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Cytosorbents Corporation (CTSO) Stock Analysis

Educational signal · not a buy or sell recommendation · How to read this

$6.37 +$0.04 (+0.63%) |Weak · 23
Cytosorbents Corporation (CTSO) bottom line: signals are mixed — the Council read leans Split View (36/100) while the AI fundamental score is 23/100 (grade F); the two lenses disagree, so weigh the breakdown below. Strongest signal: Ken Griffin bullish · Biggest watch-out: Seth Klarman bearish.Educational signal, not a buy or sell recommendation. Compare sector peers → · Read the method →
MCap: $20.0M| Vol: 14K| Target: $5.25 (estimate, not advice)| 52-wk range: $6.00 – $20.40

Market cap $20.0M is the value of all shares combined. Beta 1.48: the stock has moved about 48% more than the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated May 6, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

Cytosorbents Corporation (CTSO) trades at $6.37 with MoonshotScore 23/100 (Grade F). Cytosorbents Corporation focuses on blood purification technology. Their flagship product, CytoSorb, is used in critical care applications and organ transplants. Market cap: $20.0M, Sector: Healthcare.

Price as of Sep 11, 2026 · Last analyzed: May 6, 2026
Cytosorbents Corporation focuses on blood purification technology. Their flagship product, CytoSorb, is used in critical care applications and organ transplants.

CTSO stock analysis for 2026: The stored analyst price target for Cytosorbents Corporation is $5.25; its date is unknown, so no upside or downside is derived from it against the current price of $6.37. The AI MoonshotScore is 23/100, in the Weak band (below 45) — a research signal, not a recommendation. Key factors: analyst coverage, AI-driven quantitative scoring.

Watch the CTSO film Every key number, told as a short cinematic story — just press play. ~2 min

These figures come from statements filed 12 months ago — the most recent this company has published.

Council Score · Weighted Average of 3 Disciplines
Split View 36/100 · D

CTSO: 2/3 scored disciplines lean bearish. Dominant signal: Ken Griffin bullish.

How is this calculated? →
MoonshotScore · Five-pillar engine · 23/100
Business Quality
Weak Is this a genuinely good business?
Financial Safety
Negative Could this blow up on me?
Valuation
Negative Am I paying a fair price?
Growth Durability
Neutral Is the growth real and likely to last?
Momentum
Negative Is the market already moving on this?

Strongest side: Growth Durability (5/10, Neutral). Weakest side: Valuation (2/10, Negative).

Legends Council · 5 Legends + Moon AI

AI simulations built from the named investors' published principles. Not affiliated with, endorsed by, or the opinion of these individuals. How these lenses are built

Dalio-style lens (simulated)Ray Dalio
Favorable read
Griffin-style lens (simulated)Ken Griffin
Favorable read
Englander-style lens (simulated)Izzy Englander
Unfavorable read
Klarman-style lens (simulated)Seth Klarman
Unfavorable read
Moon AI lens (model)
Neutral read
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Weak
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →
The lenses are modelled on the published principles of the investors named. We are not affiliated with them, they have not endorsed this, and it is not their opinion of this stock.

Why this analysis is different

  • A sector-relative MoonshotScore — five pillars (business quality, financial safety, valuation, growth durability, momentum) re-ranked nightly against the full universe of US-listed common stocks.
  • An AI Council read across up to eight perspectives — value, macro, quantitative, and momentum lenses — that shows where they disagree instead of averaging the tension away.
  • Figures come straight from FMP and Yahoo Finance filings data. The AI writes the narrative around the numbers — it never edits the numbers.

Cytosorbents Corporation (CTSO) Healthcare & Pipeline Overview

CEOPhillip Chan
Employees129
HeadquartersPrinceton, NJ, US
IPO Year2006

Cytosorbents Corporation develops and commercializes blood purification technologies, primarily through its CytoSorb device, used in critical care and organ transplantation. With a focus on cytokine removal and blood compatibility, the company operates within the medical device sector, targeting sepsis, critical illnesses, and complications related to surgery and transplants.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: May 6, 2026

What Is the Investment Thesis for CTSO?

