Why is AGIO Stock Down Today?
AI-generated explanation by Rhea-AI. How Rhea-AI works. Not financial advice.
What Changed
Price Move History
- Daily moves over 5%
- 19 252 sessions, November 5, 2025 to November 5, 2026
- Largest daily move
- -50.9% close of November 19, 2025
- 1-year change
- -30.2% closing prices, November 5, 2025 to November 5, 2026
- 1-month change
- -9.5% closing prices, October 5, 2026 to November 5, 2026
Company Description
Agios Pharmaceuticals, Inc. (Nasdaq: AGIO) is a commercial-stage biopharmaceutical company focused on delivering medicines for patients with rare diseases. With a foundation in hematology and cellular metabolism, the company concentrates on rare blood disorders and related conditions. Agios is headquartered in Cambridge, Massachusetts and its common stock is listed on the Nasdaq Global Select Market under the symbol AGIO.
According to the company’s public statements, Agios is "focused on delivering innovative medicines for patients with rare diseases" and aims to "redefine the future of rare disease treatment" by building partnerships with patient communities, caregivers, advocates, and physicians. This approach combines biological expertise with real-world insights to advance a growing pipeline of rare disease medicines that reflect the priorities of the people it serves.
Core therapeutic focus and products
Agios’ work is rooted in hematology and rare blood disorders. The company has developed mitapivat, an oral pyruvate kinase (PK) activator, as a central part of its rare disease portfolio. Mitapivat is marketed in the United States under the brand name PYRUKYND for the treatment of hemolytic anemia in adults with pyruvate kinase (PK) deficiency. PYRUKYND is also approved for PK deficiency in adult patients in Europe and has received approval in Saudi Arabia for adult patients with non‑transfusion‑dependent and transfusion‑dependent alpha‑ or beta‑thalassemia.
In the United States, mitapivat is also marketed under the brand name AQVESME for the treatment of anemia in adults with alpha‑ or beta‑thalassemia. AQVESME is described as the only FDA‑approved medicine for anemia in both non‑transfusion‑dependent and transfusion‑dependent alpha‑ or beta‑thalassemia. Due to the risk of hepatocellular injury, AQVESME is available only through a Risk Evaluation and Mitigation Strategy (REMS) program called the AQVESME REMS.
PK activation franchise and rare disease pipeline
Agios highlights its PK activation franchise as a key pillar of its strategy in rare blood disorders. Mitapivat, as an oral PK activator, is being studied across multiple indications, including thalassemia, sickle cell disease, and PK deficiency, in adults and in pediatric populations. The company reports clinical data from Phase 3 trials such as ENERGIZE and ENERGIZE‑T in thalassemia and the RISE UP Phase 3 trial in sickle cell disease, which evaluate measures such as hemoglobin response, transfusion burden, hemolysis markers, and patient‑reported fatigue.
Beyond mitapivat, Agios describes a pipeline that includes:
- Tebapivat, characterized as a more potent, once‑daily oral PK activator in development for lower‑risk myelodysplastic syndromes (LR‑MDS) and sickle cell disease.
- AG‑236, a small interfering RNA (siRNA) targeting TMPRSS6 being evaluated as a potential treatment for polycythemia vera (PV).
- AG‑181, a phenylalanine hydroxylase (PAH) stabilizer in development for phenylketonuria (PKU), including early‑stage trials in healthy volunteers and patients.
The company states that it is progressing early‑ and mid‑stage programs across multiple high‑value indications in hematologic and rare diseases, with the goal of becoming a sustainable and diversified rare disease company.
Clinical development and regulatory footprint
Agios reports extensive clinical development activity around mitapivat and related assets. In thalassemia, the ENERGIZE and ENERGIZE‑T Phase 3 trials in adults with non‑transfusion‑dependent and transfusion‑dependent alpha‑ or beta‑thalassemia met their primary and key secondary endpoints and supported regulatory approvals and positive opinions in multiple regions. In sickle cell disease, the RISE UP Phase 3 trial in patients aged 16 years or older met the primary endpoint of hemoglobin response and key secondary endpoints related to hemoglobin concentration and indirect bilirubin, while showing a trend, but not statistical significance, in reducing sickle cell pain crises.
Regulatory interactions described by the company include U.S. Food and Drug Administration (FDA) approvals for AQVESME in thalassemia and PYRUKYND in PK deficiency, a positive opinion from the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) for PYRUKYND in thalassemia, and approvals or ongoing reviews in regions such as Saudi Arabia and the United Arab Emirates. Agios also notes the implementation of REMS requirements for AQVESME in the U.S. to address hepatocellular injury risk.
Commercial-stage operations
Agios describes itself as a commercial‑stage biopharmaceutical company with an "existing commercial presence in thalassemia and PK deficiency." The company reports net product revenue from PYRUKYND and discusses U.S. commercial launch activities for thalassemia indications, as well as partnerships for commercialization in other territories. For example, Agios entered into an exclusive agreement with Avanzanite Bioscience B.V. for commercialization and distribution of PYRUKYND across the European Economic Area, the United Kingdom, and Switzerland, and works with NewBridge Pharmaceuticals on launch activities in Saudi Arabia.
In its public communications, Agios emphasizes disciplined capital allocation, operational efficiency, and a path to potential profitability supported by its rare disease portfolio. The company has also disclosed cash, cash equivalents, and marketable securities balances in its financial updates, along with research and development and selling, general and administrative expenses related to advancing its pipeline and commercial launches.
Corporate governance and listing
Agios Pharmaceuticals, Inc. is incorporated in Delaware and files reports with the U.S. Securities and Exchange Commission (SEC) under Commission File Number 001‑36014. The company’s common stock trades on the Nasdaq Global Select Market under the symbol AGIO. SEC filings describe matters such as stock incentive plan amendments, director elections, and non‑employee director compensation, as well as periodic financial results furnished via Form 8‑K.
Risk management and safety monitoring
Across its communications, Agios underscores its focus on patient safety and pharmacovigilance. The company describes processes to collect, assess, and submit safety information to regulatory authorities and has addressed external analyses of adverse event reports related to PYRUKYND. For AQVESME and PYRUKYND, the company highlights important safety information, including boxed warnings and precautions related to hepatocellular injury and acute hemolysis, recommended liver monitoring schedules, and guidance on drug interactions and hepatic impairment.
Position within pharmaceutical preparation manufacturing
Within the pharmaceutical preparation manufacturing industry, Agios is characterized by its concentration on rare diseases, particularly rare blood disorders. Its activities span discovery, clinical development, regulatory engagement, and commercialization of small‑molecule therapies such as mitapivat and other investigational agents. The company’s emphasis on hematology, PK activation, and partnerships with rare disease communities differentiates its focus within the broader manufacturing sector.
Stock Performance
Agios Pharmaceuticals (AGIO) closed at $28.27 on November 5, 2026. Over the past 12 months, the price has lost 30.2%.
AGIO Metrics & Rankings
Price returns through November 5, 2026. Month and year figures include the first trading day. Ranking links may use different dates.
Latest News
Agios Pharmaceuticals has 10 recent news articles, with the latest published today. Of the recent coverage, 6 articles coincided with positive price movement and 3 with negative movement. Key topics include earnings, clinical trial, conferences, earnings date, fda approval. View all AGIO news →
SEC Filings
Agios Pharmaceuticals has filed 10 recent SEC filings, including 4 Form 144, 3 Form 4, 1 Form 10-Q, 1 Form 8-K. The most recent filing was submitted on . SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all AGIO SEC filings →
Insider Radar
Insider selling at Agios Pharmaceuticals over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
Agios Pharmaceuticals generated $54.0M in revenue in FY2025, retaining a 88.3% gross margin, operating income reached -$472.1M, and net income was -$412.8M. Diluted earnings per share stood at -$7.12. The company generated -$373.0M in operating cash flow. The current ratio was 11.46, measuring current assets divided by current liabilities.
Upcoming Events
Q3 2026 earnings call
ASH presentations
R&D workforce reduction
FDA PDUFA goal
FDA decision date
FDA decision deadline
Start Phase 3 trial
Agios Pharmaceuticals has 7 upcoming scheduled events. The next event, "Q3 2026 earnings call", is scheduled for November 5, 2026 (today). 1 of them is an earnings release or call. Investors can track these dates to stay informed about potential catalysts that may affect the AGIO stock price.
Short Interest History
Short interest in Agios Pharmaceuticals (AGIO) currently stands at 6.9 million shares, down 1.7% from the previous reporting period, representing 11.8% of the float. Since November 2025, short interest has increased by 59.2%.
Days to Cover History
Days to cover for Agios Pharmaceuticals (AGIO) currently stands at 5.6 days, down 13% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since November 2025, the figure has decreased by 21%. Across the settlements charted above, it has ranged from 1.3 to 9.5 days.
AGIO Company Profile & Sector Positioning
Agios Pharmaceuticals (AGIO) operates in the Biotechnology industry within the broader Healthcare sector and is listed on the NASDAQ.
Investors comparing AGIO often look at related companies in the same sector, including Sarepta Therapeutics,, Inc. (SRPT), SELLAS Life Sciences Group, Inc. (SLS), Mesoblast Limited (MESO), Vir Biotechnology, Inc. (VIR), and Precigen, Inc. (PGEN). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate AGIO's relative position within its industry.
Agios Pharmaceuticals (Nasdaq: AGIO) reported third-quarter 2026 worldwide mitapivat net revenue of $55.4 million, more than four times the prior-year quarter. Net loss narrowed to $65.0 million from $103.4 million. U.S. revenue rose 20% sequentially, while ex-U.S. revenue rose 74%. Cumulative AQVESME prescriptions with completed start forms reached 619, with another 48 in process.
The FDA extended its sickle cell disease application review deadline to February 1, 2027. New trial data showed sustained hemoglobin improvements for up to 115 weeks. Agios plans to reduce research and development staffing by over 100 roles by year-end, with savings expected in 2027. Cash and marketable securities totaled $907.0 million, down from $1,164.438 million at December 31, 2025. The company targets non-GAAP profitability in 2028, a measure outside generally accepted accounting principles.