Rallybio Corp
Total Trades
16
Buys
6
Sells
9
Largest Trade
N/A
Insiders
7
Institutional Funds
33
Inst. Value
$1M+
Activist Filings
16
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Lieber Jonathan I | CFO | SELL | $1K–$15K | 789 | $5.06 | Feb 23, 2026 |
| Lieber Jonathan I | CFO | GRANT | N/A | 3K | — | Feb 23, 2026 |
| Lieber Jonathan I | See Remarks | BUY | $15K–$50K | 5K | $5.21 | Mar 16, 2023 |
| PARMAR KUSH | Director | SELL | $500K+ | 100K | $8.20 | Mar 9, 2023 |
| 5AM Partners V, LLC | 10% Owner | SELL | $500K+ | 100K | $8.20 | Mar 9, 2023 |
| PARMAR KUSH | Director | SELL | $1M+ | 150K | $12.50 | Jun 7, 2022 |
| 5AM Opportunities I, L.P. | 10% Owner | SELL | $1M+ | 150K | $12.50 | Jun 7, 2022 |
| PARMAR KUSH | Director | SELL | $1M+ | 100K | $13.00 | May 25, 2022 |
| 5AM Opportunities I, L.P. | 10% Owner | SELL | $1M+ | 100K | $13.00 | May 25, 2022 |
| Fryer Jeffrey M | See Remarks | BUY | $15K–$50K | 3K | $8.04 | Mar 23, 2022 |
| 5AM Opportunities I, L.P. | 10% Owner | SELL | $1M+ | 210K | $13.05 | Feb 10, 2022 |
| PARMAR KUSH | Director | SELL | $1M+ | 210K | $13.05 | Feb 10, 2022 |
| Fryer Jeffrey M | See Remarks | BUY | $1K–$15K | 1K | $8.70 | Jan 21, 2022 |
| Uden Stephen | See Remarks | BUY | $50K–$100K | 10K | $9.85 | Jan 15, 2022 |
| MACKAY MARTIN | CEO | BUY | $100K–$500K | 10K | $10.35 | Jan 12, 2022 |
| Fryer Jeffrey M | See Remarks | BUY | $50K–$100K | 10K | $9.41 | Jan 12, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 33 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| AJU IB Investment Co., Ltd. | 755K | $1M+ | SH |
| VIKING GLOBAL INVESTORS LP | 4.2M | $1M+ | SH |
| JOHNSON & JOHNSON | 3.6M | $1M+ | SH |
| 5AM Venture Management, LLC | 3.6M | $1M+ | SH |
| TPG GP A, LLC | 3.0M | $1M+ | SH |
| Pivotal bioVenture Partners Investment Advisor LLC | 2.4M | $1M+ | SH |
| Almitas Capital LLC | 1.5M | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 836K | $500K+ | SH |
| Canaan Partners XI LLC | 450K | $100K–$500K | SH |
| Mariner, LLC | 405K | $100K–$500K | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 209K | $100K–$500K | SH |
| ACADIAN ASSET MANAGEMENT LLC | 83K | $50K–$100K | SH |
| STATE STREET CORP | 62K | $15K–$50K | SH |
| PRUDENTIAL FINANCIAL INC | 29K | $15K–$50K | SH |
| Virtu Financial LLC | 27K | $15K–$50K | SH |
| HRT FINANCIAL LP | 21K | $1K–$15K | SH |
| OneDigital Investment Advisors LLC | 20K | $1K–$15K | SH |
| GSA CAPITAL PARTNERS LLP | 19K | $1K–$15K | SH |
| Ground Swell Capital, LLC | 15K | $1K–$15K | SH |
| GREAT VALLEY ADVISOR GROUP, INC. | 15K | $1K–$15K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Mar 3, 2026
7.2%
379K shares
SC 13G/A · Feb 17, 2026
10.0%
4.2M shares
SC 13G/A · Feb 12, 2025
4.3%
1.8M shares
SC 13G/A · Nov 12, 2024
5.6%
2.3M shares
SC 13G/A · Jul 30, 2024
5.0%
205.8M shares
SC 13G/A · Feb 14, 2024
11.1%
4.2M shares
Nan Fung Group Holdings Limited 2.
SC 13D/A · Feb 13, 2024
240.5M shares
SC 13G/A · Jan 2, 2024
4.7%
1.8M shares
SC 13G/A · Feb 1, 2023
6.4%
2.1M shares
SC 13G/A · Jan 23, 2023
4.6%
1.7M shares
SC 13G · Nov 17, 2022
6.2%
2.3M shares
SC 13D/A · Jun 7, 2022
7.7%
2.5M shares
SC 13G/A · Feb 14, 2022
13.1%
4.2M shares
SC 13G · Feb 11, 2022
6.7%
2.1M shares
SC 13G · Jan 21, 2022
7.2%
2.3M shares
SC 13D/A · Jan 18, 2022
9.4%
3.0M shares