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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, Q1 2022

Institutional positions in Inhibrx Biosciences, Inc. as of Mar 31, 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
99
−2 vs. Q4 2021
Shares held
24.6M
+1.35M (+5.8%) vs. Q4 2021
Total value
$548.0M
−$467.0M (−46.0%) vs. Q4 2021
New holders
16
40 more added
Sold out
18
28 more reduced

Compare with Q4 2021: 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 2022: 99 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 2022: $548.0M
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 2022

Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q4 2021.

Institutions holding INBX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Viking Global Investors LPSuperinvestorViking Global Investors5,305,866$118.2M0.48%00.0%Unchanged
BlackRock Inc.1,902,147$42.4M0.00%+7,680+0.4%Added
Perceptive Advisors LLC1,781,235$39.7M0.82%+437,745+32.6%Added
Capital World Investors1,631,547$36.4M0.01%00.0%Unchanged
State Street Corp1,596,095$35.6M0.00%+686,587+75.5%Added
FMR LLC1,445,861$32.2M0.00%+26,500+1.9%Added
ArrowMark Colorado Holdings LLC1,289,473$28.7M0.25%+21,713+1.7%Added
Vanguard Group Inc1,218,113$27.1M0.00%+11,365+0.9%Added
Adage Capital Partners GP, L.L.C.1,154,348$25.7M0.05%+500,000+76.4%Added
Loomis Sayles & Co L P1,040,415$23.2M0.03%+1,040,415New
Tybourne Capital Management (HK) Ltd794,682$17.7M1.05%−233,621−22.7%Reduced
Sofinnova Investments, Inc.514,640$11.5M0.96%+145,961+39.6%Added
Geode Capital Management, LLC450,440$10.0M0.00%+20,558+4.8%Added
Tri Locum Partners LP406,733$9.06M3.54%+193,559+90.8%Added
Morgan Stanley284,419$6.34M0.00%+228,052+404.6%Added
Schroder Investment Management Group275,566$6.16M0.01%+158,397+135.2%Added
Candriam Luxembourg S.C.A.267,437$5.96M0.04%−107,889−28.7%Reduced
Northern Trust Corp254,178$5.66M0.00%−7,051−2.7%Reduced
Russell Investments Group, Ltd.164,775$3.67M0.01%−93,806−36.3%Reduced
Charles Schwab Investment Management Inc164,530$3.67M0.00%+3,620+2.2%Added
Ikarian Capital, LLC157,842$3.52M1.07%+7,992+5.3%Added
Goldman Sachs Group Inc144,479$3.22M0.00%+22,413+18.4%Added
Citadel Advisors LLC141,465$3.15M0.00%+131,778+1,360.4%Added
Wetherby Asset Management Inc137,223$3.06M0.18%00.0%Unchanged
Sio Capital Management, LLC124,250$2.77M1.12%+124,250New
Meridian Wealth Advisors, LLC122,315$2.73M0.63%00.0%Unchanged
Wellington Management Group LLP118,506$2.64M0.00%−1,381,018−92.1%Reduced
Walleye Capital LLC110,532$2.46M0.07%+54,999+99.0%Added
Alliancebernstein L.P.102,716$2.29M0.00%−8,313−7.5%Reduced
Victory Capital Management Inc99,951$2.16M0.00%+16,998+20.5%Added
Rafferty Asset Management, LLC95,034$2.12M0.01%+56,121+144.2%Added
Platinum Investment Management Ltd86,929$1.94M0.06%00.0%Unchanged
Bank of New York Mellon Corp86,174$1.92M0.00%+1,017+1.2%Added
Nuveen Asset Management, LLC83,019$1.90M0.00%+1,019+1.2%Added
Deutsche Bank AG69,821$1.56M0.00%−3,528−4.8%Reduced
Bank of America Corp58,368$1.30M0.00%+11,977+25.8%Added
Two Sigma Investments, LP57,773$1.29M0.00%+57,773New
Birchview Capital, LP50,448$1.12M0.81%+10,448+26.1%Added
Bellevue Group AG49,700$1.11M0.01%−800−1.6%Reduced
State of Wisconsin Investment Board36,000$802.0K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.35,996$802.0K0.00%+22,187+160.7%Added
UBS Group AG32,343$721.0K0.00%−4,615−12.5%Reduced
