INBXInhibrx Biosciences, Inc.

$125.28

Who owns INBX

135 institutions reported holding INBX for 2026Q1, together 82% of the company, fewer than the 137 a quarter earlier.

135

Institutions reporting a position · as of 2026Q1 · down from 137 the quarter before

Shares held by institutions
12.7M

Shares held by institutions · 82% of the company · long US equity positions only, as reported on Form 13F

Reported value
$855M

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
40%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
23
New positions
19
Positions exited
27
Added to
55
Reduced
32
Top 10 holdersof the company
57%
Institutional ownership by quarter, 2020Q3 to 2026Q1
QuarterFilersSharesReported value
2026Q113512.7M$855M
2025Q413712.8M$1.01B
2025Q310010.5M$354M
2025Q28710.4M$149M
2025Q19110.8M$151M
2024Q410011.2M$172M
2024Q3968.9M$139M
2024Q2879.7M$138M
2024Q112638.3M$1.34B
2023Q412740.6M$1.54B
2023Q311139.0M$716M
2023Q210736.0M$935M
2023Q110836.7M$692M
2022Q411535.9M$885M
2022Q310128.5M$512M
2022Q29926.2M$297M
Largest reported holders, 2026Q1
HolderShares% of companyValue
PERCEPTIVE ADVISORS LLC1.4M9.3%$97M
VIKING GLOBAL INVESTORS LP1.4M9.2%$97M
MORGAN STANLEY1.3M8.1%$85M
Sanofi1.2M7.4%$78M
HighTower Advisors, LLC0.9M5.6%$59M
BlackRock Inc.0.8M5.1%$54M
VANGUARD GROUP INC0.6M4.1%$43M
STATE STREET CORP0.6M3.5%$37M
Sofinnova Investments, Inc.0.4M2.6%$27M
Capital Research Global Investors0.4M2.5%$26M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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