RLYB
RALLYBIO (RLYB)
NASDAQ
$15.93-$0.004 (-0.03%)
Price as of Aug 03, 2026 10:23 AM EDT
  • $84.5M
    Market Cap
  • 272.20%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
NEW LEAF VENTURE PARTNERS, L.L.C.
62.21%
3.3M
0 (0.00%)
Sep 30, 2025
TPG GROUP HOLDINGS (SBS) ADVISORS, INC.
57.07%
3.0M
+3.0M (+100.00%)
Sep 30, 2021
TEKLA CAPITAL MANAGEMENT LLC
32.54%
1.7M
0 (0.00%)
Jun 30, 2023
VANGUARD GROUP INC
19.15%
1.0M
+16,622 (+1.64%)
Dec 31, 2025
HHLR ADVISORS, LTD.
17.03%
903,673
0 (0.00%)
Dec 31, 2021
FMR LLC
14.95%
793,451
+793,451 (+100.00%)
Mar 31, 2026
VIKING GLOBAL INVESTORS LP
9.88%
524,347
+524,347 (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions536.9M (88.95%)
  • Mutual Funds51.2M (8.49%)
  • Insiders15.5M (2.56%)
  • Other0 (0.00%)

Insider Transactions

  • 2.56% (15.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $16,829.56
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Lieber Jonathan I
Chief Financial Officer
Sell
Feb 23, 2026
$3,992.34
789
$5.06
4,115
HUNT RONALD
Award
Feb 18, 2026
$51,498.00
14,305
$3.60
14,305
Lieber Jonathan I
Chief Financial Officer
Award
Feb 18, 2026
$0.00
2,500
$0.00
4,904
MACKAY MARTIN
Award
Feb 18, 2026
$64,998.00
18,055
$3.60
18,055
Ryder Steven
Chief Medical Officer
Award
Feb 14, 2025
$0.00
180,000
$0.00
180,000
Lieber Jonathan I
Chief Financial Officer
Award
Feb 14, 2025
$0.00
180,000
$0.00
180,000
Uden Stephen
Chief Executive Officer
Award
Feb 14, 2025
$0.00
453,700
$0.00
453,700
Hopfner Robert Lorne
Award
Jan 02, 2025
$51,499.70
73,571
$0.70
73,571
Liu Hui
Award
Jan 02, 2025
$47,499.90
67,857
$0.70
67,857
MACKAY MARTIN
Award
Jan 02, 2025
$64,999.90
92,857
$0.70
92,857