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

Pulmatrix, Inc. is the larger business by last-quarter revenue ($1.6M vs $945.0K, roughly 1.6× NEXTNAV INC.). Pulmatrix, Inc. runs the higher net margin — -374.4% vs -7191.7%, a 6817.3% gap on every dollar of revenue. On growth, Pulmatrix, Inc. posted the faster year-over-year revenue change (-15.8% vs -50.5%). Pulmatrix, Inc. produced more free cash flow last quarter ($-3.9M vs $-16.1M). Over the past eight quarters, NEXTNAV INC.'s revenue compounded faster (-5.0% CAGR vs -8.9%).

NextNav Inc. is a specialized technology company focused on high-precision 3D geolocation and positioning solutions. Its services deliver accurate vertical location data for public safety operations, IoT use cases, mobile network management, and commercial location services, catering to enterprise and government clients across North America and select global 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.

NN vs PULM — Head-to-Head

Bigger by revenue
PULM
PULM
1.6× larger
PULM
$1.6M
$945.0K
NN
Growing faster (revenue YoY)
PULM
PULM
+34.7% gap
PULM
-15.8%
-50.5%
NN
Higher net margin
PULM
PULM
6817.3% more per $
PULM
-374.4%
-7191.7%
NN
More free cash flow
PULM
PULM
$12.2M more FCF
PULM
$-3.9M
$-16.1M
NN
Faster 2-yr revenue CAGR
NN
NN
Annualised
NN
-5.0%
-8.9%
PULM

Income Statement — Q4 FY2025 vs Q2 FY2024

Metric
NN
NN
PULM
PULM
Revenue
$945.0K
$1.6M
Net Profit
$-68.0M
$-5.8M
Gross Margin
Operating Margin
-1706.1%
-380.2%
Net Margin
-7191.7%
-374.4%
Revenue YoY
-50.5%
-15.8%
Net Profit YoY
-110.6%
-52.3%
EPS (diluted)
$-0.37
$-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
NN
NN
PULM
PULM
Q4 25
$945.0K
Q3 25
$887.0K
Q2 25
$1.2M
Q1 25
$1.5M
Q4 24
$1.9M
Q3 24
$1.6M
Q2 24
$1.1M
$1.6M
Q1 24
$1.0M
$5.9M
Net Profit
NN
NN
PULM
PULM
Q4 25
$-68.0M
Q3 25
$483.0K
Q2 25
$-63.2M
Q1 25
$-58.6M
Q4 24
$-32.3M
Q3 24
$-13.6M
Q2 24
$-24.4M
$-5.8M
Q1 24
$-31.6M
$825.0K
Operating Margin
NN
NN
PULM
PULM
Q4 25
-1706.1%
Q3 25
-2239.6%
Q2 25
-1434.3%
Q1 25
-1104.9%
Q4 24
-772.6%
Q3 24
-862.0%
Q2 24
-1387.5%
-380.2%
Q1 24
-1544.0%
12.7%
Net Margin
NN
NN
PULM
PULM
Q4 25
-7191.7%
Q3 25
54.5%
Q2 25
-5257.5%
Q1 25
-3806.3%
Q4 24
-1688.6%
Q3 24
-846.9%
Q2 24
-2207.2%
-374.4%
Q1 24
-3022.0%
14.0%
EPS (diluted)
NN
NN
PULM
PULM
Q4 25
$-0.37
Q3 25
$-0.12
Q2 25
$-0.48
Q1 25
$-0.45
Q4 24
$-0.24
Q3 24
$-0.11
Q2 24
$-0.21
$-1.59
Q1 24
$-0.28
$0.23

Balance Sheet & Financial Strength

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

Metric
NN
NN
PULM
PULM
Cash + ST InvestmentsLiquidity on hand
$259.5M
$12.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$-86.2M
$13.3M
Total Assets
$247.0M
$15.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NN
NN
PULM
PULM
Q4 25
$259.5M
Q3 25
$167.6M
Q2 25
$176.1M
Q1 25
$188.4M
Q4 24
$80.1M
Q3 24
$86.8M
Q2 24
$86.3M
$12.4M
Q1 24
$79.2M
$16.3M
Stockholders' Equity
NN
NN
PULM
PULM
Q4 25
$-86.2M
Q3 25
$-22.1M
Q2 25
$-47.2M
Q1 25
$6.6M
Q4 24
$50.1M
Q3 24
$65.6M
Q2 24
$63.8M
$13.3M
Q1 24
$55.9M
$19.0M
Total Assets
NN
NN
PULM
PULM
Q4 25
$247.0M
Q3 25
$263.1M
Q2 25
$256.7M
Q1 25
$268.6M
Q4 24
$161.7M
Q3 24
$171.7M
Q2 24
$172.3M
$15.8M
Q1 24
$165.6M
$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
NN
NN
PULM
PULM
Operating Cash FlowLast quarter
$-16.1M
$-3.7M
Free Cash FlowOCF − Capex
$-16.1M
$-3.9M
FCF MarginFCF / Revenue
-1702.9%
-252.6%
Capex IntensityCapex / Revenue
1.6%
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-50.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NN
NN
PULM
PULM
Q4 25
$-16.1M
Q3 25
$-9.0M
Q2 25
$-13.5M
Q1 25
$-12.2M
Q4 24
$-11.9M
Q3 24
$-6.8M
Q2 24
$-12.3M
$-3.7M
Q1 24
$-7.0M
$-2.7M
Free Cash Flow
NN
NN
PULM
PULM
Q4 25
$-16.1M
Q3 25
$-9.0M
Q2 25
$-13.6M
Q1 25
$-12.2M
Q4 24
$-12.1M
Q3 24
$-6.8M
Q2 24
$-12.4M
$-3.9M
Q1 24
$-7.0M
$-2.9M
FCF Margin
NN
NN
PULM
PULM
Q4 25
-1702.9%
Q3 25
-1011.6%
Q2 25
-1127.4%
Q1 25
-793.3%
Q4 24
-634.0%
Q3 24
-422.0%
Q2 24
-1126.1%
-252.6%
Q1 24
-670.8%
-48.8%
Capex Intensity
NN
NN
PULM
PULM
Q4 25
1.6%
Q3 25
0.9%
Q2 25
2.2%
Q1 25
1.9%
Q4 24
8.8%
Q3 24
0.1%
Q2 24
13.5%
15.7%
Q1 24
3.1%
2.6%
Cash Conversion
NN
NN
PULM
PULM
Q4 25
Q3 25
-18.56×
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.

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