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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, Q2 2025

Institutional positions in Inhibrx Biosciences, Inc. as of Jun 30, 2025. 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
89
−3 vs. Q1 2025
Shares held
10.4M
−354.7K (−3.3%) vs. Q1 2025
Total value
$148.9M
−$2.03M (−1.3%) vs. Q1 2025
New holders
10
22 more added
Sold out
13
35 more reduced

Compare with Q1 2025: 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.

Institutional holdersQ2 2025: 89 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 heldQ2 2025: $148.9M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q1 2025.

Institutions holding INBX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Farther Finance Advisors, LLC1$140.00%00.0%Unchanged
Signaturefd, LLC2$290.00%−40−95.2%Reduced
Essential Partners LLC2$290.00%+2New
True Wealth Design, LLC4$580.00%−6−60.0%Reduced
Nisa Investment Advisors, LLC11$1570.00%−63−85.1%Reduced
Rothschild Investment LLC20$2850.00%+19+1,900.0%Added
EverSource Wealth Advisors, LLC22$3140.00%+16+266.7%Added
The PNC Financial Services Group, Inc.31$4420.00%−1,540−98.0%Reduced
Advisor Group Holdings, Inc.84$1.20K0.00%+84New
CWM, LLC125$2.00K0.00%−36−22.4%Reduced
IFP Advisors, Inc0$2.14K0.00%−4−100.0%Reduced
GAMMA Investing LLC155$2.21K0.00%−335−68.4%Reduced
Versant Capital Management, Inc168$2.40K0.00%−228−57.6%Reduced
FNY Investment Advisers, LLC250$3.00K0.00%00.0%Unchanged
Sterling Capital Management LLC245$3.50K0.00%+156+175.3%Added
Amalgamated Bank362$5.00K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.359$5.12K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.559$7.98K0.00%+71+14.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)737$10.5K0.00%−87−10.6%Reduced
Legal & General Group Plc768$11.0K0.00%−277−26.5%Reduced
Ameritas Investment Partners, Inc.853$12.2K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA1,097$15.7K0.00%+254+30.1%Added
Royal Bank of Canada1,395$20.0K0.00%+1,076+337.3%Added
Natixis2,000$28.5K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,216$31.6K0.00%+1,347+155.0%Added
China Universal Asset Management Co., Ltd.2,907$41.5K0.00%+3+0.1%Added
Citigroup Inc3,332$47.5K0.00%−5,177−60.8%Reduced
Police & Firemen's Retirement System of New Jersey3,374$48.1K0.00%00.0%Unchanged
New York State Common Retirement Fund3,472$49.5K0.00%00.0%Unchanged
Deutsche Bank AG4,684$66.8K0.00%−2,759−37.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.4,954$70.7K0.00%−2,011−28.9%Reduced
JPMorgan Chase & Co5,308$75.7K0.00%−1,089−17.0%Reduced
Wells Fargo & Company6,466$92.3K0.00%−315−4.6%Reduced
MetLife Investment Management7,683$109.6K0.00%00.0%Unchanged
Bank of America Corp9,130$130.3K0.00%+1,469+19.2%Added
Goldman Sachs Group Inc11,089$158.2K0.00%−6,076−35.4%Reduced
Mariner, LLC11,954$170.6K0.00%−6,713−36.0%Reduced
Invesco Ltd.13,492$192.5K0.00%+13,492New
Rhumbline Advisers14,334$204.5K0.00%−1,098−7.1%Reduced
Ethic Inc.15,739$227.1K0.00%+15,739New
Bridgeway Capital Management, LLC16,500$235.5K0.01%+16,500New
Mark Asset Management LP17,000$243.0K0.03%+17,000New
Barclays PLC17,164$244.9K0.00%+3,881+29.2%Added
Jane Street Group, LLC19,373$276.5K0.00%−6,927−26.3%Reduced
Arbiter Partners Capital Management LLC19,759$282.0K0.25%−8,336−29.7%Reduced
