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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, Q3 2024

Institutional positions in Inhibrx Biosciences, Inc. as of Sep 30, 2024. 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
96
+10 vs. Q2 2024
Shares held
8.90M
−103.2K (−1.1%) vs. Q2 2024
Total value
$139.3M
+$11.1M (+8.7%) vs. Q2 2024
New holders
22
34 more added
Sold out
12
19 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 96 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 heldQ3 2024: $139.3M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q2 2024.

Institutions holding INBX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bessemer Group Inc12$00.00%+12New
Rothschild Investment LLC2$310.00%−1−33.3%Reduced
Farther Finance Advisors, LLC2$310.00%00.0%Unchanged
Quest Partners LLC3$470.00%00.0%Unchanged
EverSource Wealth Advisors, LLC6$940.00%00.0%Unchanged
Sterling Capital Management LLC6$940.00%+6New
SRS Capital Advisors, Inc.10$1570.00%00.0%Unchanged
Lindbrook Capital, LLC17$2660.00%00.0%Unchanged
True Wealth Design, LLC47$7370.00%+47New
Capital Performance Advisors LLP61$9550.00%+61New
FNY Investment Advisers, LLC125$1.00K0.00%+125New
Advisor Group Holdings, Inc.85$1.33K0.00%−6,685−98.7%Reduced
Huntington National Bank90$1.41K0.00%+90New
Zurcher Kantonalbank (Zurich Cantonalbank)118$1.85K0.00%00.0%Unchanged
Deutsche Bank AG122$1.91K0.00%00.0%Unchanged
Group One Trading, L.P.144$2.25K0.00%00.0%Unchanged
GAMMA Investing LLC145$2.27K0.00%+143+7,150.0%Added
Quadrant Capital Group LLC171$2.68K0.00%00.0%Unchanged
Signaturefd, LLC186$2.91K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC324$5.07K0.00%+324New
Amalgamated Bank362$6.00K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC511$8.00K0.00%+261+104.4%Added
CWM, LLC549$9.00K0.00%+549New
Larson Financial Group LLC581$9.10K0.00%+581New
Ameritas Investment Partners, Inc.853$13.4K0.00%00.0%Unchanged
California State Teachers Retirement System858$13.4K0.00%+99+13.0%Added
Tower Research Capital LLC (TRC)893$14.0K0.00%−2,009−69.2%Reduced
The PNC Financial Services Group, Inc.946$14.8K0.00%+163+20.8%Added
Legal & General Group Plc1,045$16.4K0.00%−3,026−74.3%Reduced
Covestor Ltd1,666$26.0K0.02%+1,666New
Royal Bank of Canada1,882$29.0K0.00%+801+74.1%Added
STRS Ohio1,900$29.8K0.00%00.0%Unchanged
Natixis2,000$31.3K0.00%00.0%Unchanged
Simplex Trading, LLC2,150$33.0K0.00%+2,150New
Erste Asset Management GmbH2,175$33.8K0.00%00.0%Unchanged
US Bancorp2,298$36.0K0.00%+2,175+1,768.3%Added
New York State Common Retirement Fund3,472$54.4K0.00%−10.0%Reduced
Wells Fargo & Company4,952$77.5K0.00%+431+9.5%Added
JPMorgan Chase & Co5,135$80.4K0.00%−39,130−88.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.5,697$89.2K0.00%+819+16.8%Added
MetLife Investment Management5,857$91.7K0.00%+1,034+21.4%Added
UBS Group AG6,041$94.6K0.00%+2,836+88.5%Added
Corebridge Financial, Inc.6,201$97.1K0.00%+569+10.1%Added
BNP Paribas Arbitrage, SA7,783$121.9K0.00%+6,678+604.3%Added
Citigroup Inc9,300$145.6K0.00%+5,108+121.9%Added
Bank of America Corp10,154$159.0K0.00%+243+2.5%Added
Alps Advisors Inc10,952$171.5K0.00%−324−2.9%Reduced
