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RALLYBIO (RLYB)
NASDAQ
$16.90+$0.68 (+4.16%)
Price as of Oct 22, 2026 7:56 PM EDT- $86.2MMarket Cap
- 261.47%1-Year Change
- BiotechnologyIndustry
RALLYBIO (RLYB)
$16.90+$0.68 (+4.16%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
NEW LEAF VENTURE PARTNERS, L.L.C. | 62.15% | 3.3M | 0 (0.00%) | Sep 30, 2025 |
TPG GROUP HOLDINGS (SBS) ADVISORS, INC. | 57.00% | 3.0M | +3.0M (+100.00%) | Sep 30, 2021 |
TEKLA CAPITAL MANAGEMENT LLC | 32.51% | 1.7M | 0 (0.00%) | Jun 30, 2023 |
VANGUARD GROUP INC | 19.13% | 1.0M | +16,622 (+1.64%) | Dec 31, 2025 |
ADAR1 CAPITAL MANAGEMENT, LLC | 17.44% | 926,352 | +905,817 (+97.78%) | Jun 30, 2026 |
HHLR ADVISORS, LTD. | 17.01% | 903,673 | 0 (0.00%) | Dec 31, 2021 |
FMR LLC | 14.96% | 794,720 | +1,269 (+0.16%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FIDELITY MT VERNON STREET TRUST | 5.98% | 317,790 | +317,790 (+100.00%) | May 31, 2026 |
VANGUARD INDEX FUNDS | 3.14% | 167,067 | +55,027 (+32.94%) | Jun 30, 2026 |
Dimensional ETF Trust | 0.14% | 7,253 | +578 (+7.97%) | Jul 31, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 0.09% | 4,605 | 0 (0.00%) | Jul 31, 2026 |
VANGUARD INSTITUTIONAL INDEX FUNDS | 0.06% | 3,141 | +3,141 (+100.00%) | Jun 30, 2026 |
VANGUARD VALLEY FORGE FUNDS | 0.04% | 2,289 | +2,289 (+100.00%) | Jun 30, 2026 |
EQ ADVISORS TRUST | 0.01% | 795 | +795 (+100.00%) | Jun 30, 2026 |
Current Ownership Distribution
- Institutions541.0M (88.70%)
- Mutual Funds53.9M (8.83%)
- Insiders15.1M (2.47%)
- Other0 (0.00%)
Insider Transactions
- 2.47% (15.1M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $16,829.56Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Boudreau Helen M | Exempt | Oct 16, 2026 | $0.00 | 2,062 | $0.00 | 0 |
Boudreau Helen M | Exempt | Oct 16, 2026 | $31,507.36 | 2,062 | $15.28 | 8,604 |
Liu Hui | Exempt | Sep 24, 2026 | $0.00 | 3,562 | $0.00 | 0 |
Liu Hui | Exempt | Sep 24, 2026 | $47,499.20 | 8,482 | $5.60 | 0 |
Liu Hui | Exempt | Sep 24, 2026 | $8,477.56 | 3,562 | $2.38 | 3,562 |
Liu Hui | Exempt | Sep 24, 2026 | $64,463.20 | 8,482 | $7.60 | 12,044 |
Chung Wendy | Exempt | Sep 16, 2026 | $0.00 | 3,562 | $0.00 | 0 |
Chung Wendy | Exempt | Sep 16, 2026 | $8,477.56 | 3,562 | $2.38 | 3,562 |
Lieber Jonathan I Chief Financial Officer | Sell | Feb 23, 2026 | $3,992.34 | 789 | $5.06 | 4,115 |
HUNT RONALD | Award | Feb 18, 2026 | $51,498.00 | 14,305 | $3.60 | 14,305 |
Lieber Jonathan I Chief Financial Officer | Award | Feb 18, 2026 | $0.00 | 2,500 | $0.00 | 4,904 |
MACKAY MARTIN | Award | Feb 18, 2026 | $64,998.00 | 18,055 | $3.60 | 18,055 |
Ryder Steven Chief Medical Officer | Award | Feb 14, 2025 | $0.00 | 180,000 | $0.00 | 180,000 |
Lieber Jonathan I Chief Financial Officer | Award | Feb 14, 2025 | $0.00 | 180,000 | $0.00 | 180,000 |
Uden Stephen Chief Executive Officer | Award | Feb 14, 2025 | $0.00 | 453,700 | $0.00 | 453,700 |
Hopfner Robert Lorne | Award | Jan 02, 2025 | $51,499.70 | 73,571 | $0.70 | 73,571 |
Liu Hui | Award | Jan 02, 2025 | $47,499.90 | 67,857 | $0.70 | 67,857 |
MACKAY MARTIN | Award | Jan 02, 2025 | $64,999.90 | 92,857 | $0.70 | 92,857 |