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

Apellis Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($199.9M vs $199.4M, roughly 1.0× Ecovyst Inc.). On growth, Ecovyst Inc. posted the faster year-over-year revenue change (34.0% vs -5.9%). Ecovyst Inc. produced more free cash flow last quarter ($22.9M vs $-14.3M). Over the past eight quarters, Ecovyst Inc.'s revenue compounded faster (18.7% 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.

Ecovyst Inc. is a global sustainable specialty materials provider that develops and manufactures high-performance catalysts and functional additives. Its offerings serve key segments including industrial manufacturing, consumer goods, and environmental protection, helping clients improve operational efficiency and lower carbon emissions across North America, Europe, and Asia-Pacific markets.

APLS vs ECVT — Head-to-Head

Bigger by revenue
APLS
APLS
1.0× larger
APLS
$199.9M
$199.4M
ECVT
Growing faster (revenue YoY)
ECVT
ECVT
+39.9% gap
ECVT
34.0%
-5.9%
APLS
More free cash flow
ECVT
ECVT
$37.2M more FCF
ECVT
$22.9M
$-14.3M
APLS
Faster 2-yr revenue CAGR
ECVT
ECVT
Annualised
ECVT
18.7%
7.7%
APLS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
APLS
APLS
ECVT
ECVT
Revenue
$199.9M
$199.4M
Net Profit
$-59.0M
Gross Margin
23.4%
Operating Margin
-25.6%
10.9%
Net Margin
-29.5%
Revenue YoY
-5.9%
34.0%
Net Profit YoY
-62.2%
EPS (diluted)
$-0.40
$0.06

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
ECVT
ECVT
Q4 25
$199.9M
$199.4M
Q3 25
$458.6M
$204.9M
Q2 25
$178.5M
$176.1M
Q1 25
$166.8M
$143.1M
Q4 24
$212.5M
$148.9M
Q3 24
$196.8M
$153.9M
Q2 24
$199.7M
$154.0M
Q1 24
$172.3M
$141.6M
Net Profit
APLS
APLS
ECVT
ECVT
Q4 25
$-59.0M
Q3 25
$215.7M
$-79.3M
Q2 25
$-42.2M
$6.0M
Q1 25
$-92.2M
$-3.6M
Q4 24
$-36.4M
Q3 24
$-57.4M
$14.3M
Q2 24
$-37.7M
$8.3M
Q1 24
$-66.4M
$1.2M
Gross Margin
APLS
APLS
ECVT
ECVT
Q4 25
23.4%
Q3 25
25.4%
Q2 25
22.8%
Q1 25
13.3%
Q4 24
28.9%
Q3 24
29.3%
Q2 24
27.3%
Q1 24
23.5%
Operating Margin
APLS
APLS
ECVT
ECVT
Q4 25
-25.6%
10.9%
Q3 25
48.7%
13.8%
Q2 25
-18.6%
9.0%
Q1 25
-50.0%
-0.7%
Q4 24
-12.3%
15.1%
Q3 24
-24.0%
17.9%
Q2 24
-14.7%
14.1%
Q1 24
-36.0%
9.5%
Net Margin
APLS
APLS
ECVT
ECVT
Q4 25
-29.5%
Q3 25
47.0%
-38.7%
Q2 25
-23.6%
3.4%
Q1 25
-55.3%
-2.5%
Q4 24
-17.1%
Q3 24
-29.2%
9.3%
Q2 24
-18.9%
5.4%
Q1 24
-38.5%
0.9%
EPS (diluted)
APLS
APLS
ECVT
ECVT
Q4 25
$-0.40
$0.06
Q3 25
$1.67
$-0.69
Q2 25
$-0.33
$0.05
Q1 25
$-0.74
$-0.03
Q4 24
$-0.30
$-0.26
Q3 24
$-0.46
$0.12
Q2 24
$-0.30
$0.07
Q1 24
$-0.54
$0.01

