JANX
JANUX THERAPEUTS (JANX)
NASDAQ
$14.65-$0.26 (-1.76%)
Price as of Jun 23, 2026 6:37 PM EDT
  • $874.5M
    Market Cap
  • -37.33%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
RA CAPITAL MANAGEMENT, L.P.
18.35%
11.2M
0 (0.00%)
Mar 31, 2026
BLACKROCK, INC.
8.91%
5.4M
+1.4M (+24.90%)
Mar 31, 2026
JANUS HENDERSON GROUP PLC
6.88%
4.2M
-1.2M (-27.50%)
Mar 31, 2026
PROSIGHT MANAGEMENT, LP
5.82%
3.5M
+1.2M (+32.60%)
Mar 31, 2026
PARADIGM BIOCAPITAL ADVISORS LP
4.79%
2.9M
0 (0.00%)
Sep 30, 2025
VANGUARD GROUP INC
4.77%
2.9M
+489,282 (+16.83%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
4.47%
2.7M
+303,177 (+11.12%)
Dec 31, 2024

Current Ownership Distribution

  • Institutions804.3M (84.68%)
  • Mutual Funds131.6M (13.86%)
  • Insiders13.9M (1.46%)
  • Other0 (0.00%)

Insider Transactions

  • 1.46% (13.9M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $12.5M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Hernday Natasha
Award
Jun 11, 2026
$0.00
15,500
$0.00
15,500
DOBMEIER ERIC
Award
Jun 11, 2026
$0.00
15,500
$0.00
15,500
CAPPS VICKIE L
Award
Jun 11, 2026
$0.00
15,500
$0.00
15,500
Barrett Ronald W
Award
Jun 11, 2026
$0.00
15,500
$0.00
15,500
Hernday Natasha
Award
Jun 11, 2026
$0.00
5,500
$0.00
15,481
Simson Jake
Award
Jun 11, 2026
$0.00
15,500
$0.00
15,500
CAPPS VICKIE L
Award
Jun 11, 2026
$0.00
5,500
$0.00
79,598
Barrett Ronald W
Award
Jun 11, 2026
$0.00
5,500
$0.00
11,750
Kung Winston
Award
Jun 11, 2026
$0.00
15,500
$0.00
15,500
Simson Jake
Award
Jun 11, 2026
$0.00
5,500
$0.00
11,750
DOBMEIER ERIC
Award
Jun 11, 2026
$0.00
5,500
$0.00
15,481
Kung Winston
Award
Jun 11, 2026
$0.00
5,500
$0.00
11,750
Go William
Chief Medical Officer
Award
Feb 02, 2026
$0.00
154,000
$0.00
154,000
Go William
Chief Medical Officer
Award
Feb 02, 2026
$0.00
44,000
$0.00
44,000
Campbell David Alan
President and CEO
Award
Jan 02, 2026
$0.00
338,100
$0.00
338,100
Meyer Andrew Hollman
Chief Business Officer
Sell
Jan 02, 2026
$25,798.67
1,879
$13.73
83,095
McIver Zachariah
Chief Medical Officer
Award
Jan 02, 2026
$0.00
101,500
$0.00
101,500
Doyle Janeen Noel
Chief Corp. & Bus. Dev. Ofcr
Award
Jan 02, 2026
$0.00
126,000
$0.00
126,000
Dobek Maria
Vice President, Accounting
Award
Jan 02, 2026
$0.00
42,600
$0.00
42,600
Winter Charles M.
Chief Technical Officer
Award
Jan 02, 2026
$0.00
100,100
$0.00
100,100
DiRaimondo Thomas
Chief Scientific Officer
Award
Jan 02, 2026
$0.00
109,900
$0.00
109,900
Doyle Janeen Noel
Chief Corp. & Bus. Dev. Ofcr
Award
Jan 02, 2026
$0.00
36,000
$0.00
80,000
Campbell David Alan
President and CEO
Sell
Jan 02, 2026
$110,828.56
8,072
$13.73
284,982
Winter Charles M.
Chief Technical Officer
Sell
Jan 02, 2026
$32,965.73
2,401
$13.73
77,721
McIver Zachariah
Chief Medical Officer
Sell
Jan 02, 2026
$37,263.22
2,714
$13.73
23,286
Winter Charles M.
Chief Technical Officer
Award
Jan 02, 2026
$0.00
28,600
$0.00
106,321
Dobek Maria
Vice President, Accounting
Sell
Jan 02, 2026
$20,073.26
1,462
$13.73
15,373
DiRaimondo Thomas
Chief Scientific Officer
Sell
Jan 02, 2026
$34,393.65
2,505
$13.73
124,425
Campbell David Alan
President and CEO
Award
Jan 02, 2026
$0.00
96,600
$0.00
381,582
McIver Zachariah
Chief Medical Officer
Award
Jan 02, 2026
$0.00
29,000
$0.00
52,286