Rallybio Ownership | Who Owns Rallybio?
Rallybio Ownership Summary
Rallybio is owned by 69.56% institutional investors, 4.14% insiders, and 26.30% retail investors. Viking global investors lp is the largest institutional shareholder, holding 9.35% of RLYB shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.52% of its assets in Rallybio shares.
RLYB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Rallybio | 69.56% | 4.14% | 26.30% |
| Sector | Healthcare Stocks | 488.30% | 11.08% | -399.38% |
| Industry | Biotech Stocks | 307.10% | 11.11% | -218.21% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Viking global investors lp | 4.19M | 9.35% | $1.42M |
| 5am venture management | 3.63M | 8.14% | $3.49M |
| Johnson & johnson | 3.64M | 8.11% | $1.21M |
| New leaf venture partners | 3.30M | 7.36% | $1.12M |
| Tpg gp a | 3.03M | 6.79% | $2.91M |
| Pivotal bioventure partners investment advisor | 2.40M | 5.36% | $812.77K |
| Almitas capital | 1.82M | 4.05% | $614.31K |
| Fmr | 1.77M | 3.96% | $1.70M |
| Abrdn | 1.60M | 3.56% | $539.20K |
| Vanguard group | 925.52K | 2.08% | $888.50K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| New leaf venture partners | 3.30M | 2.11% | $1.12M |
| 5am venture management | 3.63M | 0.83% | $3.49M |
| Pivotal bioventure partners investment advisor | 2.40M | 0.50% | $812.77K |
| Johnson & johnson | 3.64M | 0.36% | $1.21M |
| Aju ib investment | 754.68K | 0.28% | $255.08K |
| Canaan partners xi | 450.00K | 0.22% | $224.55K |
| Almitas capital | 1.82M | 0.15% | $614.31K |
| Tpg gp a | 3.03M | 0.05% | $2.91M |
| Laurion capital management lp | 735.54K | 0.00% | $248.61K |
| Viking global investors lp | 4.19M | 0.00% | $1.42M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Almitas capital | 1.82M | 0.15% | 516.91K |
| Goldman sachs group | 181.20K | - | 167.96K |
| Xtx topco | 55.48K | 0.00% | 55.48K |
| Renaissance | 441.32K | 0.00% | 37.62K |
| Hrt financial lp | 29.61K | - | 29.61K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 315.63K | - | -1.36M |
| Allostery investments lp | - | - | -752.24K |
| Fmr | 1.77M | 0.00% | -548.78K |
| Canaan partners xi | 450.00K | 0.22% | -490.98K |
| Blue owl capital lp | - | - | -350.24K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Hrt financial lp | 29.61K | - | 29.61K | $10.00K |
| Two sigma securities | 15.15K | 0.00% | 15.15K | $5.12K |
| Cubist systematic strategies | 1.82K | - | 1.82K | $2.44K |
| Macquarie group | 1.57K | - | 1.57K | $2.11K |
| Bnp paribas arbitrage, snc | 1.10K | - | 1.10K | $1.06K |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -5.00 |
| Farther finance advisors | -9.00 |
| Nisa investment advisors | -25.00 |
| Amalgamated bank | -559.00 |
| Point72 (difc) | -975.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 48 | 9.09% | 31,192,738 | 31.24% | 69 | 2.47% | 17 | 70.00% | 12 | -20.00% |
| Mar 31, 2025 | 47 | -4.08% | 32,001,262 | -1.32% | 71 | 1.35% | 11 | -45.00% | 15 | 36.36% |
| Dec 31, 2024 | 47 | -4.08% | 31,658,675 | 1.43% | 70 | 1.45% | 18 | 38.46% | 11 | -50.00% |
| Sep 30, 2024 | 49 | -20.97% | 31,212,752 | -1.30% | 69 | 1.16% | 14 | -56.25% | 22 | 46.67% |
| Jun 30, 2024 | 62 | 3.33% | 31,624,682 | 4.72% | 77 | 1.39% | 32 | 18.52% | 15 | -11.76% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 635.77K | 1.52% | -13.89K |
| abrdn Healthcare Investors | 630.00K | 1.51% | -125.08K |
| abrdn Healthcare Opportunities Fund | 594.62K | 1.43% | - |
| abrdn Healthcare Opportunities | 594.62K | 1.43% | - |
| Fidelity Select Biotechnology | 581.09K | 1.40% | - |
| abrdn Life Sciences Investors | 245.57K | 0.59% | -131.81K |
| Fidelity Global Micro-Cap F | 175.00K | 0.42% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 170.88K | 0.41% | -77.86K |
| Fidelity Extended Market Index | 123.79K | 0.30% | -871.00 |
| Vifag 2002 SICAV | 100.00K | 0.24% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 14, 2023 | Lieber Jonathan I | - | Buy | $26.05K |
| Mar 07, 2023 | PARMAR KUSH | - | Sell | $820.00K |
| Mar 07, 2023 | 5AM Partners V, LLC | - | Sell | $820.00K |
| Nov 15, 2022 | VIKING GLOBAL INVESTORS LP | - | Buy | $20.00M |
| Jun 03, 2022 | PARMAR KUSH | Sell | $1.25M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q2 | - | - |
| 2024 Q1 | - | - |
| 2023 Q2 | - | - |
RLYB Ownership FAQ
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