Mirum Pharmaceuticals (MIRM) Tax Rate (2021)
Mirum Pharmaceuticals (MIRM) recorded Tax Rate of -2.58% in Q2 2026, up 4.79 percentage points from -7.36% a year earlier but down 2.52 percentage points from the prior quarter.
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Analysis
Mirum Pharmaceuticals (MIRM) Tax Rate (2021) Analysis & Trends
On a TTM basis, Mirum Pharmaceuticals' Tax Rate came in at -0.31% as of Jun 30, 2026, up 1.78 percentage points year-over-year; for FY2025, it came in at -9.04%, down 7.85 percentage points from FY2024.
- Annual Tax Rate has declined for three straight years, with a five-year change of -9.03 percentage points (FY2020 to FY2025).
- Across earlier years, Tax Rate came in at -1.19% in FY2024 (-0.57 pp), -0.61% in FY2023 (-5.12 pp), 4.51% in FY2022 (+4.55 pp) and -0.04% in FY2021 (-0.04 pp).
- Quarterly Tax Rate has ranged from -15.45% in Q4 2025 to 19.62% in Q2 2022 over the past five years.
- On a year-over-year basis, Tax Rate rose in three of the last eight quarters, with an average year-over-year change of -2.64 percentage points.
- Peak year-over-year performance for Tax Rate in the last five years was a gain of 19.64 percentage points in Q2 2022, against a drop of 20.05 percentage points in Q2 2023 at the low end.
- Per Business Quant, the preceding three quarters came in at -0.06% (Q1 2026), -15.45% (Q4 2025) and -9.91% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 645.01 Bn | 563.54 Bn | 17.26 Bn | 17.98% |
| 2 | AbbVie | 465.23 Bn | 438.39 Bn | 12.70 Bn | 15.47% |
| 3 | Merck | 368.40 Bn | 322.83 Bn | 12.21 Bn | - |
| 4 | Novartis Ag | 278.02 Bn | 233.89 Bn | 11.24 Bn | - |
| 5 | Astrazeneca | 254.57 Bn | 228.13 Bn | 12.86 Bn | - |
| 6 | Amgen | 229.02 Bn | 184.42 Bn | 7.24 Bn | 14.20% |
| 7 | Gilead Sciences | 187.74 Bn | 161.85 Bn | 6.22 Bn | - |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | - |
| 9 | Vertex Pharmaceuticals | 133.45 Bn | 105.45 Bn | 2.84 Bn | 20.98% |
| 10 | Mirum Pharmaceuticals | 5.67 Bn | 4.09 Bn | 145.90 Mn | - |
API Access
Mirum Pharmaceuticals Tax Rate 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=tax-rate&ticker=MIRM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "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=tax-rate&ticker=MIRM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();