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, Q2 2023
Institutional positions in Rallybio Corp as of Jun 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
- 59
- +6 vs. Q1 2023
- Shares held
- 33.3M
- +1.15M (+3.6%) vs. Q1 2023
- Total value
- $188.3M
- +$4.92M (+2.7%) vs. Q1 2023
- New holders
- 11
- 24 more added
- Sold out
- 5
- 10 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Rallybio Corp; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $23.7M | 0.10% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 3,630,724 | $20.5M | 5.12% | 00.0% | Unchanged |
| New Leaf Venture Partners, L.L.C. | 3,301,603 | $18.7M | 16.05% | 00.0% | Unchanged |
| FMR LLC | 3,245,713 | $18.4M | 0.00% | +4580.0% | Added |
| TPG GP A, LLC | 3,028,414 | $17.1M | 0.25% | 00.0% | Unchanged |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,404,644 | $13.6M | 4.49% | 00.0% | Unchanged |
| Novo Holdings A/S | 2,187,999 | $12.4M | 0.96% | −82,111−3.6% | Reduced |
| Canaan Partners XI LLC | 2,059,712 | $11.7M | 8.26% | 00.0% | Unchanged |
| Tekla Capital Management LLC | 1,727,067 | $9.78M | 0.38% | 00.0% | Unchanged |
| BlackRock Inc. | 1,653,859 | $9.36M | 0.00% | +722,364+77.5% | Added |
| Vanguard Group Inc | 1,038,121 | $5.88M | 0.00% | +43,101+4.3% | Added |
| Laurion Capital Management LP | 783,391 | $4.43M | 0.19% | 00.0% | Unchanged |
| Mariner, LLC | 606,483 | $3.43M | 0.01% | +588,564+3,284.6% | Added |
| CHI Advisors LLC | 542,774 | $3.07M | 0.93% | −217,769−28.6% | Reduced |
| Geode Capital Management, LLC | 493,371 | $2.79M | 0.00% | +129,611+35.6% | Added |
| State Street Corp | 493,080 | $2.79M | 0.00% | +219,088+80.0% | Added |
| Sectoral Asset Management Inc | 375,960 | $2.13M | 0.35% | −175,977−31.9% | Reduced |
| Citadel Advisors LLC | 295,368 | $1.67M | 0.00% | −57,951−16.4% | Reduced |
| VR Adviser, LLC | 268,532 | $1.52M | 0.24% | 00.0% | Unchanged |
| Northern Trust Corp | 222,840 | $1.26M | 0.00% | +68,405+44.3% | Added |
| Bank of New York Mellon Corp | 90,707 | $513.4K | 0.00% | +39,373+76.7% | Added |
| Charles Schwab Investment Management Inc | 77,018 | $435.9K | 0.00% | +22,366+40.9% | Added |
| Nuveen Asset Management, LLC | 61,841 | $350.0K | 0.00% | +39,016+170.9% | Added |
| Goldman Sachs Group Inc | 46,054 | $260.7K | 0.00% | +25,475+123.8% | Added |
| Rhumbline Advisers | 38,186 | $216.1K | 0.00% | +15,080+65.3% | Added |
| Dimensional Fund Advisors LP | 34,211 | $193.6K | 0.00% | +3,708+12.2% | Added |
| Caas Capital Management LP | 31,470 | $178.1K | 0.09% | −132,858−80.8% | Reduced |
| JPMorgan Chase & Co | 24,683 | $139.7K | 0.00% | −6,674−21.3% | Reduced |
| Bank of America Corp | 23,387 | $132.4K | 0.00% | +2,888+14.1% | Added |
| Morgan Stanley | 21,916 | $124.0K | 0.00% | +12,582+134.8% | Added |
| HarbourVest Partners LLC | 21,877 | $123.8K | 0.04% | 00.0% | Unchanged |
| Northeast Financial Consultants Inc | 18,151 | $102.7K | 0.01% | +5,085+38.9% | Added |
| Bridgeway Capital Management, LLC | 18,000 | $101.9K | 0.00% | +18,000 | New |
| UBS Group AG | 17,660 | $100.0K | 0.00% | +10,604+150.3% | Added |
| MetLife Investment Management | 16,979 | $96.1K | 0.00% | +16,979 | New |
| American International Group, Inc. | 14,715 | $83.3K | 0.00% | +5,634+62.0% | Added |
| Utah Retirement Systems | 13,240 | $74.9K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 13,144 | $74.4K | 0.00% | +13,144 | New |
| Price T Rowe Associates Inc | 12,770 | $74.0K | 0.00% | +12,770 | New |
| Voya Investment Management LLC | 12,492 | $70.7K | 0.00% | +12,492 | New |
| Deutsche Bank AG | 12,342 | $69.9K | 0.00% | −4,097−24.9% | Reduced |
| Wells Fargo & Company | 11,868 | $67.2K | 0.00% | +7,990+206.0% | Added |
| New York State Common Retirement Fund | 10,365 | $58.7K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 10,170 | $57.6K | 0.00% | +3,175+45.4% | Added |
| Millennium Management LLC | 10,141 | $57.4K | 0.00% | +10,141 | New |
| Mercer Global Advisors Inc | 10,000 | $57.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 9,129 | $51.7K | 0.00% | +9,129 | New |
| Barclays PLC | 6,103 | $34.5K | 0.00% | −3,474−36.3% | Reduced |
| Royal Bank of Canada | 4,348 | $25.0K | 0.00% | +3,295+312.9% | Added |
| Legal & General Group Plc | 2,946 | $16.7K | 0.00% | +570+24.0% | Added |
| Ameritas Investment Partners, Inc. | 2,525 | $14.3K | 0.00% | +1,115+79.1% | Added |
| Amalgamated Bank | 2,361 | $13.0K | 0.00% | +5+0.2% | Added |
| Metropolitan Life Insurance Co | 1,759 | $9.96K | 0.00% | +1,759 | New |
| STRS Ohio | 1,700 | $9.00K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,543 | $8.73K | 0.00% | −511−24.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 465 | $2.63K | 0.00% | +465 | New |
| Russell Investments Group, Ltd. | 273 | $1.54K | 0.00% | +273 | New |
| Resources Management Corp | 250 | $1.00K | 0.00% | −200−44.4% | Reduced |
| Toronto Dominion Bank | 107 | $1.00K | 0.00% | +107 | New |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −175,977−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −16,625−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −10,068−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |