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RLYB Overview

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ET
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Intellectia

Loading chart...

High
11.290
Open
10.800
VWAP
10.91
Vol
181.66K
Mkt Cap
56.94M
Low
10.670
Amount
1.98M
EV/EBITDA(TTM)
--
Total Shares
5.29M
EV
-1.61M
EV/OCF(TTM)
--
P/S(TTM)
90.72
Rallybio Corporation is a clinical-stage biotechnology company engaged in developing and commercializing life-transforming therapies for patients with severe and rare diseases. It has a pipeline of product candidates aimed at addressing diseases with unmet medical need in the areas of complement dysregulation and hematology. The Company’s lead program, RLYB116, is a differentiated C5 inhibitor with the potential to treat diseases of complement dysregulation, with an initial focus on immune platelet transfusion refractoriness (PTR) and refractory antiphospholipid syndrome (APS). RLYB116 is a novel, once-weekly, small volume, subcutaneously injected C5 inhibitor designed to meet patient demand for a convenient, self-administered at-home solution. Its pipeline also includes RLYB332, a preclinical long-acting matriptase-2 antibody for the treatment of diseases of iron overload. Its RLYB114 is a pegylated C5 inhibitor in development for complement-mediated ophthalmic disorders.
Show More

Events Timeline

(ET)
2026-03-02
08:20:00
Rallybio to Acquire Candid Therapeutics, Secures Over $505M Financing
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2026-02-05 (ET)
2026-02-05
20:00:00
Rallybio Corp Trading Halted, News Pending
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2026-02-03 (ET)
2026-02-03
16:10:00
Rallybio to Effect 1-for-8 Reverse Stock Split
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2025-09-25 (ET)
2025-09-25
08:02:28
Rallybio finishes administering doses to initial group in RLYB116 trial
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2025-09-03 (ET)
2025-09-03
08:11:30
Rallybio Secures $12.5M Equity Milestone Payment from Recursion Pharmaceuticals
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2025-07-08 (ET)
2025-07-08
08:13:26
Rallybio to sell interest in REV102 to Recursion Pharmaceuticals for up to $25M
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2025-07-08
08:07:22
Recursion Pharmaceuticals acquires full rights to hypophosphatasia drug REV102
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2025-06-12 (ET)
2025-06-12
08:09:10
Rallybio initiates dosing in RLYB116 study
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2025-05-08 (ET)
2025-05-08
08:08:18
Rallybio reports Q1 EPS (21c), consensus (28c)
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News

PRnewswire
7.0
03-06PRnewswire
Investor Rights Law Firm Investigates Multiple Companies for Potential Violations
  • Merger Investigation: Halper Sadeh LLC is investigating the merger between Rallybio Corporation and Candid Therapeutics, Inc., with Rallybio shareholders expected to own approximately 3.65% of the combined entity, potentially impacting shareholder rights and future returns.
  • Legal Rights: The firm encourages shareholders of Rallybio and VerifyMe, Inc. to reach out to discuss their rights and options, indicating the legal risks and potential financial losses shareholders may face during the merger process.
  • Cash Acquisition: AES Corporation is being sold for $15.00 per share in cash to a consortium led by Global Infrastructure Partners and EQT Infrastructure VI fund, with Halper Sadeh LLC potentially seeking increased consideration or other compensation, reflecting a focus on shareholder interests.
  • Investor Protection: Halper Sadeh LLC represents investors globally, committed to combating securities fraud and corporate misconduct, having successfully recovered millions for defrauded investors in the past, underscoring its importance in safeguarding investor rights.
Benzinga
8.5
03-02Benzinga
Rallybio and Candid Merge to Advance T-Cell Engager Therapies
  • Merger Agreement: Rallybio has entered into a merger agreement with Candid Therapeutics, which is expected to enhance the company's portfolio of T-cell engager therapeutics for autoimmune diseases, thereby increasing its market competitiveness.
  • Strong Financing Support: Candid has secured over $505 million in financing, and the combined entity is projected to have approximately $700 million in cash, providing a robust financial foundation to support operations through 2030 and multiple clinical milestones.
  • Shareholder Structure Change: Post-merger, Rallybio shareholders are expected to own about 3.65% of the combined company, while Candid shareholders will hold approximately 96.35%, indicating Candid's dominant position in the merger.
  • Outstanding Market Performance: Despite a broader market decline, Rallybio's stock surged 29.05% to $9.73, reaching a new 52-week high, reflecting a positive market reaction to the merger news.
Businesswire
8.5
03-02Businesswire
Halper Sadeh Investigates Rallybio Merger with Candid Therapeutics
  • Merger Investigation Launched: Halper Sadeh LLC is investigating the merger between Rallybio Corporation and Candid Therapeutics, focusing on the fact that Rallybio shareholders will only own approximately 3.65% of the combined entity, which could impact shareholder rights.
  • Legal Compliance Issues: The investigation concerns whether Rallybio's board violated federal securities laws and fiduciary duties by failing to secure the best possible deal for shareholders, potentially harming their interests.
  • Sales Process Transparency: Halper Sadeh emphasizes that the fairness of the sales process and the absence of conflicts of interest are critical to the investigation, as any issues could affect the legality of the merger and shareholders' decision-making power.
  • Shareholder Rights Protection: Halper Sadeh may seek increased consideration, additional disclosures, or other remedies on behalf of shareholders to ensure that Rallybio shareholders' legal rights are protected.
seekingalpha
8.5
03-02seekingalpha
Rallybio Acquires Candid Therapeutics, Shares Surge 27%
  • Stock Surge: Rallybio (RLYB) shares rose approximately 27% in Monday morning trading, reflecting strong market confidence in the acquisition of Candid Therapeutics and the anticipated growth potential from this strategic move.
  • Acquisition Approval: The boards of both companies have approved the acquisition, which is expected to close midyear, indicating Rallybio's proactive strategy to expand its product line and market share in the competitive biotech landscape.
  • Financing Boost: A syndicate of healthcare institutional investors and mutual funds has agreed to invest $505 million in private financing for Candid, which not only supports Candid's R&D efforts but also enhances Rallybio's competitive position in the biopharmaceutical sector.
  • New Company Focus: The combined entity will operate under the name Candid Therapeutics with the ticker “CDRX,” focusing on two phase 1 assets targeting multiple myeloma and non-Hodgkin's lymphoma, showcasing its strategic positioning in the treatment landscape.
Benzinga
9.0
02-17Benzinga
Rallybio Reports Positive Phase 1 Trial Results
  • Clinical Trial Results: RLYB116 demonstrated complete and sustained inhibition of terminal complement at a 300 mg dose, indicating its potential as a new treatment option for complement-mediated diseases, which could significantly impact future therapeutic strategies.
  • Safety Profile: The 150 mg and 300 mg once-weekly dosing of RLYB116 was well tolerated, with no gastrointestinal side effects reported among participants, and mild-to-moderate injection site reactions were consistent with other subcutaneously administered biologics, ensuring patient safety and compliance.
  • Future Plans: Rallybio intends to initiate a Phase 2 clinical trial for immune platelet transfusion refractoriness in the second half of 2026, with topline data expected in 2027, which could enhance the company's market positioning and growth prospects in the healthcare sector.
  • Market Performance Analysis: Despite the healthcare sector's moderate performance, Rallybio's shares have decreased by 17.97% over the past 12 months, currently trading at $4.50, indicating bearish momentum and reflecting market uncertainty regarding its near-term direction.
NASDAQ.COM
9.5
2025-11-10NASDAQ.COM
Biotech Update: IFRX, ABCL, RLYB Stand Out as Significant Gainers After Hours
  • InflaRx N.V. Surge: InflaRx N.V. saw a significant after-hours increase of 63.41% to $2.01, driven by the anticipation of topline data from its Phase 2a trial and third-quarter financial results expected on Monday.

  • Rallybio Corp. Performance: Rallybio Corp. rose 12.84% to $0.71 after reporting a third-quarter net income of $16.0 million, reversing a loss from the previous year, although revenue slightly declined.

  • FibroBiologics Inc. Growth: FibroBiologics Inc. climbed 13.51% to $0.40 after hours, following a previous corporate update and third-quarter financial results released on October 31.

  • Cellectis S.A. Recovery: Cellectis S.A. increased by 6.58% to $3.40 after reporting a third-quarter net income of $589 thousand, a significant improvement from a loss in the prior year, with revenues more than doubling.

Wall Street analysts forecast RLYB stock price to rise
2 Analyst Rating
Wall Street analysts forecast RLYB stock price to rise
1 Buy
1 Hold
0 Sell
Moderate Buy
Current: 0.000
sliders
Low
1.00
Averages
1.00
High
1.00
Current: 0.000
sliders
Low
1.00
Averages
1.00
High
1.00
Jones Trading
Catherine Novack
Strong Buy
to
Hold
Downgrades
n/a
AI Analysis
2025-04-15
Reason
Jones Trading
Catherine Novack
Price Target
n/a
AI Analysis
2025-04-15
Downgrades
Strong Buy
to
Hold
Reason
JonesResearch analyst Catherine Novack downgraded Rallybio to Hold from Buy without a price target after the company announced discontinuation of lead asset RLYB212 in fetal and neonatal alloimmune thrombocytopenia prevention. Rallybio still has promising assets in the pipeline, but Jones needs to see Phase 1 data from early-stage assets before again recommending the shares, the analyst tells investors in a research note.
HC Wainwright & Co.
Mitchell Kapoor
Strong Buy
to
Hold
Downgrades
n/a
2025-04-09
Reason
HC Wainwright & Co.
Mitchell Kapoor
Price Target
n/a
2025-04-09
Downgrades
Strong Buy
to
Hold
Reason

Valuation Metrics

The current forward P/E ratio for Rallybio Corp (RLYB.O) is -1.11, compared to its 5-year average forward P/E of -2.35. For a more detailed relative valuation and DCF analysis to assess Rallybio Corp's fair value, Click here.

Forward PE

The forward P/E ratio is a valuation metric that divides a company's current stock price by its estimated future earnings per share over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average PE
-2.35
Current PE
-1.11
Overvalued PE
-0.62
Undervalued PE
-4.08

Forward EV/EBITDA

The forward EV/EBITDA ratio is a valuation metric that divides a company's enterprise value (EV) by its estimated future earnings before interest, taxes, depreciation, and amortization (EBITDA) over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average EV/EBITDA
-0.18
Current EV/EBITDA
0.00
Overvalued EV/EBITDA
0.71
Undervalued EV/EBITDA
-1.07

Forward PS

The forward P/S ratio is a valuation metric that divides a company's current stock price by its estimated future sales (or revenue) per share over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average PS
72.94
Current PS
224.15
Overvalued PS
226.08
Undervalued PS
-80.21

Financials

AI Analysis
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Quarterly

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Whales Holding RLYB

T
TPG Capital, L.P.
Holding
RLYB
-2.74%
3M Return

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Frequently Asked Questions

What is Rallybio Corp (RLYB) stock price today?

The current price of RLYB is 10.765 USD — it has decreased -1.33

What is Rallybio Corp (RLYB)'s business?

Rallybio Corporation is a clinical-stage biotechnology company engaged in developing and commercializing life-transforming therapies for patients with severe and rare diseases. It has a pipeline of product candidates aimed at addressing diseases with unmet medical need in the areas of complement dysregulation and hematology. The Company’s lead program, RLYB116, is a differentiated C5 inhibitor with the potential to treat diseases of complement dysregulation, with an initial focus on immune platelet transfusion refractoriness (PTR) and refractory antiphospholipid syndrome (APS). RLYB116 is a novel, once-weekly, small volume, subcutaneously injected C5 inhibitor designed to meet patient demand for a convenient, self-administered at-home solution. Its pipeline also includes RLYB332, a preclinical long-acting matriptase-2 antibody for the treatment of diseases of iron overload. Its RLYB114 is a pegylated C5 inhibitor in development for complement-mediated ophthalmic disorders.

What is the price predicton of RLYB Stock?

Wall Street analysts forecast RLYB stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for RLYB is1.00 USD with a low forecast of 1.00 USD and a high forecast of 1.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.

What is Rallybio Corp (RLYB)'s revenue for the last quarter?

Rallybio Corp revenue for the last quarter amounts to 212.00K USD, decreased -29.10

What is Rallybio Corp (RLYB)'s earnings per share (EPS) for the last quarter?

Rallybio Corp. EPS for the last quarter amounts to 2.84 USD, decreased -237.86

How many employees does Rallybio Corp (RLYB). have?

Rallybio Corp (RLYB) has 25 emplpoyees as of March 10 2026.

What is Rallybio Corp (RLYB) market cap?

Today RLYB has the market capitalization of 56.94M USD.