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Side-by-side financial comparison of Inspire Medical Systems, Inc. (INSP) and Piedmont Realty Trust, Inc. (PDM). Click either name above to swap in a different company.

Inspire Medical Systems, Inc. is the larger business by last-quarter revenue ($269.1M vs $143.3M, roughly 1.9× Piedmont Realty Trust, Inc.). Inspire Medical Systems, Inc. runs the higher net margin — 50.6% vs -31.4%, a 82.0% gap on every dollar of revenue. On growth, Inspire Medical Systems, Inc. posted the faster year-over-year revenue change (12.2% vs 0.4%). Over the past eight quarters, Inspire Medical Systems, Inc.'s revenue compounded faster (28.1% CAGR vs 0.0%).

Inspire Medical Systems, Inc. is a medical technology firm that develops, manufactures and commercializes implantable neurostimulation solutions for obstructive sleep apnea. Its core product serves patients intolerant to CPAP therapy, with main markets across North America, Europe, and select Asia-Pacific regions, operating in sleep medicine and otolaryngology segments.

Piedmont Realty Trust, Inc. is a publicly traded real estate investment trust (REIT) that owns, operates, and invests in high-quality office properties primarily located in high-growth metropolitan areas across the United States. It serves corporate tenants across multiple industry sectors including technology, professional services, and healthcare, and pursues stable long-term returns for stakeholders via strategic property management and portfolio optimization.

INSP vs PDM — Head-to-Head

Bigger by revenue
INSP
INSP
1.9× larger
INSP
$269.1M
$143.3M
PDM
Growing faster (revenue YoY)
INSP
INSP
+11.8% gap
INSP
12.2%
0.4%
PDM
Higher net margin
INSP
INSP
82.0% more per $
INSP
50.6%
-31.4%
PDM
Faster 2-yr revenue CAGR
INSP
INSP
Annualised
INSP
28.1%
0.0%
PDM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
INSP
INSP
PDM
PDM
Revenue
$269.1M
$143.3M
Net Profit
$136.1M
$-45.0M
Gross Margin
86.6%
Operating Margin
17.1%
Net Margin
50.6%
-31.4%
Revenue YoY
12.2%
0.4%
Net Profit YoY
286.4%
-27.9%
EPS (diluted)
$4.57
$-0.10

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
INSP
INSP
PDM
PDM
Q1 26
$143.3M
Q4 25
$269.1M
$142.9M
Q3 25
$224.5M
$139.2M
Q2 25
$217.1M
$140.3M
Q1 25
$201.3M
$142.7M
Q4 24
$239.7M
$143.2M
Q3 24
$203.2M
$139.3M
Q2 24
$195.9M
$143.3M
Net Profit
INSP
INSP
PDM
PDM
Q1 26
$-45.0M
Q4 25
$136.1M
$-43.2M
Q3 25
$9.9M
$-13.5M
Q2 25
$-3.6M
$-16.8M
Q1 25
$3.0M
$-10.1M
Q4 24
$35.2M
$-30.0M
Q3 24
$18.5M
$-11.5M
Q2 24
$9.8M
$-9.8M
Gross Margin
INSP
INSP
PDM
PDM
Q1 26
Q4 25
86.6%
Q3 25
85.8%
Q2 25
84.0%
Q1 25
84.7%
Q4 24
85.0%
Q3 24
84.1%
Q2 24
84.8%
Operating Margin
INSP
INSP
PDM
PDM
Q1 26
Q4 25
17.1%
Q3 25
4.3%
Q2 25
-1.5%
Q1 25
-0.7%
Q4 24
13.3%
Q3 24
7.0%
Q2 24
2.6%
Net Margin
INSP
INSP
PDM
PDM
Q1 26
-31.4%
Q4 25
50.6%
-30.3%
Q3 25
4.4%
-9.7%
Q2 25
-1.7%
-12.0%
Q1 25
1.5%
-7.1%
Q4 24
14.7%
-20.9%
Q3 24
9.1%
-8.3%
Q2 24
5.0%
-6.8%
EPS (diluted)
INSP
INSP
PDM
PDM
Q1 26
$-0.10
Q4 25
$4.57
$-0.34
Q3 25
$0.34
$-0.11
Q2 25
$-0.12
$-0.14
Q1 25
$0.10
$-0.08
Q4 24
$1.17
$-0.25
Q3 24
$0.60
$-0.09
Q2 24
$0.32
$-0.08

