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, Q2 2026
Institutional positions in Inhibrx Biosciences, Inc. as of Jun 30, 2026. 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
- 162
- +30 vs. Q1 2026
- Shares held
- 14.3M
- +1.62M (+12.8%) vs. Q1 2026
- Total value
- $1.36B
- +$503.3M (+58.9%) vs. Q1 2026
- New holders
- 51
- 56 more added
- Sold out
- 21
- 39 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 3 | $0 | 0.00% | +2+200.0% | Added |
| EverSource Wealth Advisors, LLC | 1 | $95 | 0.00% | −257−99.6% | Reduced |
| Larson Financial Group LLC | 1 | $95 | 0.00% | +1 | New |
| Essential Partners LLC | 2 | $190 | 0.00% | 00.0% | Unchanged |
| Silver Grove Financial Group, Inc. | 2 | $190 | 0.00% | +2 | New |
| Keating Financial Advisory Services, Inc. | 3 | $284 | 0.00% | +3 | New |
| Eastern Bank | 5 | $474 | 0.00% | +5 | New |
| Allworth Financial LP | 8 | $758 | 0.00% | +3+60.0% | Added |
| Bare Financial Services, Inc | 13 | $1.23K | 0.00% | +13 | New |
| Signaturefd, LLC | 15 | $1.42K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 17 | $1.61K | 0.00% | −21−55.3% | Reduced |
| Fifth Third Bancorp | 21 | $1.99K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 22 | $2.08K | 0.00% | +22 | New |
| Rothschild Investment LLC | 27 | $2.56K | 0.00% | +5+22.7% | Added |
| The PNC Financial Services Group, Inc. | 41 | $3.88K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 61 | $5.78K | 0.00% | −241−79.8% | Reduced |
| US Bancorp | 62 | $5.88K | 0.00% | −157−71.7% | Reduced |
| SRS Capital Advisors, Inc. | 73 | $6.92K | 0.00% | +73 | New |
| Advisor Group Holdings, Inc. | 78 | $7.39K | 0.00% | +8+11.4% | Added |
| Torren Management, LLC | 110 | $10.4K | 0.01% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 126 | $11.9K | 0.00% | +22+21.2% | Added |
| Versant Capital Management, Inc | 168 | $15.9K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 181 | $17.1K | 0.00% | +14+8.4% | Added |
| Pacer Advisors, Inc. | 186 | $18.0K | 0.00% | +186 | New |
| FNY Investment Advisers, LLC | 250 | $23.0K | 0.01% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 312 | $29.6K | 0.00% | −14−4.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 367 | $34.8K | 0.00% | +173+89.2% | Added |
| Royal Bank of Canada | 386 | $36.0K | 0.00% | +279+260.7% | Added |
| Tower Research Capital LLC (TRC) | 440 | $41.7K | 0.00% | −948−68.3% | Reduced |
| Optiver Holding B.V. | 576 | $54.6K | 0.00% | −386−40.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 656 | $62.2K | 0.00% | −103−13.6% | Reduced |
| Quantbot Technologies LP | 721 | $68.3K | 0.00% | +721 | New |
| Fulcrum Asset Management LLP | 818 | $78.1K | 0.01% | +818 | New |
| Ameritas Investment Partners, Inc. | 863 | $81.8K | 0.00% | +127+17.3% | Added |
| FMR LLC | 1,134 | $107.5K | 0.00% | −51,674−97.9% | Reduced |
| State of Wyoming | 1,227 | $116.3K | 0.01% | +1,227 | New |
| Simplex Trading, LLC | 1,598 | $151.4K | 0.00% | +1,598 | New |
| KLP Kapitalforvaltning AS | 1,600 | $151.6K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,045 | $193.8K | 0.00% | −981−32.4% | Reduced |
| Vanguard Investments Australia, Ltd. | 2,090 | $198.0K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 2,172 | $205.8K | 0.00% | +2,172 | New |
| Los Angeles Capital Management LLC | 2,188 | $207.3K | 0.00% | +2,090+2,132.7% | Added |
| State of New Jersey Common Pension Fund D | 2,243 | $212.5K | 0.00% | +2,243 | New |
| China Universal Asset Management Co., Ltd. | 2,335 | $221.2K | 0.01% | −246−9.5% | Reduced |
| Barclays PLC | 2,347 | $222.4K | 0.00% | +680+40.8% | Added |
| Harvest Management LLC | 2,600 | $246.3K | 0.11% | +2,600 | New |
| Police & Firemen's Retirement System of New Jersey | 2,660 | $252.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 2,818 | $267.0K | 0.00% | +2,818 | New |
| State of Wisconsin Investment Board | 2,946 | $279.1K | 0.00% | +2,946 | New |
