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.
13F holders, Q4 2021
Institutional positions in Rallybio Corp as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 38
- +5 vs. Q3 2021
- Shares held
- 27.4M
- +6.40M (+30.5%) vs. Q3 2021
- Total value
- $260.1M
- −$106.6M (−29.1%) vs. Q3 2021
- New holders
- 7
- 15 more added
- Sold out
- 2
- 5 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RLYB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 37 | $65.0M |
| Q1 2026 | 38 | $41.9M |
| Q4 2025 | 46 | $16.6M |
| Q3 2025 | 45 | $14.1M |
| Q2 2025 | 48 | $10.5M |
| Q1 2025 | 47 | $20.9M |
| Q4 2024 | 49 | $31.1M |
| Q3 2024 | 49 | $36.5M |
| Q2 2024 | 66 | $42.4M |
| Q1 2024 | 62 | $55.9M |
| Q4 2023 | 54 | $75.9M |
| Q3 2023 | 58 | $105.2M |
| Q2 2023 | 59 | $188.3M |
| Q1 2023 | 53 | $183.3M |
| Q4 2022 | 58 | $212.3M |
| Q3 2022 | 53 | $402.1M |
| Q2 2022 | 47 | $208.8M |
| Q1 2022 | 47 | $193.9M |
| Q4 2021 | 38 | $260.1M |
| Q3 2021 | 34 | $419.9M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding Rallybio Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $40.0M | 0.12% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 4,190,724 | $40.0M | 7.50% | 00.0% | Unchanged |
| TPG GP A, LLC | 3,028,414 | $28.9M | 0.29% | +3,028,414 | New |
| FMR LLC | 2,891,173 | $27.6M | 0.00% | 00.0% | Unchanged |
| Canaan Partners XI LLC | 2,409,712 | $23.0M | 5.92% | +2,409,712 | New |
| New Leaf Venture Partners, L.L.C. | 2,301,603 | $22.0M | 7.95% | 00.0% | Unchanged |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,271,311 | $21.7M | 9.06% | 00.0% | Unchanged |
| Tekla Capital Management LLC | 2,308,670 | $20.4M | 0.66% | −20.0% | Reduced |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 903,673 | $8.62M | 0.13% | 00.0% | Unchanged |
| AJU IB Investment Co., Ltd. | 754,678 | $7.20M | 10.03% | +754,678 | New |
| BlackRock Inc. | 481,508 | $4.59M | 0.00% | +189,304+64.8% | Added |
| Laurion Capital Management LP | 400,000 | $3.82M | 0.07% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 328,214 | $3.13M | 0.00% | +273,209+496.7% | Added |
| Vanguard Group Inc | 319,879 | $3.05M | 0.00% | −70,812−18.1% | Reduced |
| Sectoral Asset Management Inc | 301,226 | $2.87M | 0.43% | −225,910−42.9% | Reduced |
| Geode Capital Management, LLC | 114,041 | $1.09M | 0.00% | +44,078+63.0% | Added |
| State Street Corp | 73,825 | $704.0K | 0.00% | +24,242+48.9% | Added |
| Northern Trust Corp | 61,571 | $588.0K | 0.00% | +4,061+7.1% | Added |
| Bank of New York Mellon Corp | 16,977 | $162.0K | 0.00% | +5,145+43.5% | Added |
| Charles Schwab Investment Management Inc | 16,076 | $154.0K | 0.00% | +1,628+11.3% | Added |
| Goldman Sachs Group Inc | 13,065 | $125.0K | 0.00% | +13,065 | New |
| Morgan Stanley | 7,897 | $76.0K | 0.00% | +5,745+267.0% | Added |
| New York State Common Retirement Fund | 4,469 | $43.0K | 0.00% | +73+1.7% | Added |
| Deutsche Bank AG | 4,369 | $42.0K | 0.00% | +230+5.6% | Added |
| Bank of America Corp | 3,939 | $38.0K | 0.00% | +3,311+527.2% | Added |
| Wells Fargo & Company | 3,896 | $37.0K | 0.00% | +3,857+9,889.7% | Added |
| American International Group, Inc. | 3,824 | $36.0K | 0.00% | −115−2.9% | Reduced |
| California State Teachers Retirement System | 3,422 | $33.0K | 0.00% | −466−12.0% | Reduced |
| Citigroup Inc | 2,805 | $27.0K | 0.00% | +1,984+241.7% | Added |
| Allspring Global Investments Holdings, LLC | 2,914 | $27.0K | 0.00% | +2,914 | New |
| UBS Group AG | 2,710 | $26.0K | 0.00% | +2,710 | New |
| Tower Research Capital LLC (TRC) | 2,633 | $25.0K | 0.00% | +2,161+457.8% | Added |
| STRS Ohio | 1,700 | $16.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,588 | $15.0K | 0.00% | +780+96.5% | Added |
| Legal & General Group Plc | 662 | $6.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 550 | $5.00K | 0.00% | 00.0% | Unchanged |
| Resources Management Corp | 250 | $2.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 94 | $1.00K | 0.00% | +94 | New |
| Millennium Management LLC | 0 | $0 | 0.00% | −61,236−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| TPG Group Holdings (SBS) Advisors, Inc. | – | – | – | – | Not filed |