Repligen Corporation (RGEN) fair value: what the stock is really worth
As of Sep 23, 2026: fair value of Repligen Corporation $80.54, price $185, upside -56.4%, quality 67 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
- Fair value above price? No
- Good quality? Yes
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Repligen Corporation
RGEN · USStretched ValuationQuality growthStrong overvaluation with only moderate quality.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 23, 2026.
How to read this chart
60‑month range $102.87 – $324.21 · fair‑value band $46.76 – $104.70 · the $184.53 price screens above the $80.54 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Sep 23, 2026.
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Company profile
Repligen Corporation, a life sciences company, develops and commercializes bioprocessing technologies and systems in North America, Europe, the Asia Pacific, and internationally.
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Repligen Corporation, a life sciences company, develops and commercializes bioprocessing technologies and systems in North America, Europe, the Asia Pacific, and internationally. The company's products include hollow fiber consumables, KRM chromatography system, resins for new modalities, PATsmart MAVERICK and PATsmart MAVEN for real-time monitoring and control of critical bioprocess parameters, PATsmart REBEL, an at-line cell culture media analyzer; and PATsmart ZipChip, a high-resolution sample separations device, PATsmart SoloVPE slope spectroscopy system, and SoloVPE PLUS System. It offers Protien A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company also provides chromatography products, including OPUS pre-packed chromatography columns, which are used in the purification and quality control of biological drugs, as well as ELISA test kits. In addition, it offers filtration products, such as XCell ATF Cell Retention Systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration, buffer exchange, and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; and ProConnex TFDF flow paths. Further, it provides process analytics products, such as slope spectroscopy systems. The company offers its products under the OPUS, XCell, XCell ATF, TFDF, KrosFlo, SIUS, ProConnex, Spectra/Por, NGL-Impact, SoloVPE, FlowVPE, RPM, XO, Metenova MixOne, and AVIPure and FlowVPX brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has a collaboration agreement with Navigo Proteins GmbH to develop multiple affinity ligands. The company was incorporated in 1981 and is headquartered in Waltham, Massachusetts.
Stock analysis
Repligen Corporation (RGEN) currently trades at $184.53, while our model-based Fair Value estimate is $80.54, implying the stock looks roughly 129.1% overvalued today.
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Valuation
Bull case: the DCF Models group reads highest at a median of $46.14 per share, and 0 of the 24 models we run sit above the $184.53 price.
Bear case: the Economic Profit group reads lowest at $9.02, and 24 of the 24 models stay below the price. Evidence for this calculation is medium.
Scenario range: $46.76 (bear) to $104.70 (bull), the price of $184.53 sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 67/100 (solid quality), in the Healthcare sector.
Weak Growth: Revenue growth is inconsistent: the periods point in different directions, so there is no trend to rely on.
Repligen Corporation reported revenue of $738M in FY2025 versus $671M in FY2021, a compound +2.4%/yr. Reported net income was $48.9M in FY2025, compounding −21.4%/yr from FY2021.
Key figures
Market cap $10.4B · P/E ratio 202.8 · P/S ratio 13.4 · EPS (TTM) $0.9100 · Net margin 6.6% · Return on equity 2.5% · Return on assets (EBIT) 3.7% · Operating margin 8.9%.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 52 out of 100 (low confidence).
What moves the price
The last reported earnings sit well below what analysts expect (earnings in transition, for example after write-downs or an earnings dip); whether the stock is cheap or expensive hinges on the expected recovery actually arriving. Read the fair value with that caveat.
The share trades about 1% below its 52-week high and 79% above its 52-week low, currently above its 200-day average.
For context, the median of 10 Healthcare peers we cover trades at −12% fair-value upside, at −56%, RGEN screens richer than that median.
Fair Value models
All 24 models by family
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Set up alert →Quality Score breakdown
Of which business quality 66 · Market factors (momentum, volatility) 78
Revenue & earnings trend
Growth Forecast
RGEN screens 129% overvalued. Compare with Intuitive Surgical, Inc →
Compare Repligen Corporation with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Medical Instruments & Supplies · 203 stocks
Valuation Multiplesvs Medical Instruments & Supplies median · lower = cheaper
Strength profile in five axes (Snowflake)
VALUE 0: the price sits above our fair-value range.
Context: sector, industry, market
- Is the Health Care sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Medical Instruments & Supplies stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Intuitive Surgical, Inc ISRG | $402.09 | $353.38 | −12% |
| EssilorLuxottica Société anonyme EL | €144.50 | €158.95 | +10% |
| Medline Inc MDLN | $34.43 | $30.15 | −12% |
| Becton, Dickinson and Company BDX | $183.00 | $103.53 | −43% |
| Alcon Inc ALC | $65.59 | $39.78 | −39% |
| ResMed Inc RMD | A$31.61 | A$34.77 | +10% |
| West Pharmaceutical Services, Inc WST | $371.09 | $137.28 | −63% |
| Sartorius Stedim Biotech S.A DIM | €206.40 | €54.82 | −73% |
| Straumann Holding STMN | CHF 97.86 | CHF 45.50 | −54% |
| Solventum Corporation SOLV | $88.75 | $130.51 | +47% |
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Key figures of Repligen Corporation
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