Inhibrx BiosciencesINBX

13F holders, Q2 2025 (June 30)
88holders −4
8new positions
13sold out
2famous investors
$14.27avg. 13F price*

At the end of Q2 2025, 88 institutions reported holding Inhibrx Biosciences Inc. (INBX) in their 13F filings, down 4 from Q1 2025. 8 opened new positions and 13 sold out. The largest holders were Viking Global Investors ($25.5M), Sanofi ($16.5M) and Perceptive Advisors LLC ($14.0M). 2 famous investors held it, including Andreas Halvorsen (0.1% of Viking Global Investors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Inhibrx Biosciences Inc.
CUSIP
45720N103
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q2 2024: 86Q2 2024Q3 2024: 96Q3 2024Q4 2024: 101Q4 2024Q1 2025: 92Q1 2025Q2 2025: 88Q2 2025Q3 2025: 102Q3 2025Q4 2025: 138Q4 2025Q1 2026: 135Q1 2026Q2 2026: 162Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions8$1.9M
Exits13$1.5M

All 13F filers, Q1 2025 → Q2 2025: 566,362 shares bought and 961,701 shares sold, net −395,339 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 88 holders

Viking Global Investors 0.07% No change 1,787,705 $25.5M
Sanofi 9.40% No change 1,157,926 $16.5M
Perceptive Advisors LLC 0.52% Reduce -8.1% 977,892 $14.0M
HighTower Advisors, LLC 0.02% Add +0.0% 871,759 $12.4M
BlackRock, Inc. 0.00% Reduce -12.5% 728,744 $10.4M
Sofinnova Investments, Inc. 0.69% Add +1.5% 708,678 $10.1M
Woodline Partners LP 0.05% Add +84.9% 662,868 $9.5M
Vanguard Group Inc. 0.00% Add +1.7% 598,448 $8.5M
Millennium Management 0.00% Add +8.0% 275,778 $3.9M
PFM Health Sciences, LP 0.31% Reduce -44.4% 244,261 $3.5M
Geode Capital Management, LLC 0.00% Reduce -13.1% 225,955 $3.2M
State Street Corp. 0.00% Add +18.5% 204,959 $2.9M
Caption Management, LLC 0.26% No change 199,508 $2.8M
Slotnik Capital, LLC 1.06% Reduce -35.8% 184,171 $2.6M
Kennedy Capital Management LLC 0.06% Add +7.5% 177,318 $2.5M
Schonfeld Strategic Advisors LLC 0.02% Add +7.4% 154,790 $2.2M
Acadian Asset Management LLC 0.00% Reduce -37.6% 120,124 $1.7M
Northern Trust Corp. 0.00% Reduce -16.2% 97,685 $1.4M
Groupe la Francaise 0.02% No change 75,932 $1.1M
Credit Industriel Et Commercial 0.20% No change 64,217 $916K
Bank of New York Mellon Corp 0.00% Reduce -4.4% 50,478 $720K
UBS Group AG 0.00% Add +67.4% 45,984 $656K
Ikarian Capital, LLC 0.20% No change 42,122 $601K
Laird Norton Wetherby Wealth Management, LLC 0.03% — 40,656 $580K
FMR LLC 0.00% Add +4.6% 39,071 $558K
ArrowMark Colorado Holdings LLC 0.01% Reduce -74.1% 36,206 $517K
Murchinson Ltd. 0.27% No change 33,790 $482K
Birchview Capital, LP 0.46% No change 32,110 $458K
Russell Investments Group, Ltd. 0.00% Add +11.0% 29,993 $428K
Boothbay Fund Management, LLC 0.01% No change 28,230 $403K
Morgan Stanley 0.00% Reduce -24.6% 27,808 $397K
Charles Schwab Investment Management Inc. 0.00% Reduce -14.9% 27,793 $397K
Readystate Asset Management LP 0.03% New 26,834 $383K
Meridian Wealth Advisors, LLC 0.06% No change 25,000 $357K
Susquehanna International Group, LLP 0.00% Reduce -56.4% 23,073 $329K
