Inhibrx BiosciencesINBX
13F holders, Q4 2025 (December 31)138holders +36
41new positions
8sold out
7famous investors
$79.00avg. 13F price*
At the end of Q4 2025, 138 institutions reported holding Inhibrx Biosciences Inc. (INBX) in their 13F filings, up 36 from Q3 2025. 41 opened new positions and 8 sold out. The largest holders were Perceptive Advisors LLC ($114.8M), Viking Global Investors ($113.6M) and Morgan Stanley ($92.3M). 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 David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Inhibrx Biosciences Inc.
- CUSIP
- 45720N103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 41 | $97.5M |
| Exits | 8 | $8.4M |
All 13F filers, Q3 2025 → Q4 2025: 3,220,537 shares bought and 1,149,990 shares sold, net +2,070,547 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 138 holders
| Perceptive Advisors LLC | 2.11% | Add +9.4% | 1,452,707 | $114.8M |
| Viking Global Investors | 0.30% | Reduce -19.6% | 1,437,705 | $113.6M |
| Morgan Stanley | 0.01% | Add +163.7% | 1,167,728 | $92.3M |
| Sanofi | 29.47% | No change | 1,157,926 | $91.5M |
| HighTower Advisors, LLC | 0.08% | Reduce -0.1% | 870,507 | $68.8M |
| BlackRock, Inc. | 0.00% | Add +13.5% | 777,383 | $61.4M |
| Vanguard Group Inc. | 0.00% | Add +4.7% | 623,084 | $49.2M |
| Sofinnova Investments, Inc. | 1.55% | Add +3.3% | 454,657 | $35.9M |
| Capital Research Global Investors | 0.01% | New | 421,575 | $33.3M |
| State Street Corp. | 0.00% | Add +83.9% | 374,961 | $29.6M |
| Caligan Partners LP | 2.34% | Add +36.9% | 323,565 | $25.6M |
| Susquehanna International Group, LLP | 0.03% | New | 297,116 | $23.5M |
| Millennium Management | 0.02% | Reduce -7.3% | 275,917 | $21.8M |
| PFM Health Sciences, LP | 2.16% | Add +10.8% | 265,517 | $21.0M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.04% | New | 264,000 | $20.9M |
| Geode Capital Management, LLC | 0.00% | Add +1.8% | 226,009 | $17.9M |
| Schonfeld Strategic Advisors LLC | 0.09% | Add +120.5% | 214,725 | $17.0M |
| Woodline Partners LP | 0.04% | Reduce -58.6% | 139,479 | $11.0M |
| Norges Bank | 0.00% | — | 133,300 | $10.5M |
| D. E. Shaw & Co. | 0.01% | Add +956.9% | 122,101 | $9.6M |
| Invesco Ltd. | 0.00% | Add +539.6% | 112,396 | $8.9M |
| CDC Financial, Inc. | 8.09% | — | 110,810 | $8.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +287.5% | 100,617 | $7.9M |
| Boothbay Fund Management, LLC | 0.19% | Add +16.7% | 92,009 | $7.3M |
| Northern Trust Corp. | 0.00% | Reduce -4.5% | 88,509 | $7.0M |
| SummitTX Capital, L.P. | 0.20% | Add +53.1% | 82,885 | $6.5M |
| UBS Group AG | 0.00% | Add +681.9% | 73,699 | $5.8M |
| Kennedy Capital Management LLC | 0.12% | Reduce -55.9% | 71,488 | $5.6M |
| Bank of America Corp. | 0.00% | Add +287.6% | 69,119 | $5.5M |
| Citigroup Inc. | 0.00% | Add +1021.7% | 55,759 | $4.4M |
| Renaissance Technologies | 0.01% | Add +526.2% | 52,600 | $4.2M |
| FMR LLC | 0.00% | Add +17.6% | 46,269 | $3.7M |
| Laird Norton Wetherby Trust Company, LLC | 0.07% | New | 40,382 | $3.2M |
| ArrowMark Colorado Holdings LLC | 0.06% | No change | 35,176 | $2.8M |
| Jane Street Group, LLC | 0.00% | Reduce -47.5% | 33,019 | $2.6M |
| Marshall Wace, LLP | 0.00% | Add +7.6% | 29,310 | $2.3M |
| Franklin Resources Inc. | 0.00% | Add +70.8% | 29,308 | $2.3M |
| Wellington Management Group LLP | 0.00% | Reduce -4.6% | 28,393 | $2.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.6% | 27,341 | $2.2M |
| Citadel Advisors | 0.00% | Reduce -53.0% | 26,900 | $2.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -46.6% | 26,748 | $2.1M |
| Acadian Asset Management LLC | 0.00% | Reduce -10.7% | 25,390 | $2.0M |
| Soleus Capital Management, L.P. | 0.08% | New | 25,000 | $2.0M |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.03% | Add +1.3% | 22,883 | $1.8M |
