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 2023
Institutional positions in Rallybio Corp as of Dec 31, 2023. 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
- 54
- −3 vs. Q3 2023
- Shares held
- 31.8M
- +938.4K (+3.0%) vs. Q3 2023
- Total value
- $75.9M
- −$28.0M (−26.9%) vs. Q3 2023
- New holders
- 9
- 19 more added
- Sold out
- 12
- 11 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Rallybio Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Resources Management Corp | 250 | $1.00K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 1,700 | $4.00K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,195 | $5.00K | 0.00% | −166−7.0% | Reduced |
| Ameritas Investment Partners, Inc. | 2,525 | $6.04K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,946 | $7.04K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,709 | $8.86K | 0.00% | +1,024+38.1% | Added |
| California State Teachers Retirement System | 5,032 | $12.0K | 0.00% | −1,714−25.4% | Reduced |
| Royal Bank of Canada | 9,121 | $22.0K | 0.00% | +3,932+75.8% | Added |
| Wells Fargo & Company | 9,629 | $23.0K | 0.00% | +1,854+23.8% | Added |
| Capstone Investment Advisors, LLC | 10,000 | $23.9K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 10,467 | $25.0K | 0.00% | −66−0.6% | Reduced |
| Susquehanna International Group, LLP | 11,417 | $27.3K | 0.00% | +11,417 | New |
| Utah Retirement Systems | 13,240 | $31.6K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 13,254 | $31.7K | 0.00% | +762+6.1% | Added |
| Citigroup Inc | 13,631 | $32.6K | 0.00% | +13,558+18,572.6% | Added |
| Squarepoint Ops LLC | 14,036 | $33.5K | 0.00% | +3,839+37.6% | Added |
| HSBC Holdings PLC | 14,145 | $33.7K | 0.00% | +14,145 | New |
| Marshall Wace, LLP | 15,025 | $35.9K | 0.00% | +15,025 | New |
| American International Group, Inc. | 15,197 | $36.3K | 0.00% | −61−0.4% | Reduced |
| SG Americas Securities, LLC | 16,813 | $40.0K | 0.00% | +16,813 | New |
| Goldman Sachs Group Inc | 19,018 | $45.5K | 0.00% | +4,524+31.2% | Added |
| JPMorgan Chase & Co | 19,972 | $47.7K | 0.00% | −20.0% | Reduced |
| HarbourVest Partners LLC | 21,877 | $52.3K | 0.02% | 00.0% | Unchanged |
| Jane Street Group, LLC | 24,719 | $59.1K | 0.00% | +24,719 | New |
| UBS Group AG | 25,732 | $61.5K | 0.00% | +7,851+43.9% | Added |
| Dimensional Fund Advisors LP | 29,643 | $70.8K | 0.00% | −3,158−9.6% | Reduced |
| Millennium Management LLC | 35,571 | $85.0K | 0.00% | +35,571 | New |
| Rhumbline Advisers | 38,759 | $92.6K | 0.00% | −100.0% | Reduced |
| Barclays PLC | 57,479 | $137.4K | 0.00% | +51,326+834.2% | Added |
| Bank of America Corp | 61,226 | $146.3K | 0.00% | +32,410+112.5% | Added |
| Nuveen Asset Management, LLC | 63,849 | $152.6K | 0.00% | +2,750+4.5% | Added |
| Charles Schwab Investment Management Inc | 77,018 | $184.1K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 90,278 | $215.8K | 0.00% | −409−0.5% | Reduced |
| Morgan Stanley | 99,119 | $236.9K | 0.00% | +83,342+528.2% | Added |
| Bridgeway Capital Management, LLC | 128,500 | $307.1K | 0.01% | +46,500+56.7% | Added |
| Anson Funds Management LP | 183,970 | $439.7K | 0.09% | +183,970 | New |
| Northern Trust Corp | 249,788 | $597.0K | 0.00% | +28,748+13.0% | Added |
| Citadel Advisors LLC | 318,462 | $761.1K | 0.00% | +36,506+12.9% | Added |
| Blue Owl Capital Holdings LP | 350,240 | $837.1K | 0.20% | +350,240 | New |
| Mariner, LLC | 404,655 | $967.1K | 0.00% | −3,525−0.9% | Reduced |
| Geode Capital Management, LLC | 505,261 | $1.21M | 0.00% | +7,007+1.4% | Added |
| State Street Corp | 508,570 | $1.22M | 0.00% | +3,744+0.7% | Added |
| Laurion Capital Management LP | 783,391 | $1.87M | 0.07% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,063,970 | $2.54M | 0.00% | +14,139+1.3% | Added |
| Standard Life Aberdeen plc | 1,727,067 | $4.13M | 0.01% | +1,727,067 | New |
| BlackRock Inc. | 1,755,594 | $4.20M | 0.00% | +124,304+7.6% | Added |
| Novo Holdings A/S | 1,767,861 | $4.23M | 0.28% | −420,138−19.2% | Reduced |
| Canaan Partners XI LLC | 2,059,712 | $4.92M | 6.15% | 00.0% | Unchanged |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,404,644 | $5.75M | 1.46% | 00.0% | Unchanged |
| FMR LLC | 2,535,571 | $6.06M | 0.00% | −710,716−21.9% | Reduced |
| TPG GP A, LLC | 3,028,414 | $7.24M | 0.12% | 00.0% | Unchanged |
| New Leaf Venture Partners, L.L.C. | 3,301,603 | $7.89M | 6.36% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 3,630,724 | $8.68M | 2.30% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $10.0M | 0.04% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 0 | $0 | 0.00% | −375,960−100.0% | Sold out |
| VR Adviser, LLC | 0 | $0 | 0.00% | −268,532−100.0% | Sold out |
| Financial Security Advisor, Inc. | 0 | $0 | 0.00% | −50,278−100.0% | Sold out |
| Northeast Financial Consultants Inc | 0 | $0 | 0.00% | −18,151−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −16,979−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −13,144−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −12,342−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −1,759−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −1,399−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| CHI Advisors LLC | – | – | – | – | Not filed |