AI-written as of May 6, 2026 — figures and tone reflect the data available then, not today's score.

Cytosorbents Corporation presents a high-risk, high-reward investment opportunity within the medical device sector. The company's core value driver is the continued adoption and expansion of CytoSorb in critical care settings. Key growth catalysts include securing regulatory approvals in new geographies and expanding the device's application to new indications. The company's gross margin of 71.5% indicates strong pricing power. However, the company's market cap of $20.0M and negative profit margin of -22.1% highlight the financial risks. The company's success hinges on demonstrating clinical efficacy and achieving profitability.

Based on FMP financials and quantitative analysis

CTSO Key Highlights

AI-written as of May 6, 2026 — figures and tone reflect the data available then, not today's score.

Market Cap of $20.0M reflects the company's small size and growth potential within the medical device market.

  • Gross Margin of 71.5% indicates strong pricing power and efficient manufacturing processes.
  • Profit Margin of -22.1% highlights the company's current lack of profitability, requiring close monitoring of cost management and revenue growth.
  • The company has 149 employees, reflecting its operational scale and resource allocation.
  • The company's Beta of 1.48 indicates that the stock is more volatile than the market, reflecting its growth-oriented nature and sensitivity to market fluctuations.

Who Are CTSO's Competitors?

CTSO is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap MoonshotScore
ADGM Adagio Medical Holdings, Inc. $0.58 -4.13% $12.9M
SNWV SANUWAVE Health, Inc. $4.00 -0.99% $34.4M 365-pillar
BDMD Baird Medical Investment Holdings Limited $1.08 -3.57% $45.6M 315-pillar
SRTS Sensus Healthcare, Inc. $3.12 0.00% $51.4M 315-pillar
NVNO enVVeno Medical Corporation $11.12 +0.63% $7.73M 325-pillar
HYPD Hyperion DeFi, Inc. $3.59 -2.18% $54.4M 365-pillar
LNSR LENSAR, Inc. $7.74 -3.85% $95.1M 485-pillar
APYX Apyx Medical Corporation $2.89 -5.25% $122M 365-pillar

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are CTSO's Key Strengths?

Proprietary blood purification technology.

  • Established brand recognition with CytoSorb.
  • Gross margin of 71.5% indicates strong pricing power.
  • Diverse product pipeline targeting various critical care applications.

What Are CTSO's Weaknesses?

Negative profit margin of -22.1% indicates financial instability.

  • Small market capitalization of $20.0M.
  • Reliance on CytoSorb for the majority of revenue.
  • Limited geographic presence.

What Could Drive CTSO Stock Higher?

Clinical trial results for CytoSorb in new indications, expected in late 2026.

  • Expansion of CytoSorb sales in existing markets through increased adoption by hospitals.
  • Regulatory approvals for VetResQ in key veterinary markets, anticipated in 2027.
  • Development and commercialization of HemoDefend blood purification platform.

What Are the Key Risks for CTSO?

Financial-distress signal — its Altman Z-Score of -12.19 sits in the distress zone (elevated bankruptcy risk).

  • Competition from larger medical device companies with greater resources.
  • Stringent regulatory requirements and potential delays in approvals.
  • Risk of product liability claims related to medical devices.
  • Dependence on key suppliers for critical components and materials.
  • Fluctuations in reimbursement policies affecting the adoption of CytoSorb.

What Are the Growth Opportunities for CTSO?

