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. Every filing for 75120L209 since 12/18/2024, newest first.

Filer % of Class Filed
Cormorant Asset Management, LP 13G/A Amendment 1
0% 8/14/2026
Event 6/30/2026
Balyasny Asset Management L.P. 13G/A Amendment 1
0% 8/14/2026
Event 6/30/2026
Nantahala Capital Management, LLC 13G/A Amendment 1
3.6% 8/14/2026
Event 6/30/2026
FMR LLC 13G/A Amendment 2
15.0% 8/6/2026
Event 6/30/2026
Laurion Capital Management LP 13G/A Amendment 1
0% 8/4/2026
Event 6/30/2026
ADAR1 Capital Management, LLC 13G
17.5% 6/5/2026
Event 5/31/2026
Balyasny Asset Management L.P. 13G
7.1% 5/15/2026
Event 3/31/2026
Cormorant Asset Management, LP 13G
7.6% 5/15/2026
Event 3/31/2026
Nantahala Capital Management, LLC 13G
5.7% 5/15/2026
Event 3/31/2026
Viking Global Investors LP 13G/A Amendment 4
10.0% 5/15/2026
Event 3/31/2026
5AM Ventures V, L.P. 13D/A Amendment 3
0% 5/6/2026
Event 5/4/2026
Laurion Capital Management LP 13G
5.7% 4/29/2026
Event 3/31/2026
Johnson & Johnson 13G/A Amendment 1
2.9% 4/13/2026
Event 3/31/2026
FMR LLC 13G/A Amendment 1
10.6% 3/6/2026
Event 3/4/2026
FMR LLC 13G
7.1% 3/6/2026
Event 3/2/2026
5AM Ventures V, L.P. 13D/A Amendment 2
5.5% 2/27/2026
Event 2/25/2026

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