CSL (CSLLY) YoY EPS Growth: -46.48% (As of Dec. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

CSLLY CSL Ltd CSLLY
73 GF Score
Price $20.00
GF Value $50.43
Valuation Significantly Undervalued
! 7 Warning Signs
View Full Analysis

What is CSL YoY EPS Growth?

CSL CSLLY -0.79% 73 YoY EPS Growth is -46.48% as of Dec. 2025. GuruFocus rates CSLLY with a GF Score™ of 73/100 and a GF Value™ of $50.43 (Significantly Undervalued). The stock has 7 warning signs investors should review.

YoY EPS Growth is the percentage change of Earnings per Share (Diluted) over the past twelve months. CSL's YoY EPS Growth for the quarter that ended in Dec. 2025 was -46.48%.

CSL's Earnings per Share (Diluted) for the six months ended in Dec. 2025 was $0.21.


CSL YoY EPS Growth Historical Data

* Premium members only.

The historical data trend for CSL's YoY EPS Growth 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.

CSL YoY EPS Growth Chart

CSL Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
YoY EPS Growth
Get a 7-Day Free Trial Premium Member Only Premium Member Only 12.91 -7.90 -5.58 20.30 13.21

CSL Semi-Annual Data
Dec15 Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Jun25 Dec25
YoY EPS Growth 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 22.08 16.67 30.72 -100.00 -46.48
CSLLY
73GF Score
CSL Ltd CSLLY
YoY EPS Growth is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

CSL YoY EPS Growth Calculation

YoY EPS Growth is the percentage change of Earnings per Share (Diluted) over the past twelve months.

CSL's YoY EPS Growth for the fiscal year that ended in Jun. 2025 is calculated as:

YoY EPS Growth (A: Jun. 2025 )
=(Earnings per Share (Diluted) (A: Jun. 2025 )-Earnings per Share (Diluted) (A: Jun. 2024 ))/ | Earnings per Share (Diluted) (A: Jun. 2024 ) |
=(1.543-1.363)/ | 1.363 |
=13.21 %

CSL's YoY EPS Growth for the quarter that ended in Dec. 2025 is calculated as:

YoY EPS Growth (Q: Dec. 2025 )
=(Earnings per Share (Diluted) (Q: Dec. 2025 )-Earnings per Share (Diluted) (Q: Jun. 2024 )) / | Earnings per Share (Diluted) (Q: Jun. 2024 )) |
=(0.205-0.383)/ | 0.383 |
=-46.48 %

* 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.

Frequently Asked Questions Learn more about YoY EPS Growth →
What does a YoY EPS Growth of -46.48% mean?
CSL (CSLLY) has a YoY EPS Growth of -46.48% as of Dec. 2025. YoY EPS Growth is the percentage change of EPS over the past 12-month. View historical data for CSL and its competitors.
Is CSL's YoY EPS Growth too high?
CSL's current YoY EPS Growth is -46.48%. Overall, CSL has a GF Score™ of 73/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does CSL's YoY EPS Growth compare to VRTX and REGN?
CSL's YoY EPS Growth of -46.48% can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good YoY EPS Growth for a Biotechnology company?
A good YoY EPS Growth depends on the Biotechnology industry context. However, YoY EPS Growth should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high YoY EPS Growth mean?
A high YoY EPS Growth can signal that a stock is expensive relative to its fundamentals. YoY EPS Growth is the percentage change of EPS over the past 12-month. View historical data for CSL and its competitors. CSL's current YoY EPS Growth is -46.48%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CSL stock overvalued right now?
Based on GuruFocus' analysis, CSL (CSLLY) is currently considered Significantly Undervalued. The stock's GF Value™ is $50.43, compared to a current price of $20.00 — trading 60.3% below its estimated fair value. The current YoY EPS Growth is -46.48%. CSL's overall GF Score™ is 73/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is YoY EPS Growth calculated?
YoY EPS Growth is calculated from a company's financial statements. For CSL (CSLLY), the current YoY EPS Growth is -46.48% as of Dec. 2025. 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 CSL (CSLLY) Overvalued in 2026?

Based on GuruFocus' analysis, CSL stock appears to be undervalued. The current stock price of $20.00 is trading 60.3% below its estimated GF Value™ of $50.43. GuruFocus considers CSL to be Significantly Undervalued.

Key valuation signals for CSLLY:

  • YoY EPS Growth: -46.48%
  • GF Value™: $50.43 vs. price of $20.00 (60.3% below fair value)
  • GF Score™: 73/100 with 7 warning signs

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


CSL Business Description

Address 655 Elizabeth Street, Melbourne, VIC, AUS, 3000
CSL is one of the largest global biotech companies and has three main segments. CSL Behring either uses plasma-derived proteins or recombinants to treat conditions including immunodeficiencies, bleeding disorders, and neurological indications. CSL Seqirus is the world's second-largest influenza vaccination business and was acquired in fiscal 2016. CSL Vifor is an iron deficiency and nephrology business and was acquired in fiscal 2023. CSL has a strong R&D track record, and the product portfolio and pipeline include nonplasma products as the firm continues to broaden its scope. Originally formed in Australia as a government-owned entity, CSL now earns roughly half its revenue in North America and a quarter in Europe.
73GF Score

Get the complete analysis for CSLLY

YoY EPS Growth is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$20.00
Price
$50.43
GF Value