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Side-by-side financial comparison of ARDELYX, INC. (ARDX) and POWER SOLUTIONS INTERNATIONAL, INC. (PSIX). Click either name above to swap in a different company.

POWER SOLUTIONS INTERNATIONAL, INC. is the larger business by last-quarter revenue ($191.2M vs $94.5M, roughly 2.0× ARDELYX, INC.). POWER SOLUTIONS INTERNATIONAL, INC. runs the higher net margin — 8.4% vs -39.8%, a 48.2% gap on every dollar of revenue. On growth, POWER SOLUTIONS INTERNATIONAL, INC. posted the faster year-over-year revenue change (32.5% vs 27.5%). Over the past eight quarters, POWER SOLUTIONS INTERNATIONAL, INC.'s revenue compounded faster (41.7% CAGR vs 13.6%).

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.

Adani Energy Solutions Ltd, formerly known as Adani Transmission Ltd, is an electric power transmission and distribution company headquartered in Ahmedabad. As of April 2025, the company operates a cumulative transmission network of 26,696 circuit kilometers and is one of the largest private sector power transmission companies operating in India.

ARDX vs PSIX — Head-to-Head

Bigger by revenue
PSIX
PSIX
2.0× larger
PSIX
$191.2M
$94.5M
ARDX
Growing faster (revenue YoY)
PSIX
PSIX
+5.0% gap
PSIX
32.5%
27.5%
ARDX
Higher net margin
PSIX
PSIX
48.2% more per $
PSIX
8.4%
-39.8%
ARDX
Faster 2-yr revenue CAGR
PSIX
PSIX
Annualised
PSIX
41.7%
13.6%
ARDX

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ARDX
ARDX
PSIX
PSIX
Revenue
$94.5M
$191.2M
Net Profit
$-37.6M
$16.1M
Gross Margin
21.9%
Operating Margin
12.7%
Net Margin
-39.8%
8.4%
Revenue YoY
27.5%
32.5%
Net Profit YoY
-31.0%
EPS (diluted)
$-0.15
$0.69

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
ARDX
ARDX
PSIX
PSIX
Q1 26
$94.5M
Q4 25
$125.2M
$191.2M
Q3 25
$110.3M
$203.8M
Q2 25
$97.7M
$191.9M
Q1 25
$74.1M
$135.4M
Q4 24
$116.1M
$144.3M
Q3 24
$98.2M
$125.8M
Q2 24
$73.2M
$110.6M
Net Profit
ARDX
ARDX
PSIX
PSIX
Q1 26
$-37.6M
Q4 25
$-407.0K
$16.1M
Q3 25
$-969.0K
$27.6M
Q2 25
$-19.1M
$51.2M
Q1 25
$-41.1M
$19.1M
Q4 24
$4.6M
$23.3M
Q3 24
$-809.0K
$17.3M
Q2 24
$-16.5M
$21.5M
Gross Margin
ARDX
ARDX
PSIX
PSIX
Q1 26
Q4 25
91.3%
21.9%
Q3 25
96.4%
23.9%
Q2 25
87.3%
28.2%
Q1 25
83.4%
29.7%
Q4 24
84.3%
29.9%
Q3 24
84.0%
28.9%
Q2 24
87.1%
31.8%
Operating Margin
ARDX
ARDX
PSIX
PSIX
Q1 26
Q4 25
4.1%
12.7%
Q3 25
4.2%
13.9%
Q2 25
-14.7%
16.9%
Q1 25
-49.0%
18.2%
Q4 24
7.0%
17.5%
Q3 24
2.3%
16.3%
Q2 24
-18.6%
22.9%
Net Margin
ARDX
ARDX
PSIX
PSIX
Q1 26
-39.8%
Q4 25
-0.3%
8.4%
Q3 25
-0.9%
13.5%
Q2 25
-19.5%
26.7%
Q1 25
-55.5%
14.1%
Q4 24
4.0%
16.1%
Q3 24
-0.8%
13.8%
Q2 24
-22.5%
19.5%
EPS (diluted)
ARDX
ARDX
PSIX
PSIX
Q1 26
$-0.15
Q4 25
$-0.01
$0.69
Q3 25
$0.00
$1.20
Q2 25
$-0.08
$2.22
Q1 25
$-0.17
$0.83
Q4 24
$0.01
$1.01
Q3 24
$0.00
$0.75
Q2 24
$-0.07
$0.94

