Inhibrx BiosciencesINBX
13F holders, Q1 2025 (March 31)92holders −9
7new positions
15sold out
2famous investors
$13.99avg. 13F price*
At the end of Q1 2025, 92 institutions reported holding Inhibrx Biosciences Inc. (INBX) in their 13F filings, down 9 from Q4 2024. 7 opened new positions and 15 sold out. The largest holders were Viking Global Investors ($25.0M), Sanofi ($16.2M) and Perceptive Advisors LLC ($14.9M). 2 famous investors held it, including Andreas Halvorsen (0.1% of Viking Global Investors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Inhibrx Biosciences Inc.
- CUSIP
- 45720N103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $6.6M |
| Exits | 15 | $14.4M |
All 13F filers, Q4 2024 → Q1 2025: 1,106,904 shares bought and 1,387,044 shares sold, net −280,140 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 92 holders
| Viking Global Investors | 0.08% | No change | 1,787,705 | $25.0M |
| Sanofi | 9.76% | No change | 1,157,926 | $16.2M |
| Perceptive Advisors LLC | 0.53% | No change | 1,064,026 | $14.9M |
| HighTower Advisors, LLC | 0.02% | Add +11.5% | 871,754 | $12.2M |
| BlackRock, Inc. | 0.00% | Add +0.1% | 832,732 | $11.6M |
| Sofinnova Investments, Inc. | 0.74% | Add +32.4% | 697,916 | $9.8M |
| Vanguard Group Inc. | 0.00% | Reduce -3.2% | 588,323 | $8.2M |
| PFM Health Sciences, LP | 0.48% | Add +224.1% | 439,283 | $6.1M |
| Woodline Partners LP | 0.03% | New | 358,436 | $5.0M |
| Slotnik Capital, LLC | 1.99% | Reduce -26.0% | 286,962 | $4.0M |
| Geode Capital Management, LLC | 0.00% | Add +1.9% | 260,029 | $3.6M |
| Millennium Management | 0.00% | Reduce -1.2% | 255,336 | $3.6M |
| Caption Management, LLC | 0.13% | Reduce -0.2% | 199,508 | $2.8M |
| Acadian Asset Management LLC | 0.01% | Add +34.2% | 192,498 | $2.7M |
| State Street Corp. | 0.00% | Reduce -2.0% | 172,904 | $2.4M |
| Kennedy Capital Management LLC | 0.06% | Reduce -0.4% | 164,976 | $2.3M |
| Schonfeld Strategic Advisors LLC | 0.01% | No change | 144,178 | $2.0M |
| ArrowMark Colorado Holdings LLC | 0.03% | Reduce -13.2% | 139,682 | $2.0M |
| Northern Trust Corp. | 0.00% | Add +0.3% | 116,513 | $1.6M |
| Groupe la Francaise | 0.02% | New | 75,932 | $1.1M |
| Credit Industriel Et Commercial | 0.20% | No change | 64,217 | $898K |
| Susquehanna International Group, LLP | 0.00% | Reduce -27.0% | 52,873 | $740K |
| Bank of New York Mellon Corp | 0.00% | Add +2.6% | 52,800 | $739K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -47.5% | 47,907 | $670K |
| Ikarian Capital, LLC | 0.19% | No change | 42,122 | $589K |
| Alpha Wealth Funds, LLC | 0.59% | Reduce -50.4% | 38,647 | $541K |
| FMR LLC | 0.00% | Reduce -3.6% | 37,347 | $522K |
| Morgan Stanley | 0.00% | Reduce -7.1% | 36,900 | $516K |
| Yakira Capital Management, Inc. | 0.21% | No change | 36,195 | $506K |
| Murchinson Ltd. | 0.08% | No change | 33,790 | $473K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 32,657 | $457K |
| Birchview Capital, LP | 0.39% | No change | 32,110 | $449K |
| Boothbay Fund Management, LLC | 0.01% | No change | 28,230 | $395K |
| Arbiter Partners Capital Management LLC | 0.48% | No change | 28,095 | $393K |
| UBS Group AG | 0.00% | Add +54.7% | 27,468 | $384K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -50.3% | 27,030 | $378K |
| Jane Street Group, LLC | 0.00% | Reduce -70.3% | 26,300 | $368K |
| Nuveen, LLC | 0.00% | — | 25,021 | $350K |
| Meridian Wealth Advisors, LLC | 0.06% | No change | 25,000 | $350K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.01% | No change | 22,584 | $316K |
