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 |
|---|---|---|---|---|---|
| Federated Hermes, Inc. | 45 | $152 | 0.00% | +45 | New |
| Citigroup Inc | 73 | $246 | 0.00% | −9,056−99.2% | Reduced |
| Toronto Dominion Bank | 107 | $361 | 0.00% | 00.0% | Unchanged |
| Resources Management Corp | 250 | $1.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,399 | $4.71K | 0.00% | +1,399 | New |
| STRS Ohio | 1,700 | $5.00K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 1,759 | $5.93K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,361 | $8.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,525 | $8.51K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,685 | $9.05K | 0.00% | +1,142+74.0% | Added |
| Legal & General Group Plc | 2,946 | $9.91K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 5,189 | $17.0K | 0.00% | +841+19.3% | Added |
| Barclays PLC | 6,153 | $20.7K | 0.00% | +50+0.8% | Added |
| California State Teachers Retirement System | 6,746 | $22.7K | 0.00% | −3,424−33.7% | Reduced |
| Wells Fargo & Company | 7,775 | $26.2K | 0.00% | −4,093−34.5% | Reduced |
| Capstone Investment Advisors, LLC | 10,000 | $33.7K | 0.00% | +10,000 | New |
| Mercer Global Advisors Inc | 10,000 | $34.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 10,197 | $34.4K | 0.00% | +10,197 | New |
| New York State Common Retirement Fund | 10,533 | $35.5K | 0.00% | +168+1.6% | Added |
| Deutsche Bank AG | 12,342 | $41.6K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 12,492 | $42.1K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 13,144 | $44.3K | 0.00% | 00.0% | Unchanged |
| Utah Retirement Systems | 13,240 | $44.6K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 14,494 | $48.8K | 0.00% | −31,560−68.5% | Reduced |
| American International Group, Inc. | 15,258 | $51.4K | 0.00% | +543+3.7% | Added |
| Morgan Stanley | 15,777 | $53.2K | 0.00% | −6,139−28.0% | Reduced |
| MetLife Investment Management | 16,979 | $57.2K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 17,881 | $60.3K | 0.00% | +221+1.3% | Added |
| Northeast Financial Consultants Inc | 18,151 | $61.2K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 19,974 | $67.3K | 0.00% | −4,709−19.1% | Reduced |
| HarbourVest Partners LLC | 21,877 | $73.7K | 0.03% | 00.0% | Unchanged |
| Bank of America Corp | 28,816 | $97.1K | 0.00% | +5,429+23.2% | Added |
| Dimensional Fund Advisors LP | 32,801 | $110.5K | 0.00% | −1,410−4.1% | Reduced |
| Rhumbline Advisers | 38,769 | $130.6K | 0.00% | +583+1.5% | Added |
| Financial Security Advisor, Inc. | 50,278 | $169.4K | 0.08% | +50,278 | New |
| Nuveen Asset Management, LLC | 61,099 | $205.9K | 0.00% | −742−1.2% | Reduced |
| Charles Schwab Investment Management Inc | 77,018 | $259.6K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 82,000 | $276.3K | 0.01% | +64,000+355.6% | Added |
| Bank of New York Mellon Corp | 90,687 | $305.6K | 0.00% | −200.0% | Reduced |
| Northern Trust Corp | 221,040 | $744.9K | 0.00% | −1,800−0.8% | Reduced |
| VR Adviser, LLC | 268,532 | $905.0K | 0.10% | 00.0% | Unchanged |
| Citadel Advisors LLC | 281,956 | $950.2K | 0.00% | −13,412−4.5% | Reduced |
| Sectoral Asset Management Inc | 375,960 | $1.27M | 0.25% | 00.0% | Unchanged |
| CHI Advisors LLC | 390,734 | $1.32M | 0.52% | −152,040−28.0% | Reduced |
| Mariner, LLC | 408,180 | $1.38M | 0.00% | −198,303−32.7% | Reduced |
| Geode Capital Management, LLC | 498,254 | $1.68M | 0.00% | +4,883+1.0% | Added |
| State Street Corp | 504,826 | $1.70M | 0.00% | +11,746+2.4% | Added |
| Laurion Capital Management LP | 783,391 | $2.64M | 0.07% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,049,831 | $3.54M | 0.00% | +11,710+1.1% | Added |
| BlackRock Inc. | 1,631,290 | $5.50M | 0.00% | −22,569−1.4% | Reduced |
| Canaan Partners XI LLC | 2,059,712 | $6.94M | 6.09% | 00.0% | Unchanged |
| Novo Holdings A/S | 2,187,999 | $7.37M | 0.54% | 00.0% | Unchanged |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,404,644 | $8.10M | 3.23% | 00.0% | Unchanged |
| TPG GP A, LLC | 3,028,414 | $10.2M | 0.18% | 00.0% | Unchanged |
| FMR LLC | 3,246,287 | $10.9M | 0.00% | +5740.0% | Added |
| New Leaf Venture Partners, L.L.C. | 3,301,603 | $11.1M | 14.29% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 3,630,724 | $12.2M | 3.52% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $14.1M | 0.06% | 00.0% | Unchanged |
| 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 |