RallybioRLYB
13F holders, Q1 2024 (March 31)62holders
4famous investors
$1.85avg. 13F price*
At the end of Q1 2024, 62 institutions reported holding Rallybio Corp. (RLYB) in their 13F filings. The largest holders were Viking Global Investors ($7.8M), 5AM Venture Management, LLC ($6.7M) and New Leaf Venture Partners, L.L.C. ($6.1M). 4 famous investors held it, including Andreas Halvorsen (0.0% of Viking Global Investors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Rallybio Corp.
- CUSIP
- 75120L100
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 13 | $1.1M |
| Exits | 5 | $4.8M |
Ownership 62 holders
| Viking Global Investors | 0.03% | No change | 4,194,777 | $7.8M |
| 5AM Venture Management, LLC | 1.50% | No change | 3,630,724 | $6.7M |
| New Leaf Venture Partners, L.L.C. | 5.35% | No change | 3,301,603 | $6.1M |
| TPG GP A, LLC | 0.11% | No change | 3,028,414 | $5.6M |
| Pivotal bioVenture Partners Investment Advisor LLC | 2.86% | No change | 2,404,644 | $4.4M |
| FMR LLC | 0.00% | Reduce -10.1% | 2,279,618 | $4.2M |
| Canaan Partners XI LLC | 4.20% | No change | 2,059,712 | $3.8M |
| Aberdeen Group plc | 0.01% | No change | 1,727,067 | $3.2M |
| BlackRock Inc. | 0.00% | Reduce -4.5% | 1,675,966 | $3.1M |
| Vanguard Group Inc. | 0.00% | Add +1.2% | 1,076,771 | $2.0M |
| Laurion Capital Management LP | 0.04% | No change | 783,391 | $1.4M |
| Geode Capital Management, LLC | 0.00% | Add +2.9% | 519,648 | $961K |
| State Street Corp. | 0.00% | Add +1.0% | 513,718 | $950K |
| Renaissance Technologies | 0.00% | New | 488,100 | $903K |
| Mariner, LLC | 0.00% | Add +0.2% | 405,631 | $750K |
| Citadel Advisors | 0.00% | Add +25.5% | 399,662 | $739K |
| Blue Owl Capital Holdings LP | 0.13% | No change | 350,240 | $648K |
| Northern Trust Corp. | 0.00% | Reduce -2.0% | 244,765 | $453K |
| Millennium Management | 0.00% | Add +453.2% | 196,779 | $364K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -25.1% | 96,200 | $178K |
| Bank of New York Mellon Corp | 0.00% | Add +0.0% | 90,316 | $167K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 77,018 | $142K |
| Morgan Stanley | 0.00% | Reduce -22.9% | 76,382 | $141K |
| Nuveen Asset Management, LLC | 0.00% | No change | 63,849 | $118K |
| Rhumbline Advisers | 0.00% | Add +3.1% | 39,954 | $74K |
| Barclays PLC | 0.00% | Reduce -35.6% | 37,020 | $68K |
| Squarepoint Ops LLC | 0.00% | Add +159.5% | 36,425 | $67K |
| Acadian Asset Management LLC | 0.00% | New | 31,294 | $57K |
| UBS Group AG | 0.00% | Add +19.2% | 30,673 | $57K |
| Marshall Wace, LLP | 0.00% | Add +93.2% | 29,032 | $54K |
| Wells Fargo & Company | 0.00% | Add +170.2% | 26,015 | $48K |
| Bank of America Corp. | 0.00% | Reduce -60.9% | 23,919 | $44K |
| XTX Topco Ltd | 0.01% | New | 22,791 | $42K |
| Northeast Financial Consultants Inc | 0.00% | New | 22,088 | $41K |
| HarbourVest Partners LLC | 0.02% | No change | 21,877 | $40K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -28.5% | 21,203 | $39K |
| ADAR1 Capital Management, LLC | 0.01% | New | 17,942 | $33K |
| American International Group, Inc. | 0.00% | Reduce -0.9% | 15,067 | $28K |
| JPMorgan Chase & Co. | 0.00% | Reduce -26.9% | 14,592 | $27K |
| Susquehanna International Group, LLP | 0.00% | Add +27.8% | 14,588 | $27K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -30.4% | 13,243 | $25K |
| Utah Retirement Systems | 0.00% | No change | 13,240 | $24K |
| Capstone Investment Advisors, LLC | 0.00% | Add +9.0% | 10,900 | $20K |
| SG Americas Securities, LLC | 0.00% | Reduce -37.2% | 10,565 | $20K |
| New York State Common Retirement Fund | 0.00% | No change | 10,467 | $19K |
| Mercer Global Advisors Inc. | 0.00% | New | 10,000 | $19K |
| Captrust Financial Advisors | 0.00% | New | 10,031 | $19K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +118.9% | 8,119 | $15K |
| Citigroup Inc. | 0.00% | Reduce -53.4% | 6,348 | $12K |
| Russell Investments Group, Ltd. | 0.00% | New | 4,045 | $7K |
| California State Teachers Retirement System | 0.00% | Reduce -31.0% | 3,472 | $6K |
| Legal & General Group Plc | 0.00% | No change | 2,946 | $5K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,525 | $5K |
| Federated Hermes, Inc. | 0.00% | New | 1,738 | $3K |
| STRS Ohio | 0.00% | Reduce -5.9% | 1,600 | $2K |
| Amalgamated Bank | 0.00% | Reduce -74.5% | 559 | $1K |
| Royal Bank of Canada | 0.00% | Reduce -92.3% | 699 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | New | 10 | $19 |
| Farther Finance Advisors, LLC | 0.00% | New | 9 | $16 |
| Avior Wealth Management, LLC | 0.00% | New | 5 | $9 |
| Resources Management Corp. /CT/ | 0.00% | No change | 250 | $0 |
| Capital Advisors, Ltd. LLC | 0.00% | New | 203 | $0 |
"% of holder's portfolio" is RLYB's weight in each manager's 13F, not the share of Rallybio Corp. the manager owns.