AQR Capital Management LLC13,012$203.8K0.00%+13,012New
Rhumbline Advisers13,810$216.3K0.00%−349−2.5%Reduced
CI Private Wealth, LLC13,825$216.5K0.00%+13,825New
Barclays PLC16,055$251.4K0.00%+12,476+348.6%Added
Alliancebernstein L.P.17,930$280.8K0.00%−1,280−6.7%Reduced
Bluefin Capital Management, LLC18,475$289.3K0.12%−14,800−44.5%Reduced
Jacobs Levy Equity Management, Inc20,469$320.5K0.00%+20,469New
JBF Capital, Inc.20,949$328.1K0.05%00.0%Unchanged
Squarepoint Ops LLC21,066$329.9K0.00%+21,066New
Goldman Sachs Group Inc21,762$340.8K0.00%+21,762New
Renaissance Technologies LLC25,100$393.1K0.00%+25,100New
Pekin Hardy Strauss, Inc.25,550$400.1K0.05%+25,550New
Bank of New York Mellon Corp25,733$403.0K0.00%−5,593−17.9%Reduced
Arbiter Partners Capital Management LLC28,095$440.0K0.87%+28,095New
Boothbay Fund Management, LLC28,231$442.1K0.01%−52,881−65.2%Reduced
Birchview Capital, LP32,110$502.8K0.44%+20,000+165.2%Added
Charles Schwab Investment Management Inc32,657$511.4K0.00%+5,885+22.0%Added
Wetherby Asset Management Inc32,682$511.8K0.02%00.0%Unchanged
Murchinson Ltd.33,790$529.2K0.22%+16,420+94.5%Added
FMR LLC35,514$556.1K0.00%+7,285+25.8%Added
Yakira Capital Management, Inc.36,195$566.8K0.22%+36,195New
Nuveen Asset Management, LLC40,871$640.0K0.00%+20,166+97.4%Added
Gsa Capital Partners LLP41,525$650.0K0.05%+18,293+78.7%Added
Ikarian Capital, LLC42,123$659.6K0.20%−187,877−81.7%Reduced
Acadian Asset Management LLC54,092$846.0K0.00%+54,092New
Russell Investments Group, Ltd.84,111$1.32M0.00%+13,547+19.2%Added
Marshall Wace, LLP90,647$1.42M0.00%−106,853−54.1%Reduced
CSS LLC93,125$1.46M0.08%−17,526−15.8%Reduced
Jane Street Group, LLC98,006$1.53M0.00%−4,755−4.6%Reduced
Susquehanna International Group, LLP99,369$1.56M0.00%−28,131−22.1%Reduced
Qube Research & Technologies Ltd109,941$1.72M0.00%−31,459−22.2%Reduced
Northern Trust Corp113,009$1.77M0.00%+38,941+52.6%Added
HighTower Advisors, LLC122,500$1.92M0.00%+15,000+14.0%Added
PFM Health Sciences, LP135,546$2.12M0.12%00.0%Unchanged
Schonfeld Strategic Advisors LLC144,178$2.26M0.02%+68,198+89.8%Added
ArrowMark Colorado Holdings LLC157,047$2.46M0.03%+4,888+3.2%Added
State Street Corp160,179$2.51M0.00%+11,593+7.8%Added
Kennedy Capital Management, Inc.166,072$2.60M0.06%+1,101+0.7%Added
Caption Management, LLC199,998$3.13M0.34%00.0%Unchanged
Morgan Stanley239,240$3.75M0.00%+3,324+1.4%Added
Geode Capital Management, LLC251,219$3.93M0.00%+40,902+19.4%Added
Millennium Management LLC289,361$4.53M0.00%−13,835−4.6%Reduced
Slotnik Capital, LLC369,354$5.78M2.03%+27,749+8.1%Added
Vanguard Group Inc530,058$8.30M0.00%+52,030+10.9%Added
Sofinnova Investments, Inc.536,068$8.39M0.69%+72,753+15.7%Added
Walleye Capital LLC549,999$8.61M0.09%+75,000+15.8%Added
BlackRock, Inc.717,153$11.2M0.00%+717,153New
Perceptive Advisors LLC1,064,026$16.7M0.36%00.0%Unchanged
Viking Global Investors LPSuperinvestorViking Global Investors1,787,705$28.0M0.10%00.0%Unchanged
Alpine Associates Management Inc.0$00.00%−305,967−100.0%Sold out
TIG Advisors, LLC0$00.00%−243,650−100.0%Sold out
Tang Capital Management LLC0$00.00%−167,500−100.0%Sold out
MMCAP International Inc. SPC0$00.00%−112,858−100.0%Sold out