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Side-by-side financial comparison of Equillium, Inc. (EQ) and Peraso Inc. (PRSO). Click either name above to swap in a different company.

Equillium, Inc. is the larger business by last-quarter revenue ($4.4M vs $2.9M, roughly 1.5× Peraso Inc.). Peraso Inc. runs the higher net margin — -43.3% vs -131.9%, a 88.6% gap on every dollar of revenue. On growth, Peraso Inc. posted the faster year-over-year revenue change (-22.0% vs -52.3%). Over the past eight quarters, Peraso Inc.'s revenue compounded faster (1.0% CAGR vs -29.7%).

Equillium, Inc. is a clinical-stage biotechnology company focused on developing novel therapies for severe autoimmune and inflammatory diseases with high unmet medical needs. It advances pipeline candidates targeting immune system dysregulation, primarily catering to patients and healthcare providers across the United States.

Peraso Inc. is a semiconductor technology firm specializing in the design and production of high-performance millimeter wave (mmWave) integrated circuits and modules. It delivers 5G and next-generation wireless connectivity solutions for telecom infrastructure, industrial IoT, fixed wireless access and consumer electronics segments, serving customers across North America, Asia Pacific and European markets.

EQ vs PRSO — Head-to-Head

Bigger by revenue
EQ
EQ
1.5× larger
EQ
$4.4M
$2.9M
PRSO
Growing faster (revenue YoY)
PRSO
PRSO
+30.3% gap
PRSO
-22.0%
-52.3%
EQ
Higher net margin
PRSO
PRSO
88.6% more per $
PRSO
-43.3%
-131.9%
EQ
Faster 2-yr revenue CAGR
PRSO
PRSO
Annualised
PRSO
1.0%
-29.7%
EQ

Income Statement — Q4 FY2024 vs Q4 FY2025

Metric
EQ
EQ
PRSO
PRSO
Revenue
$4.4M
$2.9M
Net Profit
$-5.8M
$-1.2M
Gross Margin
52.2%
Operating Margin
-107.0%
-44.6%
Net Margin
-131.9%
-43.3%
Revenue YoY
-52.3%
-22.0%
Net Profit YoY
-147.4%
20.3%
EPS (diluted)
$-0.16
$-0.09

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
EQ
EQ
PRSO
PRSO
Q4 25
$2.9M
Q3 25
$3.2M
Q2 25
$2.2M
Q1 25
$3.9M
Q4 24
$4.4M
$3.7M
Q3 24
$12.2M
$3.8M
Q2 24
$13.9M
$4.2M
Q1 24
$10.7M
$2.8M
Net Profit
EQ
EQ
PRSO
PRSO
Q4 25
$-1.2M
Q3 25
$-1.2M
Q2 25
$-1.8M
Q1 25
$-471.0K
Q4 24
$-5.8M
$-1.6M
Q3 24
$-7.0K
$-2.7M
Q2 24
$468.0K
$-4.4M
Q1 24
$-2.7M
$-2.0M
Gross Margin
EQ
EQ
PRSO
PRSO
Q4 25
52.2%
Q3 25
56.2%
Q2 25
48.3%
Q1 25
69.3%
Q4 24
56.3%
Q3 24
47.0%
Q2 24
55.5%
Q1 24
46.4%
Operating Margin
EQ
EQ
PRSO
PRSO
Q4 25
-44.6%
Q3 25
-36.8%
Q2 25
-80.0%
Q1 25
-13.3%
Q4 24
-107.0%
-44.3%
Q3 24
-5.6%
-70.3%
Q2 24
-0.7%
-105.6%
Q1 24
-26.1%
-128.9%
Net Margin
EQ
EQ
PRSO
PRSO
Q4 25
-43.3%
Q3 25
-37.4%
Q2 25
-82.4%
Q1 25
-12.2%
Q4 24
-131.9%
-42.4%
Q3 24
-0.1%
-70.6%
Q2 24
3.4%
-104.4%
Q1 24
-25.6%
-72.1%
EPS (diluted)
EQ
EQ
PRSO
PRSO
Q4 25
$-0.09
Q3 25
$-0.17
Q2 25
$-0.31
Q1 25
$-0.10
Q4 24
$-0.16
$0.36
Q3 24
$0.00
$-0.98
Q2 24
$0.01
$-1.88
Q1 24
$-0.08
$-1.07

Balance Sheet & Financial Strength

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

Metric
EQ
EQ
PRSO
PRSO
Cash + ST InvestmentsLiquidity on hand
$18.1M
$2.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$19.1M
$4.6M
Total Assets
$25.6M
$6.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EQ
EQ
PRSO
PRSO
Q4 25
$2.9M
Q3 25
Q2 25
Q1 25
Q4 24
$18.1M
$3.3M
Q3 24
$15.4M
$1.3M
Q2 24
$11.1M
$1.9M
Q1 24
$11.6M
$2.4M
Stockholders' Equity
EQ
EQ
PRSO
PRSO
Q4 25
$4.6M
Q3 25
$3.6M
Q2 25
$3.0M
Q1 25
$3.6M
Q4 24
$19.1M
$3.5M
Q3 24
$23.2M
$2.0M
Q2 24
$22.4M
$3.6M
Q1 24
$21.1M
$6.7M
Total Assets
EQ
EQ
PRSO
PRSO
Q4 25
$6.1M
Q3 25
$6.2M
Q2 25
$5.5M
Q1 25
$6.7M
Q4 24
$25.6M
$7.2M
Q3 24
$34.5M
$7.2M
Q2 24
$42.9M
$9.8M
Q1 24
$43.6M
$11.5M

Cash Flow & Capital Efficiency

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

Metric
EQ
EQ
PRSO
PRSO
Operating Cash FlowLast quarter
$-3.3M
$-1.1M
Free Cash FlowOCF − Capex
$-3.3M
FCF MarginFCF / Revenue
-75.2%
Capex IntensityCapex / Revenue
0.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EQ
EQ
PRSO
PRSO
Q4 25
$-1.1M
Q3 25
$-1.5M
Q2 25
$-2.0M
Q1 25
$-966.0K
Q4 24
$-3.3M
$-687.0K
Q3 24
$-7.7M
$-683.0K
Q2 24
$730.0K
$-659.0K
Q1 24
$-8.8M
$-2.5M
Free Cash Flow
EQ
EQ
PRSO
PRSO
Q4 25
Q3 25
$-1.6M
Q2 25
Q1 25
Q4 24
$-3.3M
Q3 24
Q2 24
$668.0K
Q1 24
$-8.8M
FCF Margin
EQ
EQ
PRSO
PRSO
Q4 25
Q3 25
-48.9%
Q2 25
Q1 25
Q4 24
-75.2%
Q3 24
Q2 24
4.8%
Q1 24
-82.5%
Capex Intensity
EQ
EQ
PRSO
PRSO
Q4 25
Q3 25
1.1%
Q2 25
Q1 25
Q4 24
0.1%
Q3 24
0.0%
Q2 24
0.4%
Q1 24
0.2%
Cash Conversion
EQ
EQ
PRSO
PRSO
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
1.56×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

EQ
EQ

Segment breakdown not available.

PRSO
PRSO

Products$2.8M96%
Other$105.0K4%

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