Balance Sheet & Financial Strength

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

Metric
INSP
INSP
PDM
PDM
Cash + ST InvestmentsLiquidity on hand
$308.3M
$2.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$781.2M
$1.5B
Total Assets
$907.3M
$4.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
INSP
INSP
PDM
PDM
Q1 26
$2.3M
Q4 25
$308.3M
$731.0K
Q3 25
$322.6M
$3.0M
Q2 25
$300.9M
$3.3M
Q1 25
$369.2M
$2.9M
Q4 24
$445.5M
$109.6M
Q3 24
$411.0M
$133.6M
Q2 24
$439.7M
$138.5M
Total Debt
INSP
INSP
PDM
PDM
Q1 26
Q4 25
$2.2B
Q3 25
$2.2B
Q2 25
$2.2B
Q1 25
$2.2B
Q4 24
$2.2B
Q3 24
$2.2B
Q2 24
$2.2B
Stockholders' Equity
INSP
INSP
PDM
PDM
Q1 26
$1.5B
Q4 25
$781.2M
$1.5B
Q3 25
$666.5M
$1.5B
Q2 25
$677.8M
$1.5B
Q1 25
$635.7M
$1.6B
Q4 24
$689.7M
$1.6B
Q3 24
$696.6M
$1.6B
Q2 24
$638.1M
$1.7B
Total Assets
INSP
INSP
PDM
PDM
Q1 26
$4.0B
Q4 25
$907.3M
$4.0B
Q3 25
$807.7M
$4.0B
Q2 25
$802.2M
$4.0B
Q1 25
$730.8M
$4.0B
Q4 24
$808.4M
$4.1B
Q3 24
$796.2M
$4.1B
Q2 24
$728.4M
$4.2B
Debt / Equity
INSP
INSP
PDM
PDM
Q1 26
Q4 25
1.49×
Q3 25
1.43×
Q2 25
1.41×
Q1 25
1.40×
Q4 24
1.40×
Q3 24
1.36×
Q2 24
1.34×

Cash Flow & Capital Efficiency

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

Metric
INSP
INSP
PDM
PDM
Operating Cash FlowLast quarter
$52.5M
Free Cash FlowOCF − Capex
$41.8M
FCF MarginFCF / Revenue
15.5%
Capex IntensityCapex / Revenue
4.0%
110.3%
Cash ConversionOCF / Net Profit
0.39×
TTM Free Cash FlowTrailing 4 quarters
$78.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
INSP
INSP
PDM
PDM
Q1 26
Q4 25
$52.5M
$140.6M
Q3 25
$68.5M
$35.8M
Q2 25
$2.7M
$50.1M
Q1 25
$-6.7M
$3.7M
Q4 24
$69.2M
$198.1M
Q3 24
$52.3M
$42.9M
Q2 24
$-78.0K
$66.8M
Free Cash Flow
INSP
INSP
PDM
PDM
Q1 26
Q4 25
$41.8M
Q3 25
$58.1M
Q2 25
$-6.3M
Q1 25
$-15.1M
Q4 24
$62.2M
Q3 24
$44.3M
Q2 24
$-12.5M
FCF Margin
INSP
INSP
PDM
PDM
Q1 26
Q4 25
15.5%
Q3 25
25.9%
Q2 25
-2.9%
Q1 25
-7.5%
Q4 24
25.9%
Q3 24
21.8%
Q2 24
-6.4%
Capex Intensity
INSP
INSP
PDM
PDM
Q1 26
110.3%
Q4 25
4.0%
Q3 25
4.6%
Q2 25
4.1%
Q1 25
4.2%
Q4 24
2.9%
Q3 24
3.9%
Q2 24
6.3%
Cash Conversion
INSP
INSP
PDM
PDM
Q1 26
Q4 25
0.39×
Q3 25
6.90×
Q2 25
Q1 25
-2.24×
Q4 24
1.96×
Q3 24
2.83×
Q2 24
-0.01×

Financial Flow Comparison

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

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