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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 2025

Institutional positions in Inhibrx Biosciences, Inc. as of Mar 31, 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
92
−6 vs. Q4 2024
Shares held
10.8M
−243.7K (−2.2%) vs. Q4 2024
Total value
$151.0M
−$19.0M (−11.2%) vs. Q4 2024
New holders
9
18 more added
Sold out
15
36 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 92 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 2025: $151.0M
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 2025

Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q4 2024.

Institutions holding INBX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Rothschild Investment LLC1$140.00%−1−50.0%Reduced
Farther Finance Advisors, LLC1$140.00%00.0%Unchanged
IFP Advisors, Inc4$560.00%00.0%Unchanged
Jones Financial Companies LLLP4$560.00%+4New
EverSource Wealth Advisors, LLC6$840.00%00.0%Unchanged
True Wealth Design, LLC10$1400.00%+7+233.3%Added
US Bancorp16$2240.00%−107−87.0%Reduced
CoreCap Advisors, LLC18$2520.00%+18New
Signaturefd, LLC42$5880.00%−86−67.2%Reduced
Nisa Investment Advisors, LLC74$1.03K0.00%−494−87.0%Reduced
Sterling Capital Management LLC89$1.25K0.00%−69−43.7%Reduced
CWM, LLC161$2.00K0.00%−82−33.7%Reduced
FNY Investment Advisers, LLC250$3.00K0.00%00.0%Unchanged
Royal Bank of Canada319$4.00K0.00%−1,007−75.9%Reduced
Amalgamated Bank362$5.00K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.359$5.02K0.00%+55+18.1%Added
Versant Capital Management, Inc396$5.54K0.00%+396New
GAMMA Investing LLC490$6.86K0.00%+421+610.1%Added
Mirae Asset Global Investments Co., Ltd.488$6.89K0.00%+6+1.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)824$11.5K0.00%+706+598.3%Added
BNP Paribas Arbitrage, SA843$11.8K0.00%−7,483−89.9%Reduced
Ameritas Investment Partners, Inc.853$11.9K0.00%00.0%Unchanged
California State Teachers Retirement System858$12.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)869$12.2K0.00%−98−10.1%Reduced
Legal & General Group Plc1,045$14.6K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,571$22.0K0.00%−227−12.6%Reduced
STRS Ohio1,900$26.6K0.00%00.0%Unchanged
Natixis2,000$27.5K0.00%00.0%Unchanged
State of Wyoming2,889$40.4K0.01%−2,513−46.5%Reduced
China Universal Asset Management Co., Ltd.2,904$40.6K0.00%−165−5.4%Reduced
Police & Firemen's Retirement System of New Jersey3,374$47.2K0.00%00.0%Unchanged
New York State Common Retirement Fund3,472$48.6K0.00%00.0%Unchanged
Group One Trading, L.P.3,627$50.7K0.00%+3,483+2,418.8%Added
Corebridge Financial, Inc.5,681$79.5K0.00%−84−1.5%Reduced
JPMorgan Chase & Co6,397$89.5K0.00%−1,195−15.7%Reduced
Wells Fargo & Company6,781$94.9K0.00%+134+2.0%Added
Mirae Asset Global ETFs Holdings Ltd.6,965$97.4K0.00%+312+4.7%Added
Deutsche Bank AG7,443$104.1K0.00%−12,166−62.0%Reduced
Bank of America Corp7,661$107.2K0.00%−4,769−38.4%Reduced
MetLife Investment Management7,683$107.5K0.00%00.0%Unchanged
Citigroup Inc8,509$119.0K0.00%−1,464−14.7%Reduced
Exchange Traded Concepts, LLC9,138$127.8K0.00%−470−4.9%Reduced
Bluefin Capital Management, LLC11,408$159.6K0.13%+11,408New
Barclays PLC13,283$185.8K0.00%−5,558−29.5%Reduced
Rhumbline Advisers15,432$215.9K0.00%+625+4.2%Added
XTX Topco Ltd16,918$236.7K0.01%+16,918New
Goldman Sachs Group Inc17,165$240.1K0.00%−40,282−70.1%Reduced
Rangeley Capital, LLC17,810$249.2K0.29%−31,591−63.9%Reduced
Alliancebernstein L.P.17,930$250.8K0.00%00.0%Unchanged
Mariner, LLC18,667$261.2K0.00%+18,667New
CI Private Wealth, LLC20,455$286.2K0.00%−37−0.2%Reduced
JBF Capital, Inc.20,949$293.1K0.06%00.0%Unchanged
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management22,584$316.0K0.01%00.0%Unchanged
Meridian Wealth Advisors, LLC25,000$349.8K0.06%00.0%Unchanged
Nuveen, LLC25,021$350.0K0.00%+25,021New
Jane Street Group, LLC26,300$367.9K0.00%−62,119−70.3%Reduced
Russell Investments Group, Ltd.27,030$378.1K0.00%−27,315−50.3%Reduced
UBS Group AG27,468$384.3K0.00%+9,711+54.7%Added
Arbiter Partners Capital Management LLC28,095$393.0K0.48%00.0%Unchanged
Boothbay Fund Management, LLC28,230$394.9K0.01%00.0%Unchanged
Birchview Capital, LP32,110$449.2K0.39%00.0%Unchanged
Charles Schwab Investment Management Inc32,657$456.9K0.00%00.0%Unchanged
Murchinson Ltd.33,790$472.7K0.08%00.0%Unchanged
Yakira Capital Management, Inc.36,195$506.4K0.21%00.0%Unchanged
Morgan Stanley36,900$516.2K0.00%−2,815−7.1%Reduced
FMR LLC37,347$522.5K0.00%−1,409−3.6%Reduced
Alpha Wealth Funds, LLC38,647$540.7K0.59%−39,286−50.4%Reduced
Ikarian Capital, LLC42,122$589.3K0.19%00.0%Unchanged
Qube Research & Technologies Ltd47,907$670.2K0.00%−43,314−47.5%Reduced
Bank of New York Mellon Corp52,800$738.7K0.00%+1,355+2.6%Added
Susquehanna International Group, LLP52,873$739.7K0.00%−19,579−27.0%Reduced
Credit Industriel Et Commercial64,217$898.4K0.16%00.0%Unchanged
Groupe la Francaise75,932$1.06M0.02%+75,932New
Northern Trust Corp116,513$1.63M0.00%+409+0.4%Added
ArrowMark Colorado Holdings LLC139,682$1.95M0.03%−21,217−13.2%Reduced
Schonfeld Strategic Advisors LLC144,178$2.02M0.01%00.0%Unchanged
Kennedy Capital Management, Inc.164,976$2.31M0.06%−705−0.4%Reduced
State Street Corp172,904$2.42M0.00%−3,473−2.0%Reduced
Acadian Asset Management LLC192,498$2.69M0.01%+49,023+34.2%Added
Caption Management, LLC199,508$2.79M0.13%−390−0.2%Reduced
Millennium Management LLC255,336$3.57M0.00%−3,052−1.2%Reduced
Geode Capital Management, LLC260,029$3.64M0.00%+4,896+1.9%Added
Slotnik Capital, LLC286,962$4.01M1.99%−101,038−26.0%Reduced
Woodline Partners LP358,436$5.01M0.03%+358,436New
PFM Health Sciences, LP439,283$6.15M0.47%+303,737+224.1%Added
Vanguard Group Inc588,323$8.23M0.00%−19,398−3.2%Reduced
Sofinnova Investments, Inc.697,916$9.76M0.74%+170,726+32.4%Added
BlackRock, Inc.832,732$11.6M0.00%+925+0.1%Added
HighTower Advisors, LLC871,754$12.2M0.02%+90,002+11.5%Added
Perceptive Advisors LLC1,064,026$14.9M0.53%00.0%Unchanged
Sanofi1,157,926$16.2M9.76%00.0%Unchanged
Viking Global Investors LPSuperinvestorViking Global Investors1,787,705$25.0M0.08%00.0%Unchanged
Walleye Capital LLC0$00.00%−579,999−100.0%Sold out
Castalian Partners, LLC0$00.00%−191,533−100.0%Sold out
Marshall Wace, LLP0$00.00%−53,586−100.0%Sold out
CSS LLC0$00.00%−51,712−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−33,747−100.0%Sold out
Pekin Hardy Strauss, Inc.0$00.00%−17,750−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−1,751−100.0%Sold out
Simplex Trading, LLC0$00.00%−1,147−100.0%Sold out