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 |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 94 | $1.00K | 0.00% | +94 | New |
| Resources Management Corp | 250 | $2.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 550 | $5.00K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 662 | $6.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,588 | $15.0K | 0.00% | +780+96.5% | Added |
| STRS Ohio | 1,700 | $16.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,633 | $25.0K | 0.00% | +2,161+457.8% | Added |
| UBS Group AG | 2,710 | $26.0K | 0.00% | +2,710 | New |
| 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 |
| California State Teachers Retirement System | 3,422 | $33.0K | 0.00% | −466−12.0% | Reduced |
| American International Group, Inc. | 3,824 | $36.0K | 0.00% | −115−2.9% | Reduced |
| Wells Fargo & Company | 3,896 | $37.0K | 0.00% | +3,857+9,889.7% | Added |
| Bank of America Corp | 3,939 | $38.0K | 0.00% | +3,311+527.2% | Added |
| Deutsche Bank AG | 4,369 | $42.0K | 0.00% | +230+5.6% | Added |
| New York State Common Retirement Fund | 4,469 | $43.0K | 0.00% | +73+1.7% | Added |
| Morgan Stanley | 7,897 | $76.0K | 0.00% | +5,745+267.0% | Added |
| Goldman Sachs Group Inc | 13,065 | $125.0K | 0.00% | +13,065 | New |
| Charles Schwab Investment Management Inc | 16,076 | $154.0K | 0.00% | +1,628+11.3% | Added |
| Bank of New York Mellon Corp | 16,977 | $162.0K | 0.00% | +5,145+43.5% | Added |
| Northern Trust Corp | 61,571 | $588.0K | 0.00% | +4,061+7.1% | Added |
| State Street Corp | 73,825 | $704.0K | 0.00% | +24,242+48.9% | Added |
| Geode Capital Management, LLC | 114,041 | $1.09M | 0.00% | +44,078+63.0% | Added |
| Sectoral Asset Management Inc | 301,226 | $2.87M | 0.43% | −225,910−42.9% | Reduced |
| Vanguard Group Inc | 319,879 | $3.05M | 0.00% | −70,812−18.1% | Reduced |
| JPMorgan Chase & Co | 328,214 | $3.13M | 0.00% | +273,209+496.7% | Added |
| Laurion Capital Management LP | 400,000 | $3.82M | 0.07% | 00.0% | Unchanged |
| BlackRock Inc. | 481,508 | $4.59M | 0.00% | +189,304+64.8% | Added |
| AJU IB Investment Co., Ltd. | 754,678 | $7.20M | 10.03% | +754,678 | New |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 903,673 | $8.62M | 0.13% | 00.0% | Unchanged |
| Tekla Capital Management LLC | 2,308,670 | $20.4M | 0.66% | −20.0% | Reduced |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,271,311 | $21.7M | 9.06% | 00.0% | Unchanged |
| New Leaf Venture Partners, L.L.C. | 2,301,603 | $22.0M | 7.95% | 00.0% | Unchanged |
| Canaan Partners XI LLC | 2,409,712 | $23.0M | 5.92% | +2,409,712 | New |
| FMR LLC | 2,891,173 | $27.6M | 0.00% | 00.0% | Unchanged |
| TPG GP A, LLC | 3,028,414 | $28.9M | 0.29% | +3,028,414 | New |
| 5AM Venture Management, LLC | 4,190,724 | $40.0M | 7.50% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $40.0M | 0.12% | 00.0% | Unchanged |
| 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 |