  • CytoSorb's potential to improve patient outcomes in sepsis cases represents a significant growth opportunity. The company can drive adoption through clinical trials demonstrating efficacy and cost-effectiveness, targeting hospitals and intensive care units globally. This expansion is ongoing as the company continues to conduct clinical trials and market the device.
  • Development and Commercialization of VetResQ: The veterinary medicine market is experiencing growth, with increasing demand for advanced medical treatments for animals. VetResQ, designed for treating sepsis and other critical illnesses in animals, offers Cytosorbents a niche market opportunity. Successful commercialization depends on regulatory approvals and establishing distribution channels within the veterinary healthcare industry. The timeline for significant revenue generation is estimated within the next 2-3 years.
  • Advancement of HemoDefend Blood Purification Platform: The HemoDefend platform aims to reduce contaminants in blood supplies, addressing a critical need in transfusion medicine. The market for blood purification technologies is substantial, driven by the need to prevent transfusion reactions and diseases. Securing regulatory approvals and partnerships with blood banks and hospitals are crucial for commercial success. This is a longer-term opportunity, with potential revenue impact in 3-5 years.
  • Commercialization of K+ontrol for Hyperkalemia Treatment: The market for hyperkalemia treatment is growing due to the increasing prevalence of chronic kidney disease and diabetes. K+ontrol offers a potential solution for patients with life-threatening hyperkalemia. Successful commercialization depends on clinical trial results and regulatory approvals. The timeline for market entry is estimated within the next 2-4 years.
  • Expansion into Organ Transplantation Support: CytoSorb's application in maintaining and enhancing the quality of solid organs for transplant represents a specialized growth area. The increasing demand for organ transplants and the need to improve organ preservation techniques drive this opportunity. Collaborations with transplant centers and demonstrating improved transplant outcomes are essential for market penetration. This is an ongoing opportunity with potential for steady growth over the next several years.

What Are CTSO's Competitive Advantages?

  • Proprietary Adsorbent and Porous Polymer Technology: The company's patented technology provides a competitive advantage in blood purification.
  • CytoSorb Brand Recognition: CytoSorb has established a reputation in critical care settings.
  • Regulatory Approvals: Securing regulatory approvals in key markets creates barriers to entry for competitors.
  • Clinical Data: Positive clinical trial results support product efficacy and adoption.

What Does CTSO Do?

Cytosorbents Corporation, founded in 1997 and headquartered in Princeton, New Jersey, is a medical device company specializing in blood purification technologies. Originally named MedaSorb Technologies Corporation, the company rebranded in May 2010 to reflect its focus on developing and commercializing products based on its proprietary adsorbent and porous polymer technology. The company's flagship product, CytoSorb, is an extracorporeal cytokine filter designed for adjunctive therapy in various critical care applications, including the treatment of sepsis, prevention of perioperative complications during cardiopulmonary bypass surgery, and enhancement of the quality of solid organs for transplant. Cytosorbents also develops VetResQ, a device tailored for veterinary use in treating sepsis and other critical illnesses in animals. Other products in development include CytoSorb-XL, an advanced version of CytoSorb, HemoDefend, a blood purification platform aimed at reducing contaminants in blood supplies, K+ontrol for treating severe hyperkalemia, and ContrastSorb for removing contrast agents from blood to reduce the risk of contrast-induced nephropathy. Additionally, the company is involved in the development of BetaSorb, DrugSorb, and DrugSorb-ATR, targeting metabolic toxins, toxic chemicals, and antithrombotic agents, respectively.

What Products and Services Does CTSO Offer?

  • Develop and commercialize blood purification medical devices.
  • Offer CytoSorb, an extracorporeal cytokine filter for critical care applications.
  • Provide solutions for sepsis treatment, including CytoSorb and CytoSorb-XL.
  • Develop VetResQ for treating critical illnesses in animals.
  • Create HemoDefend, a blood purification platform for reducing blood contaminants.
  • Offer K+ontrol for the treatment of severe hyperkalemia.
  • Develop ContrastSorb for removing IV contrast in blood.

How Does CTSO Make Money?

  • Develop, manufacture, and sell blood purification devices.
  • Generate revenue through direct sales to hospitals and medical centers.
  • Establish distribution partnerships for wider market reach.
  • Pursue research and development to expand product applications and indications.

What Industry Does CTSO Operate In?

Cytosorbents Corporation operates in the medical device industry, specifically focusing on blood purification technologies. The industry is characterized by technological innovation, stringent regulatory requirements, and intense competition. The global blood purification market is driven by the increasing prevalence of sepsis, kidney diseases, and other critical illnesses. Cytosorbents competes with larger medical device companies and specialized blood purification firms. The company's success depends on its ability to differentiate its products through clinical efficacy and cost-effectiveness.

Who Are CTSO's Key Customers?

  • Hospitals and intensive care units.
  • Transplant centers.
  • Veterinary clinics and animal hospitals.
  • Blood banks and transfusion centers.
Model self-rating on this text: 67% (not a measure of the evidence) Updated: May 6, 2026

Research confidence

High 100/100

Broad, current evidence sits behind this analysis.

  • Scored on 85% of our measures
  • Price is current
  • Latest filing 36 days ago
  • Covered by analysts

Why 23?

Measured against companies in the same sector. The figures below are the factor contributions the scoring engine itself produced.

What is helping

  • +0.78 Gross profit per dollar of assets (Business Quality)
  • +0.41 Enterprise value vs sales (Valuation)
  • +0.17 Gross margin (Business Quality)

What is holding it back

  • -0.59 Net margin (Business Quality)
  • -0.54 Earnings yield (Valuation)
  • -0.48 Free cash flow yield (Business Quality)

Risk penalties applied

  • -1.89 Bankruptcy-risk score in the distress zone
  • -1.59 Loss-making with negative retained earnings

Contribution = how far the company sits from its sector on that measure, weighted by how much the pillar counts. Not investment advice. How the score is built →

MoonshotScore History

Recorded daily since 2026-08-23 · 19 snapshots

2026-08-23 21
2026-08-26 21
2026-08-29 21
2026-09-01 23
2026-09-04 23
2026-09-07 23
2026-09-10 23

What changed?

The grade moved from 21 to 23 (+2).

What moved it up or down:

  • +2 Business Quality

Held back by:

  • -48 Financial Safety
  • -3 Valuation

Over the same 18 days the stock moved +1610.8%.

Cytosorbents Corporation (CTSO) Valuation Context

Valued at $20.0M, CTSO is classified as a micro-cap stock. Relative to its peer group, CTSO's quantitative score of 23/100 is below the peer average of 36/100.

CTSO Revenue & Earnings Trend

In Q2 FY2026, CTSO generated $9.6M in top-line revenue, marking a sequential increase of 8.7%. The company recorded a net loss of $4.4M, with diluted EPS of $-1.41. Quarter-over-quarter revenue has been mixed, typical for a micro-cap company operating in Healthcare. Across the four most recent quarters, CTSO averaged $-1.45 in diluted EPS.

Company Profile

Cytosorbents Corporation operates in the Medical - Devices industry within the Healthcare sector. It is headquartered in Princeton, US. The company is led by CEO Phillip Chan. CTSO has traded publicly since 2006.

Key Financial Metrics

Return on assets is -18.3%, showing how much profit it generates from its asset base. A current ratio of 1.09 indicates the company holds enough short-term assets to cover its near-term obligations.

F-Score 4/9

Financial Health

Cytosorbents Corporation's Piotroski F-Score is 4/9, a 9-point checklist of profitability, leverage and efficiency — a middling fundamental profile. Its Altman Z-Score of -12.19 places it in the distress zone, a signal of elevated financial risk.

6/8 beats

Earnings Track Record

Cytosorbents Corporation has beaten Wall Street's EPS estimate in 6 of its last 8 reported quarters — a consistent record of delivering on expectations. Reported results have landed about 41.2% above estimates on average.

Net buying

Insider Activity

Over the past six months, Cytosorbents Corporation insiders filed 4 SEC Form 4 transactions — 0 sales and 4 purchases. On net that is roughly 561K shares acquired (about $219K) — insiders putting money in tends to read as conviction.

CTSO Financials

Fundamental Snapshot

Revenue Growth (FY)
+4.1%
Net Income Growth (FY)
+60.4%
EPS Growth (FY)
+65.8%
Free Cash Flow Growth (FY)
+14.8%
Return on Equity (TTM)
-141.6%
Current Ratio
1.1

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

  • Proprietary blood purification technology.
  • Established brand recognition with CytoSorb.
  • Gross margin of 71.5% indicates strong pricing power.
  • Diverse product pipeline targeting various critical care applications.

