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Cyclerion Therapeutics, Inc. (CYCN) Stock Fundamental Analysis & AI Rating 2026

CYCN Nasdaq Pharmaceutical Preparations MA CIK: 0001755237
Updated This Month • Analysis: Mar 23, 2026 • SEC Data: 2025-09-30
Combined AI Rating
STRONG SELL
90% Confidence
STRONG AGREEMENT
STRONG SELL
92% Conf
STRONG SELL
87% Conf

📊 CYCN Key Takeaways

Revenue: $1.0M
Net Margin: -260.2%
Free Cash Flow: $-1.7M
Current Ratio: 5.78x
Debt/Equity: 0.00x
EPS: $-0.92
AI Rating: STRONG SELL with 92% confidence
Cyclerion Therapeutics, Inc. (CYCN) receives a STRONG SELL rating with 90% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $1.0M, net profit margin of -260.2%, and return on equity (ROE) of -28.6%, Cyclerion Therapeutics, Inc. demonstrates mixed fundamentals in the Healthcare sector. Below is our complete CYCN stock analysis for 2026.

Is Cyclerion Therapeutics, Inc. (CYCN) a Good Investment?

Claude

Cyclerion is a pre-revenue pharmaceutical company with severe operational losses and negative cash burn. With only $1.0M in revenue against $4.1M operating losses, the company is burning cash at an unsustainable rate with just $4.6M cash remaining and no clear path to profitability.

ChatGPT

Cyclerion Therapeutics shows very weak fundamentals, with minimal revenue, deeply negative operating and net margins, and negative free cash flow that indicates the business is not self-sustaining. While the balance sheet is currently supported by strong liquidity and no meaningful leverage, the small cash base relative to ongoing losses creates substantial funding and dilution risk unless operating performance improves materially.

Why Buy Cyclerion Therapeutics, Inc. Stock? CYCN Key Strengths

Claude
  • + Strong liquidity position with 5.78x current ratio providing near-term survival runway
  • + Zero debt burden eliminates financial leverage risk
  • + Meaningful cash reserves of $4.6M relative to asset base
ChatGPT
  • + Strong near-term liquidity with current and quick ratios of 5.78x
  • + No meaningful debt burden, reducing balance-sheet stress
  • + Positive stockholders' equity of $9.54M provides some financial cushion

CYCN Stock Risks: Cyclerion Therapeutics, Inc. Investment Risks

Claude
  • ! Severe cash burn of $1.7M quarterly with operating losses of $4.1M indicates runway of less than 3 quarters without additional funding
  • ! Revenue of $1.0M is negligible for a biopharmaceutical company, suggesting failed commercialization or non-existent product sales
  • ! Negative operating margin of -394% and net margin of -260% indicate fundamental business model failure
  • ! Zero insider transactions in 90 days suggests management confidence issues or restricted trading windows
  • ! Pre-commercial or failed-commercial stage company with no visibility to positive cash flow
ChatGPT
  • ! Extremely weak profitability, with operating margin of -394.2% and net margin of -260.2%
  • ! Negative operating cash flow and free cash flow indicate continuing cash burn
  • ! Low revenue base of $1.05M suggests limited commercial scale and poor growth quality

Key Metrics to Watch

Claude
  • * Quarterly cash burn rate and remaining cash runway before capital raise necessity
  • * Revenue growth trajectory and clinical development milestones
  • * Operating expense reduction and path to cash flow breakeven
ChatGPT
  • * Quarterly operating cash burn relative to cash and equivalents
  • * Revenue growth and improvement in operating loss margin

Cyclerion Therapeutics, Inc. (CYCN) Financial Metrics & Key Ratios

Revenue
$1.0M
Net Income
$-2.7M
EPS (Diluted)
$-0.92
Free Cash Flow
$-1.7M
Total Assets
$10.4M
Cash Position
$4.6M

💡 AI Analyst Insight

Strong liquidity with a 5.78x current ratio provides a solid financial cushion.

CYCN Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin -394.2%
Net Margin -260.2%
ROE -28.6%
ROA -26.2%
FCF Margin -165.4%

CYCN vs Healthcare Sector: How Cyclerion Therapeutics, Inc. Compares

How Cyclerion Therapeutics, Inc. compares to Healthcare sector averages

Net Margin
CYCN -260.2%
vs
Sector Avg 12.0%
CYCN Sector
ROE
CYCN -28.6%
vs
Sector Avg 15.0%
CYCN Sector
Current Ratio
CYCN 5.8x
vs
Sector Avg 2.0x
CYCN Sector
Debt/Equity
CYCN 0.0x
vs
Sector Avg 0.6x
CYCN Sector

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

Is Cyclerion Therapeutics, Inc. Stock Overvalued? CYCN Valuation Analysis 2026

Based on fundamental analysis, Cyclerion Therapeutics, Inc. has mixed fundamental signals relative to the Healthcare sector in 2026.

