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Cytosorbents Corp (CTSO) Fundamental Analysis & AI Grade 2026

CTSO Nasdaq Surgical & Medical Instruments & Apparatus DE CIK: 0001175151
Updated This Month • Analysis: May 15, 2026 • SEC Data: 2026-03-31
Combined AI Grade
C
82% Confidence
STRONG AGREEMENT
C
82% Conf
C
82% Conf

📊 CTSO Key Takeaways

Revenue: $8.9M
Net Margin: -57.9%
Free Cash Flow: $-1.2M
Current Ratio: 1.09x
Debt/Equity: 7.73x
EPS: $-0.08
AI Grade: C with 82% confidence
Cytosorbents Corp (CTSO) receives a C fundamental grade with 82% confidence from our AI analysis based on SEC 10-K filings. With revenue of $8.9M, net profit margin of -57.9%, and return on equity (ROE) of -233.8%, Cytosorbents Corp demonstrates mixed fundamentals in the Healthcare sector. Below is our complete CTSO stock analysis for 2026.

Is Cytosorbents Corp (CTSO) a Good Investment?

Claude

Cytosorbents exhibits a financially distressed profile with unsustainable losses (-$5.1M net income, -$1.2M operating cash flow) despite a strong 69.2% gross margin, indicating the core product has merit but operations are severely inefficient. Dangerously high leverage (7.73x Debt/Equity) combined with tight liquidity (1.09x current ratio, 0.81x quick ratio) and minimal equity cushion ($2.2M) create substantial refinancing and solvency risk, far outweighing modest revenue growth of 4.1%.

ChatGPT

Cytosorbents shows decent top-line growth and strong gross margins, but the business remains structurally unprofitable at the operating level and is consuming cash. The balance sheet still supports near-term operations, yet elevated leverage, negative free cash flow, and thin equity make the growth profile lower quality until operating losses narrow materially.

Cytosorbents Corp Key Strengths (CTSO)

Claude
  • + Strong gross margin of 69.2% demonstrates viable product and pricing power
  • + Revenue growing 4.1% YoY with positive market traction in medical devices
  • + Net losses improving 65.8% YoY from -$0.22 to -$0.08 per share, showing trend toward breakeven
ChatGPT
  • + Revenue grew 14.5% year over year, indicating continued commercial demand
  • + Gross margin of 70.7% suggests attractive product-level economics
  • + Current ratio of 2.11x and quick ratio of 1.71x provide reasonable near-term liquidity

CTSO Stock Risks: Cytosorbents Corp Investment Risks

Claude
  • ! Severe operating losses (-$3.0M) and negative free cash flow (-$1.2M) with no clear path to profitability
  • ! Dangerously high leverage at 7.73x Debt/Equity with $17.0M long-term debt against $2.2M equity base
  • ! Tight liquidity and solvency risk: current ratio 1.09x, quick ratio 0.81x, and minimal equity buffer for adverse events
  • ! Operating expenses far exceed gross profit, indicating severe scaling inefficiency relative to revenue base
ChatGPT
  • ! Operating margin of -37.2% shows the company is still far from sustainable profitability
  • ! Free cash flow of -7.61M and negative operating cash flow indicate ongoing cash burn
  • ! Debt-to-equity of 1.61x with only 9.02M of equity leaves limited balance-sheet flexibility

Key Metrics to Watch

Claude
  • * Operating cash flow trend and path to positive cash generation
  • * Operating expense reduction and gross profit leverage into profitability
  • * Debt refinancing risk and covenant compliance with current leverage levels
ChatGPT
  • * Operating cash flow and free cash flow trend
  • * Operating margin improvement versus revenue growth

Cytosorbents Corp (CTSO) Financial Metrics & Key Ratios

Revenue
$8.9M
Net Income
$-5.1M
EPS (Diluted)
$-0.08
Free Cash Flow
$-1.2M
Total Assets
$40.6M
Cash Position
$4.8M

💡 AI Analyst Insight

Cytosorbents Corp presents a mixed fundamental picture. Review the detailed metrics above to form your own investment thesis.

CTSO Profit Margin, ROE & Profitability Analysis

Gross Margin 69.2%
Operating Margin -34.3%
Net Margin -57.9%
ROE -233.8%
ROA -12.6%
FCF Margin -13.2%

CTSO vs Healthcare Sector: How Cytosorbents Corp Compares

How Cytosorbents Corp compares to Healthcare sector averages

Net Margin
CTSO -57.9%
vs
Sector Avg 12.0%
CTSO Sector
ROE
CTSO -233.8%
vs
Sector Avg 15.0%
CTSO Sector
Current Ratio
CTSO 1.1x
vs
Sector Avg 2.0x
CTSO Sector
Debt/Equity
CTSO 7.7x
vs
Sector Avg 0.6x
CTSO Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Cytosorbents Corp Stock Overvalued? CTSO Valuation Analysis 2026

Based on fundamental analysis, Cytosorbents Corp shows some fundamental concerns relative to the Healthcare sector in 2026.

