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, Q3 2023
Institutional positions in Rallybio Corp as of Sep 30, 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
- 58
- 0 vs. Q2 2023
- Shares held
- 31.2M
- −330.6K (−1.0%) vs. Q2 2023
- Total value
- $105.2M
- −$73.3M (−41.1%) vs. Q2 2023
- New holders
- 5
- 13 more added
- Sold out
- 5
- 14 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Rallybio Corp; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $14.1M | 0.06% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 3,630,724 | $12.2M | 3.52% | 00.0% | Unchanged |
| New Leaf Venture Partners, L.L.C. | 3,301,603 | $11.1M | 14.29% | 00.0% | Unchanged |
| FMR LLC | 3,246,287 | $10.9M | 0.00% | +5740.0% | Added |
| TPG GP A, LLC | 3,028,414 | $10.2M | 0.18% | 00.0% | Unchanged |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,404,644 | $8.10M | 3.23% | 00.0% | Unchanged |
| Novo Holdings A/S | 2,187,999 | $7.37M | 0.54% | 00.0% | Unchanged |
| Canaan Partners XI LLC | 2,059,712 | $6.94M | 6.09% | 00.0% | Unchanged |
| BlackRock Inc. | 1,631,290 | $5.50M | 0.00% | −22,569−1.4% | Reduced |
| Vanguard Group Inc | 1,049,831 | $3.54M | 0.00% | +11,710+1.1% | Added |
| Laurion Capital Management LP | 783,391 | $2.64M | 0.07% | 00.0% | Unchanged |
| State Street Corp | 504,826 | $1.70M | 0.00% | +11,746+2.4% | Added |
| Geode Capital Management, LLC | 498,254 | $1.68M | 0.00% | +4,883+1.0% | Added |
| Mariner, LLC | 408,180 | $1.38M | 0.00% | −198,303−32.7% | Reduced |
| CHI Advisors LLC | 390,734 | $1.32M | 0.52% | −152,040−28.0% | Reduced |
| Sectoral Asset Management Inc | 375,960 | $1.27M | 0.25% | 00.0% | Unchanged |
| Citadel Advisors LLC | 281,956 | $950.2K | 0.00% | −13,412−4.5% | Reduced |
| VR Adviser, LLC | 268,532 | $905.0K | 0.10% | 00.0% | Unchanged |
| Northern Trust Corp | 221,040 | $744.9K | 0.00% | −1,800−0.8% | Reduced |
| Bank of New York Mellon Corp | 90,687 | $305.6K | 0.00% | −200.0% | Reduced |
| Bridgeway Capital Management, LLC | 82,000 | $276.3K | 0.01% | +64,000+355.6% | Added |
| Charles Schwab Investment Management Inc | 77,018 | $259.6K | 0.00% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 61,099 | $205.9K | 0.00% | −742−1.2% | Reduced |
| Financial Security Advisor, Inc. | 50,278 | $169.4K | 0.08% | +50,278 | New |
| Rhumbline Advisers | 38,769 | $130.6K | 0.00% | +583+1.5% | Added |
| Dimensional Fund Advisors LP | 32,801 | $110.5K | 0.00% | −1,410−4.1% | Reduced |
| Bank of America Corp | 28,816 | $97.1K | 0.00% | +5,429+23.2% | Added |
| HarbourVest Partners LLC | 21,877 | $73.7K | 0.03% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 19,974 | $67.3K | 0.00% | −4,709−19.1% | Reduced |
| Northeast Financial Consultants Inc | 18,151 | $61.2K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 17,881 | $60.3K | 0.00% | +221+1.3% | Added |
| MetLife Investment Management | 16,979 | $57.2K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 15,777 | $53.2K | 0.00% | −6,139−28.0% | Reduced |
| American International Group, Inc. | 15,258 | $51.4K | 0.00% | +543+3.7% | Added |
| Goldman Sachs Group Inc | 14,494 | $48.8K | 0.00% | −31,560−68.5% | Reduced |
| Utah Retirement Systems | 13,240 | $44.6K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 13,144 | $44.3K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 12,492 | $42.1K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 12,342 | $41.6K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 10,533 | $35.5K | 0.00% | +168+1.6% | Added |
| Squarepoint Ops LLC | 10,197 | $34.4K | 0.00% | +10,197 | New |
| Mercer Global Advisors Inc | 10,000 | $34.0K | 0.00% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 10,000 | $33.7K | 0.00% | +10,000 | New |
| Wells Fargo & Company | 7,775 | $26.2K | 0.00% | −4,093−34.5% | Reduced |
| California State Teachers Retirement System | 6,746 | $22.7K | 0.00% | −3,424−33.7% | Reduced |
| Barclays PLC | 6,153 | $20.7K | 0.00% | +50+0.8% | Added |
| Royal Bank of Canada | 5,189 | $17.0K | 0.00% | +841+19.3% | Added |
| Legal & General Group Plc | 2,946 | $9.91K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,685 | $9.05K | 0.00% | +1,142+74.0% | Added |
| Ameritas Investment Partners, Inc. | 2,525 | $8.51K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,361 | $8.00K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 1,759 | $5.93K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 1,700 | $5.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,399 | $4.71K | 0.00% | +1,399 | New |
| Resources Management Corp | 250 | $1.00K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 107 | $361 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 73 | $246 | 0.00% | −9,056−99.2% | Reduced |
| Federated Hermes, Inc. | 45 | $152 | 0.00% | +45 | New |
| Caas Capital Management LP | 0 | $0 | 0.00% | −31,470−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −12,770−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −10,141−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −465−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −273−100.0% | Sold out |
| Tekla Capital Management LLC | – | – | – | – | Not filed |