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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, Q1 2021

Institutional positions in Inhibrx Biosciences, Inc. as of Mar 31, 2021. 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
55
No complete 13F data for Q4 2020
Shares held
16.3M
No complete 13F data for Q4 2020
Total value
$326.3M
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 55 institutions
Q1 2021: 55 institutionsQ2 2021: 61 institutionsQ3 2021: 66 institutionsQ4 2021: 101 institutionsQ1 2022: 99 institutionsQ2 2022: 100 institutionsQ3 2022: 102 institutionsQ4 2022: 116 institutionsQ1 2023: 108 institutionsQ2 2023: 107 institutionsQ3 2023: 111 institutionsQ4 2023: 126 institutionsQ1 2024: 126 institutionsQ2 2024: 88 institutionsQ3 2024: 96 institutionsQ4 2024: 101 institutionsQ1 2025: 92 institutionsQ2 2025: 89 institutionsQ3 2025: 102 institutionsQ4 2025: 138 institutionsQ1 2026: 135 institutionsQ2 2026: 162 institutions
Value heldQ1 2021: $326.3M
Q1 2021: $326.3MQ2 2021: $538.8MQ3 2021: $681.6MQ4 2021: $1.01BQ1 2022: $548.0MQ2 2022: $297.3MQ3 2022: $512.2MQ4 2022: $886.0MQ1 2023: $691.6MQ2 2023: $935.2MQ3 2023: $716.1MQ4 2023: $1.54BQ1 2024: $1.34BQ2 2024: $137.9MQ3 2024: $139.3MQ4 2024: $171.9MQ1 2025: $151.0MQ2 2025: $148.9MQ3 2025: $353.6MQ4 2025: $1.01BQ1 2026: $854.6MQ2 2026: $1.36B
Institutions holding INBX and their total value by quarter
QuarterHoldersValue
Q2 2026162$1.36B
Q1 2026135$854.6M
Q4 2025138$1.01B
Q3 2025102$353.6M
Q2 202589$148.9M
Q1 202592$151.0M
Q4 2024101$171.9M
Q3 202496$139.3M
Q2 202488$137.9M
Q1 2024126$1.34B
Q4 2023126$1.54B
Q3 2023111$716.1M
Q2 2023107$935.2M
Q1 2023108$691.6M
Q4 2022116$886.0M
Q3 2022102$512.2M
Q2 2022100$297.3M
Q1 202299$548.0M
Q4 2021101$1.01B
Q3 202166$681.6M
Q2 202161$538.8M
Q1 202155$326.3M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding INBX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Viking Global Investors LPSuperinvestorViking Global Investors5,305,866$106.5M0.32%––
Wellington Management Group LLP1,976,481$39.7M0.01%––
FMR LLC1,564,982$31.4M0.00%––
ArrowMark Colorado Holdings LLC1,532,787$30.8M0.23%––
Capital World Investors1,200,000$24.1M0.00%––
Tybourne Capital Management (HK) Ltd1,100,000$22.1M0.48%––
Farallon Capital Management, L.L.C.600,000$12.0M0.06%––
BlackRock Inc.599,708$12.0M0.00%––
Soleus Capital Management, L.P.401,493$8.06M1.45%––
Vanguard Group Inc386,892$7.76M0.00%––
State Street Corp160,007$3.21M0.00%––
Platinum Investment Management Ltd155,401$3.12M0.07%––
Geode Capital Management, LLC150,470$3.02M0.00%––
Bank Julius Baer & Co. Ltd, Zurich140,566$2.82M0.02%––
Sphera Funds Management Ltd.114,643$2.30M0.21%––
Northern Trust Corp95,860$1.92M0.00%––
Millennium Management LLC83,018$1.67M0.00%––
Victory Capital Management Inc73,750$1.48M0.00%––
Janus Henderson Group PLC70,839$1.42M0.00%––
Charles Schwab Investment Management Inc51,498$1.03M0.00%––
Darwin Global Management, Ltd.49,709$998.0K0.20%––
Goldman Sachs Group Inc42,584$855.0K0.00%––
Morgan Stanley35,228$707.0K0.00%––
Parametric Portfolio Associates LLC33,960$682.0K0.00%––
Jacobs Levy Equity Management, Inc30,421$611.0K0.00%––
Nuveen Asset Management, LLC29,620$595.0K0.00%––
Alaethes Wealth LLC29,341$589.0K0.55%––
Bank of New York Mellon Corp27,698$556.0K0.00%––
Swiss National Bank21,300$427.0K0.00%––
Proficio Capital Partners LLC20,000$401.0K0.05%––
JPMorgan Chase & Co18,697$375.0K0.00%––
Two Sigma Investments, LP17,688$355.0K0.00%––
California Public Employees Retirement System14,971$300.0K0.00%––
Jefferies Group LLC13,000$260.9K0.01%––
California State Teachers Retirement System12,292$247.0K0.00%––
Creative Planning12,000$241.0K0.00%––
M&T Bank Corp11,598$233.0K0.00%––
Two Sigma Advisers, LP10,500$211.0K0.00%––
Wells Fargo & Company10,183$205.0K0.00%––
Ikarian Capital, LLC8,076$161.0K0.02%––
Bank of America Corp7,391$148.0K0.00%––
New York State Common Retirement Fund7,300$147.0K0.00%––
Virtus ETF Advisers LLC7,268$146.0K0.06%––
Deutsche Bank AG5,440$109.0K0.00%––
American International Group, Inc.4,737$95.0K0.00%––
Advisor Group Holdings, Inc.3,700$74.0K0.00%––
UBS Group AG2,522$51.0K0.00%––
STRS Ohio2,000$40.0K0.00%––
Legal & General Group Plc1,534$31.0K0.00%––
Tower Research Capital LLC (TRC)1,188$24.0K0.00%––
Royal Bank of Canada1,138$23.0K0.00%––
Ameritas Investment Partners, Inc.681$14.0K0.00%––
Citigroup Inc637$13.0K0.00%––
Great West Life Assurance Co662$13.0K0.00%––
Bank of Montreal392$8.00K0.00%––