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