Rallybio Corp
RLYB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001739410
No open-market purchases or sales by Rallybio Corp insiders were filed in the last 90 days; 37 institutions reported holding it in 13F filings for Q2 2026, worth $65.0M in total; Viking Global Investors is the only superinvestor holding it.
Q2 2025 vs. Q1 2025
How the institutions holding Rallybio Corp changed between Q1 2025 and Q2 2025.
All holders in Q2 2025All holders in Q1 2025
| Measure | Q1 2025 | Q2 2025 | Change |
|---|---|---|---|
| Holders | 47 | 48 | +1 |
| Shares | 32.0M | 31.2M | −808.5K (−2.5%) |
| Value | $20.9M | $10.5M | −$10.4M (−49.7%) |
New holders (7)
Institutions that held Rallybio Corp at the end of Q2 2025 but not at the end of Q1 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Virtu Financial LLC | 56,762 | $19.0K | 0.00% |
| XTX Topco Ltd | 55,479 | $18.8K | 0.00% |
| HRT Financial LP | 29,607 | $10.0K | 0.00% |
| Susquehanna International Group, LLP | 23,263 | $7.86K | 0.00% |
| Two Sigma Securities, LLC | 15,153 | $5.12K | 0.00% |
| Raymond James Financial Inc | 850 | $288 | 0.00% |
| Allworth Financial LP | 50 | $17 | 0.00% |
Sold out (6)
Institutions that held Rallybio Corp at the end of Q1 2025 and filed for Q2 2025 without it.
| Institution | Shares, Q1 2025 | Value, Q1 2025 |
|---|---|---|
| Allostery Investments LP | 752,235 | $492.3K |
| Bridgeway Capital Management, LLC | 91,600 | $60.0K |
| Squarepoint Ops LLC | 33,270 | $21.8K |
| ADAR1 Capital Management, LLC | 13,400 | $8.77K |
| Point72 Asia (Singapore) Pte. Ltd. | 10,007 | $6.55K |
| Point72 (DIFC) Ltd | 975 | $638 |