Alnylam Pharmaceuticals (LTS:0HD2) Cyclically Adjusted PB Ratio: 25.11 (As of Aug. 15, 2026) — 88% Above Median

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LTS:0HD2 Alnylam Pharmaceuticals Inc LTS:0HD2
68 GF Score
Price $227.71
GF Value $526.63
Valuation Significantly Undervalued
! 2 Warning Signs
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What is Alnylam Pharmaceuticals Cyclically Adjusted PB Ratio?

Alnylam Pharmaceuticals LTS:0HD2 +0.51% 68 Cyclically Adjusted PB Ratio is 25.11 as of Aug. 15, 2026, which is 88% above its 10-year median of 13.38. GuruFocus rates LTS:0HD2 with a GF Score™ of 68/100 and a GF Value™ of $526.63 (Significantly Undervalued). The stock has 2 warning signs investors should review. Among 692 Biotechnology companies, Alnylam Pharmaceuticals ranks worse than 95.23% on this metric.

As of today (2026-08-15), Alnylam Pharmaceuticals's current share price is $227.7095. Alnylam Pharmaceuticals's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $9.07. Alnylam Pharmaceuticals's Cyclically Adjusted PB Ratio for today is 25.11.

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

LTS:0HD2' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 4.66   Med: 13.38   Max: 49.35
Current: 24.9

During the past years, Alnylam Pharmaceuticals's highest Cyclically Adjusted PB Ratio was 49.35. The lowest was 4.66. And the median was 13.38.

LTS:0HD2's Cyclically Adjusted PB Ratio is ranked worse than
95.23% of 692 companies
in the Biotechnology industry
Industry Median: 1.62 vs LTS:0HD2: 24.90

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.

Alnylam Pharmaceuticals's adjusted book value per share data for the three months ended in Jun. 2026 was $10.125. 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 $9.07 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Alnylam Pharmaceuticals  (LTS:0HD2) 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.


Alnylam Pharmaceuticals Cyclically Adjusted PB Ratio Related Terms


Alnylam Pharmaceuticals Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Alnylam Pharmaceuticals'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.

Alnylam Pharmaceuticals Cyclically Adjusted PB Ratio Chart

Alnylam Pharmaceuticals 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 13.79 18.66 15.53 21.33 42.42

Alnylam Pharmaceuticals Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 32.05 46.74 42.42 35.69 32.78

LTS:0HD2 vs ONC, RVMD, RPRX: Cyclically Adjusted PB Ratio Comparison

For the Biotechnology subindustry, Alnylam Pharmaceuticals'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.


Alnylam Pharmaceuticals Cyclically Adjusted PB Ratio vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Alnylam Pharmaceuticals's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


LTS:0HD2
68GF Score
Alnylam Pharmaceuticals Inc LTS:0HD2
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Alnylam Pharmaceuticals 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.

Alnylam Pharmaceuticals's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=227.7095/9.07
=25.11

* 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.

Alnylam Pharmaceuticals's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

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

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=10.125/333.9520*333.9520
=10.125

Current CPI (Jun. 2026) = 333.9520.

Alnylam Pharmaceuticals Quarterly Data

Book Value per Share CPI Adj_Book
201609 11.834 241.428 16.369
201612 10.708 241.432 14.811
201703 9.654 243.801 13.224
201706 12.246 244.955 16.695
201709 11.463 246.819 15.510
201712 17.723 246.524 24.008
201803 17.466 249.554 23.373
201806 16.116 251.989 21.358
201809 14.639 252.439 19.366
201812 12.868 251.233 17.105
201903 14.539 254.202 19.100
201906 15.814 256.143 20.618
201909 14.436 256.759 18.776
201912 12.824 256.974 16.666
202003 11.927 258.115 15.431
202006 12.103 257.797 15.678
202009 10.461 260.280 13.422
202012 8.729 260.474 11.191
202103 7.894 264.877 9.953
202106 7.196 271.696 8.845
202109 6.327 274.310 7.703
202112 4.894 278.802 5.862
202203 3.323 287.504 3.860
202206 1.455 296.311 1.640
202209 -0.550 296.808 -0.619
202212 -1.277 296.797 -1.437
202303 -2.087 301.836 -2.309
202306 -3.268 305.109 -3.577
202309 -1.322 307.789 -1.434
202312 -1.754 306.746 -1.910
202403 -1.734 312.332 -1.854
202406 -0.024 314.175 -0.026
202409 0.251 315.301 0.266
202412 0.519 315.605 0.549
202503 0.886 319.799 0.925
202506 1.913 322.561 1.981
202509 1.775 324.800 1.825
202512 5.962 324.054 6.144
202603 8.059 330.213 8.150
202606 10.125 333.952 10.125