Return on Equity
-233.8%
Sector avg: 15%
Net Profit Margin
-57.9%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
7.73x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Cytosorbents Corp Balance Sheet: CTSO Debt, Cash & Liquidity

Current Ratio
1.09x
Quick Ratio
0.81x
Debt/Equity
7.73x
Debt/Assets
94.6%
Interest Coverage
N/A
Long-term Debt
$17.0M

CTSO Revenue & Earnings Growth: 5-Year Financial Trend

CTSO 5-year financial data: Year 2021: Revenue $43.2M, Net Income -$19.3M, EPS $-0.15. Year 2022: Revenue $43.2M, Net Income -$7.8M, EPS $-0.10. Year 2023: Revenue $43.2M, Net Income -$24.6M, EPS $-0.10. Year 2024: Revenue $35.6M, Net Income -$29.2M, EPS $-0.17. Year 2025: Revenue $37.1M, Net Income -$20.7M, EPS $-0.38.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Cytosorbents Corp's revenue has declined by 14% over the 5-year period, indicating business contraction. The most recent EPS of $-0.38 indicates the company is currently unprofitable.

CTSO Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-13.2%
Free cash flow / Revenue

CTSO Quarterly Earnings & Performance

Quarterly financial performance data for Cytosorbents Corp including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $8.7M -$1.5M $-0.02
Q3 2025 $8.6M -$2.7M $-0.04
Q2 2025 $8.8M $469.0K $0.01
Q1 2025 $8.7M -$1.5M $-0.02
Q3 2024 $8.8M -$2.3M $-0.04
Q2 2024 $9.4M -$4.1M $-0.08
Q1 2024 $9.4M -$6.4M $-0.12
Q3 2023 $8.1M -$9.2M $-0.21

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Cytosorbents Corp Dividends, Buybacks & Capital Allocation

Operating Cash Flow
-$1.2M
Cash generated from operations
Capital Expenditures
$11.0K
Investment in assets
Dividends
None
No dividend program

CTSO SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Cytosorbents Corp (CIK: 0001175151)

📋 Recent SEC Filings

Date Form Document Action
May 13, 2026 10-Q ctso-20260331x10q.htm View →
May 13, 2026 8-K a8k.htm View →
Apr 15, 2026 10-K/A ctso-20251231x10ka.htm View →
Apr 2, 2026 8-K tm2611004d1_8k.htm View →
Mar 30, 2026 10-K ctso-20251231x10k.htm View →

Frequently Asked Questions about CTSO

What is the AI rating for CTSO?

Cytosorbents Corp (CTSO) has a Combined AI Grade of C from Claude (C) and ChatGPT (C) with 82% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are CTSO's key strengths?

Claude: Strong gross margin of 69.2% demonstrates viable product and pricing power. Revenue growing 4.1% YoY with positive market traction in medical devices. ChatGPT: Revenue grew 14.5% year over year, indicating continued commercial demand. Gross margin of 70.7% suggests attractive product-level economics.

What are the risks of investing in CTSO?

Claude: Severe operating losses (-$3.0M) and negative free cash flow (-$1.2M) with no clear path to profitability. Dangerously high leverage at 7.73x Debt/Equity with $17.0M long-term debt against $2.2M equity base. ChatGPT: Operating margin of -37.2% shows the company is still far from sustainable profitability. Free cash flow of -7.61M and negative operating cash flow indicate ongoing cash burn.

What is CTSO's revenue and growth?

Cytosorbents Corp reported revenue of $8.9M.

Does CTSO pay dividends?

Cytosorbents Corp does not currently pay dividends.

Where can I find CTSO SEC filings?

Official SEC filings for Cytosorbents Corp (CIK: 0001175151) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is CTSO's EPS?

Cytosorbents Corp has a diluted EPS of $-0.08.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined grade reflects both perspectives for balanced insights.

What is CTSO's fundamental grade?

Based on our AI fundamental analysis in June 2026, Cytosorbents Corp has a C grade with 82% confidence. Review the strengths and risks sections above for full context. This is not investment advice.

Is CTSO stock overvalued or undervalued?

Valuation metrics for CTSO: ROE of -233.8% (sector avg: 15%), net margin of -57.9% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

What is CTSO's AI grade for 2026?

Our dual AI analysis gives Cytosorbents Corp a combined C grade for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is CTSO's free cash flow?

Cytosorbents Corp's operating cash flow is $-1.2M, with capital expenditures of $11.0K. FCF margin is -13.2%.

How does CTSO compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin -57.9% (avg: 12%), ROE -233.8% (avg: 15%), current ratio 1.09 (avg: 2).

Is Cytosorbents Corp carrying too much debt?

CTSO has a debt-to-equity ratio of 7.73x, which is above the Healthcare sector average of 0.6x. However, the current ratio of 1.09 suggests adequate short-term liquidity.

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: May 15, 2026 | Data as of: 2026-03-31 | Powered by Claude AI