Balance Sheet & Financial Strength

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

Metric
APLS
APLS
ECVT
ECVT
Cash + ST InvestmentsLiquidity on hand
$466.2M
$197.2M
Total DebtLower is stronger
$392.6M
Stockholders' EquityBook value
$370.1M
$603.4M
Total Assets
$1.1B
$1.3B
Debt / EquityLower = less leverage
0.65×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APLS
APLS
ECVT
ECVT
Q4 25
$466.2M
$197.2M
Q3 25
$479.2M
$82.0M
Q2 25
$370.0M
$69.6M
Q1 25
$358.4M
$127.5M
Q4 24
$411.3M
$131.4M
Q3 24
$396.9M
$123.5M
Q2 24
$360.1M
$83.3M
Q1 24
$325.9M
$103.1M
Total Debt
APLS
APLS
ECVT
ECVT
Q4 25
$392.6M
Q3 25
$854.8M
Q2 25
$856.6M
Q1 25
$859.0M
Q4 24
$860.8M
Q3 24
$862.7M
Q2 24
$862.4M
Q1 24
$93.1M
$866.2M
Stockholders' Equity
APLS
APLS
ECVT
ECVT
Q4 25
$370.1M
$603.4M
Q3 25
$401.2M
$607.9M
Q2 25
$156.3M
$692.4M
Q1 25
$164.2M
$698.7M
Q4 24
$228.5M
$700.5M
Q3 24
$237.1M
$729.4M
Q2 24
$264.3M
$717.3M
Q1 24
$266.7M
$711.4M
Total Assets
APLS
APLS
ECVT
ECVT
Q4 25
$1.1B
$1.3B
Q3 25
$1.1B
$1.7B
Q2 25
$821.4M
$1.8B
Q1 25
$807.3M
$1.8B
Q4 24
$885.1M
$1.8B
Q3 24
$901.9M
$1.8B
Q2 24
$904.5M
$1.8B
Q1 24
$831.9M
$1.8B
Debt / Equity
APLS
APLS
ECVT
ECVT
Q4 25
0.65×
Q3 25
1.41×
Q2 25
1.24×
Q1 25
1.23×
Q4 24
1.23×
Q3 24
1.18×
Q2 24
1.20×
Q1 24
0.35×
1.22×

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
ECVT
ECVT
Operating Cash FlowLast quarter
$-14.2M
$41.8M
Free Cash FlowOCF − Capex
$-14.3M
$22.9M
FCF MarginFCF / Revenue
-7.1%
11.5%
Capex IntensityCapex / Revenue
0.1%
9.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$45.0M
$69.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APLS
APLS
ECVT
ECVT
Q4 25
$-14.2M
$41.8M
Q3 25
$108.5M
$55.3M
Q2 25
$4.4M
$33.0M
Q1 25
$-53.4M
$10.3M
Q4 24
$19.4M
$43.5M
Q3 24
$34.1M
$59.9M
Q2 24
$-8.3M
$10.0M
Q1 24
$-133.0M
$36.5M
Free Cash Flow
APLS
APLS
ECVT
ECVT
Q4 25
$-14.3M
$22.9M
Q3 25
$108.3M
$53.2M
Q2 25
$4.4M
$7.8M
Q1 25
$-53.4M
$-14.0M
Q4 24
$19.3M
$30.9M
Q3 24
$53.6M
Q2 24
$-8.4M
$-9.3M
Q1 24
$-133.3M
$19.1M
FCF Margin
APLS
APLS
ECVT
ECVT
Q4 25
-7.1%
11.5%
Q3 25
23.6%
26.0%
Q2 25
2.5%
4.4%
Q1 25
-32.0%
-9.8%
Q4 24
9.1%
20.7%
Q3 24
34.9%
Q2 24
-4.2%
-6.1%
Q1 24
-77.3%
13.5%
Capex Intensity
APLS
APLS
ECVT
ECVT
Q4 25
0.1%
9.4%
Q3 25
0.0%
1.0%
Q2 25
0.0%
14.4%
Q1 25
0.0%
16.9%
Q4 24
0.0%
8.5%
Q3 24
0.0%
4.1%
Q2 24
0.0%
12.5%
Q1 24
0.2%
12.3%
Cash Conversion
APLS
APLS
ECVT
ECVT
Q4 25
Q3 25
0.50×
Q2 25
5.52×
Q1 25
Q4 24
Q3 24
4.21×
Q2 24
1.20×
Q1 24
29.90×

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%

ECVT
ECVT

Industrial Mining Automotive$101.3M51%
Regeneration And Treatment Services$90.0M45%
Other$8.1M4%

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