ICON Public Limited Company (ICLR) Revenue History
Annual and quarterly revenue from 1998 to present
ICLR Revenue Over Time (1998–2025)
ICLR Revenue Growth History
25 of 27 years with positive growth- FY1998 revenue growth
- N/A
- FY1999 revenue growth
- +44.7%
- FY2000 revenue growth
- +43.8%
- FY2001 revenue growth
- +34.8%
- FY2002 revenue growth
- +44.2%
- FY2003 revenue growth
- +31.5%
- FY2004 revenue growth
- +10.0%
- FY2005 revenue growth
- +6.0%
- FY2006 revenue growth
- +31.6%
- FY2007 revenue growth
- +38.4%
- FY2008 revenue growth
- +37.2%
- FY2009 revenue growth
- +2.6%
- FY2010 revenue growth
- +1.4%
- FY2011 revenue growth
- +5.1%
- FY2012 revenue growth
- +17.9%
- FY2013 revenue growth
- +19.8%
- FY2014 revenue growth
- +12.5%
- FY2015 revenue growth
- +4.8%
- FY2016 revenue growth
- +5.8%
- FY2017 revenue growth
- +5.5%
- FY2018 revenue growth
- +47.6%
- FY2019 revenue growth
- +8.1%
- FY2020 revenue growth
- -0.3%
- FY2021 revenue growth
- +95.9%
- FY2022 revenue growth
- +41.2%
- FY2023 revenue growth
- +4.9%
- FY2024 revenue growth
- +2.0%
- FY2025 revenue growth
- -0.4%
| Quarter | Revenue | YoY |
|---|---|---|
| Q4 2025 | $2.11B | +3.5% |
| Q3 2025 | $2.04B | +0.6% |
| Q2 2025 | $2.02B | -4.8% |
| Q1 2025 | $2.00B | -4.3% |
| Q4 2024 | $2.04B | -1.2% |
| Q3 2024 | $2.03B | -1.2% |
| Q2 2024 | $2.12B | +4.9% |
| Q1 2024 | $2.09B | +5.7% |
Multi-year avg. share of annual revenue by fiscal quarter
Revenue Breakdown (FY 2012)
ICLR's revenue distribution by segment and geography for fiscal year 2012
By Product/Segment
By Geography
ICLR Revenue Analysis (1998–2025)
Current Revenue & Growth
As of June 22, 2026, ICON Public Limited Company (ICLR) generated trailing twelve-month (TTM) revenue of $8.17 billion, reflecting modest growth of +3.5% year-over-year. The most recent quarter (Q4 2025) recorded $2.11 billion in revenue, up 3.4% sequentially.
Historical Growth Trajectory
ICLR's 5-year compound annual growth rate (CAGR) stands at +24.2%, indicating outstanding long-term growth trajectory. The 3-year CAGR of +2.1% is below the 5-year average, signalling a growth deceleration in recent years. ICON Public Limited Company's highest annual revenue of $8.28 billion was recorded in 2024.
Revenue by Segment
ICLR's revenue is primarily driven by Clinical Research (92%), and Central Laboratory (8%). With over half of revenue concentrated in Clinical Research, the company has a focused business model while developing other growth vectors.
