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 2023
Institutional positions in Rallybio Corp as of Mar 31, 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
- 53
- −5 vs. Q4 2022
- Shares held
- 32.1M
- −203.2K (−0.6%) vs. Q4 2022
- Total value
- $183.3M
- −$29.0M (−13.6%) vs. Q4 2022
- New holders
- 3
- 19 more added
- Sold out
- 8
- 14 more reduced
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Rallybio Corp; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nisa Investment Advisors, LLC | 18 | $0 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,053 | $6.00K | 0.00% | −1,766−62.6% | Reduced |
| Ameritas Investment Partners, Inc. | 1,410 | $8.05K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 1,700 | $9.00K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,054 | $12.0K | 0.00% | +992+93.4% | Added |
| Amalgamated Bank | 2,356 | $13.0K | 0.00% | −93−3.8% | Reduced |
| Legal & General Group Plc | 2,376 | $13.6K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 3,878 | $22.1K | 0.00% | +3,578+1,192.7% | Added |
| California State Teachers Retirement System | 6,995 | $39.9K | 0.00% | −356−4.8% | Reduced |
| UBS Group AG | 7,056 | $40.3K | 0.00% | +2,164+44.2% | Added |
| American International Group, Inc. | 9,081 | $51.9K | 0.00% | +370+4.2% | Added |
| Morgan Stanley | 9,334 | $53.3K | 0.00% | +7,712+475.5% | Added |
| Barclays PLC | 9,577 | $54.7K | 0.00% | +4,631+93.6% | Added |
| Mercer Global Advisors Inc | 10,000 | $57.0K | 0.00% | +10,000 | New |
| Ergoteles LLC | 10,068 | $57.5K | 0.00% | +10,068 | New |
| New York State Common Retirement Fund | 10,365 | $59.2K | 0.00% | +22+0.2% | Added |
| Northeast Financial Consultants Inc | 13,066 | $74.6K | 0.00% | 00.0% | Unchanged |
| Utah Retirement Systems | 13,240 | $75.6K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 16,439 | $93.9K | 0.00% | +8,300+102.0% | Added |
| State of Tennessee, Treasury Department | 16,625 | $94.9K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 17,919 | $102.0K | 0.00% | +204+1.2% | Added |
| Bank of America Corp | 20,499 | $117.0K | 0.00% | −20,185−49.6% | Reduced |
| Goldman Sachs Group Inc | 20,579 | $117.5K | 0.00% | −270−1.3% | Reduced |
| HarbourVest Partners LLC | 21,877 | $124.9K | 0.04% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 22,825 | $130.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 23,106 | $132.0K | 0.00% | +1,140+5.2% | Added |
| DekaBank Deutsche Girozentrale | 30,000 | $168.0K | 0.00% | +30,000 | New |
| Dimensional Fund Advisors LP | 30,503 | $174.2K | 0.00% | −8,146−21.1% | Reduced |
| JPMorgan Chase & Co | 31,357 | $179.0K | 0.00% | +19,997+176.0% | Added |
| Bank of New York Mellon Corp | 51,334 | $293.1K | 0.00% | −406−0.8% | Reduced |
| Charles Schwab Investment Management Inc | 54,652 | $312.1K | 0.00% | +8,175+17.6% | Added |
| Northern Trust Corp | 154,435 | $881.8K | 0.00% | +19,804+14.7% | Added |
| Caas Capital Management LP | 164,328 | $938.3K | 0.30% | −97,419−37.2% | Reduced |
| Vontobel Holding Ltd. | 175,977 | $1.00M | 0.01% | 00.0% | Unchanged |
| VR Adviser, LLC | 268,532 | $1.53M | 0.30% | 00.0% | Unchanged |
| State Street Corp | 273,992 | $1.56M | 0.00% | +4,178+1.5% | Added |
| Citadel Advisors LLC | 353,319 | $2.02M | 0.00% | −570.0% | Reduced |
| Geode Capital Management, LLC | 363,760 | $2.08M | 0.00% | +64,683+21.6% | Added |
| Sectoral Asset Management Inc | 551,937 | $3.15M | 0.61% | −67,954−11.0% | Reduced |
| CHI Advisors LLC | 760,543 | $4.34M | 1.15% | +34,434+4.7% | Added |
| Laurion Capital Management LP | 783,391 | $4.47M | 0.20% | +1000.0% | Added |
| BlackRock Inc. | 931,495 | $5.32M | 0.00% | −17,206−1.8% | Reduced |
| Vanguard Group Inc | 995,020 | $5.68M | 0.00% | +26,318+2.7% | Added |
| Tekla Capital Management LLC | 1,727,067 | $9.86M | 0.38% | 00.0% | Unchanged |
| Canaan Partners XI LLC | 2,059,712 | $11.8M | 8.46% | 00.0% | Unchanged |
| Novo Holdings A/S | 2,270,110 | $13.0M | 0.92% | −25,897−1.1% | Reduced |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,404,644 | $13.7M | 5.65% | 00.0% | Unchanged |
| TPG GP A, LLC | 3,028,414 | $17.3M | 0.28% | 00.0% | Unchanged |
| FMR LLC | 3,245,255 | $18.5M | 0.00% | −1700.0% | Reduced |
| New Leaf Venture Partners, L.L.C. | 3,301,603 | $18.9M | 15.58% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 3,630,724 | $20.7M | 5.30% | −100,000−2.7% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $24.0M | 0.11% | 00.0% | Unchanged |
| Resources Management Corp | 450 | – | – | +200+80.0% | Added |
| Walleye Capital LLC | 0 | $0 | 0.00% | −80,094−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −13,800−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −13,170−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −10,279−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −1,318−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −1,006−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −650−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −1−100.0% | Sold out |