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

HELIX ENERGY SOLUTIONS GROUP INC is the larger business by last-quarter revenue ($287.9M vs $199.9M, roughly 1.4× Apellis Pharmaceuticals, Inc.). HELIX ENERGY SOLUTIONS GROUP INC runs the higher net margin — -4.7% vs -29.5%, a 24.8% gap on every dollar of revenue. On growth, Apellis Pharmaceuticals, Inc. posted the faster year-over-year revenue change (-5.9% vs -13.8%). HELIX ENERGY SOLUTIONS GROUP INC produced more free cash flow last quarter ($59.0M vs $-14.3M). Over the past eight quarters, Apellis Pharmaceuticals, Inc.'s revenue compounded faster (7.7% CAGR vs -11.2%).

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.

Helix Energy Solutions Inc., known as Cal Dive International prior to 2006, is an American oil and gas services company headquartered in Houston, Texas. The company is a global provider of offshore services in well intervention and ROV operations of new and existing oil and gas fields.

APLS vs HLX — Head-to-Head

Bigger by revenue
HLX
HLX
1.4× larger
HLX
$287.9M
$199.9M
APLS
Growing faster (revenue YoY)
APLS
APLS
+7.9% gap
APLS
-5.9%
-13.8%
HLX
Higher net margin
HLX
HLX
24.8% more per $
HLX
-4.7%
-29.5%
APLS
More free cash flow
HLX
HLX
$73.3M more FCF
HLX
$59.0M
$-14.3M
APLS
Faster 2-yr revenue CAGR
APLS
APLS
Annualised
APLS
7.7%
-11.2%
HLX

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
APLS
APLS
HLX
HLX
Revenue
$199.9M
$287.9M
Net Profit
$-59.0M
$-13.4M
Gross Margin
3.1%
Operating Margin
-25.6%
Net Margin
-29.5%
-4.7%
Revenue YoY
-5.9%
-13.8%
Net Profit YoY
-62.2%
-536.4%
EPS (diluted)
$-0.40
$-0.09

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
HLX
HLX
Q1 26
$287.9M
Q4 25
$199.9M
$334.2M
Q3 25
$458.6M
$377.0M
Q2 25
$178.5M
$302.3M
Q1 25
$166.8M
$278.1M
Q4 24
$212.5M
$355.1M
Q3 24
$196.8M
$342.4M
Q2 24
$199.7M
$364.8M
Net Profit
APLS
APLS
HLX
HLX
Q1 26
$-13.4M
Q4 25
$-59.0M
$8.3M
Q3 25
$215.7M
$22.1M
Q2 25
$-42.2M
$-2.6M
Q1 25
$-92.2M
$3.1M
Q4 24
$-36.4M
$20.1M
Q3 24
$-57.4M
$29.5M
Q2 24
$-37.7M
$32.3M
Gross Margin
APLS
APLS
HLX
HLX
Q1 26
3.1%
Q4 25
15.2%
Q3 25
17.5%
Q2 25
4.9%
Q1 25
9.9%
Q4 24
16.6%
Q3 24
19.2%
Q2 24
20.7%
Operating Margin
APLS
APLS
HLX
HLX
Q1 26
Q4 25
-25.6%
3.7%
Q3 25
48.7%
12.7%
Q2 25
-18.6%
-1.0%
Q1 25
-50.0%
2.9%
Q4 24
-12.3%
8.7%
Q3 24
-24.0%
13.0%
Q2 24
-14.7%
14.6%
Net Margin
APLS
APLS
HLX
HLX
Q1 26
-4.7%
Q4 25
-29.5%
2.5%
Q3 25
47.0%
5.9%
Q2 25
-23.6%
-0.9%
Q1 25
-55.3%
1.1%
Q4 24
-17.1%
5.7%
Q3 24
-29.2%
8.6%
Q2 24
-18.9%
8.9%
EPS (diluted)
APLS
APLS
HLX
HLX
Q1 26
$-0.09
Q4 25
$-0.40
$0.06
Q3 25
$1.67
$0.15
Q2 25
$-0.33
$-0.02
Q1 25
$-0.74
$0.02
Q4 24
$-0.30
$0.13
Q3 24
$-0.46
$0.19
Q2 24
$-0.30
$0.21

