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Side-by-side financial comparison of REPLIGEN CORP (RGEN) and RAMBUS INC (RMBS). Click either name above to swap in a different company.
REPLIGEN CORP is the larger business by last-quarter revenue ($194.3M vs $180.2M, roughly 1.1× RAMBUS INC). RAMBUS INC runs the higher net margin — 33.2% vs 4.3%, a 29.0% gap on every dollar of revenue. On growth, REPLIGEN CORP posted the faster year-over-year revenue change (14.8% vs 8.1%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs 12.3%).
Repligen Corporation is a global life sciences company devoted to the development and commercialization of innovative bioprocessing technologies and systems that enable efficiencies in the process of manufacturing biological drugs.2025 The company is based in Waltham, Massachusetts,2014 and was incorporated in Delaware in 1981. A public company, Repligen is listed on the NASDAQ exchange under the symbol RGEN. As of 2025, Repligen employs over 1,900 employees globally and serves primarily biop...
Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory.
RGEN vs RMBS — Head-to-Head
Income Statement — Q1 FY2026 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $194.3M | $180.2M |
| Net Profit | $8.3M | $59.9M |
| Gross Margin | 55.7% | 79.7% |
| Operating Margin | 8.2% | 34.3% |
| Net Margin | 4.3% | 33.2% |
| Revenue YoY | 14.8% | 8.1% |
| Net Profit YoY | 42.9% | -7.3% |
| EPS (diluted) | $0.15 | $0.55 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | $194.3M | $180.2M | ||
| Q4 25 | $197.9M | $190.2M | ||
| Q3 25 | $188.8M | $178.5M | ||
| Q2 25 | $182.4M | $172.2M | ||
| Q1 25 | $169.2M | $166.7M | ||
| Q4 24 | $174.1M | $161.1M | ||
| Q3 24 | $154.9M | $145.5M | ||
| Q2 24 | $154.1M | $132.1M |
| Q1 26 | $8.3M | $59.9M | ||
| Q4 25 | $13.3M | $63.8M | ||
| Q3 25 | $14.9M | $48.4M | ||
| Q2 25 | $14.9M | $57.9M | ||
| Q1 25 | $5.8M | $60.3M | ||
| Q4 24 | $-30.3M | $62.2M | ||
| Q3 24 | $-654.0K | $48.7M | ||
| Q2 24 | $3.3M | $36.1M |
| Q1 26 | 55.7% | 79.7% | ||
| Q4 25 | 52.5% | 78.9% | ||
| Q3 25 | 53.2% | 79.5% | ||
| Q2 25 | 50.0% | 79.8% | ||
| Q1 25 | 53.6% | 80.3% | ||
| Q4 24 | 26.1% | 80.4% | ||
| Q3 24 | 50.0% | 80.7% | ||
| Q2 24 | 49.8% | 79.7% |
| Q1 26 | 8.2% | 34.3% | ||
| Q4 25 | 9.0% | 37.2% | ||
| Q3 25 | 8.9% | 35.4% | ||
| Q2 25 | 7.6% | 36.6% | ||
| Q1 25 | 3.9% | 37.9% | ||
| Q4 24 | -17.7% | 35.9% | ||
| Q3 24 | -5.1% | 37.6% | ||
| Q2 24 | 1.0% | 30.5% |
| Q1 26 | 4.3% | 33.2% | ||
| Q4 25 | 6.7% | 33.6% | ||
| Q3 25 | 7.9% | 27.1% | ||
| Q2 25 | 8.2% | 33.6% | ||
| Q1 25 | 3.4% | 36.2% | ||
| Q4 24 | -17.4% | 38.6% | ||
| Q3 24 | -0.4% | 33.4% | ||
| Q2 24 | 2.2% | 27.3% |
| Q1 26 | $0.15 | $0.55 | ||
| Q4 25 | $0.24 | $0.58 | ||
| Q3 25 | $0.26 | $0.44 | ||
| Q2 25 | $0.26 | $0.53 | ||
| Q1 25 | $0.10 | $0.56 | ||
| Q4 24 | $-0.55 | $0.57 | ||
| Q3 24 | $-0.01 | $0.45 | ||
| Q2 24 | $0.06 | $0.33 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $582.6M | $134.3M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | — | — |
| Total Assets | $2.9B | $1.5B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $582.6M | $134.3M | ||
| Q4 25 | $767.6M | $182.8M | ||
| Q3 25 | $748.7M | $79.2M | ||
| Q2 25 | $708.9M | $87.8M | ||
| Q1 25 | $697.2M | $132.2M | ||
| Q4 24 | $757.4M | $99.8M | ||
| Q3 24 | $784.0M | $114.0M | ||
| Q2 24 | $809.1M | $124.6M |
| Q1 26 | — | — | ||
| Q4 25 | $542.2M | — | ||
| Q3 25 | $537.9M | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | $525.6M | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
| Q1 26 | — | — | ||
| Q4 25 | $2.1B | $1.4B | ||
| Q3 25 | $2.1B | $1.3B | ||
| Q2 25 | $2.1B | $1.2B | ||
| Q1 25 | $2.0B | $1.2B | ||
| Q4 24 | $2.0B | $1.1B | ||
| Q3 24 | $2.0B | $1.0B | ||
| Q2 24 | $2.0B | $1.0B |
| Q1 26 | $2.9B | $1.5B | ||
| Q4 25 | $2.9B | $1.5B | ||
| Q3 25 | $2.9B | $1.4B | ||
| Q2 25 | $2.9B | $1.5B | ||
| Q1 25 | $2.9B | $1.4B | ||
| Q4 24 | $2.8B | $1.3B | ||
| Q3 24 | $2.8B | $1.3B | ||
| Q2 24 | $2.9B | $1.3B |
| Q1 26 | — | — | ||
| Q4 25 | 0.26× | — | ||
| Q3 25 | 0.26× | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 0.27× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
RGEN
| Product | $194.2M | 100% |
| Royalty and other revenue | $44.0K | 0% |
RMBS
| Product revenue | $88.0M | 49% |
| Royalties | $69.6M | 39% |
| Contract and other revenue | $22.6M | 13% |
