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

TIDEWATER INC is the larger business by last-quarter revenue ($336.8M vs $199.9M, roughly 1.7× Apellis Pharmaceuticals, Inc.). TIDEWATER INC runs the higher net margin — 65.3% vs -29.5%, a 94.8% gap on every dollar of revenue. On growth, TIDEWATER INC posted the faster year-over-year revenue change (-2.4% vs -5.9%). TIDEWATER INC produced more free cash flow last quarter ($147.8M vs $-14.3M). Over the past eight quarters, Apellis Pharmaceuticals, Inc.'s revenue compounded faster (7.7% CAGR vs 2.4%).

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.

Tidewater, Inc. is a publicly traded international petroleum service company headquartered in Houston, Texas, U.S. It operates a fleet of ships, primarily providing vessels and marine services to the offshore petroleum and offshore wind industries.

APLS vs TDW — Head-to-Head

Bigger by revenue
TDW
TDW
1.7× larger
TDW
$336.8M
$199.9M
APLS
Growing faster (revenue YoY)
TDW
TDW
+3.5% gap
TDW
-2.4%
-5.9%
APLS
Higher net margin
TDW
TDW
94.8% more per $
TDW
65.3%
-29.5%
APLS
More free cash flow
TDW
TDW
$162.1M more FCF
TDW
$147.8M
$-14.3M
APLS
Faster 2-yr revenue CAGR
APLS
APLS
Annualised
APLS
7.7%
2.4%
TDW

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
APLS
APLS
TDW
TDW
Revenue
$199.9M
$336.8M
Net Profit
$-59.0M
$219.9M
Gross Margin
Operating Margin
-25.6%
19.0%
Net Margin
-29.5%
65.3%
Revenue YoY
-5.9%
-2.4%
Net Profit YoY
-62.2%
495.8%
EPS (diluted)
$-0.40
$4.37

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
TDW
TDW
Q4 25
$199.9M
$336.8M
Q3 25
$458.6M
$341.1M
Q2 25
$178.5M
$341.4M
Q1 25
$166.8M
$333.4M
Q4 24
$212.5M
$345.1M
Q3 24
$196.8M
$340.4M
Q2 24
$199.7M
$339.2M
Q1 24
$172.3M
$321.2M
Net Profit
APLS
APLS
TDW
TDW
Q4 25
$-59.0M
$219.9M
Q3 25
$215.7M
$-806.0K
Q2 25
$-42.2M
$72.9M
Q1 25
$-92.2M
$42.7M
Q4 24
$-36.4M
$36.9M
Q3 24
$-57.4M
$46.4M
Q2 24
$-37.7M
$50.4M
Q1 24
$-66.4M
$47.0M
Operating Margin
APLS
APLS
TDW
TDW
Q4 25
-25.6%
19.0%
Q3 25
48.7%
18.4%
Q2 25
-18.6%
23.7%
Q1 25
-50.0%
22.5%
Q4 24
-12.3%
23.6%
Q3 24
-24.0%
20.6%
Q2 24
-14.7%
23.0%
Q1 24
-36.0%
25.5%
Net Margin
APLS
APLS
TDW
TDW
Q4 25
-29.5%
65.3%
Q3 25
47.0%
-0.2%
Q2 25
-23.6%
21.4%
Q1 25
-55.3%
12.8%
Q4 24
-17.1%
10.7%
Q3 24
-29.2%
13.6%
Q2 24
-18.9%
14.8%
Q1 24
-38.5%
14.6%
EPS (diluted)
APLS
APLS
TDW
TDW
Q4 25
$-0.40
$4.37
Q3 25
$1.67
$-0.02
Q2 25
$-0.33
$1.46
Q1 25
$-0.74
$0.83
Q4 24
$-0.30
$0.70
Q3 24
$-0.46
$0.87
Q2 24
$-0.30
$0.94
Q1 24
$-0.54
$0.89

