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, Q1 2024
Institutional positions in Rallybio Corp as of Mar 31, 2024. 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
- 62
- +8 vs. Q4 2023
- Shares held
- 30.2M
- −1.55M (−4.9%) vs. Q4 2023
- Total value
- $55.9M
- −$20.0M (−26.4%) vs. Q4 2023
- New holders
- 13
- 15 more added
- Sold out
- 5
- 17 more reduced
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Rallybio Corp; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Resources Management Corp | 250 | $0 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 203 | $0 | 0.00% | +203 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 5 | $9 | 0.00% | +5 | New |
| Farther Finance Advisors, LLC | 9 | $16 | 0.00% | +9 | New |
| Nisa Investment Advisors, LLC | 10 | $19 | 0.00% | +10 | New |
| Royal Bank of Canada | 699 | $1.00K | 0.00% | −8,422−92.3% | Reduced |
| Amalgamated Bank | 559 | $1.00K | 0.00% | −1,636−74.5% | Reduced |
| STRS Ohio | 1,600 | $2.00K | 0.00% | −100−5.9% | Reduced |
| Federated Hermes, Inc. | 1,738 | $3.21K | 0.00% | +1,738 | New |
| Ameritas Investment Partners, Inc. | 2,525 | $4.67K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,946 | $5.46K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 3,472 | $6.42K | 0.00% | −1,560−31.0% | Reduced |
| Russell Investments Group, Ltd. | 4,045 | $7.48K | 0.00% | +4,045 | New |
| Citigroup Inc | 6,348 | $11.7K | 0.00% | −7,283−53.4% | Reduced |
| Tower Research Capital LLC (TRC) | 8,119 | $15.0K | 0.00% | +4,410+118.9% | Added |
| Captrust Financial Advisors | 10,031 | $18.6K | 0.00% | +10,031 | New |
| Mercer Global Advisors Inc | 10,000 | $19.0K | 0.00% | +10,000 | New |
| New York State Common Retirement Fund | 10,467 | $19.4K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 10,565 | $20.0K | 0.00% | −6,248−37.2% | Reduced |
| Capstone Investment Advisors, LLC | 10,900 | $20.2K | 0.00% | +900+9.0% | Added |
| Utah Retirement Systems | 13,240 | $24.5K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 13,243 | $24.5K | 0.00% | −5,775−30.4% | Reduced |
| Susquehanna International Group, LLP | 14,588 | $27.0K | 0.00% | +3,171+27.8% | Added |
| JPMorgan Chase & Co | 14,592 | $27.0K | 0.00% | −5,380−26.9% | Reduced |
| American International Group, Inc. | 15,067 | $27.9K | 0.00% | −130−0.9% | Reduced |
| ADAR1 Capital Management, LLC | 17,942 | $33.2K | 0.01% | +17,942 | New |
| Dimensional Fund Advisors LP | 21,203 | $39.2K | 0.00% | −8,440−28.5% | Reduced |
| HarbourVest Partners LLC | 21,877 | $40.5K | 0.02% | 00.0% | Unchanged |
| Northeast Financial Consultants Inc | 22,088 | $40.9K | 0.00% | +22,088 | New |
| XTX Topco Ltd | 22,791 | $42.2K | 0.01% | +22,791 | New |
| Bank of America Corp | 23,919 | $44.3K | 0.00% | −37,307−60.9% | Reduced |
| Wells Fargo & Company | 26,015 | $48.1K | 0.00% | +16,386+170.2% | Added |
| Marshall Wace, LLP | 29,032 | $53.7K | 0.00% | +14,007+93.2% | Added |
| UBS Group AG | 30,673 | $56.7K | 0.00% | +4,941+19.2% | Added |
| Acadian Asset Management LLC | 31,294 | $57.0K | 0.00% | +31,294 | New |
| Squarepoint Ops LLC | 36,425 | $67.4K | 0.00% | +22,389+159.5% | Added |
| Barclays PLC | 37,020 | $68.5K | 0.00% | −20,459−35.6% | Reduced |
| Rhumbline Advisers | 39,954 | $73.9K | 0.00% | +1,195+3.1% | Added |
| Nuveen Asset Management, LLC | 63,849 | $118.1K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 76,382 | $141.3K | 0.00% | −22,737−22.9% | Reduced |
| Charles Schwab Investment Management Inc | 77,018 | $142.5K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 90,316 | $167.1K | 0.00% | +380.0% | Added |
| Bridgeway Capital Management, LLC | 96,200 | $178.0K | 0.00% | −32,300−25.1% | Reduced |
| Millennium Management LLC | 196,779 | $364.0K | 0.00% | +161,208+453.2% | Added |
| Northern Trust Corp | 244,765 | $452.8K | 0.00% | −5,023−2.0% | Reduced |
| Blue Owl Capital Holdings LP | 350,240 | $647.9K | 0.13% | 00.0% | Unchanged |
| Citadel Advisors LLC | 399,662 | $739.4K | 0.00% | +81,200+25.5% | Added |
| Mariner, LLC | 405,631 | $750.4K | 0.00% | +976+0.2% | Added |
| Renaissance Technologies LLC | 488,100 | $903.0K | 0.00% | +488,100 | New |
| State Street Corp | 513,718 | $950.4K | 0.00% | +5,148+1.0% | Added |
| Geode Capital Management, LLC | 519,648 | $961.4K | 0.00% | +14,387+2.8% | Added |
| Laurion Capital Management LP | 783,391 | $1.45M | 0.04% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,076,771 | $1.99M | 0.00% | +12,801+1.2% | Added |
| BlackRock Inc. | 1,675,966 | $3.10M | 0.00% | −79,628−4.5% | Reduced |
| Standard Life Aberdeen plc | 1,727,067 | $3.20M | 0.01% | 00.0% | Unchanged |
| Canaan Partners XI LLC | 2,059,712 | $3.81M | 4.20% | 00.0% | Unchanged |
| FMR LLC | 2,279,618 | $4.22M | 0.00% | −255,953−10.1% | Reduced |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,404,644 | $4.45M | 2.86% | 00.0% | Unchanged |
| TPG GP A, LLC | 3,028,414 | $5.60M | 0.11% | 00.0% | Unchanged |
| New Leaf Venture Partners, L.L.C. | 3,301,603 | $6.11M | 5.35% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 3,630,724 | $6.72M | 1.50% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $7.76M | 0.03% | 00.0% | Unchanged |
| Novo Holdings A/S | 0 | $0 | 0.00% | −1,767,861−100.0% | Sold out |
| Anson Funds Management LP | 0 | $0 | 0.00% | −183,970−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −24,719−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −14,145−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −13,254−100.0% | Sold out |