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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 2022

Institutional positions in Inhibrx Biosciences, Inc. as of Sep 30, 2022. 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
102
+2 vs. Q2 2022
Shares held
28.5M
+2.37M (+9.0%) vs. Q2 2022
Total value
$512.2M
+$214.9M (+72.3%) vs. Q2 2022
New holders
14
46 more added
Sold out
12
27 more reduced

Compare with Q2 2022: 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 2022: 102 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 2022: $512.2M
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 2022

Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q2 2022.

Institutions holding INBX in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Viking Global Investors LPSuperinvestorViking Global Investors5,305,866$95.2M0.44%00.0%Unchanged
Perceptive Advisors LLC2,887,860$51.8M1.51%+973,268+50.8%Added
BlackRock Inc.2,190,518$39.3M0.00%+213,407+10.8%Added
State Street Corp2,040,054$36.6M0.00%+1,506,986+282.7%Added
FMR LLC1,759,455$31.6M0.00%+314,813+21.8%Added
Vanguard Group Inc1,467,918$26.3M0.00%+111,802+8.2%Added
ArrowMark Colorado Holdings LLC1,339,027$24.0M0.29%−73,209−5.2%Reduced
MPM Oncology Impact Management LP1,279,995$23.0M5.44%+256,670+25.1%Added
Loomis Sayles & Co L P1,024,744$18.4M0.04%−11,551−1.1%Reduced
Wellington Management Group LLP1,012,740$18.2M0.00%+590,536+139.9%Added
Tybourne Capital Management (HK) Ltd645,815$11.6M1.11%−148,867−18.7%Reduced
Geode Capital Management, LLC496,807$8.92M0.00%+63,688+14.7%Added
Millennium Management LLC496,426$8.91M0.01%−450,605−47.6%Reduced
Schroder Investment Management Group464,290$8.33M0.01%+182,961+65.0%Added
Point72 Asset Management, L.P.457,100$8.21M0.04%−242,000−34.6%Reduced
Sofinnova Investments, Inc.450,177$8.08M0.51%+302,242+204.3%Added
Soleus Capital Management, L.P.363,902$6.53M0.89%+363,902New
Russell Investments Group, Ltd.340,604$6.11M0.01%+86,492+34.0%Added
Opaleye Management Inc.292,700$5.25M2.17%−297,300−50.4%Reduced
Candriam Luxembourg S.C.A.287,069$5.15M0.04%−65,000−18.5%Reduced
Northern Trust Corp276,191$4.96M0.00%+16,012+6.2%Added
Charles Schwab Investment Management Inc221,566$3.98M0.00%+53,336+31.7%Added
Two Sigma Investments, LP163,489$2.94M0.01%+39,264+31.6%Added
Morgan Stanley161,033$2.89M0.00%+20,682+14.7%Added
Goldman Sachs Group Inc155,304$2.79M0.00%+74,857+93.1%Added
Two Sigma Advisers, LP149,800$2.69M0.01%+105,600+238.9%Added
Platinum Investment Management Ltd146,210$2.62M0.11%−13,889−8.7%Reduced
Wetherby Asset Management Inc137,328$2.46M0.17%00.0%Unchanged
Rafferty Asset Management, LLC132,999$2.39M0.03%+132,999New
HighTower Advisors, LLC131,900$2.37M0.01%+121,900+1,219.0%Added
Bank of America Corp127,890$2.30M0.00%+116,255+999.2%Added
Meridian Wealth Advisors, LLC122,315$2.20M0.62%00.0%Unchanged
Citigroup Inc121,461$2.18M0.00%+118,361+3,818.1%Added
Nuveen Asset Management, LLC114,916$2.06M0.00%−491−0.4%Reduced
Walleye Capital LLC109,816$1.97M0.04%+41,678+61.2%Added
Woodline Partners LP103,097$1.85M0.03%+103,097New
Bank of New York Mellon Corp96,949$1.74M0.00%+14,202+17.2%Added
Barclays PLC87,078$1.52M0.00%+83,981+2,711.7%Added
Victory Capital Management Inc76,860$1.38M0.00%−12,200−13.7%Reduced
Cubist Systematic Strategies, LLC76,825$1.38M0.01%+16,429+27.2%Added
UBS Oconnor LLC71,297$1.28M0.01%−13,753−16.2%Reduced
Birchview Capital, LP70,448$1.26M0.89%00.0%Unchanged
