Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share (INBX)

Q: What does CUSIP 45720N103 represent in this 13F holders report?

CUSIP 45720N103 is the security identifier for INBX - Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held INBX - Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share in Q4 2025?

139 institutional investors reported INBX - Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: 45720N103

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 12,777,957
Total 13F value: $1,009,450,205
Share change: +2,191,004
Put/Call ratio: 69%
SEC-reported price per share: $79.00
Number of holders: 139
Value change: +$184,334,509
Number of buys: 80
Number of sells: 46
Shares outstanding: 14,630,961

Security key

45720N103

Report period

Q4 2025

Institutions

139

Top holders

INBX full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Inhibrx Biosciences, Inc. SEC filings Inhibrx Biosciences, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 45720N103

Newer quarter: Q1 2026 Previous quarter: Q3 2025

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of INBX - Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

MORGAN STANLEY

Disclosed value leader

MORGAN STANLEY

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F 3/4/5 Lead comparable stake: 7.9% 13D/G row: MORGAN STANLEY Showing 1-6 of 15 holder rows.

Quick read

MORGAN STANLEY leads the comparable SEC ownership view at 7.9%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens MORGAN STANLEY's linked filing trail.

Comparable ownership Top 5

MORGAN STANLEY 7.9%

Jon Faiz Kayyem 7.9%

Mark P. Lappe 6.4%

BlackRock, Inc. 5.3%

VIKING GLOBAL INVESTORS LP 0.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
MORGAN STANLEY	13D/G 13F Company 13D/G 13F	7.9%	$84,668,884 1,155,416 shares	$0	31 Dec 2025
Jon Faiz Kayyem	13D/G 13D/G	7.9%	$13,765,571 1,149,046 shares	$0	03 Jun 2024
Mark P. Lappe	3/4/5 13D/G Chief Executive Officer, Director · Mark Lappe 3/4/5 13D/G	6.4% from 13D/G	$15,852,324 1,225,413 shares mixed-class rows	—	12 Sep 2024
BlackRock, Inc.	13D/G 13F Company 13D/G 13F	5.3%	$60,682,270 768,130 shares	+$6,933,198	31 Dec 2025
VIKING GLOBAL INVESTORS LP	13F 3/4/5 Company · 10%+ Owner 13F 3/4/5	0.7% from 3/4/5	$60,209,904 1,787,705 shares	—	30 Sep 2025
PERCEPTIVE ADVISORS LLC	13F Company 13F	9.1%	$44,717,171 1,327,707 shares	—	30 Sep 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

139

12,777,957

Rows available

139

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

101

Q4 2025 holders

139

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend