Rallybio Corporation

NasdaqCM:RLYB Stock Report

Market Cap: US$28.7m

Rallybio Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of RLYB?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,730,5104.1%
Hedge Funds4,194,7779.93%
Institutions8,197,99819.4%
General Public12,118,74128.7%
VC/PE Firms16,001,74837.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 70.49% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.93%
Viking Global Investors LP
4,194,777US$2.8m0%0.01%
8.61%
Johnson & Johnson Innovation - JJDC, Inc.
3,636,363US$2.5m0%0.46%
8.59%
5AM Venture Management, LLC
3,630,724US$2.5m0%0.72%
7.82%
New Leaf Venture Partners, LLC
3,301,603US$2.2m0%3.78%
7.17%
TPG Capital, L.P.
3,028,414US$2.1m0%0.01%
5.69%
Pivotal BioVenture Partners LLC
2,404,644US$1.6m0%0.5%
4.01%
Impresa Management LLC
1,694,388US$1.2m0%0.78%
3.64%
Almitas Capital LLC
1,538,727US$1.0m-15.3%0.2%
2.37%
The Vanguard Group, Inc.
999,627US$678.7k9.86%no data
1.79%
AJU IB INVESTMENT Co., Ltd.
754,678US$512.4k0%0.26%
1.74%
Martin MacKay
734,540US$498.8k0%no data
1.73%
Stephen Uden
730,363US$495.9k0%no data
1.69%
Renaissance Technologies LLC
714,800US$485.3k47.4%no data
1.07%
Canaan Management, Inc.
450,000US$305.6k-52.2%0.14%
1.04%
Citadel Advisors LLC
438,705US$297.9k576%no data
0.96%
Mariner, LLC
404,546US$274.7k0%no data
0.58%
Geode Capital Management, LLC
245,009US$166.4k0%no data
0.48%
Steven Ryder
203,606US$138.2k0%no data
0.34%
BlackRock, Inc.
141,663US$96.2k-8.4%no data
0.32%
Susquehanna International Group, LLP
136,294US$92.5k486%no data
0.24%
BBVA Asset Management, S.A., S.G.I.I.C
100,761US$68.4k0%no data
0.21%
Acadian Asset Management LLC
90,247US$61.3k0%no data
0.2%
Rangeley Capital, LLC
83,007US$56.4k0%0.04%
0.15%
State Street Global Advisors, Inc.
62,072US$42.1k0%no data
0.14%
XTX Markets Limited
59,108US$40.1k6.54%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/01/06 12:42
End of Day Share Price 2026/01/05 00:00
Earnings2025/09/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Rallybio Corporation is covered by 5 analysts. 3 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Jonathan WollebenCitizens JMP Securities, LLC
Eun Kyung YangJefferies LLC
Catherine NovackJonesTrading Institutional Services, LLC