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Side-by-side financial comparison of POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) and Protagonist Therapeutics, Inc (PTGX). 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 $170.6M, roughly 1.1× Protagonist Therapeutics, Inc). Protagonist Therapeutics, Inc runs the higher net margin — 77.2% vs 8.4%, a 68.8% gap on every dollar of revenue. On growth, Protagonist Therapeutics, Inc posted the faster year-over-year revenue change (184.4% vs 32.5%). Protagonist Therapeutics, Inc produced more free cash flow last quarter ($182.8M vs $-7.6M).

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.

Protagonist Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on discovering and developing novel peptide-based targeted therapies for unmet medical needs, primarily covering gastrointestinal disorders, inflammatory diseases and rare disease indications. Its lead product candidates target inflammatory bowel disease and other chronic immune-related conditions, with operations spanning global R&D and partnership collaborations.

PSIX vs PTGX — Head-to-Head

Bigger by revenue
PSIX
PSIX
1.1× larger
PSIX
$191.2M
$170.6M
PTGX
Growing faster (revenue YoY)
PTGX
PTGX
+151.9% gap
PTGX
184.4%
32.5%
PSIX
Higher net margin
PTGX
PTGX
68.8% more per $
PTGX
77.2%
8.4%
PSIX
More free cash flow
PTGX
PTGX
$190.4M more FCF
PTGX
$182.8M
$-7.6M
PSIX

Income Statement — Q4 FY2025 vs Q4 FY2024

Metric
PSIX
PSIX
PTGX
PTGX
Revenue
$191.2M
$170.6M
Net Profit
$16.1M
$131.7M
Gross Margin
21.9%
Operating Margin
12.7%
74.3%
Net Margin
8.4%
77.2%
Revenue YoY
32.5%
184.4%
Net Profit YoY
-31.0%
381.7%
EPS (diluted)
$0.69
$2.01

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
PSIX
PSIX
PTGX
PTGX
Q4 25
$191.2M
Q3 25
$203.8M
Q2 25
$191.9M
Q1 25
$135.4M
Q4 24
$144.3M
$170.6M
Q3 24
$125.8M
Q2 24
$110.6M
Q1 24
$95.2M
$255.0M
Net Profit
PSIX
PSIX
PTGX
PTGX
Q4 25
$16.1M
Q3 25
$27.6M
Q2 25
$51.2M
Q1 25
$19.1M
Q4 24
$23.3M
$131.7M
Q3 24
$17.3M
Q2 24
$21.5M
Q1 24
$7.1M
$207.3M
Gross Margin
PSIX
PSIX
PTGX
PTGX
Q4 25
21.9%
Q3 25
23.9%
Q2 25
28.2%
Q1 25
29.7%
Q4 24
29.9%
Q3 24
28.9%
Q2 24
31.8%
Q1 24
27.0%
Operating Margin
PSIX
PSIX
PTGX
PTGX
Q4 25
12.7%
Q3 25
13.9%
Q2 25
16.9%
Q1 25
18.2%
Q4 24
17.5%
74.3%
Q3 24
16.3%
Q2 24
22.9%
Q1 24
11.2%
80.9%
Net Margin
PSIX
PSIX
PTGX
PTGX
Q4 25
8.4%
Q3 25
13.5%
Q2 25
26.7%
Q1 25
14.1%
Q4 24
16.1%
77.2%
Q3 24
13.8%
Q2 24
19.5%
Q1 24
7.5%
81.3%
EPS (diluted)
PSIX
PSIX
PTGX
PTGX
Q4 25
$0.69
Q3 25
$1.20
Q2 25
$2.22
Q1 25
$0.83
Q4 24
$1.01
$2.01
Q3 24
$0.75
Q2 24
$0.94
Q1 24
$0.31
$3.26