Balance Sheet & Financial Strength

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

Metric
APLS
APLS
TDW
TDW
Cash + ST InvestmentsLiquidity on hand
$466.2M
$578.8M
Total DebtLower is stronger
$670.1M
Stockholders' EquityBook value
$370.1M
$1.4B
Total Assets
$1.1B
$2.4B
Debt / EquityLower = less leverage
0.49×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APLS
APLS
TDW
TDW
Q4 25
$466.2M
$578.8M
Q3 25
$479.2M
$428.2M
Q2 25
$370.0M
$369.4M
Q1 25
$358.4M
$341.8M
Q4 24
$411.3M
$324.9M
Q3 24
$396.9M
$280.8M
Q2 24
$360.1M
$315.9M
Q1 24
$325.9M
$280.9M
Total Debt
APLS
APLS
TDW
TDW
Q4 25
$670.1M
Q3 25
Q2 25
Q1 25
Q4 24
$647.9M
Q3 24
Q2 24
Q1 24
$93.1M
Stockholders' Equity
APLS
APLS
TDW
TDW
Q4 25
$370.1M
$1.4B
Q3 25
$401.2M
$1.1B
Q2 25
$156.3M
$1.1B
Q1 25
$164.2M
$1.1B
Q4 24
$228.5M
$1.1B
Q3 24
$237.1M
$1.1B
Q2 24
$264.3M
$1.1B
Q1 24
$266.7M
$1.1B
Total Assets
APLS
APLS
TDW
TDW
Q4 25
$1.1B
$2.4B
Q3 25
$1.1B
$2.1B
Q2 25
$821.4M
$2.1B
Q1 25
$807.3M
$2.1B
Q4 24
$885.1M
$2.1B
Q3 24
$901.9M
$2.0B
Q2 24
$904.5M
$2.1B
Q1 24
$831.9M
$2.1B
Debt / Equity
APLS
APLS
TDW
TDW
Q4 25
0.49×
Q3 25
Q2 25
Q1 25
Q4 24
0.58×
Q3 24
Q2 24
Q1 24
0.35×

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
TDW
TDW
Operating Cash FlowLast quarter
$-14.2M
$153.0M
Free Cash FlowOCF − Capex
$-14.3M
$147.8M
FCF MarginFCF / Revenue
-7.1%
43.9%
Capex IntensityCapex / Revenue
0.1%
1.5%
Cash ConversionOCF / Net Profit
0.70×
TTM Free Cash FlowTrailing 4 quarters
$45.0M
$353.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APLS
APLS
TDW
TDW
Q4 25
$-14.2M
$153.0M
Q3 25
$108.5M
$54.7M
Q2 25
$4.4M
$85.4M
Q1 25
$-53.4M
$86.0M
Q4 24
$19.4M
$100.0M
Q3 24
$34.1M
$49.0M
Q2 24
$-8.3M
$78.6M
Q1 24
$-133.0M
$54.8M
Free Cash Flow
APLS
APLS
TDW
TDW
Q4 25
$-14.3M
$147.8M
Q3 25
$108.3M
$49.6M
Q2 25
$4.4M
$80.2M
Q1 25
$-53.4M
$75.7M
Q4 24
$19.3M
$95.5M
Q3 24
$43.3M
Q2 24
$-8.4M
$72.3M
Q1 24
$-133.3M
$43.8M
FCF Margin
APLS
APLS
TDW
TDW
Q4 25
-7.1%
43.9%
Q3 25
23.6%
14.5%
Q2 25
2.5%
23.5%
Q1 25
-32.0%
22.7%
Q4 24
9.1%
27.7%
Q3 24
12.7%
Q2 24
-4.2%
21.3%
Q1 24
-77.3%
13.6%
Capex Intensity
APLS
APLS
TDW
TDW
Q4 25
0.1%
1.5%
Q3 25
0.0%
1.5%
Q2 25
0.0%
1.5%
Q1 25
0.0%
3.1%
Q4 24
0.0%
1.3%
Q3 24
0.0%
1.7%
Q2 24
0.0%
1.9%
Q1 24
0.2%
3.4%
Cash Conversion
APLS
APLS
TDW
TDW
Q4 25
0.70×
Q3 25
0.50×
Q2 25
1.17×
Q1 25
2.02×
Q4 24
2.71×
Q3 24
1.06×
Q2 24
1.56×
Q1 24
1.16×

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%

TDW
TDW

Segment breakdown not available.

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