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 25.11 mean?
Alnylam Pharmaceuticals (LTS:0HD2) has a Cyclically Adjusted PB Ratio of 25.11 as of Aug. 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 Alnylam Pharmaceuticals and its competitors. This is 88% above median its historical median of 13.38. Over the past decade, Alnylam Pharmaceuticals' Cyclically Adjusted PB Ratio has ranged from 4.66 to 49.35. According to the industry distribution chart, Alnylam Pharmaceuticals ranks #659 out of 692 companies in the Biotechnology industry, placing it in the top 95.2%.
Is Alnylam Pharmaceuticals' Cyclically Adjusted PB Ratio too high?
Alnylam Pharmaceuticals' current Cyclically Adjusted PB Ratio of 25.11 is 88% above median its 10-year median of 13.38. Over the past 10 years, this metric has ranged from a low of 4.66 to a high of 49.35. The Biotechnology industry median Cyclically Adjusted PB Ratio is 1.62. Alnylam Pharmaceuticals' value of 25.11 is 1450% above this industry median. Based on the distribution chart, Alnylam Pharmaceuticals ranks #659 out of 692 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Alnylam Pharmaceuticals has a GF Score™ of 68/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Alnylam Pharmaceuticals' Cyclically Adjusted PB Ratio compare to ONC and RVMD?
According to the Biotechnology industry distribution chart, Alnylam Pharmaceuticals ranks #659 out of 692 companies for Cyclically Adjusted PB Ratio. This places Alnylam Pharmaceuticals in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.62. Alnylam Pharmaceuticals' value of 25.11 is 1450% above this benchmark. Historically, Alnylam Pharmaceuticals' own Cyclically Adjusted PB Ratio has ranged from 4.66 to 49.35 over the past decade. While the company's 10-year median is 13.38 vs. the industry median of 1.62, Alnylam Pharmaceuticals 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 Biotechnology company?
The median Cyclically Adjusted PB Ratio among Biotechnology companies is 1.62, based on 692 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. Alnylam Pharmaceuticals's current Cyclically Adjusted PB Ratio of 25.11 is 1450% 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 Alnylam Pharmaceuticals and its competitors. For the Biotechnology industry, the median Cyclically Adjusted PB Ratio is 1.62 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alnylam Pharmaceuticals's current Cyclically Adjusted PB Ratio is 25.11, which is 88% above median its own 10-year median of 13.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alnylam Pharmaceuticals stock overvalued right now?
Based on GuruFocus' analysis, Alnylam Pharmaceuticals (LTS:0HD2) is currently considered Significantly Undervalued. The stock's GF Value™ is $526.63, compared to a current price of $227.71 — trading 56.8% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 25.11, which is 88% above median its 10-year median of 13.38 and 1450% above the Biotechnology industry median of 1.62. Alnylam Pharmaceuticals' overall GF Score™ is 68/100 with 2 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 Alnylam Pharmaceuticals (LTS:0HD2), the current Cyclically Adjusted PB Ratio is 25.11 as of Aug. 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 Alnylam Pharmaceuticals (LTS:0HD2) Overvalued in 2026?

Based on GuruFocus' analysis, Alnylam Pharmaceuticals stock appears to be undervalued. The current stock price of $227.71 is trading 56.8% below its estimated GF Value™ of $526.63. GuruFocus considers Alnylam Pharmaceuticals to be Significantly Undervalued.

Key valuation signals for LTS:0HD2:

  • Cyclically Adjusted PB Ratio: 25.11 (88% above median its 10-year median of 13.38)
  • GF Value™: $526.63 vs. price of $227.71 (56.8% below fair value)
  • GF Score™: 68/100 with 2 warning signs
  • Industry Position: 1450% above the Biotechnology median (#659 of 692)

No single metric tells the full story. See the LTS:0HD2 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Alnylam Pharmaceuticals Business Description

Address 675 West Kendall Street, Henri A. Termeer Square, Cambridge, MA, USA, 02142
Alnylam Pharmaceuticals is a leader in the study of RNA interference (RNAi) therapeutics. RNAi is a naturally occurring biological pathway within cells for sequence-specific silencing and regulation of gene expression. Alnylam's commercial RNAi therapeutic products include Onpattro and Amvuttra (for hATTR amyloidosis), Givlaari (for acute hepatic porphyria), and Oxlumo (for primary hyperoxaluria type 1), all developed and commercialized by Alnylam. Plus, Leqvio (for hypercholesterolemia) and Qfitlia (for hemophilia A or B), which are being commercialized by Alnylam's partners, Novartis and Sanofi, respectively. It also has several clinical programs across various therapeutic areas, including cardio-metabolic diseases, neuroscience, and hematology.
68GF Score

Get the complete analysis for LTS:0HD2

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

$227.71
Price
$526.63
GF Value