vs

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

Apellis Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($199.9M vs $191.2M, roughly 1.0× POWER SOLUTIONS INTERNATIONAL, INC.). POWER SOLUTIONS INTERNATIONAL, INC. runs the higher net margin — 8.4% vs -29.5%, a 37.9% gap on every dollar of revenue. On growth, POWER SOLUTIONS INTERNATIONAL, INC. posted the faster year-over-year revenue change (32.5% vs -5.9%). POWER SOLUTIONS INTERNATIONAL, INC. produced more free cash flow last quarter ($-7.6M vs $-14.3M). Over the past eight quarters, POWER SOLUTIONS INTERNATIONAL, INC.'s revenue compounded faster (41.7% CAGR vs 7.7%).

Apellis Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing targeted therapies that modulate the complement system to address serious unmet medical needs. Its core products target ophthalmic conditions like geographic atrophy secondary to age-related macular degeneration, as well as rare hematological and autoimmune disorders, with primary operations in the United States and European markets.

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.

APLS vs PSIX — Head-to-Head

Bigger by revenue
APLS
APLS
1.0× larger
APLS
$199.9M
$191.2M
PSIX
Growing faster (revenue YoY)
PSIX
PSIX
+38.5% gap
PSIX
32.5%
-5.9%
APLS
Higher net margin
PSIX
PSIX
37.9% more per $
PSIX
8.4%
-29.5%
APLS
More free cash flow
PSIX
PSIX
$6.7M more FCF
PSIX
$-7.6M
$-14.3M
APLS
Faster 2-yr revenue CAGR
PSIX
PSIX
Annualised
PSIX
41.7%
7.7%
APLS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
APLS
APLS
PSIX
PSIX
Revenue
$199.9M
$191.2M
Net Profit
$-59.0M
$16.1M
Gross Margin
21.9%
Operating Margin
-25.6%
12.7%
Net Margin
-29.5%
8.4%
Revenue YoY
-5.9%
32.5%
Net Profit YoY
-62.2%
-31.0%
EPS (diluted)
$-0.40
$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
APLS
APLS
PSIX
PSIX
Q4 25
$199.9M
$191.2M
Q3 25
$458.6M
$203.8M
Q2 25
$178.5M
$191.9M
Q1 25
$166.8M
$135.4M
Q4 24
$212.5M
$144.3M
Q3 24
$196.8M
$125.8M
Q2 24
$199.7M
$110.6M
Q1 24
$172.3M
$95.2M
Net Profit
APLS
APLS
PSIX
PSIX
Q4 25
$-59.0M
$16.1M
Q3 25
$215.7M
$27.6M
Q2 25
$-42.2M
$51.2M
Q1 25
$-92.2M
$19.1M
Q4 24
$-36.4M
$23.3M
Q3 24
$-57.4M
$17.3M
Q2 24
$-37.7M
$21.5M
Q1 24
$-66.4M
$7.1M
Gross Margin
APLS
APLS
PSIX
PSIX
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
APLS
APLS
PSIX
PSIX
Q4 25
-25.6%
12.7%
Q3 25
48.7%
13.9%
Q2 25
-18.6%
16.9%
Q1 25
-50.0%
18.2%
Q4 24
-12.3%
17.5%
Q3 24
-24.0%
16.3%
Q2 24
-14.7%
22.9%
Q1 24
-36.0%
11.2%
Net Margin
APLS
APLS
PSIX
PSIX
Q4 25
-29.5%
8.4%
Q3 25
47.0%
13.5%
Q2 25
-23.6%
26.7%
Q1 25
-55.3%
14.1%
Q4 24
-17.1%
16.1%
Q3 24
-29.2%
13.8%
Q2 24
-18.9%
19.5%
Q1 24
-38.5%
7.5%
EPS (diluted)
APLS
APLS
PSIX
PSIX
Q4 25
$-0.40
$0.69
Q3 25
$1.67
$1.20
Q2 25
$-0.33
$2.22
Q1 25
$-0.74
$0.83
Q4 24
$-0.30
$1.01
Q3 24
$-0.46
$0.75
Q2 24
$-0.30
$0.94
Q1 24
$-0.54
$0.31

