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Repligen Corp. (RGEN) Stock Fundamental Analysis & AI Rating 2026

RGEN Nasdaq Biological Products, (No Diagnostic Substances) DE CIK: 0000730272
Updated This Month • Analysis: May 7, 2026 • SEC Data: 2026-03-31
Combined AI Rating
BUY
70% Confidence
AGREEMENT
BUY
72% Conf
HOLD
68% Conf

📊 RGEN Key Takeaways

Revenue: $194.3M
Net Margin: 4.3%
Free Cash Flow: $23.6M
Current Ratio: 9.20x
Debt/Equity: 0.26x
EPS: $0.15
AI Rating: BUY with 72% confidence
Repligen Corp. (RGEN) receives a BUY rating with 70% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $194.3M, net profit margin of 4.3%, and return on equity (ROE) of 0.4%, Repligen Corp. demonstrates strong fundamentals in the Healthcare sector. Below is our complete RGEN stock analysis for 2026.

Is Repligen Corp. (RGEN) a Good Investment?

Claude

RGEN demonstrates solid fundamentals with 16.4% revenue growth, exceptional 291.6% net income growth, and an excellent liquidity position (current ratio 9.20x) backed by $582.6M cash. However, thin margins (4.3% net margin, 8.2% operating margin) and weak returns on equity/assets (0.4% ROE, 0.3% ROA) indicate the company prioritizes cash accumulation over profitability optimization.

ChatGPT

Repligen is growing double-digits (+16.4% YoY) with a sharp rebound in profitability and solid free cash flow (12.7% margin), backed by strong liquidity. However, very low gross margin (8.2%), muted returns (ROE 2.3%), and thin interest coverage (2.4x) point to weak earnings quality. A neutral stance is warranted until margins recover and interest coverage improves.

Why Buy Repligen Corp. Stock? RGEN Key Strengths

Claude
  • + Strong revenue growth trajectory at 16.4% YoY in competitive biotech sector
  • + Exceptional net income growth of 291.6% YoY demonstrating improving operational leverage
  • + Fortress balance sheet: $582.6M cash, 0.26x debt-to-equity ratio, and 9.20x current ratio providing substantial financial flexibility
  • + Consistent free cash flow generation of $23.6M with healthy 12.1% FCF margin
ChatGPT
  • + Robust liquidity (current 8.37x, quick 7.12x) with $566M cash
  • + Healthy free cash flow ($93.9M; 12.7% margin)
  • + Revenue growth +16.4% YoY with significant net income rebound

RGEN Stock Risks: Repligen Corp. Investment Risks

Claude
  • ! Net profit margin of only 4.3% and operating margin of 8.2% suggest limited pricing power or high operational costs relative to revenue
  • ! Extremely low return metrics (ROE 0.4%, ROA 0.3%) indicate inefficient capital deployment despite strong balance sheet
  • ! The 291.6% net income growth may be unsustainable if driven by one-time benefits or cost cuts rather than core business expansion
  • ! Interest coverage ratio of 2.7x provides only modest buffer if operating conditions deteriorate or rates increase
  • ! Excess liquidity (9.20x current ratio) suggests capital not being productively deployed in growth initiatives or shareholder returns
ChatGPT
  • ! Very low gross margin (8.2%) indicates pricing/COGS pressure
  • ! Low ROE (2.3%) and ROA (1.7%) suggest inefficient capital use
  • ! Interest coverage of 2.4x leaves limited cushion if earnings soften

Key Metrics to Watch

Claude
  • * Operating margin trend and sustainability of net income growth in subsequent quarters
  • * Return on equity improvement trajectory and capital allocation strategy
  • * Organic revenue growth contribution versus any M&A-driven gains
  • * Free cash flow conversion rate and management's deployment plans for accumulated cash
ChatGPT
  • * Gross margin %
  • * Interest coverage

Repligen Corp. (RGEN) Financial Metrics & Key Ratios

Revenue
$194.3M
Net Income
$8.3M
EPS (Diluted)
$0.15
Free Cash Flow
$23.6M
Total Assets
$2.9B
Cash Position
$582.7M

💡 AI Analyst Insight

Strong liquidity with a 9.20x current ratio provides a solid financial cushion.

RGEN Profit Margin, ROE & Profitability Analysis

Gross Margin 31.1%
Operating Margin 8.2%
Net Margin 4.3%
ROE 0.4%
ROA 0.3%
FCF Margin 12.1%

RGEN vs Healthcare Sector: How Repligen Corp. Compares

How Repligen Corp. compares to Healthcare sector averages

Net Margin
RGEN 4.3%
vs
Sector Avg 12.0%
RGEN Sector
ROE
RGEN 0.4%
vs
Sector Avg 15.0%
RGEN Sector
Current Ratio
RGEN 9.2x
vs
Sector Avg 2.0x
RGEN Sector
Debt/Equity
RGEN 0.3x
vs
Sector Avg 0.6x
RGEN Sector

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

Is Repligen Corp. Stock Overvalued? RGEN Valuation Analysis 2026

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

Return on Equity
0.4%
Sector avg: 15%
Net Profit Margin
4.3%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.26x
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.

