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, Q4 2022
Institutional positions in Rallybio Corp as of Dec 31, 2022. 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
- +6 vs. Q3 2022
- Shares held
- 32.3M
- +5.28M (+19.5%) vs. Q3 2022
- Total value
- $212.3M
- −$178.9M (−45.7%) vs. Q3 2022
- New holders
- 10
- 27 more added
- Sold out
- 4
- 11 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Rallybio Corp; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,194,777 | $27.6M | 0.14% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 3,730,724 | $24.5M | 6.59% | 00.0% | Unchanged |
| New Leaf Venture Partners, L.L.C. | 3,301,603 | $21.7M | 15.70% | +1,000,000+43.4% | Added |
| FMR LLC | 3,245,425 | $21.3M | 0.00% | +351,577+12.1% | Added |
| TPG GP A, LLC | 3,028,414 | $19.9M | 0.39% | 00.0% | Unchanged |
| Pivotal bioVenture Partners Investment Advisor LLC | 2,404,644 | $15.8M | 6.87% | +133,333+5.9% | Added |
| Novo Holdings A/S | 2,296,007 | $15.1M | 0.94% | +1,665,086+263.9% | Added |
| Canaan Partners XI LLC | 2,059,712 | $13.5M | 10.63% | −350,000−14.5% | Reduced |
| Tekla Capital Management LLC | 1,727,067 | $11.3M | 0.43% | −13,864−0.8% | Reduced |
| Vanguard Group Inc | 968,702 | $6.36M | 0.00% | +170,066+21.3% | Added |
| BlackRock Inc. | 948,701 | $6.23M | 0.00% | −36,674−3.7% | Reduced |
| Laurion Capital Management LP | 783,291 | $5.15M | 0.14% | +381,291+94.8% | Added |
| CHI Advisors LLC | 726,109 | $4.77M | 1.27% | +531,812+273.7% | Added |
| Sectoral Asset Management Inc | 619,891 | $4.07M | 0.79% | +386,510+165.6% | Added |
| Citadel Advisors LLC | 353,376 | $2.32M | 0.00% | +353,376 | New |
| Geode Capital Management, LLC | 299,077 | $1.96M | 0.00% | +37,359+14.3% | Added |
| State Street Corp | 269,814 | $1.77M | 0.00% | +17,222+6.8% | Added |
| VR Adviser, LLC | 268,532 | $1.76M | 0.30% | 00.0% | Unchanged |
| Caas Capital Management LP | 261,747 | $1.72M | 0.33% | +261,747 | New |
| Vontobel Holding Ltd. | 175,977 | $1.16M | 0.01% | +175,977 | New |
| Northern Trust Corp | 134,631 | $884.5K | 0.00% | +8,501+6.7% | Added |
| Walleye Capital LLC | 80,094 | $526.2K | 0.01% | +80,094 | New |
| Bank of New York Mellon Corp | 51,740 | $339.9K | 0.00% | +10,090+24.2% | Added |
| Charles Schwab Investment Management Inc | 46,477 | $305.4K | 0.00% | +6,230+15.5% | Added |
| Bank of America Corp | 40,684 | $267.3K | 0.00% | +37,841+1,331.0% | Added |
| Dimensional Fund Advisors LP | 38,649 | $254.0K | 0.00% | +15,483+66.8% | Added |
| Nuveen Asset Management, LLC | 22,825 | $150.0K | 0.00% | +421+1.9% | Added |
| Rhumbline Advisers | 21,966 | $144.0K | 0.00% | +1,451+7.1% | Added |
| HarbourVest Partners LLC | 21,877 | $143.7K | 0.05% | +21,877 | New |
| Goldman Sachs Group Inc | 20,849 | $137.0K | 0.00% | −12,668−37.8% | Reduced |
| Mariner, LLC | 17,715 | $116.0K | 0.00% | −2,856−13.9% | Reduced |
| State of Tennessee, Treasury Department | 16,625 | $109.0K | 0.00% | +16,625 | New |
| Renaissance Technologies LLC | 13,800 | $91.0K | 0.00% | +13,800 | New |
| Utah Retirement Systems | 13,240 | $87.0K | 0.00% | +13,240 | New |
| Squarepoint Ops LLC | 13,170 | $86.5K | 0.00% | +13,170 | New |
| Northeast Financial Consultants Inc | 13,066 | $85.8K | 0.01% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 11,360 | $74.0K | 0.00% | +563+5.2% | Added |
| New York State Common Retirement Fund | 10,343 | $68.0K | 0.00% | +6+0.1% | Added |
| MetLife Investment Management | 10,279 | $67.5K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 8,711 | $57.2K | 0.00% | +1,137+15.0% | Added |
| Deutsche Bank AG | 8,139 | $53.5K | 0.00% | +106+1.3% | Added |
| California State Teachers Retirement System | 7,351 | $48.3K | 0.00% | +1,054+16.7% | Added |
| Barclays PLC | 4,946 | $32.5K | 0.00% | +4,270+631.7% | Added |
| UBS Group AG | 4,892 | $32.1K | 0.00% | +4,024+463.6% | Added |
| Royal Bank of Canada | 2,819 | $18.0K | 0.00% | +2,624+1,345.6% | Added |
| Amalgamated Bank | 2,449 | $16.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,376 | $15.5K | 0.00% | +555+30.5% | Added |
| Ameritas Investment Partners, Inc. | 1,410 | $11.3K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 1,700 | $11.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 1,622 | $10.7K | 0.00% | −4,853−74.9% | Reduced |
| Metropolitan Life Insurance Co | 1,318 | $8.66K | 0.00% | +152+13.0% | Added |
| Tower Research Capital LLC (TRC) | 1,062 | $7.00K | 0.00% | −2,112−66.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,006 | $6.61K | 0.00% | −22−2.1% | Reduced |
| Citigroup Inc | 650 | $4.27K | 0.00% | −100−13.3% | Reduced |
| Resources Management Corp | 250 | $2.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 300 | $1.97K | 0.00% | −224−42.7% | Reduced |
| Credit Suisse AG | 1 | $7 | 0.00% | −87−98.9% | Reduced |
| Nisa Investment Advisors, LLC | 18 | $0 | 0.00% | +18 | New |
| Alps Advisors Inc | 0 | $0 | 0.00% | −17,576−100.0% | Sold out |
| China Universal Asset Management Co., Ltd. | 0 | $0 | 0.00% | −301−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −94−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| AJU IB Investment Co., Ltd. | – | – | – | – | Not filed |