JBIO
Jade Biosciences (JBIO)
NASDAQ
$17.90+$0.010 (+0.06%)
Price as of Sep 11, 2026 7:30 PM EDT
  • $1.1B
    Market Cap
  • 132.34%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
15.00%
9.1M
+2.0M (+22.37%)
Jun 30, 2026
JUPITER TOPCO LLC
10.31%
6.3M
+6.3M (+100.00%)
Jun 30, 2026
N/A
10.31%
6.3M
+6.3M (+100.00%)
Jun 30, 2026
FAIRMOUNT FUNDS MANAGEMENT LLC
7.48%
4.6M
0 (0.00%)
Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.
6.03%
3.7M
0 (0.00%)
Jun 30, 2026
VR ADVISER, LLC
5.29%
3.2M
0 (0.00%)
Jun 30, 2026
JANUS HENDERSON GROUP PLC
5.10%
3.1M
+3.1M (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions237.7M (81.42%)
  • Mutual Funds52.0M (17.81%)
  • Insiders2.2M (0.77%)
  • Other0 (0.00%)

Insider Transactions

  • 0.77% (2.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Eisner Mark
Award
Jun 25, 2026
$0.00
47,675
$0.00
47,675
Fairmount Funds Management LLC
Award
Jun 09, 2026
$0.00
34,843
$0.00
34,843
CAIN CHRISTOPHER W.
Award
Jun 09, 2026
$0.00
34,843
$0.00
34,843
Lavelle Erin
Award
Jun 09, 2026
$0.00
34,843
$0.00
34,843
DOBMEIER ERIC
Award
Jun 09, 2026
$0.00
34,843
$0.00
34,843
Balta Elizabeth
See Remarks
Award
Feb 12, 2026
$0.00
168,750
$0.00
168,750
Dahms Bradford D.
Chief Financial Officer
Award
Feb 12, 2026
$0.00
226,875
$0.00
226,875
Balta Elizabeth
See Remarks
Award
Feb 12, 2026
$0.00
28,125
$0.00
28,125
Dahms Bradford D.
Chief Financial Officer
Award
Feb 12, 2026
$0.00
37,813
$0.00
37,813
Fairmount Funds Management LLC
Award
Oct 06, 2025
$7.8M
855,047
$9.14
855,047
Fairmount Funds Management LLC
Award
Oct 06, 2025
$12.2M
1.3M
$9.14
1.9M
Dahms Bradford D.
Chief Financial Officer
Award
Jul 14, 2025
$0.00
526,000
$0.00
526,000
CAIN CHRISTOPHER W.
Award
Apr 29, 2025
$0.00
23,017
$0.00
23,017
Fairmount Funds Management LLC
Award
Apr 29, 2025
$0.00
23,017
$0.00
23,017
Lavelle Erin
Award
Apr 29, 2025
$0.00
23,017
$0.00
23,017
Klein Lawrence Otto
Award
Apr 29, 2025
$0.00
23,017
$0.00
23,017
DOBMEIER ERIC
Award
Apr 29, 2025
$0.00
23,017
$0.00
23,017
RA CAPITAL MANAGEMENT, LLC
Other
Apr 28, 2025
$0.00
1.1M
$0.00
1.3M