Skip to main content

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, Q2 2021

Institutional positions in Inhibrx Biosciences, Inc. as of Jun 30, 2021. 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
61
+6 vs. Q1 2021
Shares held
19.6M
+3.32M (+20.4%) vs. Q1 2021
Total value
$538.8M
+$212.4M (+65.1%) vs. Q1 2021
New holders
14
28 more added
Sold out
8
8 more reduced

Compare with Q1 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 holdersQ2 2021: 61 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 heldQ2 2021: $538.8M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Inhibrx Biosciences, Inc.; share changes are against Q1 2021.

Institutions holding INBX in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Viking Global Investors LPSuperinvestorViking Global Investors5,305,866$146.0M0.44%00.0%Unchanged
Wellington Management Group LLP2,146,195$59.1M0.01%+169,714+8.6%Added
BlackRock Inc.1,497,173$41.2M0.00%+897,465+149.7%Added
FMR LLC1,461,471$40.2M0.00%−103,511−6.6%Reduced
ArrowMark Colorado Holdings LLC1,444,830$39.8M0.30%−87,957−5.7%Reduced
Capital World Investors1,200,000$33.0M0.01%00.0%Unchanged
Tybourne Capital Management (HK) Ltd1,100,000$30.3M0.64%00.0%Unchanged
Perceptive Advisors LLC907,090$25.0M0.32%+907,090New
Farallon Capital Management, L.L.C.569,328$15.7M0.08%−30,672−5.1%Reduced
Vanguard Group Inc494,849$13.6M0.00%+107,957+27.9%Added
State Street Corp429,227$11.8M0.00%+269,220+168.3%Added
Geode Capital Management, LLC319,841$8.80M0.00%+169,371+112.6%Added
Millennium Management LLC317,401$8.73M0.01%+234,383+282.3%Added
Northern Trust Corp245,837$6.77M0.00%+149,977+156.5%Added
Soleus Capital Management, L.P.242,789$6.68M1.03%−158,704−39.5%Reduced
Darwin Global Management, Ltd.225,480$6.21M1.00%+175,771+353.6%Added
Sphera Funds Management Ltd.189,083$5.20M0.50%+74,440+64.9%Added
Platinum Investment Management Ltd155,401$4.28M0.10%00.0%Unchanged
Wetherby Asset Management Inc137,223$3.78M0.23%+137,223New
Meridian Wealth Advisors, LLC122,315$3.37M0.95%+122,315New
Russell Investments Group, Ltd.115,450$3.18M0.01%+115,450New
Nuveen Asset Management, LLC96,580$2.66M0.00%+66,960+226.1%Added
Charles Schwab Investment Management Inc90,448$2.49M0.00%+38,950+75.6%Added
Deutsche Bank AG71,100$1.96M0.00%+65,660+1,207.0%Added
Victory Capital Management Inc69,330$1.91M0.00%−4,420−6.0%Reduced
Bank of New York Mellon Corp60,160$1.66M0.00%+32,462+117.2%Added
Goldman Sachs Group Inc51,582$1.42M0.00%+8,998+21.1%Added
California State Teachers Retirement System38,485$1.06M0.00%+26,193+213.1%Added
State of Wisconsin Investment Board35,014$964.0K0.00%+35,014New
Parametric Portfolio Associates LLC34,777$957.0K0.00%+817+2.4%Added
Jacobs Levy Equity Management, Inc32,664$899.0K0.01%+2,243+7.4%Added
JPMorgan Chase & Co29,781$820.0K0.00%+11,084+59.3%Added
Morgan Stanley26,334$724.0K0.00%−8,894−25.2%Reduced
Alliancebernstein L.P.23,976$660.0K0.00%+23,976New
New York State Common Retirement Fund23,963$659.0K0.00%+16,663+228.3%Added
Rhumbline Advisers21,977$605.0K0.00%+21,977New
Swiss National Bank21,300$586.0K0.00%00.0%Unchanged
Proficio Capital Partners LLC20,000$550.0K0.07%00.0%Unchanged
Alaethes Wealth LLC19,341$532.0K0.41%−10,000−34.1%Reduced
Manufacturers Life Insurance Company, The16,574$456.0K0.00%+16,574New
Maven Securities LTD15,800$439.0K0.05%+15,800New
American International Group, Inc.15,642$430.0K0.00%+10,905+230.2%Added
Marshall Wace, LLP12,078$332.0K0.00%+12,078New
Creative Planning12,000$330.0K0.00%00.0%Unchanged
M&T Bank Corp11,598$319.0K0.00%00.0%Unchanged
MetLife Investment Management11,523$317.1K0.00%+11,523New
Wells Fargo & Company11,497$316.0K0.00%+1,314+12.9%Added
Voya Investment Management LLC11,154$307.0K0.00%+11,154New
Advisor Group Holdings, Inc.10,670$294.0K0.00%+6,970+188.4%Added
Virtus ETF Advisers LLC9,153$252.0K0.10%+1,885+25.9%Added
Metropolitan Life Insurance Co8,822$242.8K0.00%+8,822New
Invesco Ltd.8,501$234.0K0.00%+8,501New
Ikarian Capital, LLC8,076$222.0K0.04%00.0%Unchanged
Bank of America Corp7,792$214.0K0.00%+401+5.4%Added
Legal & General Group Plc3,628$100.0K0.00%+2,094+136.5%Added
Royal Bank of Canada2,316$65.0K0.00%+1,178+103.5%Added
Ameritas Investment Partners, Inc.2,189$60.0K0.00%+1,508+221.4%Added
STRS Ohio2,000$55.0K0.00%00.0%Unchanged
Citigroup Inc1,503$41.0K0.00%+866+135.9%Added
Tower Research Capital LLC (TRC)893$25.0K0.00%−295−24.8%Reduced
Great West Life Assurance Co662$18.0K0.00%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich0$00.00%−140,566−100.0%Sold out
Janus Henderson Group PLC0$00.00%−70,839−100.0%Sold out
Two Sigma Investments, LP0$00.00%−17,688−100.0%Sold out
California Public Employees Retirement System0$00.00%−14,971−100.0%Sold out
Jefferies Group LLC0$00.00%−13,000−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−10,500−100.0%Sold out
UBS Group AG0$00.00%−2,522−100.0%Sold out
Bank of Montreal0$00.00%−392−100.0%Sold out