Rallybio Corp - Common Stock, par value $0.0001 per share (RLYB) Institutional Ownership

13F Institutional Holders and Ownership History for Q4 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
RLYB on Nasdaq
Shares outstanding
5,305,236
Price per share
$4.77
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
10,000
Total reported value
$6,861
% of total 13F portfolios
0%
Share change
+10,000
Value change
+$6,861
Number of holders
1
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Rallybio Corp - Common Stock, par value $0.0001 per share (RLYB) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
5AM Ventures V, L.P. 5.5% 291,788 Andrew J. Schwab 25 Feb 2026

As of 31 Dec 2025, 1 institutional investors reported holding 10,000 shares of Rallybio Corp - Common Stock, par value $0.0001 per share (RLYB). This represents 0.19% of the company’s total 5,305,236 outstanding shares.

Institutional Holders of Rallybio Corp - Common Stock, par value $0.0001 per share (RLYB) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 10,000 $6,861 +$6,861 $0.69 1