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Side-by-side financial comparison of AXCELIS TECHNOLOGIES INC (ACLS) and ARDELYX, INC. (ARDX). Click either name above to swap in a different company.

AXCELIS TECHNOLOGIES INC is the larger business by last-quarter revenue ($238.3M vs $94.5M, roughly 2.5× ARDELYX, INC.). AXCELIS TECHNOLOGIES INC runs the higher net margin — 14.4% vs -39.8%, a 54.2% gap on every dollar of revenue. On growth, ARDELYX, INC. posted the faster year-over-year revenue change (27.5% vs -5.6%). Over the past eight quarters, ARDELYX, INC.'s revenue compounded faster (13.6% CAGR vs -2.8%).

Axcelis Technologies, Inc. is an American company engaging in the design, manufacture, and servicing of capital equipment for the semiconductor manufacturing industry worldwide. It produces ion implantation systems, including high and medium current implanters, and high energy implanters, and curing systems used in the fabrication of semiconductor chips. The company was incorporated in 1995 and is headquartered in Beverly, Massachusetts, United States.

Ardelyx, Inc. is a commercial-stage biopharmaceutical firm developing and commercializing innovative therapies for gastrointestinal, cardiorenal and metabolic diseases with high unmet medical needs. Its lead product is approved in the US for irritable bowel syndrome with constipation, and it holds a robust pipeline of early and late-stage drug candidates.

ACLS vs ARDX — Head-to-Head

Bigger by revenue
ACLS
ACLS
2.5× larger
ACLS
$238.3M
$94.5M
ARDX
Growing faster (revenue YoY)
ARDX
ARDX
+33.1% gap
ARDX
27.5%
-5.6%
ACLS
Higher net margin
ACLS
ACLS
54.2% more per $
ACLS
14.4%
-39.8%
ARDX
Faster 2-yr revenue CAGR
ARDX
ARDX
Annualised
ARDX
13.6%
-2.8%
ACLS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ACLS
ACLS
ARDX
ARDX
Revenue
$238.3M
$94.5M
Net Profit
$34.3M
$-37.6M
Gross Margin
47.0%
Operating Margin
15.2%
Net Margin
14.4%
-39.8%
Revenue YoY
-5.6%
27.5%
Net Profit YoY
-31.3%
EPS (diluted)
$1.11
$-0.15

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ACLS
ACLS
ARDX
ARDX
Q1 26
$94.5M
Q4 25
$238.3M
$125.2M
Q3 25
$213.6M
$110.3M
Q2 25
$194.5M
$97.7M
Q1 25
$192.6M
$74.1M
Q4 24
$252.4M
$116.1M
Q3 24
$256.6M
$98.2M
Q2 24
$256.5M
$73.2M
Net Profit
ACLS
ACLS
ARDX
ARDX
Q1 26
$-37.6M
Q4 25
$34.3M
$-407.0K
Q3 25
$26.0M
$-969.0K
Q2 25
$31.4M
$-19.1M
Q1 25
$28.6M
$-41.1M
Q4 24
$50.0M
$4.6M
Q3 24
$48.6M
$-809.0K
Q2 24
$50.9M
$-16.5M
Gross Margin
ACLS
ACLS
ARDX
ARDX
Q1 26
Q4 25
47.0%
91.3%
Q3 25
41.6%
96.4%
Q2 25
44.9%
87.3%
Q1 25
46.1%
83.4%
Q4 24
46.0%
84.3%
Q3 24
42.9%
84.0%
Q2 24
43.8%
87.1%
Operating Margin
ACLS
ACLS
ARDX
ARDX
Q1 26
Q4 25
15.2%
4.1%
Q3 25
11.7%
4.2%
Q2 25
14.9%
-14.7%
Q1 25
15.1%
-49.0%
Q4 24
21.6%
7.0%
Q3 24
18.3%
2.3%
Q2 24
20.6%
-18.6%
Net Margin
ACLS
ACLS
ARDX
ARDX
Q1 26
-39.8%
Q4 25
14.4%
-0.3%
Q3 25
12.2%
-0.9%
Q2 25
16.1%
-19.5%
Q1 25
14.8%
-55.5%
Q4 24
19.8%
4.0%
Q3 24
18.9%
-0.8%
Q2 24
19.8%
-22.5%
EPS (diluted)
ACLS
ACLS
ARDX
ARDX
Q1 26
$-0.15
Q4 25
$1.11
$-0.01
Q3 25
$0.83
$0.00
Q2 25
$0.98
$-0.08
Q1 25
$0.88
$-0.17
Q4 24
$1.54
$0.01
Q3 24
$1.49
$0.00
Q2 24
$1.55
$-0.07

