INBX
Inhibrx Bio (INBX)
NASDAQ
$97.16+$0.06 (+0.06%)
Price as of Oct 22, 2026 7:30 PM EDT
  • $1.4B
    Market Cap
  • 211.52%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
WELLINGTON MANAGEMENT CO LLP
10.19%
1.5M
-286,508 (-19.11%)
Dec 31, 2021
MORGAN STANLEY
8.89%
1.3M
+44,973 (+3.44%)
Jun 30, 2026
PERCEPTIVE ADVISORS LLC
8.82%
1.3M
-144,944 (-11.17%)
Jun 30, 2026
SANOFI
7.87%
1.2M
0 (0.00%)
Jun 30, 2026
VIKING GLOBAL INVESTORS LP
7.64%
1.1M
-313,776 (-27.92%)
Jun 30, 2026
HIGHTOWER ADVISORS, LLC
5.92%
870,551
+351 (+0.04%)
Jun 30, 2026
BANK OF AMERICA CORP /DE/
5.72%
841,141
+808,458 (+96.11%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions422.0M (79.36%)
  • Mutual Funds97.3M (18.29%)
  • Insiders12.5M (2.35%)
  • Other0 (0.00%)

Insider Transactions

  • 2.35% (12.5M)
    Current InsiderOwnership (%, shares)
  • 3
    Number of InsiderBuying (last 12 months)
  • $598.5M
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $2.5M
    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
Oct 14, 2026
$207,654.63
2,470
$84.07
743,018
Lappe Mark
Chief Executive Officer
Buy
Oct 14, 2026
$209,948.02
2,470
$85.00
745,488
Lappe Mark
Chief Executive Officer
Buy
Oct 14, 2026
$8,576.00
100
$85.76
745,588
Lappe Mark
Chief Executive Officer
Buy
Oct 14, 2026
$205,889.14
2,449
$84.07
167,449
Lappe Mark
Chief Executive Officer
Buy
Oct 14, 2026
$208,333.04
2,451
$85.00
169,900
Lappe Mark
Chief Executive Officer
Buy
Oct 14, 2026
$8,576.00
100
$85.76
170,000
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