| JBF Capital, Inc. | 0.06% | No change | 20,949 | $293K |
| Corient Private Wealth LP | 0.00% | Reduce -0.2% | 20,455 | $286K |
| Mariner, LLC | 0.00% | New | 18,667 | $261K |
| Alliancebernstein L.P. | 0.00% | No change | 17,930 | $251K |
| Rangeley Capital, LLC | 0.29% | Reduce -64.0% | 17,810 | $249K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -70.1% | 17,165 | $240K |
| XTX Topco Ltd | 0.01% | New | 16,918 | $237K |
| Rhumbline Advisers | 0.00% | Add +4.2% | 15,432 | $216K |
| Barclays PLC | 0.00% | Reduce -29.5% | 13,283 | $186K |
| Bluefin Capital Management, LLC | 0.13% | — | 11,408 | $160K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -4.9% | 9,138 | $128K |
| Citigroup Inc. | 0.00% | Reduce -14.7% | 8,509 | $119K |
| MetLife Investment Management, LLC | 0.00% | No change | 7,683 | $107K |
| Bank of America Corp. | 0.00% | Reduce -38.4% | 7,661 | $107K |
| Deutsche Bank AG | 0.00% | Reduce -62.0% | 7,443 | $104K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.7% | 6,965 | $97K |
| Wells Fargo & Company | 0.00% | Add +2.0% | 6,781 | $95K |
| JPMorgan Chase & Co. | 0.00% | Reduce -15.7% | 6,397 | $89K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 5,681 | $79K |
| Group One Trading LLC | 0.00% | Add +2418.8% | 3,627 | $51K |
| New York State Common Retirement Fund | 0.00% | No change | 3,472 | $49K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 3,374 | $47K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -5.4% | 2,904 | $41K |
| State of Wyoming | 0.01% | Reduce -46.5% | 2,889 | $40K |
| Natixis | 0.00% | No change | 2,000 | $27K |
| STRS Ohio | 0.00% | No change | 1,900 | $27K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -12.6% | 1,571 | $22K |
| Legal & General Group Plc | 0.00% | No change | 1,045 | $15K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -10.1% | 869 | $12K |
| California State Teachers Retirement System | 0.00% | No change | 858 | $12K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 853 | $12K |
| BNP Paribas Financial Markets | 0.00% | Reduce -89.9% | 843 | $12K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +598.3% | 824 | $12K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +1.2% | 488 | $7K |
| GAMMA Investing LLC | 0.00% | Add +610.1% | 490 | $7K |
| Versant Capital Management, Inc | 0.00% | New | 396 | $6K |
| GF Fund Management Co. LTD. | 0.00% | Add +18.1% | 359 | $5K |
| Amalgamated Bank | 0.00% | No change | 362 | $5K |
| Royal Bank of Canada | 0.00% | Reduce -75.9% | 319 | $4K |
| FNY Investment Advisers, LLC | 0.00% | No change | 250 | $3K |
| Cwm, LLC | 0.00% | Reduce -33.7% | 161 | $2K |
| Sterling Capital Management LLC | 0.00% | Reduce -43.7% | 89 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -87.0% | 74 | $1K |
| Signaturefd, LLC | 0.00% | Reduce -67.2% | 42 | $588 |
| CoreCap Advisors, LLC | 0.00% | New | 18 | $252 |
| US Bancorp \de | 0.00% | Reduce -87.0% | 16 | $224 |
| True Wealth Design, LLC | 0.00% | Add +233.3% | 10 | $140 |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 6 | $84 |
| Jones Financial Companies LLLP | 0.00% | New | 4 | $56 |
| IFP Advisors, Inc | 0.00% | No change | 4 | $56 |
| Rothschild Investment LLC | 0.00% | Reduce -50.0% | 1 | $14 |
| Farther Finance Advisors, LLC | 0.00% | No change | 1 | $14 |
"% of holder's portfolio" is INBX's weight in each manager's 13F, not the share of Inhibrx Biosciences Inc. the manager owns.