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Side-by-side financial comparison of Alector, Inc. (ALEC) and ARGENX SE (ARGX). Click either name above to swap in a different company.

ARGENX SE is the larger business by last-quarter revenue ($2.5B vs $6.2M, roughly 396.6× Alector, Inc.). ARGENX SE runs the higher net margin — 35.5% vs -597.5%, a 633.0% gap on every dollar of revenue. On growth, ARGENX SE posted the faster year-over-year revenue change (83.2% vs -88.5%).

Alector, Inc. is a clinical-stage biopharmaceutical company focused on developing innovative immunotherapies for neurodegenerative diseases. Its product pipeline targets unmet medical needs including Alzheimer’s disease, frontotemporal dementia, and Parkinson’s disease, and it collaborates with global pharmaceutical partners to advance candidate therapies through clinical trials.

AbbVie Inc. is an American pharmaceutical company headquartered in North Chicago, Illinois. They have produced drugs to treat a wide range of medical issues.

ALEC vs ARGX — Head-to-Head

Bigger by revenue
ARGX
ARGX
396.6× larger
ARGX
$2.5B
$6.2M
ALEC
Growing faster (revenue YoY)
ARGX
ARGX
+171.7% gap
ARGX
83.2%
-88.5%
ALEC
Higher net margin
ARGX
ARGX
633.0% more per $
ARGX
35.5%
-597.5%
ALEC

Income Statement — Q4 2025 vs Q4 2025

Metric
ALEC
ALEC
ARGX
ARGX
Revenue
$6.2M
$2.5B
Net Profit
$-37.3M
$877.2M
Gross Margin
89.5%
Operating Margin
-634.4%
28.9%
Net Margin
-597.5%
35.5%
Revenue YoY
-88.5%
83.2%
Net Profit YoY
-1696.9%
1.3%
EPS (diluted)
$-0.34
$13.25

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
ALEC
ALEC
ARGX
ARGX
Q4 25
$6.2M
$2.5B
Q3 25
$3.3M
Q2 25
$7.9M
$1.8B
Q1 25
$3.7M
Q4 24
$54.2M
$1.4B
Q3 24
$15.3M
Q2 24
$15.1M
$901.9M
Q1 24
$15.9M
Net Profit
ALEC
ALEC
ARGX
ARGX
Q4 25
$-37.3M
$877.2M
Q3 25
$-34.7M
Q2 25
$-30.5M
$414.8M
Q1 25
$-40.5M
Q4 24
$-2.1M
$865.6M
Q3 24
$-42.2M
Q2 24
$-38.7M
$-32.5M
Q1 24
$-36.1M
Gross Margin
ALEC
ALEC
ARGX
ARGX
Q4 25
89.5%
Q3 25
Q2 25
89.2%
Q1 25
Q4 24
90.2%
Q3 24
Q2 24
89.4%
Q1 24
Operating Margin
ALEC
ALEC
ARGX
ARGX
Q4 25
-634.4%
28.9%
Q3 25
-1153.6%
Q2 25
-433.6%
19.2%
Q1 25
-1216.5%
Q4 24
-13.4%
8.7%
Q3 24
-315.7%
Q2 24
-302.4%
-15.4%
Q1 24
-275.0%
Net Margin
ALEC
ALEC
ARGX
ARGX
Q4 25
-597.5%
35.5%
Q3 25
-1063.4%
Q2 25
-387.7%
23.4%
Q1 25
-1101.6%
Q4 24
-3.8%
64.1%
Q3 24
-275.2%
Q2 24
-256.4%
-3.6%
Q1 24
-227.0%
EPS (diluted)
ALEC
ALEC
ARGX
ARGX
Q4 25
$-0.34
$13.25
Q3 25
$-0.34
Q2 25
$-0.30
$6.32
Q1 25
$-0.41
Q4 24
$-0.02
$13.33
Q3 24
$-0.43
Q2 24
$-0.40
$-0.55
Q1 24
$-0.38

