Who Owns Rallybio Stock?
NASDAQ: RLYBHealth CareBiotechnology: Pharmaceutical PreparationsUSD
Market open · Delayed 15 min · as of Oct 9, 3:58 PM ET
Ownership breakdown
- Held by institutions
- 86.14%
- Institutions (% of float)
- 113.51%
- Held by insiders
- 24.11%
- Institutional holders
- 42
- Institutions 75.9%
- Insiders 24.1%
- Public and other 0.0%
Who owns Rallybio stock?
Institutional investors own about 86.1% of Rallybio's shares, spread across 42 institutions that file 13F reports. That level of institutional ownership is high, typical of large, widely followed companies. Insiders, including executives, directors and large founding shareholders, hold 24.11% of RLYB.
The largest institutional holders are Adar1 Capital Management, LLC (17.44%), FMR, LLC (14.97%) and Viking Global Investors, L.P. (9.87%). Together, the top 10 institutions control 69.9% of shares outstanding. In their latest filings, 5 of the top 10 institutions increased their RLYB positions and 2 reduced them.
Summary generated from market data by MetaCap's automated system. Methodology
Top institutional holders of RLYB
| Institution | Shares | % Held | Change |
|---|---|---|---|
| Adar1 Capital Management, LLC | 926.35K | 17.44% | +4411.1% |
| FMR, LLC | 794.72K | 14.97% | +0.2% |
| Viking Global Investors, L.P. | 524.35K | 9.87% | 0.0% |
| TPG GP A, LLC | 378.55K | 7.13% | 0.0% |
| Pivotal bioVenture Partners Investment Advisor, LLC | 300.58K | 5.66% | 0.0% |
| Renaissance Technologies, LLC | 199.91K | 3.76% | +27.7% |
| Nantahala Capital Management, LLC | 188.42K | 3.55% | -37.3% |
| Vanguard Capital Management LLC | 172.50K | 3.25% | +54.0% |
| Almitas Capital LLC | 120.68K | 2.27% | -36.9% |
| Rangeley Capital, LLC | 104.85K | 1.97% | +248.0% |
% held is the share of total shares outstanding. Change is the percentage change in the position since the holder's previous 13F filing.
Top mutual fund and ETF holders of RLYB
| Fund | Shares | % Held |
|---|---|---|
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund | 207.41K | 3.91% |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 134.62K | 2.53% |
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company K6 Fund | 56.78K | 1.07% |
| Fidelity Mt. Vernon Street Trust-Fidelity Series Growth Company Fund | 53.60K | 1.01% |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 32.45K | 0.61% |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 13.84K | 0.26% |
| iShares Trust-iShares Micro-Cap ETF | 11.75K | 0.22% |
| Dimensional ETF Trust-Dimensional U.S. Small Cap ETF | 6.67K | 0.13% |
| DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Micro Cap Portfolio | 4.61K | 0.09% |
| Fidelity Concord Street Trust-Fidelity Series Total Market Index Fund | 4.51K | 0.08% |
Frequently asked questions
Who is the largest shareholder of Rallybio?
Adar1 Capital Management, LLC is the largest institutional shareholder of RLYB, owning 17.44% of shares outstanding (926.35K shares) as of its latest 13F filing.
What percentage of Rallybio is owned by institutions?
Institutions own about 86.1% of RLYB shares and 113.5% of the public float.
How much of Rallybio do insiders own?
Insiders, such as officers and directors, own about 24.11% of RLYB shares outstanding.
Where does institutional ownership data come from?
Investment managers with more than $100 million in US equities must file Form 13F with the SEC within 45 days of each quarter-end. Holdings are therefore up to about 4.5 months old when published.