VIKING GLOBAL INVESTORS LP - 31 Dec 2025 SCHEDULE 13G/A Report for Rallybio Corporation Common Stock, par value $0.0001 per share (RLYB)

Filing Manager
VIKING GLOBAL INVESTORS LP
Reporting Manager
VIKING GLOBAL INVESTORS LP
Security
Rallybio Corporation Common Stock, par value $0.0001 per share
Symbol
RLYB
Shares outstanding
42,271,962 shares
Disclosed Ownership
4,222,969 shares
Ownership
10%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 16:26:58 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

Reporting Managers (8)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
VIKING GLOBAL INVESTORS LP 10% 4,222,969 0 4,222,969 /s/ Scott M. Hendler Scott M. Hendler on behalf of VIKING GLOBAL INVESTORS LP (1)(2)(3)
Viking Global Opportunities Parent GP LLC 10% 4,222,969 0 4,222,969 /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Opportunities Parent GP LLC (1)(2)(3)
Viking Global Opportunities GP LLC 10% 4,222,969 0 4,222,969 /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Opportunities GP LLC (1)(2)(3)
Viking Global Opportunities Portfolio GP LLC 10% 4,222,969 0 4,222,969 /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Opportunities Portfolio GP LLC (1)(2)(3)
Viking Global Opportunities Illiquid Investments Sub-Master LP 10% 4,222,969 0 4,222,969 /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Opportunities Illiquid Investments Sub-Master LP (1)(2)(3)
HALVORSEN OLE ANDREAS 10% 4,222,969 0 4,222,969 /s/ Scott M. Hendler Scott M. Hendler on behalf of O. Andreas Halvorsen (1)
Ott David C. 10% 4,222,969 0 4,222,969 /s/ Scott M. Hendler Scott M. Hendler on behalf of David C. Ott (2)
Shabet Rose Sharon 10% 4,222,969 0 4,222,969 /s/ Scott M. Hendler Scott M. Hendler on behalf of Rose S. Shabet (3)