Balance Sheet & Financial Strength

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

Metric
ALEC
ALEC
ARGX
ARGX
Cash + ST InvestmentsLiquidity on hand
$256.0M
$3.5B
Total DebtLower is stronger
$10.0M
Stockholders' EquityBook value
$30.6M
$7.3B
Total Assets
$293.2M
$8.7B
Debt / EquityLower = less leverage
0.33×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALEC
ALEC
ARGX
ARGX
Q4 25
$256.0M
$3.5B
Q3 25
$291.1M
Q2 25
$307.3M
$2.1B
Q1 25
$354.6M
Q4 24
$413.4M
$1.5B
Q3 24
$457.2M
Q2 24
$503.3M
$1.4B
Q1 24
$562.1M
Total Debt
ALEC
ALEC
ARGX
ARGX
Q4 25
$10.0M
Q3 25
Q2 25
Q1 25
Q4 24
$10.0M
Q3 24
Q2 24
$11.0M
Q1 24
Stockholders' Equity
ALEC
ALEC
ARGX
ARGX
Q4 25
$30.6M
$7.3B
Q3 25
$57.7M
Q2 25
$71.2M
$6.1B
Q1 25
$94.6M
Q4 24
$126.8M
$5.5B
Q3 24
$118.9M
Q2 24
$150.6M
$4.3B
Q1 24
$178.9M
Total Assets
ALEC
ALEC
ARGX
ARGX
Q4 25
$293.2M
$8.7B
Q3 25
$335.3M
Q2 25
$356.4M
$7.2B
Q1 25
$408.3M
Q4 24
$468.3M
$6.2B
Q3 24
$516.0M
Q2 24
$570.7M
$4.8B
Q1 24
$635.5M
Debt / Equity
ALEC
ALEC
ARGX
ARGX
Q4 25
0.33×
Q3 25
Q2 25
Q1 25
Q4 24
0.08×
Q3 24
Q2 24
0.00×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
ALEC
ALEC
ARGX
ARGX
Operating Cash FlowLast quarter
$-41.7M
$323.3M
Free Cash FlowOCF − Capex
$322.4M
FCF MarginFCF / Revenue
13.0%
Capex IntensityCapex / Revenue
0.0%
0.0%
Cash ConversionOCF / Net Profit
0.37×
TTM Free Cash FlowTrailing 4 quarters
$594.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALEC
ALEC
ARGX
ARGX
Q4 25
$-41.7M
$323.3M
Q3 25
$-32.5M
Q2 25
$-49.0M
$361.8M
Q1 25
$-60.8M
Q4 24
$-55.0M
$41.9M
Q3 24
$-50.7M
Q2 24
$-62.8M
$-124.7M
Q1 24
$-61.3M
Free Cash Flow
ALEC
ALEC
ARGX
ARGX
Q4 25
$322.4M
Q3 25
$-32.5M
Q2 25
$-49.1M
$356.6M
Q1 25
$-60.8M
Q4 24
$-55.2M
$40.9M
Q3 24
$-50.9M
Q2 24
$-63.1M
$-125.5M
Q1 24
$-61.9M
FCF Margin
ALEC
ALEC
ARGX
ARGX
Q4 25
13.0%
Q3 25
-997.6%
Q2 25
-623.0%
20.1%
Q1 25
-1655.0%
Q4 24
-101.8%
3.0%
Q3 24
-332.1%
Q2 24
-418.6%
-13.9%
Q1 24
-389.3%
Capex Intensity
ALEC
ALEC
ARGX
ARGX
Q4 25
0.0%
0.0%
Q3 25
0.3%
Q2 25
0.1%
0.3%
Q1 25
0.5%
Q4 24
0.3%
0.1%
Q3 24
1.4%
Q2 24
2.2%
0.1%
Q1 24
3.4%
Cash Conversion
ALEC
ALEC
ARGX
ARGX
Q4 25
0.37×
Q3 25
Q2 25
0.87×
Q1 25
Q4 24
0.05×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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