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

Sunlands Technology Group is the larger business by last-quarter revenue ($10.1M vs $6.2M, roughly 1.6× Alector, Inc.). Over the past eight quarters, Sunlands Technology Group's revenue compounded faster (0.6% 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.

STG Partners, LLC (STG) is an American private equity firm and based in Menlo Park, California. Its predecessor, Symphony Technology Group ("Symphony") was founded in 2002 by Romesh Wadhwani, William Chisholm, and Bryan Taylor. In 2017, Symphony was reorganized as STG Partners. As of March 2025, STG Partners managed approximately $12 billion in 19 pooled investment vehicle for its clients. The firm itself has less than one billion dollars in assets.

ALEC vs STG — Head-to-Head

Bigger by revenue
STG
STG
1.6× larger
STG
$10.1M
$6.2M
ALEC
Faster 2-yr revenue CAGR
STG
STG
Annualised
STG
0.6%
-37.4%
ALEC

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ALEC
ALEC
STG
STG
Revenue
$6.2M
$10.1M
Net Profit
$2.4M
Gross Margin
88.5%
Operating Margin
26.5%
Net Margin
24.0%
Revenue YoY
-88.5%
Net Profit YoY
-1696.9%
EPS (diluted)

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
STG
STG
Q4 25
$6.2M
Q3 25
$3.3M
$10.1M
Q2 25
$7.9M
$9.3M
Q1 25
$3.7M
Q4 24
$54.2M
$9.7M
Q3 24
$15.3M
Q2 24
$15.1M
$10.0M
Q1 24
$15.9M
Net Profit
ALEC
ALEC
STG
STG
Q4 25
Q3 25
$-34.7M
$2.4M
Q2 25
$-30.5M
$1.4M
Q1 25
$-40.5M
Q4 24
$-2.1M
$1.8M
Q3 24
$-42.2M
Q2 24
$-38.7M
$2.2M
Q1 24
$-36.1M
Gross Margin
ALEC
ALEC
STG
STG
Q4 25
Q3 25
88.5%
Q2 25
85.2%
Q1 25
Q4 24
83.3%
Q3 24
Q2 24
85.2%
Q1 24
Operating Margin
ALEC
ALEC
STG
STG
Q4 25
Q3 25
-1153.6%
26.5%
Q2 25
-433.6%
15.2%
Q1 25
-1216.5%
Q4 24
-13.4%
13.4%
Q3 24
-315.7%
Q2 24
-302.4%
Q1 24
-275.0%
Net Margin
ALEC
ALEC
STG
STG
Q4 25
Q3 25
-1063.4%
24.0%
Q2 25
-387.7%
15.4%
Q1 25
-1101.6%
Q4 24
-3.8%
18.2%
Q3 24
-275.2%
Q2 24
-256.4%
21.5%
Q1 24
-227.0%
EPS (diluted)
ALEC
ALEC
STG
STG
Q4 25
Q3 25
$-0.34
Q2 25
$-0.30
Q1 25
$-0.41
Q4 24
$-0.02
Q3 24
$-0.43
Q2 24
$-0.40
$0.31
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
STG
STG
Cash + ST InvestmentsLiquidity on hand
$256.0M
$15.1M
Total DebtLower is stronger
$10.0M
Stockholders' EquityBook value
$30.6M
$17.7M
Total Assets
$293.2M
$41.2M
Debt / EquityLower = less leverage
0.33×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALEC
ALEC
STG
STG
Q4 25
$256.0M
Q3 25
$291.1M
$15.1M
Q2 25
$307.3M
Q1 25
$354.6M
Q4 24
$413.4M
$15.6M
Q3 24
$457.2M
Q2 24
$503.3M
$18.7M
Q1 24
$562.1M
Total Debt
ALEC
ALEC
STG
STG
Q4 25
$10.0M
Q3 25
Q2 25
Q1 25
Q4 24
$10.0M
$1.5M
Q3 24
Q2 24
$1.8M
Q1 24
Stockholders' Equity
ALEC
ALEC
STG
STG
Q4 25
$30.6M
Q3 25
$57.7M
$17.7M
Q2 25
$71.2M
$12.6M
Q1 25
$94.6M
Q4 24
$126.8M
$10.7M
Q3 24
$118.9M
Q2 24
$150.6M
$7.6M
Q1 24
$178.9M
Total Assets
ALEC
ALEC
STG
STG
Q4 25
$293.2M
Q3 25
$335.3M
$41.2M
Q2 25
$356.4M
$40.3M
Q1 25
$408.3M
Q4 24
$468.3M
$42.4M
Q3 24
$516.0M
Q2 24
$570.7M
$41.3M
Q1 24
$635.5M
Debt / Equity
ALEC
ALEC
STG
STG
Q4 25
0.33×
Q3 25
Q2 25
Q1 25
Q4 24
0.08×
0.14×
Q3 24
Q2 24
0.24×
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
STG
STG
Operating Cash FlowLast quarter
$-184.0M
Free Cash FlowOCF − Capex
$-184.1M
FCF MarginFCF / Revenue
-2951.3%
Capex IntensityCapex / Revenue
0.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-326.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALEC
ALEC
STG
STG
Q4 25
$-184.0M
Q3 25
$-32.5M
Q2 25
$-49.0M
Q1 25
$-60.8M
Q4 24
$-55.0M
Q3 24
$-50.7M
Q2 24
$-62.8M
Q1 24
$-61.3M
Free Cash Flow
ALEC
ALEC
STG
STG
Q4 25
$-184.1M
Q3 25
$-32.5M
Q2 25
$-49.1M
Q1 25
$-60.8M
Q4 24
$-55.2M
Q3 24
$-50.9M
Q2 24
$-63.1M
Q1 24
$-61.9M
FCF Margin
ALEC
ALEC
STG
STG
Q4 25
-2951.3%
Q3 25
-997.6%
Q2 25
-623.0%
Q1 25
-1655.0%
Q4 24
-101.8%
Q3 24
-332.1%
Q2 24
-418.6%
Q1 24
-389.3%
Capex Intensity
ALEC
ALEC
STG
STG
Q4 25
0.7%
Q3 25
0.3%
Q2 25
0.1%
Q1 25
0.5%
Q4 24
0.3%
Q3 24
1.4%
Q2 24
2.2%
Q1 24
3.4%

Financial Flow Comparison

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

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