Bear Case

  • Negative profit margin of -22.1% indicates financial instability.
  • Small market capitalization of $20.0M.
  • Reliance on CytoSorb for the majority of revenue.
  • Limited geographic presence.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · September 2026

Recent Quarterly Results

Quarter Revenue Net Income EPS
Q2 FY2026 $10M -$4M -$1.41
Q1 FY2026 $9M -$5M -$1.64
Q4 FY2025 $9M -$5M -$1.75
Q3 FY2025 $9M -$3M -$1.01

Q2 FY2026 · filed 6 Aug 2026 · SEC EDGAR →

Based on FMP financials and quantitative analysis

CTSO Latest News

CTSO Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for CTSO.

Price Targets

Consensus target: $5.25

CTSO MoonshotScore

23/100

What does this score mean?

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. CTSO scores 23/100 (Grade F): the number comes from the five-pillar engine (business quality, financial safety, valuation, growth durability, momentum), re-ranked daily against sector peers.

Leadership: Phillip Chan

CEO

Phillip Chan serves as the Chief Executive Officer of Cytosorbents Corporation. His background includes extensive experience in the medical device industry, with a focus on strategic leadership and commercialization. He has held various leadership positions in both established companies and startups, contributing to his expertise in driving growth and innovation. Chan's educational background includes advanced degrees in engineering and business administration.

Track Record: Under Phillip Chan's leadership, Cytosorbents Corporation has focused on expanding the clinical applications of CytoSorb and securing regulatory approvals in key markets. Key achievements include driving revenue growth through strategic partnerships and expanding the company's product pipeline. He has also overseen efforts to improve operational efficiency and strengthen the company's financial position.

Cytosorbents Corporation Healthcare Stock: Key Questions Answered

What does the AI Score mean for CTSO?

CTSO holds an AI Score of 23/100 (Grade: F). This is an educational research signal, not a buy or sell recommendation. The number comes from the five-pillar engine (business quality, financial safety, valuation, growth durability, momentum), re-ranked daily against sector peers. Cytosorbents Corporation focuses on blood purification technology.

Is CTSO a good stock?

Stock Expert AI does not rate CTSO buy, sell or hold. Cytosorbents Corporation carries a MoonshotScore of 23/100 on the five-pillar engine, a research rating against its peers. Whether it fits is your call: check what it sells, whether it earns, what the price assumes, and what would prove you wrong.

What does Cytosorbents Corporation do?

Cytosorbents Corporation is a medical device company specializing in blood purification technologies. Its flagship product, CytoSorb, is an extracorporeal cytokine filter used in critical care settings to remove excessive cytokines from the blood, addressing conditions like sepsis and systemic inflammation.

What are the key factors to evaluate for CTSO?

Cytosorbents Corporation (CTSO) holds a MoonshotScore of 23/100 (low). The company's core value driver is the continued adoption and expansion of CytoSorb in critical care settings. Not financial advice.

How frequently does CTSO data refresh on this page?

CTSO's price was last updated on Sep 11, 2026 and refreshes on page view during U.S. market hours; the quote is a provider snapshot, not an exchange feed. Fundamentals follow quarterly filings. V2 calculations are scheduled daily at 10:15 UTC; the score's own date shows its last successful run.

What has driven CTSO's recent stock price performance?

Cytosorbents Corporation (CTSO) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Proprietary blood purification technology. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider CTSO overvalued or undervalued right now?

Cytosorbents Corporation (CTSO) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

Can I buy fractional shares of CTSO?

Yes, most major brokerages offer fractional shares of Cytosorbents Corporation (CTSO) with no minimum purchase requirement. This means you can invest any dollar amount regardless of the share price. Check your brokerage platform for specific terms, fees, and fractional share availability.

How can I track CTSO's earnings and financial reports?

Cytosorbents Corporation (CTSO) reports quarterly earnings approximately 4-6 weeks after each fiscal quarter ends. You can track earnings dates, revenue and EPS estimates, and actual results on this page's Financials tab. Earnings surprises (beats or misses) often cause significant short-term price moves. Your brokerage can send alerts for CTSO earnings announcements.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated MoonshotScore as of
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information is based on available company data and may be subject to change.
  • Financial metrics are as of the latest reporting period.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis

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