| Barclays PLC | 0.00% | Add +62.5% | 21,879 | $1.7M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -45.5% | 20,778 | $1.6M |
| Corient Private Wealth LP | 0.00% | New | 20,443 | $1.6M |
| Nuveen, LLC | 0.00% | Reduce -2.8% | 17,090 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Add +253.3% | 17,059 | $1.3M |
| Acuta Capital Partners, LLC | 0.88% | No change | 16,377 | $1.3M |
| SG Americas Securities, LLC | 0.00% | New | 16,088 | $1.3M |
| Groupe la Francaise | 0.02% | Reduce -67.0% | 15,636 | $1.2M |
| Voleon Capital Management LP | 0.03% | New | 15,008 | $1.2M |
| BNP Paribas Financial Markets | 0.00% | Add +687.4% | 14,850 | $1.2M |
| Ethic Inc. | 0.02% | Reduce -10.5% | 12,971 | $1.0M |
| Mariner, LLC | 0.00% | Reduce -26.5% | 12,746 | $1.0M |
| Jain Global LLC | 0.01% | New | 12,098 | $956K |
| Victory Capital Management Inc. | 0.00% | New | 11,963 | $945K |
| Rhumbline Advisers | 0.00% | Reduce -16.8% | 11,435 | $903K |
| Wells Fargo & Company | 0.00% | Add +42.3% | 10,813 | $854K |
| Meridian Wealth Advisors, LLC | 0.11% | Reduce -58.0% | 10,500 | $830K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -26.1% | 10,141 | $801K |
| Quantinno Capital Management LP | 0.00% | Reduce -15.1% | 10,038 | $793K |
| XTX Topco Ltd | 0.02% | New | 9,021 | $713K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -45.5% | 9,000 | $711K |
| Alliancebernstein L.P. | 0.00% | Reduce -53.5% | 8,950 | $707K |
| Jefferies Financial Group Inc. | 0.01% | New | 8,901 | $703K |
| Credit Industriel Et Commercial | 0.16% | Reduce -70.1% | 8,656 | $684K |
| Rafferty Asset Management, LLC | 0.00% | New | 8,582 | $678K |
| AQR Capital Management | 0.00% | Add +25.1% | 7,501 | $593K |
| Belvedere Trading LLC | 0.11% | Add +17.9% | 7,402 | $585K |
| Deutsche Bank AG | 0.00% | New | 6,638 | $524K |
| PSP Research LLC | 0.44% | — | 6,389 | $505K |
| Creative Planning | 0.00% | New | 5,708 | $451K |
| Voya Investment Management LLC | 0.00% | New | 5,564 | $440K |
| Janney Montgomery Scott LLC | 0.00% | New | 5,495 | $434K |
| Group One Trading LLC | 0.01% | New | 5,358 | $423K |
| T. Rowe Price Associates Inc. | 0.00% | New | 5,334 | $422K |
| MetLife Investment Management, LLC | 0.00% | Reduce -28.4% | 5,320 | $420K |
| Harvest Investment Services, LLC | 0.08% | New | 5,049 | $399K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +14.1% | 4,712 | $372K |
| Tudor Investment Corporation | 0.00% | New | 4,642 | $367K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 3,800 | $300K |
| Birchview Capital, LP | 0.17% | Reduce -88.3% | 3,698 | $292K |
| Jump Financial, LLC | 0.00% | New | 3,504 | $277K |
| New York State Common Retirement Fund | 0.00% | No change | 3,472 | $274K |
| Squarepoint Ops LLC | 0.00% | New | 3,398 | $268K |
| Presidio Capital Management, LLC | 0.08% | New | 3,394 | $268K |
| Virtus Investment Advisers, LLC | 0.07% | New | 3,343 | $264K |
| Profund Advisors LLC | 0.01% | New | 3,271 | $258K |
| Intech Investment Management LLC | 0.00% | New | 3,242 | $256K |
| Ameriprise Financial Inc. | 0.00% | New | 3,051 | $241K |
| Lanark Financial, Inc. | 0.02% | No change | 3,000 | $237K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | New | 3,101 | $233K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 2,785 | $220K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 2,660 | $210K |
| China Universal Asset Management Co., Ltd. | 0.01% | Reduce -6.7% | 2,370 | $187K |
| AlphaQuest LLC | 0.01% | New | 2,192 | $173K |
| Hurley Capital, LLC | 0.07% | New | 1,660 | $131K |
| Diadema Partners LP | 0.06% | New | 1,299 | $103K |
"% of holder's portfolio" is INBX's weight in each manager's 13F, not the share of Inhibrx Biosciences Inc. the manager owns.