| Nine Masts Capital Ltd | 3,000 | $284.3K | 0.03% | +3,000 | New |
| Group One Trading, L.P. | 3,129 | $296.5K | 0.01% | −1,674−34.9% | Reduced |
| FORA Capital, LLC | 3,177 | $300.6K | 0.02% | +3,177 | New |
| Jain Global LLC | 3,298 | $312.5K | 0.00% | +3,298 | New |
| Presidio Capital Management, LLC | 3,394 | $321.6K | 0.08% | 00.0% | Unchanged |
| Jupiter Topco LLC | 3,400 | $321.7K | 0.00% | +3,400 | New |
| NewEdge Wealth, LLC | 3,507 | $332.3K | 0.00% | +3,507 | New |
| Marble Bar Asset Management LLP | 3,537 | $335.1K | 0.23% | +3,537 | New |
| Legato Capital Management LLC | 3,542 | $335.6K | 0.03% | +3,542 | New |
| Virtus Investment Advisers, Inc. | 3,549 | $336.3K | 0.08% | +124+3.6% | Added |
| NBC Securities, Inc. | 3,900 | $369.5K | 0.03% | +100+2.6% | Added |
| Bridgeway Capital Management, LLC | 4,000 | $379.0K | 0.01% | −2,500−38.5% | Reduced |
| Macquarie Group Ltd | 4,000 | $379.0K | 0.00% | +4,000 | New |
| Manufacturers Life Insurance Company, The | 4,206 | $398.5K | 0.00% | −22−0.5% | Reduced |
| State Board of Administration of Florida Retirement System | 4,276 | $405.2K | 0.00% | +476+12.5% | Added |
| Mariner, LLC | 4,569 | $432.9K | 0.00% | +4,569 | New |
| Balyasny Asset Management LLC | 4,728 | $448.0K | 0.00% | +4,728 | New |
| Vanguard Asset Management, Ltd | 4,799 | $454.7K | 0.00% | 00.0% | Unchanged |
| Dynamic Advisor Solutions LLC | 4,824 | $457.1K | 0.01% | +4,824 | New |
| Persium Advisors, LLC | 4,875 | $461.9K | 0.30% | +4,875 | New |
| Legal & General Group Plc | 5,138 | $486.8K | 0.00% | +129+2.6% | Added |
| JPMorgan Chase & Co | 5,260 | $502.3K | 0.00% | +328+6.7% | Added |
| Qube Research & Technologies Ltd | 5,378 | $509.6K | 0.00% | +5,378 | New |
| ExodusPoint Capital Management, LP | 5,612 | $531.7K | 0.00% | −25,368−81.9% | Reduced |
| Profund Advisors LLC | 5,620 | $532.5K | 0.01% | −1,412−20.1% | Reduced |
| MetLife Investment Management | 5,638 | $534.2K | 0.00% | +398+7.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 5,675 | $538.7K | 0.00% | +327+6.1% | Added |
| Cannon Global Investment Management, LLC | 5,900 | $559.0K | 1.68% | +5,900 | New |
| Platinum Investment Management Ltd | 6,146 | $582.3K | 0.14% | +6,146 | New |
| New York State Common Retirement Fund | 6,326 | $599.4K | 0.00% | +2,854+82.2% | Added |
| Creative Planning | 6,514 | $617.2K | 0.00% | −104−1.6% | Reduced |
| Squarepoint Ops LLC | 6,543 | $619.9K | 0.00% | −9,096−58.2% | Reduced |
| Alliancebernstein L.P. | 9,650 | $648.8K | 0.00% | +700+7.8% | Added |
| Vanguard Global Advisers, LLC | 7,402 | $701.3K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 7,649 | $724.7K | 0.01% | +7,649 | New |
| California State Teachers Retirement System | 7,747 | $734.0K | 0.00% | +7,256+1,477.8% | Added |
| Price T Rowe Associates Inc | 7,812 | $741.0K | 0.00% | +800+11.4% | Added |
| Nomura Holdings Inc | 8,000 | $758.0K | 0.00% | +8,000 | New |
| Meridian Wealth Advisors, LLC | 8,500 | $805.4K | 0.09% | −2,000−19.0% | Reduced |
| Marshall Wace, LLP | 8,800 | $833.8K | 0.00% | −12,088−57.9% | Reduced |
| Ethic Inc. | 9,345 | $885.4K | 0.01% | −143−1.5% | Reduced |
| Wells Fargo & Company | 9,563 | $906.1K | 0.00% | +5,625+142.8% | Added |
| Deutsche Bank AG | 9,579 | $907.6K | 0.00% | +2,128+28.6% | Added |
| Janney Montgomery Scott LLC | 9,787 | $927.0K | 0.00% | +3,381+52.8% | Added |
| Toroso Investments, LLC | 10,170 | $963.6K | 0.00% | +10,170 | New |
| Tema ETFs LLC | 10,170 | $963.6K | 0.03% | +10,170 | New |
| Rafferty Asset Management, LLC | 11,148 | $1.06M | 0.00% | −4,613−29.3% | Reduced |
| AQR Capital Management LLC | 11,247 | $1.07M | 0.00% | +2,867+34.2% | Added |
| Rhumbline Advisers | 12,056 | $1.14M | 0.00% | +623+5.4% | Added |
| SG Americas Securities, LLC | 12,466 | $1.18M | 0.00% | +12,466 | New |
| Franklin Resources Inc | 13,343 | $1.26M | 0.00% | −20,864−61.0% | Reduced |