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, Q3 2023
Institutional positions in Inhibrx Biosciences, Inc. as of Sep 30, 2023. 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
- 111
- +4 vs. Q2 2023
- Shares held
- 39.0M
- +3.00M (+8.3%) vs. Q2 2023
- Total value
- $716.1M
- −$219.0M (−23.4%) vs. Q2 2023
- New holders
- 13
- 42 more added
- Sold out
- 9
- 36 more reduced
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Viking Global Investors LPSuperinvestorViking Global Investors | 7,150,826 | $131.2M | 0.53% | +511,627+7.7% | Added |
| Ra Capital Management, L.P. | 4,724,207 | $86.7M | 1.71% | +870,340+22.6% | Added |
| Perceptive Advisors LLC | 4,256,104 | $78.1M | 2.63% | +631,922+17.4% | Added |
| BlackRock Inc. | 2,539,773 | $46.6M | 0.00% | −6,830−0.3% | Reduced |
| Vanguard Group Inc | 1,789,811 | $32.8M | 0.00% | +18,271+1.0% | Added |
| TCG Crossover Management, LLC | 1,750,387 | $32.1M | 4.73% | +1,750,387 | New |
| State Street Corp | 1,616,771 | $29.7M | 0.00% | −200,645−11.0% | Reduced |
| Woodline Partners LP | 1,524,915 | $28.0M | 0.33% | 00.0% | Unchanged |
| FMR LLC | 1,517,595 | $27.8M | 0.00% | −254,137−14.3% | Reduced |
| Capital Research Global Investors | 1,221,721 | $22.4M | 0.01% | −530,192−30.3% | Reduced |
| Loomis Sayles & Co L P | 1,116,484 | $20.5M | 0.04% | −34,847−3.0% | Reduced |
| ArrowMark Colorado Holdings LLC | 965,996 | $17.7M | 0.22% | +7,116+0.7% | Added |
| Sofinnova Investments, Inc. | 743,294 | $13.6M | 0.95% | −254,989−25.5% | Reduced |
| Geode Capital Management, LLC | 646,159 | $11.9M | 0.00% | −12,864−2.0% | Reduced |
| Soleus Capital Management, L.P. | 549,183 | $10.1M | 1.02% | +76,000+16.1% | Added |
| Russell Investments Group, Ltd. | 459,056 | $8.42M | 0.02% | +33,515+7.9% | Added |
| Eventide Asset Management, LLC | 434,026 | $7.96M | 0.14% | +434,026 | New |
| Morgan Stanley | 382,770 | $7.02M | 0.00% | −1,885−0.5% | Reduced |
| JPMorgan Chase & Co | 369,985 | $6.79M | 0.00% | +3,088+0.8% | Added |
| Northern Trust Corp | 315,418 | $5.79M | 0.00% | −13,579−4.1% | Reduced |
| Two Sigma Advisers, LP | 310,200 | $5.69M | 0.01% | +17,200+5.9% | Added |
| PFM Health Sciences, LP | 288,617 | $5.30M | 0.25% | +160,914+126.0% | Added |
| Sphera Funds Management Ltd. | 256,371 | $4.70M | 1.13% | +206,371+412.7% | Added |
| Citadel Advisors LLC | 242,810 | $4.46M | 0.00% | +175,999+263.4% | Added |
| Schroder Investment Management Group | 237,443 | $4.36M | 0.01% | −83,946−26.1% | Reduced |
| Platinum Investment Management Ltd | 229,036 | $4.20M | 0.16% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 212,104 | $3.89M | 0.00% | −34,024−13.8% | Reduced |
| Two Sigma Investments, LP | 207,670 | $3.81M | 0.01% | −52,750−20.3% | Reduced |
| Wellington Management Group LLP | 174,899 | $3.21M | 0.00% | +34,310+24.4% | Added |
| Goldman Sachs Group Inc | 159,469 | $2.93M | 0.00% | −90,948−36.3% | Reduced |
| Candriam Luxembourg S.C.A. | 155,069 | $2.85M | 0.02% | −32,000−17.1% | Reduced |
| Wetherby Asset Management Inc | 136,328 | $2.50M | 0.14% | −95−0.1% | Reduced |
| HighTower Advisors, LLC | 131,900 | $2.42M | 0.00% | 00.0% | Unchanged |
| Meridian Wealth Advisors, LLC | 122,315 | $2.24M | 0.56% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 115,828 | $2.13M | 0.01% | −16,456−12.4% | Reduced |
| Bank of America Corp | 115,749 | $2.12M | 0.00% | +12,906+12.5% | Added |
| Bank of New York Mellon Corp | 114,388 | $2.10M | 0.00% | −908−0.8% | Reduced |
| Marshall Wace, LLP | 103,243 | $1.89M | 0.00% | +91,550+782.9% | Added |
| Alliancebernstein L.P. | 91,529 | $1.68M | 0.00% | +46,092+101.4% | Added |
| Nuveen Asset Management, LLC | 89,263 | $1.64M | 0.00% | −274−0.3% | Reduced |
| Walleye Capital LLC | 70,850 | $1.30M | 0.02% | +37,744+114.0% | Added |
| Birchview Capital, LP | 70,448 | $1.29M | 1.10% | 00.0% | Unchanged |
| Barclays PLC | 63,177 | $1.15M | 0.00% | −5,357−7.8% | Reduced |
| Swiss National Bank | 57,600 | $1.06M | 0.00% | +1,200+2.1% | Added |
| Ensign Peak Advisors, Inc | 56,173 | $1.03M | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 52,882 | $970.4K | 0.00% | +23,481+79.9% | Added |
