RGEN (Repligen) Cyclically Adjusted PB Ratio: 5.22 (As of Jul. 15, 2026) — 54% Below Median

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Director of Data and Quant Analytics at GuruFocus
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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

RGEN Repligen Corp RGEN
87 GF Score
Price $148.06
GF Value $176.86
Valuation Modestly Undervalued
! 5 Warning Signs
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What is Repligen Cyclically Adjusted PB Ratio?

Repligen RGEN +0.63% 87 Cyclically Adjusted PB Ratio is 5.22 as of Jul. 15, 2026, which is 54% below its 10-year median of 11.36. GuruFocus rates RGEN with a GF Score™ of 87/100 and a GF Value™ of $176.86 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 524 Medical Devices & Instruments companies, Repligen ranks worse than 81.87% on this metric.

As of today (2026-07-15), Repligen's current share price is $148.06. Repligen's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $28.38. Repligen's Cyclically Adjusted PB Ratio for today is 5.22.

The historical rank and industry rank for Repligen's Cyclically Adjusted PB Ratio or its related term are showing as below:

RGEN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 3.62   Med: 11.36   Max: 31.08
Current: 5.19

During the past years, Repligen's highest Cyclically Adjusted PB Ratio was 31.08. The lowest was 3.62. And the median was 11.36.

RGEN's Cyclically Adjusted PB Ratio is ranked worse than
81.87% of 524 companies
in the Medical Devices & Instruments industry
Industry Median: 1.785 vs RGEN: 5.19

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Repligen's adjusted book value per share data for the three months ended in Mar. 2026 was $37.332. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $28.38 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Repligen  (NAS:RGEN) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Repligen Cyclically Adjusted PB Ratio Related Terms


Repligen Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Repligen's Cyclically Adjusted PB Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Repligen Cyclically Adjusted PB Ratio Chart

Repligen Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 21.87 10.64 9.18 6.19 6.05

Repligen Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 5.23 4.91 5.08 6.05 4.15

RGEN vs ATR, AVTR, TFX: Cyclically Adjusted PB Ratio Comparison

For the Medical Instruments & Supplies subindustry, Repligen's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Repligen Cyclically Adjusted PB Ratio vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Repligen's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Repligen's Cyclically Adjusted PB Ratio falls into.


RGEN
87GF Score
Repligen Corp RGEN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Repligen Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Repligen's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=148.06/28.38
=5.22

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Repligen's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Repligen's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=37.332/330.2130*330.2130
=37.332

Current CPI (Mar. 2026) = 330.2130.

Repligen Quarterly Data

Book Value per Share CPI Adj_Book
201606 4.860 241.018 6.659
201609 4.922 241.428 6.732
201612 4.987 241.432 6.821
201703 5.188 243.801 7.027
201706 5.596 244.955 7.544
201709 13.243 246.819 17.717
201712 13.572 246.524 18.179
201803 13.668 249.554 18.086
201806 13.668 251.989 17.911
201809 13.830 252.439 18.091
201812 14.017 251.233 18.424
201903 14.181 254.202 18.421
201906 18.279 256.143 23.565
201909 20.078 256.759 25.822
201912 20.350 256.974 26.150
202003 20.463 258.115 26.179
202006 20.955 257.797 26.841
202009 21.383 260.280 27.128
202012 27.924 260.474 35.400
202103 28.347 264.877 35.339
202106 29.163 271.696 35.444
202109 31.026 274.310 37.349
202112 31.635 278.802 37.468
202203 31.868 287.504 36.602
202206 32.549 296.311 36.273
202209 33.053 296.808 36.773
202212 34.391 296.797 38.263
202303 34.873 301.836 38.152
202306 35.356 305.109 38.265
202309 35.653 307.789 38.251
202312 35.234 306.746 37.930
202403 35.290 312.332 37.310
202406 35.532 314.175 37.346
202409 35.995 315.301 37.697
202412 35.169 315.605 36.797
202503 35.342 319.799 36.493
202506 36.651 322.561 37.520
202509 37.011 324.800 37.628
202512 37.392 324.054 38.103
202603 37.332 330.213 37.332

