Mirum Pharmaceuticals (MIRM) Operating Margin (2021 - 2026)
Mirum Pharmaceuticals (MIRM) recorded Operating Margin of -24.14% in Q2 2026, down 20.23 percentage points from -3.90% a year earlier but up 469.64 percentage points from the prior quarter.
Mirum Pharmaceuticals (MIRM) Operating Margin (2021 - 2026) Analysis & Trends
On a TTM basis, Mirum Pharmaceuticals' Operating Margin came in at -134.93% as of Jun 30, 2026, down 121.63 percentage points year-over-year; for FY2025, it came in at -4.25%, up 21.76 percentage points from FY2024.
- Annual Operating Margin has increased for four straight years, with a four-year change of +901.87 percentage points (FY2021 to FY2025).
- Across earlier years, Operating Margin came in at -26.00% in FY2024 (+32.56 pp), -58.57% in FY2023 (+111.71 pp), -170.28% in FY2022 (+735.84 pp) and -906.12% in FY2021.
- Quarterly Operating Margin has ranged from -1452.36% in Q4 2021 to 1.96% in Q3 2025 over the past five years.
- On a year-over-year basis, Operating Margin rose in six of the last eight quarters, with an average year-over-year change of -43.77 percentage points.
- Peak year-over-year performance for Operating Margin in the last five years was a gain of 1329.94 percentage points in Q4 2022, against a drop of 480.17 percentage points in Q1 2026 at the low end.
- Per Business Quant, the preceding three quarters came in at -493.78% (Q1 2026), -3.07% (Q4 2025) and 1.96% (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 655.56 Bn | 574.09 Bn | 17.26 Bn | 28.21% |
| 2 | AbbVie | 470.94 Bn | 444.10 Bn | 12.70 Bn | 37.86% |
| 3 | Merck | 367.14 Bn | 321.57 Bn | 12.21 Bn | -3.52% |
| 4 | Novartis Ag | 280.33 Bn | 236.20 Bn | 11.24 Bn | 32.97% |
| 5 | Astrazeneca | 257.78 Bn | 231.34 Bn | 12.86 Bn | 20.57% |
| 6 | Amgen | 226.04 Bn | 181.44 Bn | 7.24 Bn | 34.95% |
| 7 | Gilead Sciences | 188.89 Bn | 163.01 Bn | 6.22 Bn | -133.21% |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | 28.37% |
| 9 | Vertex Pharmaceuticals | 133.68 Bn | 105.69 Bn | 2.84 Bn | 37.40% |
| 10 | Mirum Pharmaceuticals | 5.70 Bn | 4.11 Bn | 145.90 Mn | -24.14% |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -24.14% |
| Mar 31, 2026 | -493.78% |
| Dec 31, 2025 | -3.07% |
| Sep 30, 2025 | 1.96% |
| Jun 30, 2025 | -3.90% |
| Mar 31, 2025 | -13.61% |
| Dec 31, 2024 | -24.36% |
| Sep 30, 2024 | -14.03% |
| Jun 30, 2024 | -31.12% |
| Mar 31, 2024 | -38.24% |
| Dec 31, 2023 | -46.85% |
| Sep 30, 2023 | -52.69% |
| Jun 30, 2023 | -64.73% |
| Mar 31, 2023 | -85.92% |
| Dec 31, 2022 | -122.41% |
| Sep 30, 2022 | -175.09% |
| Jun 30, 2022 | -179.83% |
| Mar 31, 2022 | -253.92% |
| Dec 31, 2021 | -1,452.36% |
| Sep 30, 2021 | -856.48% |
Mirum Pharmaceuticals Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=MIRM&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "MIRM", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=MIRM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();