INBX | Inhibrx Bio | Owners

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+0.19%
2m
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2m
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2m
Russell 2000$279.02
+0.41%
2m
Russell 1000$416.97
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Inhibrx Bio (INBX)

NASDAQ

$97.11-$0.83 (-0.84%)

Price as of Oct 02, 2026 4:10 PM EDT

$1.4B
Market Cap
179.28%
1-Year Change
Biotechnology
Industry

Top Holders

Institutional

Mutual Funds

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
WELLINGTON MANAGEMENT CO LLP	10.22%	1.5M	-286,508 (-19.11%)	Dec 31, 2021
MORGAN STANLEY	8.92%	1.3M	+44,973 (+3.44%)	Jun 30, 2026
PERCEPTIVE ADVISORS LLC	8.85%	1.3M	-144,944 (-11.17%)	Jun 30, 2026
SANOFI	7.89%	1.2M	0 (0.00%)	Jun 30, 2026
VIKING GLOBAL INVESTORS LP	7.66%	1.1M	-313,776 (-27.92%)	Jun 30, 2026
HIGHTOWER ADVISORS, LLC	5.93%	870,551	+351 (+0.04%)	Jun 30, 2026
BANK OF AMERICA CORP /DE/	5.73%	841,141	+808,458 (+96.11%)	Jun 30, 2026

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
SMALLCAP WORLD FUND INC	5.55%	814,082	0 (0.00%)	Jun 30, 2026
FIDELITY MT VERNON STREET TRUST	4.60%	674,716	0 (0.00%)	May 31, 2026
LOOMIS SAYLES FUNDS II	4.33%	635,605	0 (0.00%)	Jun 30, 2026
VANGUARD INDEX FUNDS	3.27%	479,524	+6,905 (+1.44%)	Jun 30, 2026
MUTUAL FUND SERIES TRUST	2.96%	434,026	0 (0.00%)	Jun 30, 2026
SPDR SERIES TRUST	2.88%	422,626	0 (0.00%)	Jul 31, 2026
FIDELITY ADVISOR SERIES VII	1.75%	256,500	0 (0.00%)	Jul 31, 2026

Current Ownership Distribution

Institutions422.0M (79.17%)
Mutual Funds98.6M (18.49%)
Insiders12.5M (2.34%)
Other0 (0.00%)

Insider Transactions

2.34% (12.5M)
Current InsiderOwnership (%, shares)
3
Number of InsiderBuying (last 12 months)
$366.5M
Amount of InsiderBuying (last 12 months)
2
Number of InsiderSelling (last 12 months)
$37.5M
Amount of InsiderSelling (last 12 months)

Insider Name & Title	Type	Date	Transaction Value	Shares	Share Price	Shares After Transactions
Lappe Mark Chief Executive Officer	Buy	Sep 28, 2026	$148,320.45	1,500	$98.88	737,548
Lappe Mark Chief Executive Officer	Buy	Sep 28, 2026	$305,106.00	3,000	$101.70	740,548
Lappe Mark Chief Executive Officer	Buy	Sep 25, 2026	$328,630.25	3,324	$98.87	733,872
Lappe Mark Chief Executive Officer	Buy	Sep 25, 2026	$216,726.99	2,176	$99.60	736,048
MANHARD KIMBERLY	Sell	Sep 15, 2026	$52,525.00	500	$105.05	7,500
MANHARD KIMBERLY	Sell	Sep 14, 2026	$55,130.00	500	$110.26	8,000
MANHARD KIMBERLY	Sell	Sep 11, 2026	$55,887.50	500	$111.78	8,500
Kayyem Jon Faiz	Buy	Sep 08, 2026	$567,580.00	5,000	$113.52	424,360
FORSYTH DOUGLAS	Buy	Sep 08, 2026	$286,617.25	2,500	$114.65	227,064
VIKING GLOBAL INVESTORS LP	Sell	Oct 07, 2025	$10.0M	308,643	$32.25	1.3M
VIKING GLOBAL INVESTORS LP	Sell	Oct 07, 2025	$526,158.75	16,315	$32.25	67,018
VIKING GLOBAL INVESTORS LP	Sell	Oct 07, 2025	$807,604.50	25,042	$32.25	102,864
MANHARD KIMBERLY	Award	May 28, 2025	$0.00	15,000	$0.00	15,000
Kayyem Jon Faiz	Award	May 28, 2025	$0.00	15,000	$0.00	15,000
Vuori Kristiina MD	Award	May 28, 2025	$0.00	15,000	$0.00	15,000
Deck Kelly Chief Financial Officer	Award	Apr 01, 2025	$0.00	15,000	$0.00	15,000
Matly David President	Award	Apr 01, 2025	$0.00	50,000	$0.00	50,000
Kayyem Jon Faiz	Gift	Mar 27, 2025	$0.00	90,000	$0.00	419,360
Kayyem Jon Faiz	Gift	Dec 16, 2024	$0.00	500,000	$0.00	509,360
Kayyem Jon Faiz	Gift	Dec 16, 2024	$0.00	250,000	$0.00	250,000
Kayyem Jon Faiz	Gift	Dec 16, 2024	$0.00	250,000	$0.00	250,000
Kayyem Jon Faiz	Gift	Dec 06, 2024	$0.00	52,000	$0.00	1.0M
Kayyem Jon Faiz	Buy	Nov 20, 2024	$266,101.88	18,750	$14.19	69,843
Kayyem Jon Faiz	Buy	Nov 20, 2024	$266,101.88	18,750	$14.19	69,843
Kayyem Jon Faiz	Buy	Nov 19, 2024	$495,707.88	34,843	$14.23	51,093
Kayyem Jon Faiz	Buy	Nov 19, 2024	$495,707.88	34,843	$14.23	51,093
Vuori Kristiina MD	Buy	Oct 03, 2024	$100,005.00	6,667	$15.00	20,443