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

Peraso Inc. is the larger business by last-quarter revenue ($2.9M vs $1.6M, roughly 1.8× Pulmatrix, Inc.). Peraso Inc. runs the higher net margin — -43.3% vs -374.4%, a 331.1% gap on every dollar of revenue. On growth, Pulmatrix, Inc. posted the faster year-over-year revenue change (-15.8% vs -22.0%). Over the past eight quarters, Peraso Inc.'s revenue compounded faster (1.0% CAGR vs -8.9%).

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.

Pulmatrix, Inc. is a clinical-stage biopharmaceutical firm specializing in developing innovative inhaled therapies for severe respiratory diseases including chronic obstructive pulmonary disease, cystic fibrosis and idiopathic pulmonary fibrosis. It uses its proprietary dry powder platform to improve inhaled medication efficacy and safety, advancing its product candidate pipeline via partnerships with global pharmaceutical players.

PRSO vs PULM — Head-to-Head

Bigger by revenue
PRSO
PRSO
1.8× larger
PRSO
$2.9M
$1.6M
PULM
Growing faster (revenue YoY)
PULM
PULM
+6.1% gap
PULM
-15.8%
-22.0%
PRSO
Higher net margin
PRSO
PRSO
331.1% more per $
PRSO
-43.3%
-374.4%
PULM
Faster 2-yr revenue CAGR
PRSO
PRSO
Annualised
PRSO
1.0%
-8.9%
PULM

Income Statement — Q4 FY2025 vs Q2 FY2024

Metric
PRSO
PRSO
PULM
PULM
Revenue
$2.9M
$1.6M
Net Profit
$-1.2M
$-5.8M
Gross Margin
52.2%
Operating Margin
-44.6%
-380.2%
Net Margin
-43.3%
-374.4%
Revenue YoY
-22.0%
-15.8%
Net Profit YoY
20.3%
-52.3%
EPS (diluted)
$-0.09
$-1.59

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
PRSO
PRSO
PULM
PULM
Q4 25
$2.9M
Q3 25
$3.2M
Q2 25
$2.2M
Q1 25
$3.9M
Q4 24
$3.7M
Q3 24
$3.8M
Q2 24
$4.2M
$1.6M
Q1 24
$2.8M
$5.9M
Net Profit
PRSO
PRSO
PULM
PULM
Q4 25
$-1.2M
Q3 25
$-1.2M
Q2 25
$-1.8M
Q1 25
$-471.0K
Q4 24
$-1.6M
Q3 24
$-2.7M
Q2 24
$-4.4M
$-5.8M
Q1 24
$-2.0M
$825.0K
Gross Margin
PRSO
PRSO
PULM
PULM
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
PRSO
PRSO
PULM
PULM
Q4 25
-44.6%
Q3 25
-36.8%
Q2 25
-80.0%
Q1 25
-13.3%
Q4 24
-44.3%
Q3 24
-70.3%
Q2 24
-105.6%
-380.2%
Q1 24
-128.9%
12.7%
Net Margin
PRSO
PRSO
PULM
PULM
Q4 25
-43.3%
Q3 25
-37.4%
Q2 25
-82.4%
Q1 25
-12.2%
Q4 24
-42.4%
Q3 24
-70.6%
Q2 24
-104.4%
-374.4%
Q1 24
-72.1%
14.0%
EPS (diluted)
PRSO
PRSO
PULM
PULM
Q4 25
$-0.09
Q3 25
$-0.17
Q2 25
$-0.31
Q1 25
$-0.10
Q4 24
$0.36
Q3 24
$-0.98
Q2 24
$-1.88
$-1.59
Q1 24
$-1.07
$0.23

Balance Sheet & Financial Strength

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

Metric
PRSO
PRSO
PULM
PULM
Cash + ST InvestmentsLiquidity on hand
$2.9M
$12.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$4.6M
$13.3M
Total Assets
$6.1M
$15.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRSO
PRSO
PULM
PULM
Q4 25
$2.9M
Q3 25
Q2 25
Q1 25
Q4 24
$3.3M
Q3 24
$1.3M
Q2 24
$1.9M
$12.4M
Q1 24
$2.4M
$16.3M
Stockholders' Equity
PRSO
PRSO
PULM
PULM
Q4 25
$4.6M
Q3 25
$3.6M
Q2 25
$3.0M
Q1 25
$3.6M
Q4 24
$3.5M
Q3 24
$2.0M
Q2 24
$3.6M
$13.3M
Q1 24
$6.7M
$19.0M
Total Assets
PRSO
PRSO
PULM
PULM
Q4 25
$6.1M
Q3 25
$6.2M
Q2 25
$5.5M
Q1 25
$6.7M
Q4 24
$7.2M
Q3 24
$7.2M
Q2 24
$9.8M
$15.8M
Q1 24
$11.5M
$30.4M

Cash Flow & Capital Efficiency

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

Metric
PRSO
PRSO
PULM
PULM
Operating Cash FlowLast quarter
$-1.1M
$-3.7M
Free Cash FlowOCF − Capex
$-3.9M
FCF MarginFCF / Revenue
-252.6%
Capex IntensityCapex / Revenue
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRSO
PRSO
PULM
PULM
Q4 25
$-1.1M
Q3 25
$-1.5M
Q2 25
$-2.0M
Q1 25
$-966.0K
Q4 24
$-687.0K
Q3 24
$-683.0K
Q2 24
$-659.0K
$-3.7M
Q1 24
$-2.5M
$-2.7M
Free Cash Flow
PRSO
PRSO
PULM
PULM
Q4 25
Q3 25
$-1.6M
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
$-3.9M
Q1 24
$-2.9M
FCF Margin
PRSO
PRSO
PULM
PULM
Q4 25
Q3 25
-48.9%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
-252.6%
Q1 24
-48.8%
Capex Intensity
PRSO
PRSO
PULM
PULM
Q4 25
Q3 25
1.1%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
15.7%
Q1 24
2.6%
Cash Conversion
PRSO
PRSO
PULM
PULM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
-3.30×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRSO
PRSO

Products$2.8M96%
Other$105.0K4%

PULM
PULM

Segment breakdown not available.

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