HRT Financial LP19,783$282.0K0.00%+19,783New
Qube Research & Technologies Ltd19,886$283.8K0.00%−28,021−58.5%Reduced
Alliancebernstein L.P.20,420$291.4K0.00%+2,490+13.9%Added
CI Private Wealth, LLC20,455$291.9K0.00%00.0%Unchanged
JBF Capital, Inc.20,949$298.9K0.05%00.0%Unchanged
Yakira Capital Management, Inc.21,118$301.4K0.11%−15,077−41.7%Reduced
Nuveen, LLC21,214$302.7K0.00%−3,807−15.2%Reduced
Franklin Resources Inc22,170$316.4K0.00%+22,170New
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management22,584$322.3K0.01%00.0%Unchanged
Susquehanna International Group, LLP23,073$329.3K0.00%−29,800−56.4%Reduced
Meridian Wealth Advisors, LLC25,000$356.8K0.06%00.0%Unchanged
Readystate Asset Management LP26,834$382.9K0.02%+26,834New
Charles Schwab Investment Management Inc27,793$396.6K0.00%−4,864−14.9%Reduced
Morgan Stanley27,808$396.8K0.00%−9,092−24.6%Reduced
Boothbay Fund Management, LLC28,230$402.8K0.01%00.0%Unchanged
Russell Investments Group, Ltd.29,993$428.0K0.00%+2,963+11.0%Added
Birchview Capital, LP32,110$458.2K0.46%00.0%Unchanged
Murchinson Ltd.33,790$482.2K0.26%00.0%Unchanged
ArrowMark Colorado Holdings LLC36,206$516.7K0.01%−103,476−74.1%Reduced
FMR LLC39,071$557.5K0.00%+1,724+4.6%Added
Wetherby Asset Management Inc40,656$580.2K0.03%+40,656New
Ikarian Capital, LLC42,122$601.1K0.20%00.0%Unchanged
UBS Group AG45,984$656.2K0.00%+18,516+67.4%Added
Bank of New York Mellon Corp50,478$720.3K0.00%−2,322−4.4%Reduced
Credit Industriel Et Commercial64,217$916.4K0.15%00.0%Unchanged
Groupe la Francaise75,932$1.08M0.02%00.0%Unchanged
Northern Trust Corp97,685$1.39M0.00%−18,828−16.2%Reduced
Acadian Asset Management LLC120,124$1.71M0.00%−72,374−37.6%Reduced
Schonfeld Strategic Advisors LLC154,790$2.21M0.02%+10,612+7.4%Added
Kennedy Capital Management, Inc.177,318$2.53M0.06%+12,342+7.5%Added
Slotnik Capital, LLC184,171$2.63M1.06%−102,791−35.8%Reduced
Caption Management, LLC199,508$2.85M0.26%00.0%Unchanged
State Street Corp204,959$2.92M0.00%+32,055+18.5%Added
Geode Capital Management, LLC225,955$3.23M0.00%−34,074−13.1%Reduced
PFM Health Sciences, LP244,261$3.49M0.30%−195,022−44.4%Reduced
Millennium Management LLC275,778$3.94M0.00%+20,442+8.0%Added
Vanguard Group Inc598,448$8.54M0.00%+10,125+1.7%Added
Woodline Partners LP662,868$9.46M0.05%+304,432+84.9%Added
Sofinnova Investments, Inc.708,678$10.1M0.69%+10,762+1.5%Added
BlackRock, Inc.728,744$10.4M0.00%−103,988−12.5%Reduced
HighTower Advisors, LLC871,759$12.4M0.02%+50.0%Added
Perceptive Advisors LLC977,892$14.0M0.52%−86,134−8.1%Reduced
Sanofi1,157,926$16.5M9.40%00.0%Unchanged
Viking Global Investors LPSuperinvestorViking Global Investors1,787,705$25.5M0.07%00.0%Unchanged
Alpha Wealth Funds, LLC0$00.00%−38,647−100.0%Sold out
Rangeley Capital, LLC0$00.00%−17,810−100.0%Sold out
XTX Topco Ltd0$00.00%−16,918−100.0%Sold out
Bluefin Capital Management, LLC0$00.00%−11,408−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−9,138−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−5,681−100.0%Sold out
Group One Trading, L.P.0$00.00%−3,627−100.0%Sold out
State of Wyoming0$00.00%−2,889−100.0%Sold out
STRS Ohio0$00.00%−1,900−100.0%Sold out
California State Teachers Retirement System0$00.00%−858−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−18−100.0%Sold out