Security key
45720N103
Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share (INBX)
CUSIP: 45720N103
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 1,227,759
- Total 13F value
- $116,329,486
- Share change
- +5,142
- SEC-reported price per share
- $94.75
- Number of holders
- 22
- Value change
- +$1,135,259
- Number of buys
- 8
- Number of sells
- 9
- Shares outstanding
- 14,630,961
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
22
Top holders
10
INBX full security history
Ownership snapshot
Full 13F holder table
Inhibrx Biosciences, Inc. SEC filings
Inhibrx Biosciences, Inc. company facts
Broader feeds
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
VIKING GLOBAL INVESTORS LP
Disclosed value leader
VIKING GLOBAL INVESTORS LP
Comparable rows
15/15
Latest evidence
03 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 10%
13D/G row: VIKING GLOBAL INVESTORS LP
Showing 1-6 of 15 holder rows.
Quick read
VIKING GLOBAL INVESTORS LP leads the comparable SEC ownership view at 10%.
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 VIKING GLOBAL INVESTORS LP's linked filing trail.
Comparable ownership
Top 5
VIKING GLOBAL INVESTORS LP
10%
PERCEPTIVE ADVISORS LLC
10%
MORGAN STANLEY
7.9%
Jon Faiz Kayyem
7.9%
Mark P. Lappe
6.4%
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 |
|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP |
13D/G
3/4/5
13F
10%+ Owner · Company
|
10%
|
$110,017,116
1,461,633 shares
|
+$528,772 | 31 Mar 2026 |
| PERCEPTIVE ADVISORS LLC |
13D/G
13F
Company
|
10%
|
$109,977,373
1,461,105 shares
|
$0 | 31 Mar 2026 |
| MORGAN STANLEY |
13F
13D/G
Company
|
7.9%
from 13D/G
|
$84,916,798
1,263,078 shares
|
— | 31 Mar 2026 |
| Jon Faiz Kayyem |
3/4/5
13D/G
Director
|
7.9%
from 13D/G
|
$15,030,087
1,074,046 shares
mixed-class rows
|
— | 03 Jun 2026 |
| Mark P. Lappe |
3/4/5
13D/G
Chief Executive Officer, Director · Mark Lappe
|
6.4%
from 13D/G
|
$15,852,324
1,225,413 shares
mixed-class rows
|
— | 12 Sep 2024 |
| BlackRock, Inc. |
13D/G
13F
Company
|
5.3%
|
$60,682,270
768,130 shares
|
+$6,933,198 | 31 Dec 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 Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
22
Shares
1,227,759
Rows available
22
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
134
Q2 2026 holders
22
Holder diff
-112
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|