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

Alector, Inc. is the larger business by last-quarter revenue ($6.2M vs $4.5M, roughly 1.4× AmpliTech Group, Inc.). On growth, AmpliTech Group, Inc. posted the faster year-over-year revenue change (141.6% vs -88.5%). AmpliTech Group, Inc. produced more free cash flow last quarter ($-3.5M vs $-184.1M). Over the past eight quarters, AmpliTech Group, Inc.'s revenue compounded faster (39.7% CAGR vs -37.4%).

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.

Ampli Energy is a South African company providing a renewable energy trading platform that uses a wheeling process to deliver green energy to consumers.

ALEC vs AMPG — Head-to-Head

Bigger by revenue
ALEC
ALEC
1.4× larger
ALEC
$6.2M
$4.5M
AMPG
Growing faster (revenue YoY)
AMPG
AMPG
+230.1% gap
AMPG
141.6%
-88.5%
ALEC
More free cash flow
AMPG
AMPG
$180.6M more FCF
AMPG
$-3.5M
$-184.1M
ALEC
Faster 2-yr revenue CAGR
AMPG
AMPG
Annualised
AMPG
39.7%
-37.4%
ALEC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALEC
ALEC
AMPG
AMPG
Revenue
$6.2M
$4.5M
Net Profit
$-3.2M
Gross Margin
22.8%
Operating Margin
-73.3%
Net Margin
-71.6%
Revenue YoY
-88.5%
141.6%
Net Profit YoY
-1696.9%
16.1%
EPS (diluted)
$-0.14

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
AMPG
AMPG
Q4 25
$6.2M
$4.5M
Q3 25
$3.3M
$6.1M
Q2 25
$7.9M
$11.0M
Q1 25
$3.7M
$3.6M
Q4 24
$54.2M
$1.9M
Q3 24
$15.3M
$2.8M
Q2 24
$15.1M
$2.5M
Q1 24
$15.9M
$2.3M
Net Profit
ALEC
ALEC
AMPG
AMPG
Q4 25
$-3.2M
Q3 25
$-34.7M
$-188.4K
Q2 25
$-30.5M
$-1.8M
Q1 25
$-40.5M
$-1.8M
Q4 24
$-2.1M
$-3.8M
Q3 24
$-42.2M
$-1.2M
Q2 24
$-38.7M
$-1.6M
Q1 24
$-36.1M
$-4.7M
Gross Margin
ALEC
ALEC
AMPG
AMPG
Q4 25
22.8%
Q3 25
48.6%
Q2 25
7.8%
Q1 25
33.0%
Q4 24
10.7%
Q3 24
47.6%
Q2 24
41.8%
Q1 24
38.5%
Operating Margin
ALEC
ALEC
AMPG
AMPG
Q4 25
-73.3%
Q3 25
-1153.6%
-3.6%
Q2 25
-433.6%
-17.5%
Q1 25
-1216.5%
-52.5%
Q4 24
-13.4%
-234.5%
Q3 24
-315.7%
-38.4%
Q2 24
-302.4%
-62.0%
Q1 24
-275.0%
-62.3%
Net Margin
ALEC
ALEC
AMPG
AMPG
Q4 25
-71.6%
Q3 25
-1063.4%
-3.1%
Q2 25
-387.7%
-16.1%
Q1 25
-1101.6%
-51.1%
Q4 24
-3.8%
-206.2%
Q3 24
-275.2%
-42.0%
Q2 24
-256.4%
-62.4%
Q1 24
-227.0%
-203.0%
EPS (diluted)
ALEC
ALEC
AMPG
AMPG
Q4 25
$-0.14
Q3 25
$-0.34
$-0.01
Q2 25
$-0.30
$-0.09
Q1 25
$-0.41
$-0.09
Q4 24
$-0.02
$-0.28
Q3 24
$-0.43
$-0.12
Q2 24
$-0.40
$-0.16
Q1 24
$-0.38
$-0.48

Balance Sheet & Financial Strength

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

Metric
ALEC
ALEC
AMPG
AMPG
Cash + ST InvestmentsLiquidity on hand
$256.0M
$5.0M
Total DebtLower is stronger
$10.0M
Stockholders' EquityBook value
$30.6M
$32.9M
Total Assets
$293.2M
$51.5M
Debt / EquityLower = less leverage
0.33×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALEC
ALEC
AMPG
AMPG
Q4 25
$256.0M
$5.0M
Q3 25
$291.1M
$8.4M
Q2 25
$307.3M
$11.1M
Q1 25
$354.6M
$16.9M
Q4 24
$413.4M
$19.3M
Q3 24
$457.2M
$1.1M
Q2 24
$503.3M
$1.0M
Q1 24
$562.1M
$2.4M
Total Debt
ALEC
ALEC
AMPG
AMPG
Q4 25
$10.0M
Q3 25
Q2 25
Q1 25
Q4 24
$10.0M
Q3 24
$1.1M
Q2 24
$36.4K
Q1 24
$63.2K
Stockholders' Equity
ALEC
ALEC
AMPG
AMPG
Q4 25
$30.6M
$32.9M
Q3 25
$57.7M
$35.8M
Q2 25
$71.2M
$35.8M
Q1 25
$94.6M
$35.8M
Q4 24
$126.8M
$37.5M
Q3 24
$118.9M
$20.4M
Q2 24
$150.6M
$20.7M
Q1 24
$178.9M
$22.2M
Total Assets
ALEC
ALEC
AMPG
AMPG
Q4 25
$293.2M
$51.5M
Q3 25
$335.3M
$47.2M
Q2 25
$356.4M
$48.6M
Q1 25
$408.3M
$42.1M
Q4 24
$468.3M
$43.2M
Q3 24
$516.0M
$27.5M
Q2 24
$570.7M
$25.4M
Q1 24
$635.5M
$26.9M
Debt / Equity
ALEC
ALEC
AMPG
AMPG
Q4 25
0.33×
Q3 25
Q2 25
Q1 25
Q4 24
0.08×
Q3 24
0.06×
Q2 24
0.00×
Q1 24
0.00×

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
AMPG
AMPG
Operating Cash FlowLast quarter
$-184.0M
$-3.4M
Free Cash FlowOCF − Capex
$-184.1M
$-3.5M
FCF MarginFCF / Revenue
-2951.3%
-78.4%
Capex IntensityCapex / Revenue
0.7%
1.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-326.5M
$-9.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALEC
ALEC
AMPG
AMPG
Q4 25
$-184.0M
$-3.4M
Q3 25
$-32.5M
$-999.4K
Q2 25
$-49.0M
$-2.3M
Q1 25
$-60.8M
$-2.0M
Q4 24
$-55.0M
$-1.2M
Q3 24
$-50.7M
$-1.7M
Q2 24
$-62.8M
$-1.3M
Q1 24
$-61.3M
$-1.1M
Free Cash Flow
ALEC
ALEC
AMPG
AMPG
Q4 25
$-184.1M
$-3.5M
Q3 25
$-32.5M
$-1.4M
Q2 25
$-49.1M
$-2.4M
Q1 25
$-60.8M
$-2.4M
Q4 24
$-55.2M
$-1.2M
Q3 24
$-50.9M
$-1.7M
Q2 24
$-63.1M
$-1.3M
Q1 24
$-61.9M
$-1.1M
FCF Margin
ALEC
ALEC
AMPG
AMPG
Q4 25
-2951.3%
-78.4%
Q3 25
-997.6%
-23.7%
Q2 25
-623.0%
-21.6%
Q1 25
-1655.0%
-65.8%
Q4 24
-101.8%
-63.9%
Q3 24
-332.1%
-61.6%
Q2 24
-418.6%
-52.7%
Q1 24
-389.3%
-47.0%
Capex Intensity
ALEC
ALEC
AMPG
AMPG
Q4 25
0.7%
1.9%
Q3 25
0.3%
7.3%
Q2 25
0.1%
1.1%
Q1 25
0.5%
10.0%
Q4 24
0.3%
0.9%
Q3 24
1.4%
0.4%
Q2 24
2.2%
0.5%
Q1 24
3.4%
0.1%

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALEC
ALEC

Segment breakdown not available.

AMPG
AMPG

Other$2.7M60%
Distribution$1.8M40%

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