Balance Sheet & Financial Strength

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

Metric
APLS
APLS
HLX
HLX
Cash + ST InvestmentsLiquidity on hand
$466.2M
$501.3M
Total DebtLower is stronger
$303.8M
Stockholders' EquityBook value
$370.1M
$1.6B
Total Assets
$1.1B
$2.6B
Debt / EquityLower = less leverage
0.20×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APLS
APLS
HLX
HLX
Q1 26
$501.3M
Q4 25
$466.2M
$445.2M
Q3 25
$479.2M
$338.0M
Q2 25
$370.0M
$319.7M
Q1 25
$358.4M
$370.0M
Q4 24
$411.3M
$368.0M
Q3 24
$396.9M
$324.1M
Q2 24
$360.1M
$275.1M
Total Debt
APLS
APLS
HLX
HLX
Q1 26
$303.8M
Q4 25
$308.0M
Q3 25
$307.5M
Q2 25
$311.6M
Q1 25
$311.1M
Q4 24
$315.2M
Q3 24
$314.7M
Q2 24
$318.6M
Stockholders' Equity
APLS
APLS
HLX
HLX
Q1 26
$1.6B
Q4 25
$370.1M
$1.6B
Q3 25
$401.2M
$1.6B
Q2 25
$156.3M
$1.6B
Q1 25
$164.2M
$1.5B
Q4 24
$228.5M
$1.5B
Q3 24
$237.1M
$1.6B
Q2 24
$264.3M
$1.5B
Total Assets
APLS
APLS
HLX
HLX
Q1 26
$2.6B
Q4 25
$1.1B
$2.6B
Q3 25
$1.1B
$2.6B
Q2 25
$821.4M
$2.7B
Q1 25
$807.3M
$2.6B
Q4 24
$885.1M
$2.6B
Q3 24
$901.9M
$2.7B
Q2 24
$904.5M
$2.6B
Debt / Equity
APLS
APLS
HLX
HLX
Q1 26
0.20×
Q4 25
0.19×
Q3 25
0.20×
Q2 25
0.20×
Q1 25
0.20×
Q4 24
0.21×
Q3 24
0.20×
Q2 24
0.21×

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
HLX
HLX
Operating Cash FlowLast quarter
$-14.2M
$61.8M
Free Cash FlowOCF − Capex
$-14.3M
$59.0M
FCF MarginFCF / Revenue
-7.1%
20.5%
Capex IntensityCapex / Revenue
0.1%
1.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$45.0M
$167.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APLS
APLS
HLX
HLX
Q1 26
$61.8M
Q4 25
$-14.2M
$113.2M
Q3 25
$108.5M
$24.3M
Q2 25
$4.4M
$-17.1M
Q1 25
$-53.4M
$16.4M
Q4 24
$19.4M
$78.0M
Q3 24
$34.1M
$55.7M
Q2 24
$-8.3M
$-12.2M
Free Cash Flow
APLS
APLS
HLX
HLX
Q1 26
$59.0M
Q4 25
$-14.3M
$107.5M
Q3 25
$108.3M
$22.6M
Q2 25
$4.4M
$-21.6M
Q1 25
$-53.4M
$12.0M
Q4 24
$19.3M
$65.5M
Q3 24
$52.5M
Q2 24
$-8.4M
$-16.2M
FCF Margin
APLS
APLS
HLX
HLX
Q1 26
20.5%
Q4 25
-7.1%
32.2%
Q3 25
23.6%
6.0%
Q2 25
2.5%
-7.1%
Q1 25
-32.0%
4.3%
Q4 24
9.1%
18.4%
Q3 24
15.3%
Q2 24
-4.2%
-4.4%
Capex Intensity
APLS
APLS
HLX
HLX
Q1 26
1.0%
Q4 25
0.1%
1.7%
Q3 25
0.0%
0.4%
Q2 25
0.0%
1.5%
Q1 25
0.0%
1.6%
Q4 24
0.0%
3.5%
Q3 24
0.0%
0.9%
Q2 24
0.0%
1.1%
Cash Conversion
APLS
APLS
HLX
HLX
Q1 26
Q4 25
13.68×
Q3 25
0.50×
1.10×
Q2 25
Q1 25
5.35×
Q4 24
3.88×
Q3 24
1.89×
Q2 24
-0.38×

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%

HLX
HLX

Segment breakdown not available.

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