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Septerna, Inc. (SEPN) Stock Fundamental Analysis & AI Rating 2026

SEPN Nasdaq Pharmaceutical Preparations DE CIK: 0001984086
Recently Updated • Analysis: Apr 15, 2026 • SEC Data: 2025-12-31
BUY
67% Conf
Pending
Analysis scheduled

📊 SEPN Key Takeaways

Revenue: $46.0M
Net Margin: -106.4%
Free Cash Flow: $109.7M
Current Ratio: 4.73x
Debt/Equity: 0.00x
EPS: $-1.10
AI Rating: BUY with 67% confidence
Septerna, Inc. (SEPN) receives a BUY rating with 67% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $46.0M, net profit margin of -106.4%, and return on equity (ROE) of -12.8%, Septerna, Inc. demonstrates strong fundamentals in the Healthcare sector. Below is our complete SEPN stock analysis for 2026.

Is Septerna, Inc. (SEPN) a Good Investment?

Claude

Septerna demonstrates exceptional financial health with strong balance sheet (381.9M equity, zero long-term debt), positive free cash flow of 109.7M, and extraordinary revenue growth of 4174% YoY, indicating successful product commercialization. However, significant operating losses (-148% operating margin) and negative net income of 48.9M require demonstrated path to profitability as the company scales revenue.

Why Buy Septerna, Inc. Stock? SEPN Key Strengths

Claude
  • + Exceptional YoY revenue growth of 4174% indicates successful product launch and strong market adoption
  • + Very strong balance sheet with 381.9M stockholders equity, 120.7M cash, and zero long-term debt
  • + Positive free cash flow of 109.7M despite operating losses demonstrates underlying business viability and operational efficiency
  • + Excellent liquidity with 4.73x current ratio provides substantial financial flexibility and operational runway
  • + Low capital intensity (518K CapEx) enables focus on commercialization and profitability improvement

SEPN Stock Risks: Septerna, Inc. Investment Risks

Claude
  • ! Significant operating losses (-148% operating margin) and negative net income require demonstrated path to profitability
  • ! Early-stage commercialization risk: revenue sustainability depends on product demand persistence and competitive dynamics
  • ! Operating expense structure appears misaligned with current revenue levels; cost control critical for margin improvement
  • ! Gross margin data unavailable - key metric for assessing product-level economics and pricing power in pharma
  • ! Uncertainty regarding sustainability of exceptional growth rates and achievement of unit economics at scale

Key Metrics to Watch

Claude
  • * Operating margin and net margin trajectory as revenue scales and cost structure optimizes
  • * Gross margin percentage and product-level unit economics to assess true profitability potential
  • * Free cash flow sustainability and cash runway duration given current burn rate
  • * Quarterly revenue growth rate deceleration or acceleration to confirm commercialization phase
  • * Operating expense ratio as percentage of revenue and timeline to operating profitability

Septerna, Inc. (SEPN) Financial Metrics & Key Ratios

Revenue
$46.0M
Net Income
$-48.9M
EPS (Diluted)
$-1.10
Free Cash Flow
$109.7M
Total Assets
$596.2M
Cash Position
$120.7M

💡 AI Analyst Insight

The 238.7% free cash flow margin provides substantial flexibility for dividends, buybacks, and strategic investments. Strong liquidity with a 4.73x current ratio provides a solid financial cushion.

SEPN Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin -148.6%
Net Margin -106.4%
ROE -12.8%
ROA -8.2%
FCF Margin 238.7%

SEPN vs Healthcare Sector: How Septerna, Inc. Compares

How Septerna, Inc. compares to Healthcare sector averages

Net Margin
SEPN -106.4%
vs
Sector Avg 12.0%
SEPN Sector
ROE
SEPN -12.8%
vs
Sector Avg 15.0%
SEPN Sector
Current Ratio
SEPN 4.7x
vs
Sector Avg 2.0x
SEPN Sector
Debt/Equity
SEPN 0.0x
vs
Sector Avg 0.6x
SEPN Sector

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

Is Septerna, Inc. Stock Overvalued? SEPN Valuation Analysis 2026

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

Return on Equity
-12.8%
Sector avg: 15%
Net Profit Margin
-106.4%
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.

Septerna, Inc. Balance Sheet: SEPN Debt, Cash & Liquidity

Current Ratio
4.73x
Quick Ratio
4.73x
Debt/Equity
0.00x
Debt/Assets
35.9%
Interest Coverage
N/A
Long-term Debt
N/A

SEPN Revenue & Earnings Growth: 5-Year Financial Trend

SEPN 5-year financial data: Year 2024: Revenue $1.1M, Net Income $4.2M, EPS $0.29. Year 2025: Revenue $46.0M, Net Income -$71.8M, EPS $-7.26.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Septerna, Inc.'s revenue has grown significantly by 4,175% over the 5-year period, indicating strong business expansion. The most recent EPS of $-7.26 indicates the company is currently unprofitable.

SEPN 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
238.7%
Free cash flow / Revenue

SEPN Quarterly Earnings & Performance

Quarterly financial performance data for Septerna, Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $176.0K $8.2M $0.18
Q2 2025 $119.0K -$14.2M $-0.56
Q1 2025 $219.0K -$14.2M $-0.49
Q3 2024 $33.0K -$9.2M $-5.45

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

Septerna, Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$110.2M
Cash generated from operations
Capital Expenditures
$518.0K
Investment in assets
Dividends
None
No dividend program

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

Access official SEC EDGAR filings for Septerna, Inc. (CIK: 0001984086)

📋 Recent SEC Filings

Date Form Document Action
Apr 13, 2026 8-K d57504d8k.htm View →
Mar 9, 2026 10-K sepn-20251231.htm View →
Mar 9, 2026 8-K sepn-20260309.htm View →
Mar 4, 2026 4 xslF345X05/ownership.xml View →
Mar 2, 2026 8-K d44190d8k.htm View →

Frequently Asked Questions about SEPN

What is the AI rating for SEPN?

Septerna, Inc. (SEPN) has an AI rating of BUY with 67% confidence, based on fundamental analysis of SEC EDGAR filings.

What are SEPN's key strengths?

Claude: Exceptional YoY revenue growth of 4174% indicates successful product launch and strong market adoption. Very strong balance sheet with 381.9M stockholders equity, 120.7M cash, and zero long-term debt.

What are the risks of investing in SEPN?

Claude: Significant operating losses (-148% operating margin) and negative net income require demonstrated path to profitability. Early-stage commercialization risk: revenue sustainability depends on product demand persistence and competitive dynamics.

What is SEPN's revenue and growth?

Septerna, Inc. reported revenue of $46.0M.

Does SEPN pay dividends?

Septerna, Inc. does not currently pay dividends.

Where can I find SEPN SEC filings?

Official SEC filings for Septerna, Inc. (CIK: 0001984086) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is SEPN's EPS?

Septerna, Inc. has a diluted EPS of $-1.10.

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 SEPN a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Septerna, Inc. has a BUY rating with 67% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is SEPN stock overvalued or undervalued?

Valuation metrics for SEPN: ROE of -12.8% (sector avg: 15%), net margin of -106.4% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy SEPN stock in 2026?

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

What is SEPN's free cash flow?

Septerna, Inc.'s operating cash flow is $110.2M, with capital expenditures of $518.0K. FCF margin is 238.7%.

How does SEPN compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin -106.4% (avg: 12%), ROE -12.8% (avg: 15%), current ratio 4.73 (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: Apr 15, 2026 | Data as of: 2025-12-31 | Powered by Claude AI