Susquehanna International Group, LLP32,149$716.0K0.00%−12,647−28.2%Reduced
Voloridge Investment Management, LLC31,466$701.0K0.00%+31,466New
Parametric Portfolio Associates LLC29,630$660.0K0.00%−10,629−26.4%Reduced
Rhumbline Advisers28,409$633.0K0.00%+3,299+13.1%Added
Vident Investment Advisory, LLC26,940$600.0K0.02%+4,490+20.0%Added
DekaBank Deutsche Girozentrale26,400$590.0K0.00%+2,400+10.0%Added
JPMorgan Chase & Co23,614$527.0K0.00%−37,702−61.5%Reduced
Jump Financial, LLC22,800$508.0K0.02%+7,700+51.0%Added
Swiss National Bank22,500$501.0K0.00%+1,200+5.6%Added
California State Teachers Retirement System20,480$456.0K0.00%−2,678−11.6%Reduced
New York State Common Retirement Fund20,130$448.0K0.00%+30.0%Added
Alaethes Wealth LLC19,341$431.0K0.27%00.0%Unchanged
IndexIQ Advisors LLC17,231$384.0K0.01%+17,231New
MetLife Investment Management17,227$383.8K0.00%+5,704+49.5%Added
Citigroup Inc16,926$377.0K0.00%−20,179−54.4%Reduced
Two Sigma Advisers, LP16,600$370.0K0.00%+16,600New
Tudor Investment Corp Et Al15,950$355.0K0.01%+15,950New
Boothbay Fund Management, LLC15,247$340.0K0.01%00.0%Unchanged
RS Crum Inc.14,659$327.0K0.19%+14,659New
Cubist Systematic Strategies, LLC14,500$323.0K0.00%+4,200+40.8%Added
American International Group, Inc.13,859$309.0K0.00%−976−6.6%Reduced
Jacobs Levy Equity Management, Inc12,805$285.0K0.00%−1,934−13.1%Reduced
Wells Fargo & Company12,337$275.0K0.00%−10,417−45.8%Reduced
Connacht Asset Management LP12,361$275.0K0.41%+5,266+74.2%Added
Creative Planning12,000$267.0K0.00%00.0%Unchanged
M&T Bank Corp11,743$262.0K0.00%+975+9.1%Added
Manufacturers Life Insurance Company, The11,736$261.5K0.00%−2,841−19.5%Reduced
Squarepoint Ops LLC11,518$257.0K0.00%+11,518New
Invesco Ltd.11,358$253.0K0.00%−40,838−78.2%Reduced
Nisa Investment Advisors, LLC11,120$248.0K0.00%+10,120+1,012.0%Added
Voya Investment Management LLC10,930$244.0K0.00%00.0%Unchanged
HighTower Advisors, LLC10,000$223.0K0.00%+10,000New
Advisor Group Holdings, Inc.9,570$213.0K0.00%+300+3.2%Added
ProShare Advisors LLC9,273$206.0K0.00%−2,168−18.9%Reduced
Graham Capital Management, L.P.9,135$203.0K0.01%+9,135New
Erste Asset Management GmbH8,700$194.4K0.00%+8,700New
Legal & General Group Plc5,491$122.0K0.00%−9−0.2%Reduced
Barclays PLC4,578$102.0K0.00%+4,578New
Amalgamated Bank4,545$101.0K0.00%−383−7.8%Reduced
Amalgamated Financial Corp.4,545$101.0K0.00%+4,545New
Allspring Global Investments Holdings, LLC4,158$92.0K0.00%+611+17.2%Added
Virtus ETF Advisers LLC3,968$88.0K0.04%−232−5.5%Reduced
Quantbot Technologies LP3,100$69.0K0.01%+1,900+158.3%Added
Ensign Peak Advisors, Inc2,920$65.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.2,189$49.0K0.00%00.0%Unchanged
Royal Bank of Canada2,100$47.0K0.00%−4,053−65.9%Reduced
Metropolitan Life Insurance Co2,082$46.4K0.00%−5,704−73.3%Reduced
Tower Research Capital LLC (TRC)1,360$30.0K0.00%−808−37.3%Reduced
Point72 Hong Kong Ltd1,131$25.0K0.00%+576+103.8%Added
Great West Life Assurance Co662$16.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)715$16.0K0.00%+715New
Leonteq Securities AG360$8.02K0.00%00.0%Unchanged
Simplex Trading, LLC167$3.00K0.00%−11,023−98.5%Reduced
Daiwa Securities Group Inc.111$2.00K0.00%00.0%Unchanged
Signaturefd, LLC85$2.00K0.00%+16+23.2%Added
Lindbrook Capital, LLC78$2.00K0.00%+78New
Covestor Ltd9$00.00%−2−18.2%Reduced
Darwin Global Management, Ltd.0$00.00%−591,975−100.0%Sold out