D. E. Shaw & Co., Inc.69,719$1.25M0.00%−51,293−42.4%Reduced
Los Angeles Capital Management LLC61,030$1.09M0.01%+61,030New
Swiss National Bank55,500$996.0K0.00%+1,900+3.5%Added
Citadel Advisors LLC54,014$969.0K0.00%+9,482+21.3%Added
Adage Capital Partners GP, L.L.C.50,000$898.0K0.00%+50,000New
BNP Paribas Arbitrage, SA49,318$885.3K0.00%+49,318New
Susquehanna International Group, LLP44,967$807.0K0.00%+13,810+44.3%Added
Bellevue Group AG43,500$781.0K0.01%−33,100−43.2%Reduced
Rhumbline Advisers35,543$638.0K0.00%+2,699+8.2%Added
Alliancebernstein L.P.35,200$632.0K0.00%−161,202−82.1%Reduced
California State Teachers Retirement System31,678$569.0K0.00%−87−0.3%Reduced
JPMorgan Chase & Co28,823$517.0K0.00%+3,488+13.8%Added
M&T Bank Corp27,068$486.0K0.00%−6,104−18.4%Reduced
DekaBank Deutsche Girozentrale26,400$452.0K0.00%00.0%Unchanged
State of Wisconsin Investment Board23,372$420.0K0.00%+10,079+75.8%Added
New York Life Investment Management LLC22,589$405.0K0.00%+1,658+7.9%Added
Tudor Investment Corp Et Al20,358$365.0K0.01%+1,467+7.8%Added
New York State Common Retirement Fund20,157$362.0K0.00%−1,506−7.0%Reduced
Credit Suisse AG19,926$358.0K0.00%+7,966+66.6%Added
Alaethes Wealth LLC19,341$347.0K0.26%00.0%Unchanged
UBS Group AG17,795$319.0K0.00%+17,795New
MetLife Investment Management17,227$309.2K0.00%00.0%Unchanged
Trexquant Investment LP16,912$304.0K0.01%+180+1.1%Added
RS Crum Inc.14,659$263.0K0.14%+14,659New
Squarepoint Ops LLC14,567$261.0K0.00%−62,708−81.1%Reduced
LMR Partners LLP14,458$260.0K0.01%00.0%Unchanged
Invesco Ltd.14,407$259.0K0.00%+2,930+25.5%Added
Deutsche Bank AG13,887$250.0K0.00%−651−4.5%Reduced
American International Group, Inc.13,859$249.0K0.00%+195+1.4%Added
Man Group plc13,301$239.0K0.00%+13,301New
Walleye Trading LLC12,980$233.0K0.01%+12,980New
Connacht Asset Management LP12,952$232.0K0.44%−1,555−10.7%Reduced
Mirae Asset Global Investments Co., Ltd.12,548$226.0K0.00%+12,548New
Virtus ETF Advisers LLC12,263$220.0K0.09%+91+0.7%Added
Manufacturers Life Insurance Company, The12,211$219.2K0.00%−459−3.6%Reduced
Creative Planning12,000$215.0K0.00%00.0%Unchanged
Voya Investment Management LLC11,773$211.3K0.00%+843+7.7%Added
Lido Advisors, LLC11,549$207.0K0.00%−1,148−9.0%Reduced
State Board of Administration of Florida Retirement System10,688$192.0K0.00%00.0%Unchanged
Jump Financial, LLC10,650$191.0K0.01%−20,613−65.9%Reduced
Legal & General Group Plc9,622$173.0K0.00%+1,239+14.8%Added
Advisor Group Holdings, Inc.8,845$159.0K0.00%−200−2.2%Reduced
Wells Fargo & Company8,818$158.0K0.00%+1,591+22.0%Added
Erste Asset Management GmbH8,700$152.2K0.00%00.0%Unchanged
Ensign Peak Advisors, Inc6,260$112.0K0.00%+3,340+114.4%Added
SG Americas Securities, LLC6,159$111.0K0.00%+6,159New
Tower Research Capital LLC (TRC)5,653$101.0K0.00%+1,115+24.6%Added
Amalgamated Bank4,617$83.0K0.00%+71+1.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)3,704$66.0K0.00%+2,989+418.0%Added
Nisa Investment Advisors, LLC2,346$47.0K0.00%+2,026+633.1%Added
Ameritas Investment Partners, Inc.2,189$39.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co2,082$37.4K0.00%00.0%Unchanged
Royal Bank of Canada740$13.0K0.00%+191+34.8%Added
Great West Life Assurance Co662$12.0K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.365$7.00K0.00%+365New
Allspring Global Investments Holdings, LLC204$3.00K0.00%−189−48.1%Reduced
US Bancorp123$2.00K0.00%−19−13.4%Reduced
Daiwa Securities Group Inc.111$2.00K0.00%00.0%Unchanged