Peer Comparison
Compared to Healthcare sector peers — including CRL (+0.1% YoY), IQV (+7.3% YoY), and MEDP (+24.2% YoY) — ICLR has underperformed the peer group in revenue growth. Compare ICLR vs CRL →
ICLR Revenue vs Peers
Revenue metrics vs comparable public companies
| Company | TTM Revenue | YoY Growth | 5Y CAGR | Op. Margin | Compare |
|---|---|---|---|---|---|
| $8.2B | +3.5% | +24.2% | 12.3% | ||
| $4.0B | +0.1% | +6.5% | 12.6% | ||
| $16.3B | +7.3% | +7.5% | 14.0% | ||
| $2.5B | +24.2% | +22.3% | 21.1% | ||
| $1.1B | -3.2% | +4.4% | 6.6% | ||
| $14.0B | +7.3% | -0.0% | 10.9% |
ICLR Historical Revenue Data (1998–2025)
| Year | Revenue | YoY % | Gross Profit | Gross Margin | Op. Income | Op. Margin |
|---|---|---|---|---|---|---|
| 2025 | $8.25B | -0.4% | $2.18B | 26.4% | $1.01B | 12.3% |
| 2024 | $8.28B | +2.0% | $2.44B | 29.4% | $1.10B | 13.3% |
| 2023 | $8.12B | +4.9% | $2.40B | 29.6% | $956.2M | 11.8% |
| 2022 | $7.74B | +41.2% | $2.21B | 28.6% | $795.2M | 10.3% |
| 2021 | $5.48B | +95.9% | $1.51B | 27.5% | $378.5M | 6.9% |
| 2020 | $2.80B | -0.3% | $808.0M | 28.9% | $391.5M | 14.0% |
| 2019 | $2.81B | +8.1% | $831.7M | 29.6% | $433.4M | 15.4% |
| 2018 | $2.60B | +47.6% | $769.5M | 29.6% | $373.4M | 14.4% |
| 2017 | $1.76B | +5.5% | $727.0M | 41.3% | $338.3M | 19.2% |
| 2016 | $1.67B | +5.8% | $705.2M | 42.3% | $311.7M | 18.7% |
| 2015 | $1.57B | +4.8% | $666.0M | 42.3% | $281.5M | 17.9% |
| 2014 | $1.50B | +12.5% | $600.1M | 39.9% | $202.3M | 13.5% |
| 2013 | $1.34B | +19.8% | $490.6M | 36.7% | $121.2M | 9.1% |
| 2012 | $1.12B | +17.9% | $396.9M | 35.6% | $72.4M | 6.5% |
| 2011 | $945.7M | +5.1% | $333.8M | 35.3% | $39.3M | 4.2% |
Full Stock Analysis
Deep dive into ICLR consensus models and risk factors.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
28+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ICLR — Frequently Asked Questions
Quick answers to the most common questions about buying ICLR stock.
Is ICLR's revenue growth accelerating or slowing?
ICLR revenue growth is slowing. TTM revenue is $8.2B, up +3.5% year-over-year — below the 5-year CAGR of +24.2%. The deceleration suggests maturing end-markets or increased competition.
What is ICLR's revenue history from 1998 to 2026?
ICON Public Limited Company (ICLR) revenue history spans 1998 to 2026. TTM revenue as of 2026 is $8.2B, growing at +3.5% YoY. The 5-year CAGR is +24.2%. Complete annual and quarterly revenue figures are available on this page, including gross profit, operating income, and margin trends.
What is ICLR's long-term revenue growth rate (CAGR)?
ICON Public Limited Company's 5-year revenue CAGR of +24.2% reflects the variable nature of its business expansion. As of 2026, the current YoY growth rate of +3.5% is below this long-term average. CAGR is the most reliable measure of sustained revenue momentum for ICLR.
Why does ICLR's quarterly revenue fluctuate?
ICLR quarterly revenue can fluctuate significantly between periods. A quarter-over-quarter (QoQ) change does not always indicate a trend; comparing the same quarter year-over-year (YoY) is a more reliable signal for underlying growth. ICON Public Limited Company's revenue data from 1998 to 2026 shows full historical quarterly detail on this page.
How is ICLR's revenue distributed by segment?
ICLR reports revenue broken down by product line and geographic region. The segment breakdown on this page shows which business units contribute the most to total revenue as of the latest fiscal year. Concentration in a single segment above 50% indicates category dependence, while a diversified mix signals more resilient revenue streams.
How does ICLR's revenue compare to industry peers?
ICON Public Limited Company (ICLR) with TTM revenue of $8.2B and +3.5% YoY growth can be benchmarked against sector peers using the comparison table on this page. Revenue growth relative to peers indicates market share gains or losses. The peer section shows TTM revenue, YoY growth, and operating margin for direct comparisons.