| Citigroup Inc | 49,244 | $903.6K | 0.00% | +1,611+3.4% | Added |
| Rhumbline Advisers | 48,825 | $895.9K | 0.00% | −1,344−2.7% | Reduced |
| Bellevue Group AG | 48,800 | $895.5K | 0.01% | 00.0% | Unchanged |
| Wells Fargo & Company | 43,165 | $792.1K | 0.00% | −3,700−7.9% | Reduced |
| Jane Street Group, LLC | 42,315 | $776.5K | 0.00% | −1,736−3.9% | Reduced |
| UBS Group AG | 38,003 | $697.4K | 0.00% | +36,192+1,998.5% | Added |
| Ghost Tree Capital, LLC | 35,000 | $642.3K | 0.31% | 00.0% | Unchanged |
| UBS Oconnor LLC | 33,448 | $613.8K | 0.01% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 33,095 | $607.3K | 0.00% | +19,635+145.9% | Added |
| Millennium Management LLC | 32,328 | $593.2K | 0.00% | −148,020−82.1% | Reduced |
| UBS Asset Management Americas Inc | 32,217 | $591.2K | 0.00% | +32,217 | New |
| HRT Financial LP | 31,084 | $570.0K | 0.01% | +31,084 | New |
| California State Teachers Retirement System | 30,704 | $563.4K | 0.00% | −3,733−10.8% | Reduced |
| Susquehanna International Group, LLP | 28,953 | $531.3K | 0.00% | +3,304+12.9% | Added |
| M&T Bank Corp | 28,506 | $523.5K | 0.00% | +102+0.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 27,731 | $508.9K | 0.03% | +13,098+89.5% | Added |
| DekaBank Deutsche Girozentrale | 26,400 | $472.0K | 0.00% | 00.0% | Unchanged |
| Velan Capital Investment Management LP | 25,000 | $458.8K | 0.37% | 00.0% | Unchanged |
| Credit Suisse AG | 22,909 | $420.4K | 0.00% | −6,494−22.1% | Reduced |
| Legal & General Group Plc | 22,161 | $406.7K | 0.00% | −262−1.2% | Reduced |
| Tudor Investment Corp Et Al | 21,710 | $398.4K | 0.01% | +21,710 | New |
| Profund Advisors LLC | 19,746 | $362.3K | 0.02% | −4,409−18.3% | Reduced |
| Alaethes Wealth LLC | 19,341 | $354.9K | 0.19% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 19,163 | $351.6K | 0.00% | −755−3.8% | Reduced |
| Invesco Ltd. | 19,010 | $348.8K | 0.00% | −40,124−67.9% | Reduced |
| MetLife Investment Management | 18,194 | $333.9K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 17,140 | $314.5K | 0.00% | +610+3.7% | Added |
| XTX Topco Ltd | 16,368 | $300.4K | 0.05% | +16,368 | New |
| Deutsche Bank AG | 16,224 | $297.7K | 0.00% | +2,156+15.3% | Added |
| Advisor Group Holdings, Inc. | 15,260 | $280.0K | 0.00% | +7,180+88.9% | Added |
| RS Crum Inc. | 14,659 | $269.0K | 0.10% | 00.0% | Unchanged |
| LMR Partners LLP | 14,458 | $265.3K | 0.01% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 13,959 | $256.1K | 0.00% | +115+0.8% | Added |
| Voya Investment Management LLC | 13,865 | $254.4K | 0.00% | +227+1.7% | Added |
| Manufacturers Life Insurance Company, The | 13,668 | $250.8K | 0.00% | +15+0.1% | Added |
| Prelude Capital Management, LLC | 13,221 | $242.6K | 0.02% | +13,221 | New |
| Balyasny Asset Management LLC | 12,861 | $236.0K | 0.00% | +12,861 | New |
| Price T Rowe Associates Inc | 12,714 | $234.0K | 0.00% | +703+5.9% | Added |
| Fox Run Management, L.L.C. | 12,621 | $231.6K | 0.07% | +12,621 | New |
| Creative Planning | 12,180 | $223.5K | 0.00% | +180+1.5% | Added |
| Janus Henderson Group PLC | 11,375 | $208.7K | 0.00% | +15+0.1% | Added |
| ExodusPoint Capital Management, LP | 10,958 | $201.0K | 0.00% | +10,958 | New |
| Principal Financial Group Inc | 10,771 | $197.6K | 0.00% | +428+4.1% | Added |
| Voloridge Investment Management, LLC | 10,710 | $196.5K | 0.00% | +10,710 | New |
| Erste Asset Management GmbH | 8,700 | $158.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 5,906 | $108.4K | 0.00% | +3,471+142.5% | Added |
| Royal Bank of Canada | 5,181 | $95.0K | 0.00% | +1,821+54.2% | Added |
| Exchange Traded Concepts, LLC | 5,005 | $91.8K | 0.00% | −160−3.1% | Reduced |
| Amalgamated Bank | 4,600 | $84.0K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 3,678 | $67.5K | 0.04% | −366−9.1% | Reduced |
| Ameritas Investment Partners, Inc. | 3,412 | $62.6K | 0.00% | +805+30.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,058 | $56.1K | 0.00% | −10.0% | Reduced |
| Metropolitan Life Insurance Co | 1,950 | $35.8K | 0.00% | +140+7.7% | Added |
| Group One Trading, L.P. | 1,600 | $29.4K | 0.00% | +1,003+168.0% | Added |