Return on Equity
-28.6%
Sector avg: 15%
Net Profit Margin
-260.2%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.00x
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.

Cyclerion Therapeutics, Inc. Balance Sheet: CYCN Debt, Cash & Liquidity

Current Ratio
5.78x
Quick Ratio
5.78x
Debt/Equity
0.00x
Debt/Assets
0.0%
Interest Coverage
N/A
Long-term Debt
N/A

CYCN Revenue & Earnings Growth: 5-Year Financial Trend

CYCN 5-year financial data: Year 2021: Revenue $3.9M, Net Income -$77.8M, EPS N/A. Year 2022: Revenue $3.9M, Net Income -$51.6M, EPS $-1.32. Year 2023: Revenue $297.0K, Net Income -$44.1M, EPS $-20.28. Year 2024: Revenue $2.0M, Net Income -$5.3M, EPS $-2.25. Year 2025: Revenue $2.1M, Net Income -$3.1M, EPS $-1.21.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Cyclerion Therapeutics, Inc.'s revenue has declined by 47% over the 5-year period, indicating business contraction. The most recent EPS of $-1.21 indicates the company is currently unprofitable.

CYCN 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
-165.4%
Free cash flow / Revenue

CYCN Quarterly Earnings & Performance

Quarterly financial performance data for Cyclerion Therapeutics, Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $194.0K -$324.0K $-0.29
Q2 2025 N/A -$324.0K $-0.11
Q1 2025 N/A -$1.4M $-0.56
Q3 2024 N/A -$723.0K $-0.29
Q3 2023 N/A -$3.6M $-1.55
Q2 2023 N/A -$4.2M $-1.83
Q1 2023 N/A -$7.0M $-0.16
Q3 2022 N/A -$10.5M $-0.24

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

Cyclerion Therapeutics, Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
-$1.7M
Cash generated from operations
Dividends
None
No dividend program

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

Access official SEC EDGAR filings for Cyclerion Therapeutics, Inc. (CIK: 0001755237)

📋 Recent SEC Filings

Date Form Document Action
Apr 1, 2026 8-K d128275d8k.htm View →
Mar 30, 2026 10-K cycn-20251231.htm View →
Feb 17, 2026 8-K d104475d8k.htm View →
Jan 6, 2026 8-K d23253d8k.htm View →
Dec 1, 2025 8-K d48096d8k.htm View →

Frequently Asked Questions about CYCN

What is the AI rating for CYCN?

Cyclerion Therapeutics, Inc. (CYCN) has a Combined AI Rating of STRONG SELL from Claude (STRONG SELL) and ChatGPT (STRONG SELL) with 90% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are CYCN's key strengths?

Claude: Strong liquidity position with 5.78x current ratio providing near-term survival runway. Zero debt burden eliminates financial leverage risk. ChatGPT: Strong near-term liquidity with current and quick ratios of 5.78x. No meaningful debt burden, reducing balance-sheet stress.

What are the risks of investing in CYCN?

Claude: Severe cash burn of $1.7M quarterly with operating losses of $4.1M indicates runway of less than 3 quarters without additional funding. Revenue of $1.0M is negligible for a biopharmaceutical company, suggesting failed commercialization or non-existent product sales. ChatGPT: Extremely weak profitability, with operating margin of -394.2% and net margin of -260.2%. Negative operating cash flow and free cash flow indicate continuing cash burn.

What is CYCN's revenue and growth?

Cyclerion Therapeutics, Inc. reported revenue of $1.0M.

Does CYCN pay dividends?

Cyclerion Therapeutics, Inc. does not currently pay dividends.

Where can I find CYCN SEC filings?

Official SEC filings for Cyclerion Therapeutics, Inc. (CIK: 0001755237) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is CYCN's EPS?

Cyclerion Therapeutics, Inc. has a diluted EPS of $-0.92.

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 rating reflects both perspectives for balanced insights.

Is CYCN a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Cyclerion Therapeutics, Inc. has a STRONG SELL rating with 90% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is CYCN stock overvalued or undervalued?

Valuation metrics for CYCN: ROE of -28.6% (sector avg: 15%), net margin of -260.2% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy CYCN stock in 2026?

Our dual AI analysis gives Cyclerion Therapeutics, Inc. a combined STRONG SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is CYCN's free cash flow?

Cyclerion Therapeutics, Inc.'s operating cash flow is $-1.7M, with capital expenditures of $0.0. FCF margin is -165.4%.

How does CYCN compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin -260.2% (avg: 12%), ROE -28.6% (avg: 15%), current ratio 5.78 (avg: 2).

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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: Mar 23, 2026 | Data as of: 2025-09-30 | Powered by Claude AI