Balance Sheet & Financial Strength

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

Metric
APLS
APLS
PSIX
PSIX
Cash + ST InvestmentsLiquidity on hand
$466.2M
$41.3M
Total DebtLower is stronger
$96.6M
Stockholders' EquityBook value
$370.1M
$178.6M
Total Assets
$1.1B
$424.7M
Debt / EquityLower = less leverage
0.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APLS
APLS
PSIX
PSIX
Q4 25
$466.2M
$41.3M
Q3 25
$479.2M
$49.0M
Q2 25
$370.0M
$49.5M
Q1 25
$358.4M
$50.0M
Q4 24
$411.3M
$55.3M
Q3 24
$396.9M
$40.5M
Q2 24
$360.1M
$28.8M
Q1 24
$325.9M
$33.1M
Total Debt
APLS
APLS
PSIX
PSIX
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
$93.1M
$345.0K
Stockholders' Equity
APLS
APLS
PSIX
PSIX
Q4 25
$370.1M
$178.6M
Q3 25
$401.2M
$162.5M
Q2 25
$156.3M
$135.7M
Q1 25
$164.2M
$84.3M
Q4 24
$228.5M
$65.3M
Q3 24
$237.1M
$42.1M
Q2 24
$264.3M
$24.8M
Q1 24
$266.7M
$3.2M
Total Assets
APLS
APLS
PSIX
PSIX
Q4 25
$1.1B
$424.7M
Q3 25
$1.1B
$458.9M
Q2 25
$821.4M
$437.7M
Q1 25
$807.3M
$372.7M
Q4 24
$885.1M
$328.2M
Q3 24
$901.9M
$339.1M
Q2 24
$904.5M
$307.6M
Q1 24
$831.9M
$286.8M
Debt / Equity
APLS
APLS
PSIX
PSIX
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
0.35×
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
APLS
APLS
PSIX
PSIX
Operating Cash FlowLast quarter
$-14.2M
$-4.6M
Free Cash FlowOCF − Capex
$-14.3M
$-7.6M
FCF MarginFCF / Revenue
-7.1%
-4.0%
Capex IntensityCapex / Revenue
0.1%
1.6%
Cash ConversionOCF / Net Profit
-0.29×
TTM Free Cash FlowTrailing 4 quarters
$45.0M
$14.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APLS
APLS
PSIX
PSIX
Q4 25
$-14.2M
$-4.6M
Q3 25
$108.5M
$3.3M
Q2 25
$4.4M
$16.7M
Q1 25
$-53.4M
$8.8M
Q4 24
$19.4M
$32.7M
Q3 24
$34.1M
$12.6M
Q2 24
$-8.3M
$1.5M
Q1 24
$-133.0M
$15.6M
Free Cash Flow
APLS
APLS
PSIX
PSIX
Q4 25
$-14.3M
$-7.6M
Q3 25
$108.3M
$1.7M
Q2 25
$4.4M
$14.6M
Q1 25
$-53.4M
$5.4M
Q4 24
$19.3M
$30.0M
Q3 24
$12.1M
Q2 24
$-8.4M
$822.0K
Q1 24
$-133.3M
$14.8M
FCF Margin
APLS
APLS
PSIX
PSIX
Q4 25
-7.1%
-4.0%
Q3 25
23.6%
0.8%
Q2 25
2.5%
7.6%
Q1 25
-32.0%
4.0%
Q4 24
9.1%
20.8%
Q3 24
9.7%
Q2 24
-4.2%
0.7%
Q1 24
-77.3%
15.6%
Capex Intensity
APLS
APLS
PSIX
PSIX
Q4 25
0.1%
1.6%
Q3 25
0.0%
0.8%
Q2 25
0.0%
1.1%
Q1 25
0.0%
2.5%
Q4 24
0.0%
1.8%
Q3 24
0.0%
0.3%
Q2 24
0.0%
0.6%
Q1 24
0.2%
0.9%
Cash Conversion
APLS
APLS
PSIX
PSIX
Q4 25
-0.29×
Q3 25
0.50×
0.12×
Q2 25
0.33×
Q1 25
0.46×
Q4 24
1.40×
Q3 24
0.73×
Q2 24
0.07×
Q1 24
2.20×

Financial Flow Comparison

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

Revenue Breakdown by Segment

APLS
APLS

Syfovre$155.2M78%
Empaveli Pegcetacoplan$35.1M18%
Licensing And Other Revenue$9.6M5%

PSIX
PSIX

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

Related Comparisons