Balance Sheet & Financial Strength

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

Metric
PSIX
PSIX
PTGX
PTGX
Cash + ST InvestmentsLiquidity on hand
$41.3M
$418.9M
Total DebtLower is stronger
$96.6M
Stockholders' EquityBook value
$178.6M
$675.3M
Total Assets
$424.7M
$744.7M
Debt / EquityLower = less leverage
0.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PSIX
PSIX
PTGX
PTGX
Q4 25
$41.3M
Q3 25
$49.0M
Q2 25
$49.5M
Q1 25
$50.0M
Q4 24
$55.3M
$418.9M
Q3 24
$40.5M
Q2 24
$28.8M
Q1 24
$33.1M
$322.6M
Total Debt
PSIX
PSIX
PTGX
PTGX
Q4 25
$96.6M
Q3 25
$96.7M
Q2 25
$1.8M
Q1 25
$1.0M
Q4 24
$184.0K
Q3 24
$238.0K
Q2 24
$292.0K
Q1 24
$345.0K
Stockholders' Equity
PSIX
PSIX
PTGX
PTGX
Q4 25
$178.6M
Q3 25
$162.5M
Q2 25
$135.7M
Q1 25
$84.3M
Q4 24
$65.3M
$675.3M
Q3 24
$42.1M
Q2 24
$24.8M
Q1 24
$3.2M
$560.4M
Total Assets
PSIX
PSIX
PTGX
PTGX
Q4 25
$424.7M
Q3 25
$458.9M
Q2 25
$437.7M
Q1 25
$372.7M
Q4 24
$328.2M
$744.7M
Q3 24
$339.1M
Q2 24
$307.6M
Q1 24
$286.8M
$629.3M
Debt / Equity
PSIX
PSIX
PTGX
PTGX
Q4 25
0.54×
Q3 25
0.60×
Q2 25
0.01×
Q1 25
0.01×
Q4 24
0.00×
Q3 24
0.01×
Q2 24
0.01×
Q1 24
0.11×

Cash Flow & Capital Efficiency

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

Metric
PSIX
PSIX
PTGX
PTGX
Operating Cash FlowLast quarter
$-4.6M
$184.2M
Free Cash FlowOCF − Capex
$-7.6M
$182.8M
FCF MarginFCF / Revenue
-4.0%
107.1%
Capex IntensityCapex / Revenue
1.6%
0.8%
Cash ConversionOCF / Net Profit
-0.29×
1.40×
TTM Free Cash FlowTrailing 4 quarters
$14.1M
$101.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PSIX
PSIX
PTGX
PTGX
Q4 25
$-4.6M
Q3 25
$3.3M
Q2 25
$16.7M
Q1 25
$8.8M
Q4 24
$32.7M
$184.2M
Q3 24
$12.6M
Q2 24
$1.5M
Q1 24
$15.6M
$-27.4M
Free Cash Flow
PSIX
PSIX
PTGX
PTGX
Q4 25
$-7.6M
Q3 25
$1.7M
Q2 25
$14.6M
Q1 25
$5.4M
Q4 24
$30.0M
$182.8M
Q3 24
$12.1M
Q2 24
$822.0K
Q1 24
$14.8M
$-27.7M
FCF Margin
PSIX
PSIX
PTGX
PTGX
Q4 25
-4.0%
Q3 25
0.8%
Q2 25
7.6%
Q1 25
4.0%
Q4 24
20.8%
107.1%
Q3 24
9.7%
Q2 24
0.7%
Q1 24
15.6%
-10.9%
Capex Intensity
PSIX
PSIX
PTGX
PTGX
Q4 25
1.6%
Q3 25
0.8%
Q2 25
1.1%
Q1 25
2.5%
Q4 24
1.8%
0.8%
Q3 24
0.3%
Q2 24
0.6%
Q1 24
0.9%
0.1%
Cash Conversion
PSIX
PSIX
PTGX
PTGX
Q4 25
-0.29×
Q3 25
0.12×
Q2 25
0.33×
Q1 25
0.46×
Q4 24
1.40×
1.40×
Q3 24
0.73×
Q2 24
0.07×
Q1 24
2.20×
-0.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PSIX
PSIX

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

PTGX
PTGX

Segment breakdown not available.

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