells Fargo & Company | 0.00% | Reduce -63.6% | 3,938 | $265K |
| Lanark Financial, Inc. | 0.02% | Add +26.7% | 3,800 | $255K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 3,800 | $255K |
| New York State Common Retirement Fund | 0.00% | No change | 3,472 | $233K |
| Virtus Investment Advisers, LLC | 0.06% | Add +2.5% | 3,425 | $230K |
| Janus Henderson Group PLC | 0.00% | New | 3,400 | $229K |
| Presidio Capital Management, LLC | 0.07% | No change | 3,394 | $228K |
| Moran Wealth Management, LLC | 0.01% | New | 3,163 | $213K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -2.4% | 3,026 | $203K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 2,660 | $179K |
| China Universal Asset Management Co., Ltd. | 0.01% | Add +8.9% | 2,581 | $174K |
| Seven Fleet Capital Management LP | 0.05% | New | 2,482 | $167K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 2,090 | $141K |
| Barclays PLC | 0.00% | Reduce -92.4% | 1,667 | $112K |
| KLP Kapitalforvaltning As | 0.00% | New | 1,600 | $108K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +110.6% | 1,388 | $93K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 1,200 | $81K |
| Caption Management, LLC | 0.00% | New | 1,000 | $67K |
| Optiver Holding B.V. | 0.00% | Add +3.2% | 962 | $65K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +7.4% | 759 | $51K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 736 | $49K |
| California State Teachers Retirement System | 0.00% | Reduce -12.0% | 491 | $33K |
| GF Fund Management Co. LTD. | 0.00% | Add +14.4% | 326 | $22K |
| Sterling Capital Management LLC | 0.00% | Reduce -42.8% | 302 | $20K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +59.3% | 258 | $17K |
| FNY Investment Advisers, LLC | 0.01% | No change | 250 | $16K |
| US Bancorp \de | 0.00% | Add +7.9% | 219 | $15K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -61.0% | 194 | $13K |
| Versant Capital Management, Inc | 0.00% | No change | 168 | $11K |
| GAMMA Investing LLC | 0.00% | Add +1.2% | 167 | $11K |
| Cwm, LLC | 0.00% | Add +2.6% | 159 | $11K |
| Torren Management, LLC | 0.00% | No change | 110 | $7K |
| Royal Bank of Canada | 0.00% | Reduce -70.0% | 107 | $7K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 104 | $7K |
| Los Angeles Capital Management LLC | 0.00% | Add +157.9% | 98 | $7K |
| Osaic Holdings, Inc. | 0.00% | Add +2.9% | 70 | $5K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +570.0% | 67 | $5K |
| Quadrant Capital Group LLC | 0.00% | New | 55 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 41 | $3K |
| Farther Finance Advisors, LLC | 0.00% | No change | 38 | $3K |
| Rothschild Investment LLC | 0.00% | No change | 22 | $1K |
| Fifth Third Bancorp | 0.00% | New | 21 | $1K |
| Signaturefd, LLC | 0.00% | Add +650.0% | 15 | $1K |
| Sunbelt Securities, Inc. | 0.00% | No change | 8 | $538 |
| Allworth Financial LP | 0.00% | New | 5 | $337 |
| True Wealth Design, LLC | 0.00% | No change | 4 | $269 |
| Essential Partners LLC | 0.00% | No change | 2 | $134 |
| Covestor Ltd | 0.00% | New | 1 | $0 |
"% of holder's portfolio" is INBX's weight in each manager's 13F, not the share of Inhibrx Biosciences Inc. the manager owns.