RALLYBIO CORP

Historical 13F Holders

Symbol
RLYB
CUSIP
75120L209
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 75120L209 since 12/18/2024, largest first.

Filer % of Class Filed
ADAR1 Capital Management, LLC 13G
17.5% 6/5/2026
Event 5/31/2026
FMR LLC 13G/A
15.0% 8/6/2026
Event 6/30/2026
Viking Global Investors LP 13G/A
10.0% 5/15/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (6)
Nantahala Capital Management, LLC 13G/A
3.6% 8/14/2026
Event 6/30/2026
Johnson & Johnson 13G/A
2.9% 4/13/2026
Event 3/31/2026
5AM Ventures V, L.P. 13D/A
0% 5/6/2026
Event 5/4/2026
Balyasny Asset Management L.P. 13G/A
0% 8/14/2026
Event 6/30/2026
Cormorant Asset Management, LP 13G/A
0% 8/14/2026
Event 6/30/2026
Laurion Capital Management LP 13G/A
0% 8/4/2026
Event 6/30/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q2 38 4.25 M $68.1 M
2026 Q1 38 4.67 M $41.9 M
2025 Q4 1 10.0 k $6.86 k