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management 0.01% No change 22,584 $322K
Franklin Resources Inc. 0.00% New 22,170 $316K
Nuveen, LLC 0.00% Reduce -15.2% 21,214 $303K
Yakira Capital Management, Inc. 0.11% Reduce -41.6% 21,118 $301K
JBF Capital, Inc. 0.05% No change 20,949 $299K
Corient Private Wealth LP 0.00% No change 20,455 $292K
Alliancebernstein L.P. 0.00% Add +13.9% 20,420 $291K
Qube Research & Technologies Ltd 0.00% Reduce -58.5% 19,886 $284K
HRT Financial LP 0.00% New 19,783 $282K
Arbiter Partners Capital Management LLC 0.25% Reduce -29.7% 19,759 $282K
Jane Street Group, LLC 0.00% Reduce -26.3% 19,373 $276K
Barclays PLC 0.00% Add +29.2% 17,164 $245K
Mark Asset Management LP 0.03% New 17,000 $243K
Bridgeway Capital Management, LLC 0.01% New 16,500 $235K
Ethic Inc. 0.00% New 15,739 $227K
Rhumbline Advisers 0.00% Reduce -7.1% 14,334 $205K
Invesco Ltd. 0.00% New 13,492 $193K
Mariner, LLC 0.00% Reduce -36.0% 11,954 $171K
Goldman Sachs Group Inc. 0.00% Reduce -35.4% 11,089 $158K
Bank of America Corp. 0.00% Add +19.2% 9,130 $130K
MetLife Investment Management, LLC 0.00% No change 7,683 $110K
Wells Fargo & Company 0.00% Reduce -4.7% 6,466 $92K
JPMorgan Chase & Co. 0.00% Reduce -17.0% 5,308 $76K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -28.9% 4,954 $71K
Deutsche Bank AG 0.00% Reduce -37.1% 4,684 $67K
New York State Common Retirement Fund 0.00% No change 3,472 $50K
Police & Firemen's Retirement System of New Jersey 0.00% No change 3,374 $48K
Citigroup Inc. 0.00% Reduce -60.8% 3,332 $48K
China Universal Asset Management Co., Ltd. 0.00% Add +0.1% 2,907 $41K
Tower Research Capital LLC (TRC) 0.00% Add +155.0% 2,216 $32K
Natixis 0.00% No change 2,000 $29K
Royal Bank of Canada 0.00% Add +337.3% 1,395 $20K
BNP Paribas Financial Markets 0.00% Add +30.1% 1,097 $16K
Ameritas Investment Partners, Inc. 0.00% No change 853 $12K
Legal & General Group Plc 0.00% Reduce -26.5% 768 $11K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -10.6% 737 $11K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +14.6% 559 $8K
GF Fund Management Co. LTD. 0.00% No change 359 $5K
Amalgamated Bank 0.00% No change 362 $5K
Sterling Capital Management LLC 0.00% Add +175.3% 245 $3K
FNY Investment Advisers, LLC 0.00% No change 250 $3K
Versant Capital Management, Inc 0.00% Reduce -57.6% 168 $2K
GAMMA Investing LLC 0.00% Reduce -68.4% 155 $2K
Cwm, LLC 0.00% Reduce -22.4% 125 $2K
Osaic Holdings, Inc. 0.00% New 84 $1K
PNC Financial Services Group, Inc. 0.00% Reduce -98.0% 31 $442
EverSource Wealth Advisors, LLC 0.00% Add +266.7% 22 $314
Rothschild Investment LLC 0.00% Add +1900.0% 20 $285
Nisa Investment Advisors, LLC 0.00% Reduce -85.1% 11 $157
True Wealth Design, LLC 0.00% Reduce -60.0% 4 $58
Signaturefd, LLC 0.00% Reduce -95.2% 2 $29
Essential Partners LLC 0.00% — 2 $29
Farther Finance Advisors, LLC 0.00% No change 1 $14

"% of holder's portfolio" is INBX's weight in each manager's 13F, not the share of Inhibrx Biosciences Inc. the manager owns.