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

RGEN Nasdaq Biological Products, (No Diagnostic Substances) DE CIK: 0000730272
Recently Updated • Analysis: Apr 9, 2026 • SEC Data: 2025-12-31
Combined AI Rating
HOLD
65% Confidence
STRONG AGREEMENT
HOLD
62% Conf
HOLD
68% Conf

📊 RGEN Key Takeaways

Revenue: $738.3M
Net Margin: 6.6%
Free Cash Flow: $93.9M
Current Ratio: 8.37x
Debt/Equity: 0.26x
EPS: $0.86
AI Rating: HOLD with 62% confidence
Repligen Corp. (RGEN) receives a HOLD rating with 65% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $738.3M, net profit margin of 6.6%, and return on equity (ROE) of 2.3%, Repligen Corp. demonstrates mixed fundamentals in the Healthcare sector. Below is our complete RGEN stock analysis for 2026.

Is Repligen Corp. (RGEN) a Good Investment?

Claude

Repligen demonstrates strong financial health with excellent liquidity, conservative leverage, and robust free cash flow generation ($93.9M), supporting sustainable operations. However, extremely thin margins (6.6% net, 8.2% gross) and poor capital returns (ROE 2.3%, ROA 1.7%) coupled with disproportionate earnings growth (291.6% vs 16.4% revenue growth) raise quality-of-earnings concerns, suggesting non-operational gains or accounting benefits rather than fundamental operational improvement.

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
  • + Solid revenue growth of 16.4% YoY demonstrates market demand
  • + Exceptional free cash flow generation at $93.9M with 12.7% FCF margin provides financial flexibility
  • + Fortress balance sheet with 8.37x current ratio, 0.26x debt-to-equity, and $566M cash position ensures financial stability
  • + Positive cash conversion with operating cash flow of $117.4M supporting dividend potential and reinvestment
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
  • ! Critically low margins (6.6% net, 8.2% gross) indicate intense competitive pressure or unfavorable product mix typical of commoditized biologics
  • ! Earnings growth (291.6%) vastly exceeds revenue growth (16.4%), suggesting reliance on one-time gains or tax benefits rather than sustainable operations
  • ! Weak capital efficiency with ROE of 2.3% and ROA of 1.7% indicates capital deployment problems despite profitability
  • ! Interest coverage of 2.4x provides limited debt service cushion; any earnings decline could strain liquidity
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
  • * Gross margin trend—must demonstrate stabilization or expansion to validate operational health
  • * Year-over-year revenue growth sustainability—confirm 16.4% growth is repeatable
  • * Return on equity and asset trends—watch for improvement toward industry-standard 8-12% ROE
  • * Operating cash flow consistency—ensure FCF generation is not dependent on working capital fluctuations
  • * Interest coverage ratio—monitor for deterioration that could constrain strategic flexibility
ChatGPT
  • * Gross margin %
  • * Interest coverage

Repligen Corp. (RGEN) Financial Metrics & Key Ratios

Revenue
$738.3M
Net Income
$48.9M
EPS (Diluted)
$0.86
Free Cash Flow
$93.9M
Total Assets
$2.9B
Cash Position
$566.0M

💡 AI Analyst Insight

Strong liquidity with a 8.37x current ratio provides a solid financial cushion.

RGEN Profit Margin, ROE & Profitability Analysis

Gross Margin 8.2%
Operating Margin 7.5%
Net Margin 6.6%
ROE 2.3%
ROA 1.7%
FCF Margin 12.7%

RGEN vs Healthcare Sector: How Repligen Corp. Compares

How Repligen Corp. compares to Healthcare sector averages

Net Margin
RGEN 6.6%
vs
Sector Avg 12.0%
RGEN Sector
ROE
RGEN 2.3%
vs
Sector Avg 15.0%
RGEN Sector
Current Ratio
RGEN 8.4x
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
2.3%
Sector avg: 15%
Net Profit Margin
6.6%
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
8.37x
Quick Ratio
7.12x
Debt/Equity
0.26x
Debt/Assets
28.6%
Interest Coverage
2.44x
Long-term Debt
$542.2M

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
12.7%
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
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
Q2 2023 $159.2M $20.1M $0.35

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
$117.4M
Cash generated from operations
Capital Expenditures
$23.5M
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
Apr 2, 2026 DEF 14A rgen-20260402.htm View →
Mar 23, 2026 4 xslF345X06/ownership.xml View →
Mar 23, 2026 4 xslF345X06/ownership.xml View →
Mar 23, 2026 4 xslF345X06/ownership.xml View →
Mar 23, 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 HOLD from Claude (HOLD) and ChatGPT (HOLD) with 65% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are RGEN's key strengths?

Claude: Solid revenue growth of 16.4% YoY demonstrates market demand. Exceptional free cash flow generation at $93.9M with 12.7% FCF margin provides financial flexibility. 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: Critically low margins (6.6% net, 8.2% gross) indicate intense competitive pressure or unfavorable product mix typical of commoditized biologics. Earnings growth (291.6%) vastly exceeds revenue growth (16.4%), suggesting reliance on one-time gains or tax benefits rather than sustainable operations. 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 $738.3M.

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 $0.86.

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 April 2026, Repligen Corp. has a HOLD rating with 65% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is RGEN stock overvalued or undervalued?

Valuation metrics for RGEN: ROE of 2.3% (sector avg: 15%), net margin of 6.6% (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 HOLD 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 $117.4M, with capital expenditures of $23.5M. FCF margin is 12.7%.

How does RGEN compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin 6.6% (avg: 12%), ROE 2.3% (avg: 15%), current ratio 8.37 (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 9, 2026 | Data as of: 2025-12-31 | Powered by Claude AI