Balance Sheet & Financial Strength

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

Metric
ARDX
ARDX
PSIX
PSIX
Cash + ST InvestmentsLiquidity on hand
$238.1M
$41.3M
Total DebtLower is stronger
$203.5M
$96.6M
Stockholders' EquityBook value
$148.6M
$178.6M
Total Assets
$504.5M
$424.7M
Debt / EquityLower = less leverage
1.37×
0.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARDX
ARDX
PSIX
PSIX
Q1 26
$238.1M
Q4 25
$68.0M
$41.3M
Q3 25
$42.7M
$49.0M
Q2 25
$90.0M
$49.5M
Q1 25
$30.8M
$50.0M
Q4 24
$64.9M
$55.3M
Q3 24
$47.4M
$40.5M
Q2 24
$41.9M
$28.8M
Total Debt
ARDX
ARDX
PSIX
PSIX
Q1 26
$203.5M
Q4 25
$202.8M
$96.6M
Q3 25
$202.1M
$96.7M
Q2 25
$201.4M
$1.8M
Q1 25
$151.3M
$1.0M
Q4 24
$150.9M
$184.0K
Q3 24
$100.7M
$238.0K
Q2 24
$100.2M
$292.0K
Stockholders' Equity
ARDX
ARDX
PSIX
PSIX
Q1 26
$148.6M
Q4 25
$166.9M
$178.6M
Q3 25
$154.3M
$162.5M
Q2 25
$139.5M
$135.7M
Q1 25
$145.7M
$84.3M
Q4 24
$173.3M
$65.3M
Q3 24
$158.3M
$42.1M
Q2 24
$147.0M
$24.8M
Total Assets
ARDX
ARDX
PSIX
PSIX
Q1 26
$504.5M
Q4 25
$501.6M
$424.7M
Q3 25
$486.2M
$458.9M
Q2 25
$466.8M
$437.7M
Q1 25
$410.2M
$372.7M
Q4 24
$435.8M
$328.2M
Q3 24
$367.9M
$339.1M
Q2 24
$343.5M
$307.6M
Debt / Equity
ARDX
ARDX
PSIX
PSIX
Q1 26
1.37×
Q4 25
1.21×
0.54×
Q3 25
1.31×
0.60×
Q2 25
1.44×
0.01×
Q1 25
1.04×
0.01×
Q4 24
0.87×
0.00×
Q3 24
0.64×
0.01×
Q2 24
0.68×
0.01×

Cash Flow & Capital Efficiency

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

Metric
ARDX
ARDX
PSIX
PSIX
Operating Cash FlowLast quarter
$-4.6M
Free Cash FlowOCF − Capex
$-7.6M
FCF MarginFCF / Revenue
-4.0%
Capex IntensityCapex / Revenue
1.6%
Cash ConversionOCF / Net Profit
-0.29×
TTM Free Cash FlowTrailing 4 quarters
$14.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARDX
ARDX
PSIX
PSIX
Q1 26
Q4 25
$21.0M
$-4.6M
Q3 25
$365.0K
$3.3M
Q2 25
$-25.3M
$16.7M
Q1 25
$-38.5M
$8.8M
Q4 24
$9.8M
$32.7M
Q3 24
$501.0K
$12.6M
Q2 24
$-19.4M
$1.5M
Free Cash Flow
ARDX
ARDX
PSIX
PSIX
Q1 26
Q4 25
$20.6M
$-7.6M
Q3 25
$209.0K
$1.7M
Q2 25
$-26.0M
$14.6M
Q1 25
$-38.8M
$5.4M
Q4 24
$9.2M
$30.0M
Q3 24
$364.0K
$12.1M
Q2 24
$-19.5M
$822.0K
FCF Margin
ARDX
ARDX
PSIX
PSIX
Q1 26
Q4 25
16.4%
-4.0%
Q3 25
0.2%
0.8%
Q2 25
-26.6%
7.6%
Q1 25
-52.3%
4.0%
Q4 24
7.9%
20.8%
Q3 24
0.4%
9.7%
Q2 24
-26.7%
0.7%
Capex Intensity
ARDX
ARDX
PSIX
PSIX
Q1 26
Q4 25
0.3%
1.6%
Q3 25
0.1%
0.8%
Q2 25
0.7%
1.1%
Q1 25
0.4%
2.5%
Q4 24
0.5%
1.8%
Q3 24
0.1%
0.3%
Q2 24
0.2%
0.6%
Cash Conversion
ARDX
ARDX
PSIX
PSIX
Q1 26
Q4 25
-0.29×
Q3 25
0.12×
Q2 25
0.33×
Q1 25
0.46×
Q4 24
2.11×
1.40×
Q3 24
0.73×
Q2 24
0.07×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

PSIX
PSIX

Energy End Market$153.4M80%
Industrial End Market$33.3M17%
Transportation End Market$4.6M2%

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