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 5.22 mean?
Repligen (RGEN) has a Cyclically Adjusted PB Ratio of 5.22 as of Jul. 15, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Repligen and its competitors. This is 54% below median its historical median of 11.36. Over the past decade, Repligen's Cyclically Adjusted PB Ratio has ranged from 3.62 to 31.08. According to the industry distribution chart, Repligen ranks #429 out of 524 companies in the Medical Devices & Instruments industry, placing it in the top 81.9%.
Is Repligen's Cyclically Adjusted PB Ratio too high?
Repligen's current Cyclically Adjusted PB Ratio of 5.22 is 54% below median its 10-year median of 11.36. Over the past 10 years, this metric has ranged from a low of 3.62 to a high of 31.08. The Medical Devices & Instruments industry median Cyclically Adjusted PB Ratio is 1.79. Repligen's value of 5.22 is 192.4% above this industry median. Based on the distribution chart, Repligen ranks #429 out of 524 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Repligen has a GF Score™ of 87/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Repligen's Cyclically Adjusted PB Ratio compare to ATR and AVTR?
According to the Medical Devices & Instruments industry distribution chart, Repligen ranks #429 out of 524 companies for Cyclically Adjusted PB Ratio. This places Repligen in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.79. Repligen's value of 5.22 is 192.4% above this benchmark. Historically, Repligen's own Cyclically Adjusted PB Ratio has ranged from 3.62 to 31.08 over the past decade. While the company's 10-year median is 11.36 vs. the industry median of 1.79, Repligen has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Medical Devices & Instruments company?
The median Cyclically Adjusted PB Ratio among Medical Devices & Instruments companies is 1.79, based on 524 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Repligen's current Cyclically Adjusted PB Ratio of 5.22 is 192.4% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Repligen and its competitors. For the Medical Devices & Instruments industry, the median Cyclically Adjusted PB Ratio is 1.79 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Repligen's current Cyclically Adjusted PB Ratio is 5.22, which is 54% below median its own 10-year median of 11.36. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Repligen stock overvalued right now?
Based on GuruFocus' analysis, Repligen (RGEN) is currently considered Modestly Undervalued. The stock's GF Value™ is $176.86, compared to a current price of $148.06 — trading 16.3% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 5.22, which is 54% below median its 10-year median of 11.36 and 192.4% above the Medical Devices & Instruments industry median of 1.79. Repligen's overall GF Score™ is 87/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Repligen (RGEN), the current Cyclically Adjusted PB Ratio is 5.22 as of Jul. 15, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Repligen (RGEN) Overvalued in 2026?

Based on GuruFocus' analysis, Repligen stock appears to be undervalued. The current stock price of $148.06 is trading 16.3% below its estimated GF Value™ of $176.86. GuruFocus considers Repligen to be Modestly Undervalued.

Key valuation signals for RGEN:

  • Cyclically Adjusted PB Ratio: 5.22 (54% below median its 10-year median of 11.36)
  • GF Value™: $176.86 vs. price of $148.06 (16.3% below fair value)
  • GF Score™: 87/100 with 5 warning signs
  • Industry Position: 192.4% above the Medical Devices & Instruments median (#429 of 524)

No single metric tells the full story. See the RGEN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Repligen Business Description

Other Exchanges RGN:Germany
Address 41 Seyon Street, Building 1, Suite 100, Waltham, MA, USA, 02453
Repligen, headquartered in Waltham, Massachusetts, is a global life sciences company that develops and sells bioprocessing equipment and supplies used in the manufacturing of biologic drugs, including monoclonal antibodies, recombinant proteins, vaccines, and cell and gene therapies. Its customers include biopharmaceutical companies, contract development and manufacturing organizations, or CDMOs, and other life science companies. It sells four main product categories: filtration (including fluid management) is the largest category (about 55% of total revenue), while chromatography, proteins, and process analytics are 21%, 11%, and 13%, respectively. Customers in North America, Europe, and Asia Pacific contribute about 44%, 37%, and 19% of revenue, respectively.
87GF Score

Get the complete analysis for RGEN

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$148.06
Price
$176.86
GF Value