GLAUKOS Corp (GKOS) stock
GKOSNYSESurgical & Medical Instruments & ApparatusFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 28, 2026Score 7/30219% above fair value
$245.72−0.31 (-0.13%)
Close on Nov 13, 2026Market cap $14.55BP/E –Yield –
Glaukos operating margin
Operating margin is operating income as a percentage of revenue.
Glaukos's operating margin for the twelve months ending Sep 30, 2026 was -25.5%. For fiscal 2025 it was -39.3%, against -31.9% the year before. The highest annual figure on record is 3.7% in fiscal 2016.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | -39.3% | −7.4 |
| FY2024 | Dec 31, 2024 | -31.9% | +9.0 |
| FY2023 | Dec 31, 2023 | -40.9% | −11.8 |
| FY2022 | Dec 31, 2022 | -29.1% | −17.9 |
| FY2021 | Dec 31, 2021 | -11.2% | +43.7 |
| FY2020 | Dec 31, 2020 | -54.9% | −33.7 |
| FY2019 | Dec 31, 2019 | -21.2% | −14.0 |
| FY2018 | Dec 31, 2018 | -7.2% | −5.7 |
| FY2017 | Dec 31, 2017 | -1.4% | −5.1 |
| FY2016 | Dec 31, 2016 | 3.7% | +18.1 |
| FY2015 | Dec 31, 2015 | -14.4% | +14.5 |
| FY2014 | Dec 31, 2014 | -28.9% | +38.9 |
| FY2013 | Dec 31, 2013 | -67.8% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | 0.4% | +12.6 |
| Q2 FY2026 | Jun 30, 2026 | -9.3% | +9.0 |
| Q1 FY2026 | Mar 31, 2026 | -13.2% | +6.2 |
| Q4 FY2025 | Dec 31, 2025 | -97.7% | −70.6 |
| Q3 FY2025 | Sep 30, 2025 | -12.3% | +13.3 |
| Q2 FY2025 | Jun 30, 2025 | -18.3% | +13.0 |
| Q1 FY2025 | Mar 31, 2025 | -19.4% | +26.2 |
| Q4 FY2024 | Dec 31, 2024 | -27.2% | +19.7 |
| Q3 FY2024 | Sep 30, 2024 | -25.5% | +10.4 |
| Q2 FY2024 | Jun 30, 2024 | -31.3% | +4.8 |
| Q1 FY2024 | Mar 31, 2024 | -45.6% | −1.0 |
| Q4 FY2023 | Dec 31, 2023 | -46.9% | +0.5 |
| Q3 FY2023 | Sep 30, 2023 | -35.9% | −5.6 |
| Q2 FY2023 | Jun 30, 2023 | -36.2% | +14.4 |
| Q1 FY2023 | Mar 31, 2023 | -44.6% | −59.1 |
| Q4 FY2022 | Dec 31, 2022 | -47.4% | −23.0 |
| Q3 FY2022 | Sep 30, 2022 | -30.3% | −45.1 |
| Q2 FY2022 | Jun 30, 2022 | -50.6% | −32.4 |
| Q1 FY2022 | Mar 31, 2022 | 14.5% | +31.8 |
| Q4 FY2021 | Dec 31, 2021 | -24.4% | −8.8 |
| Q3 FY2021 | Sep 30, 2021 | 14.8% | +33.8 |
| Q2 FY2021 | Jun 30, 2021 | -18.2% | +131.3 |
| Q1 FY2021 | Mar 31, 2021 | -17.4% | +77.7 |
| Q4 FY2020 | Dec 31, 2020 | -15.6% | +29.5 |
| Q3 FY2020 | Sep 30, 2020 | -19.1% | +2.2 |
| Q2 FY2020 | Jun 30, 2020 | -149.6% | −138.9 |
| Q1 FY2020 | Mar 31, 2020 | -95.1% | −91.5 |
| Q4 FY2019 | Dec 31, 2019 | -45.1% | −48.6 |
| Q3 FY2019 | Sep 30, 2019 | -21.2% | −5.4 |
| Q2 FY2019 | Jun 30, 2019 | -10.6% | −0.8 |
| Q1 FY2019 | Mar 31, 2019 | -3.6% | +5.7 |
| Q4 FY2018 | Dec 31, 2018 | 3.5% | +2.2 |
| Q3 FY2018 | Sep 30, 2018 | -15.8% | −17.6 |
| Q2 FY2018 | Jun 30, 2018 | -9.8% | −0.5 |
| Q1 FY2018 | Mar 31, 2018 | -9.3% | −10.1 |
| Q4 FY2017 | Dec 31, 2017 | 1.3% | −0.1 |
| Q3 FY2017 | Sep 30, 2017 | 1.9% | – |
| Q2 FY2017 | Jun 30, 2017 | -9.4% | – |
| Q1 FY2017 | Mar 31, 2017 | 0.8% | – |
| Q4 FY2016 | Dec 31, 2016 | 1.4% | – |
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