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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 6 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
Bank of Montreal392$8.00K0.00%––
Citigroup Inc637$13.0K0.00%––
Great West Life Assurance Co662$13.0K0.00%––
Ameritas Investment Partners, Inc.681$14.0K0.00%––
Royal Bank of Canada1,138$23.0K0.00%––
Tower Research Capital LLC (TRC)1,188$24.0K0.00%––
Legal & General Group Plc1,534$31.0K0.00%––
STRS Ohio2,000$40.0K0.00%––
UBS Group AG2,522$51.0K0.00%––
Advisor Group Holdings, Inc.3,700$74.0K0.00%––
American International Group, Inc.4,737$95.0K0.00%––
Deutsche Bank AG5,440$109.0K0.00%––
Virtus ETF Advisers LLC7,268$146.0K0.06%––
New York State Common Retirement Fund7,300$147.0K0.00%––
Bank of America Corp7,391$148.0K0.00%––
Ikarian Capital, LLC8,076$161.0K0.02%––
Wells Fargo & Company10,183$205.0K0.00%––
Two Sigma Advisers, LP10,500$211.0K0.00%––
M&T Bank Corp11,598$233.0K0.00%––
Creative Planning12,000$241.0K0.00%––
California State Teachers Retirement System12,292$247.0K0.00%––
Jefferies Group LLC13,000$260.9K0.01%––
California Public Employees Retirement System14,971$300.0K0.00%––
Two Sigma Investments, LP17,688$355.0K0.00%––
JPMorgan Chase & Co18,697$375.0K0.00%––
Proficio Capital Partners LLC20,000$401.0K0.05%––
Swiss National Bank21,300$427.0K0.00%––
Bank of New York Mellon Corp27,698$556.0K0.00%––
Alaethes Wealth LLC29,341$589.0K0.55%––
Nuveen Asset Management, LLC29,620$595.0K0.00%––
Jacobs Levy Equity Management, Inc30,421$611.0K0.00%––
Parametric Portfolio Associates LLC33,960$682.0K0.00%––
Morgan Stanley35,228$707.0K0.00%––
Goldman Sachs Group Inc42,584$855.0K0.00%––
Darwin Global Management, Ltd.49,709$998.0K0.20%––
Charles Schwab Investment Management Inc51,498$1.03M0.00%––
Janus Henderson Group PLC70,839$1.42M0.00%––
Victory Capital Management Inc73,750$1.48M0.00%––
Millennium Management LLC83,018$1.67M0.00%––
Northern Trust Corp95,860$1.92M0.00%––
Sphera Funds Management Ltd.114,643$2.30M0.21%––
Bank Julius Baer & Co. Ltd, Zurich140,566$2.82M0.02%––
Geode Capital Management, LLC150,470$3.02M0.00%––
Platinum Investment Management Ltd155,401$3.12M0.07%––
State Street Corp160,007$3.21M0.00%––
Vanguard Group Inc386,892$7.76M0.00%––
Soleus Capital Management, L.P.401,493$8.06M1.45%––
BlackRock Inc.599,708$12.0M0.00%––
Farallon Capital Management, L.L.C.600,000$12.0M0.06%––
Tybourne Capital Management (HK) Ltd1,100,000$22.1M0.48%––
Capital World Investors1,200,000$24.1M0.00%––
ArrowMark Colorado Holdings LLC1,532,787$30.8M0.23%––
FMR LLC1,564,982$31.4M0.00%––
Wellington Management Group LLP1,976,481$39.7M0.01%––
Viking Global Investors LPSuperinvestorViking Global Investors5,305,866$106.5M0.32%––