Repligen Corp. Balance Sheet: RGEN Debt, Cash & Liquidity

Current Ratio
9.20x
Quick Ratio
7.78x
Debt/Equity
0.26x
Debt/Assets
28.2%
Interest Coverage
2.71x
Long-term Debt
$546.6M

RGEN Revenue & Earnings Growth: 5-Year Financial Trend

RGEN 5-year financial data: Year 2021: Revenue $670.5M, Net Income $21.4M, EPS $0.44. Year 2022: Revenue $801.5M, Net Income $59.9M, EPS $1.11. Year 2023: Revenue $801.5M, Net Income $128.3M, EPS $2.24. Year 2024: Revenue $801.5M, Net Income $186.0M, EPS $3.24. Year 2025: Revenue $738.3M, Net Income $35.6M, EPS $0.63.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Repligen Corp.'s revenue has grown significantly by 10% over the 5-year period, indicating strong business expansion. The most recent EPS of $0.63 reflects profitable operations.

RGEN 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
12.1%
Free cash flow / Revenue

RGEN Quarterly Earnings & Performance

Quarterly financial performance data for Repligen Corp. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $169.2M $5.8M $0.10
Q3 2025 $154.9M -$654.0K $-0.01
Q2 2025 $158.8M $5.7M $0.10
Q1 2025 $153.2M $3.3M $0.06
Q3 2024 $141.2M -$654.0K $-0.01
Q2 2024 $154.1M $3.3M $0.06
Q1 2024 $151.3M $2.1M $0.04
Q3 2023 $141.2M $18.2M $0.32

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

Repligen Corp. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$28.3M
Cash generated from operations
Capital Expenditures
$4.7M
Investment in assets
Dividends
None
No dividend program

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

Access official SEC EDGAR filings for Repligen Corp. (CIK: 0000730272)

📋 Recent SEC Filings

Date Form Document Action
May 18, 2026 4 xslF345X06/ownership.xml View →
May 18, 2026 4 xslF345X06/ownership.xml View →
May 18, 2026 4 xslF345X06/ownership.xml View →
May 18, 2026 4 xslF345X06/ownership.xml View →
May 18, 2026 4 xslF345X06/ownership.xml View →

Frequently Asked Questions about RGEN

What is the AI rating for RGEN?

Repligen Corp. (RGEN) has a Combined AI Rating of BUY from Claude (BUY) and ChatGPT (HOLD) with 70% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are RGEN's key strengths?

Claude: Strong revenue growth trajectory at 16.4% YoY in competitive biotech sector. Exceptional net income growth of 291.6% YoY demonstrating improving operational leverage. ChatGPT: Robust liquidity (current 8.37x, quick 7.12x) with $566M cash. Healthy free cash flow ($93.9M; 12.7% margin).

What are the risks of investing in RGEN?

Claude: Net profit margin of only 4.3% and operating margin of 8.2% suggest limited pricing power or high operational costs relative to revenue. Extremely low return metrics (ROE 0.4%, ROA 0.3%) indicate inefficient capital deployment despite strong balance sheet. ChatGPT: Very low gross margin (8.2%) indicates pricing/COGS pressure. Low ROE (2.3%) and ROA (1.7%) suggest inefficient capital use.

What is RGEN's revenue and growth?

Repligen Corp. reported revenue of $194.3M.

Does RGEN pay dividends?

Repligen Corp. does not currently pay dividends.

Where can I find RGEN SEC filings?

Official SEC filings for Repligen Corp. (CIK: 0000730272) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is RGEN's EPS?

Repligen Corp. has a diluted EPS of $0.15.

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 RGEN a good stock to buy right now?

Based on our AI fundamental analysis in May 2026, Repligen Corp. has a BUY rating with 70% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is RGEN stock overvalued or undervalued?

Valuation metrics for RGEN: ROE of 0.4% (sector avg: 15%), net margin of 4.3% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy RGEN stock in 2026?

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

What is RGEN's free cash flow?

Repligen Corp.'s operating cash flow is $28.3M, with capital expenditures of $4.7M. FCF margin is 12.1%.

How does RGEN compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin 4.3% (avg: 12%), ROE 0.4% (avg: 15%), current ratio 9.20 (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: May 7, 2026 | Data as of: 2026-03-31 | Powered by Claude AI