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ACLS
ACLS
ARDX
ARDX
Cash + ST InvestmentsLiquidity on hand
$374.3M
$238.1M
Total DebtLower is stronger
$203.5M
Stockholders' EquityBook value
$1.0B
$148.6M
Total Assets
$1.4B
$504.5M
Debt / EquityLower = less leverage
1.37×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACLS
ACLS
ARDX
ARDX
Q1 26
$238.1M
Q4 25
$374.3M
$68.0M
Q3 25
$449.6M
$42.7M
Q2 25
$549.8M
$90.0M
Q1 25
$587.1M
$30.8M
Q4 24
$571.3M
$64.9M
Q3 24
$579.4M
$47.4M
Q2 24
$548.3M
$41.9M
Total Debt
ACLS
ACLS
ARDX
ARDX
Q1 26
$203.5M
Q4 25
$202.8M
Q3 25
$202.1M
Q2 25
$201.4M
Q1 25
$151.3M
Q4 24
$150.9M
Q3 24
$100.7M
Q2 24
$100.2M
Stockholders' Equity
ACLS
ACLS
ARDX
ARDX
Q1 26
$148.6M
Q4 25
$1.0B
$166.9M
Q3 25
$1.0B
$154.3M
Q2 25
$1.0B
$139.5M
Q1 25
$1.0B
$145.7M
Q4 24
$1.0B
$173.3M
Q3 24
$975.6M
$158.3M
Q2 24
$934.9M
$147.0M
Total Assets
ACLS
ACLS
ARDX
ARDX
Q1 26
$504.5M
Q4 25
$1.4B
$501.6M
Q3 25
$1.4B
$486.2M
Q2 25
$1.3B
$466.8M
Q1 25
$1.3B
$410.2M
Q4 24
$1.3B
$435.8M
Q3 24
$1.3B
$367.9M
Q2 24
$1.3B
$343.5M
Debt / Equity
ACLS
ACLS
ARDX
ARDX
Q1 26
1.37×
Q4 25
1.21×
Q3 25
1.31×
Q2 25
1.44×
Q1 25
1.04×
Q4 24
0.87×
Q3 24
0.64×
Q2 24
0.68×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ACLS
ACLS
ARDX
ARDX
Operating Cash FlowLast quarter
$-6.6M
Free Cash FlowOCF − Capex
$-8.9M
FCF MarginFCF / Revenue
-3.7%
Capex IntensityCapex / Revenue
1.0%
Cash ConversionOCF / Net Profit
-0.19×
TTM Free Cash FlowTrailing 4 quarters
$107.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACLS
ACLS
ARDX
ARDX
Q1 26
Q4 25
$-6.6M
$21.0M
Q3 25
$45.4M
$365.0K
Q2 25
$39.7M
$-25.3M
Q1 25
$39.8M
$-38.5M
Q4 24
$12.8M
$9.8M
Q3 24
$45.7M
$501.0K
Q2 24
$40.1M
$-19.4M
Free Cash Flow
ACLS
ACLS
ARDX
ARDX
Q1 26
Q4 25
$-8.9M
$20.6M
Q3 25
$43.3M
$209.0K
Q2 25
$37.7M
$-26.0M
Q1 25
$34.8M
$-38.8M
Q4 24
$8.1M
$9.2M
Q3 24
$41.8M
$364.0K
Q2 24
$38.1M
$-19.5M
FCF Margin
ACLS
ACLS
ARDX
ARDX
Q1 26
Q4 25
-3.7%
16.4%
Q3 25
20.3%
0.2%
Q2 25
19.4%
-26.6%
Q1 25
18.1%
-52.3%
Q4 24
3.2%
7.9%
Q3 24
16.3%
0.4%
Q2 24
14.8%
-26.7%
Capex Intensity
ACLS
ACLS
ARDX
ARDX
Q1 26
Q4 25
1.0%
0.3%
Q3 25
0.9%
0.1%
Q2 25
1.0%
0.7%
Q1 25
2.6%
0.4%
Q4 24
1.8%
0.5%
Q3 24
1.5%
0.1%
Q2 24
0.8%
0.2%
Cash Conversion
ACLS
ACLS
ARDX
ARDX
Q1 26
Q4 25
-0.19×
Q3 25
1.75×
Q2 25
1.27×
Q1 25
1.39×
Q4 24
0.26×
2.11×
Q3 24
0.94×
Q2 24
0.79×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ACLS
ACLS

Products$224.6M94%
Services$13.7M6%

ARDX
ARDX

IBSRELA$70.1M74%
XPHOZAH$23.3M25%
Non-cash royalty revenue related to the sale of future royalties$695.0K1%
Product supply revenue$354.0K0%

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