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Inspire Medical Systems, Inc. INSP

NYSE · stock · Surgical & Medical Instruments & Apparatus · website · IPO 2018-05-03 · LEI

Inspire Medical Systems, Inc. statistics & valuation

Market cap$1.3B
P / E9.1×
P / S1.4×
P / B1.7×
P / FCF16.8×
Net margin15.9%
Return on equity18.6%
FCF margin8.6%
Return on capital6.3%
Graham number -7.8%$53.74

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports. The Graham number is Benjamin Graham's rough maximum fair value ($53.74); a green figure means the price is below it.

Profitability & efficiency

Net margin (%)
-61.30% -43.10% -40.50% -49.60% -18.00% -11.00% -3.40% 6.70% 15.90% 201720182019202020212022202320242025
Gross margin (%)
78.90% 80.10% 83.40% 84.70% 85.70% 83.80% 84.50% 84.70% 85.40% 201720182019202020212022202320242025
Operating margin (%)
-56.00% -40.30% -42.50% -48.70% -17.10% -11.70% -6.40% 4.50% 5.60% 201720182019202020212022202320242025
Return on equity (%)
-1319.60% -13.30% -23.80% -24.90% -18.40% -9.00% -3.70% 7.80% 18.60% 201720182019202020212022202320242025
Shares outstanding
1.3M 23.4M 24.1M 27.1M 27.4M 29.0M 29.6M 30.5M 29.8M 201720182019202020212022202320242025
Net debt ($)
-$72.8M $1.6M -$166.0M -$190.0M 201720182019202020212022202320242025
Share buybacks ($)
201720182019202020212022202320242025
Return on assets (%)
-69.80% -10.90% -18.30% -20.30% -14.20% -7.90% -3.10% 6.60% 16.00% 201720182019202020212022202320242025
Free cash flow margin (%)
-56.70% -37.40% -43.40% -48.10% -10.60% 0.60% 0.20% 11.40% 8.60% 201720182019202020212022202320242025
Debt / equity (×)
0.15× 0.18× 0.11× 0.11× 201720182019202020212022202320242025
EPS ($)
-$1.40 -$2.19 -$1.54 -$1.60 -$0.72 $1.75 $4.89 201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017
Gross margin85.4%84.7%84.5%83.8%85.7%84.7%83.4%80.1%78.9%
Operating margin5.6%4.5%-6.4%-11.7%-17.1%-48.7%-42.5%-40.3%-56.0%
Net margin15.9%6.7%-3.4%-11.0%-18.0%-49.6%-40.5%-43.1%-61.3%
FCF margin8.6%11.4%0.2%0.6%-10.6%-48.1%-43.4%-37.4%-56.7%
Return on assets16.0%6.6%-3.1%-7.9%-14.2%-20.3%-18.3%-10.9%-69.8%
Return on equity18.6%7.8%-3.7%-9.0%-18.4%-24.9%-23.8%-13.3%-1319.6%
Debt / equity————0.11×0.11×0.18×0.15×—
Current ratio6.087.137.608.666.5013.0210.1217.863.37

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.