Karyopharm Therapeutics (KPTI) Tax Rate (2024)
Karyopharm Therapeutics (KPTI) recorded Tax Rate of 0.07% in Q4 2025, down 0.29 percentage points from 0.35% a year earlier but up 0.17 percentage points from the prior quarter.
Karyopharm Therapeutics (KPTI) Tax Rate (2024) Analysis & Trends
For FY2025, Karyopharm Therapeutics reported Tax Rate of -0.02%, up 0.05 percentage points from FY2024.
- Annual Tax Rate has increased for three straight years, with a five-year change of +0.14 percentage points (FY2020 to FY2025).
- Across earlier years, Tax Rate came in at -0.07% in FY2024 (+0.15 pp), -0.23% in FY2023 (+0.02 pp), -0.24% in FY2022 (unchanged) and -0.24% in FY2021 (-0.08 pp).
- Quarterly Tax Rate has ranged from -0.39% in Q2 2023 to 0.35% in Q4 2024 over the past five years.
- On a year-over-year basis, Tax Rate has declined for three consecutive quarters, with an average year-over-year change of +0.07 percentage points over the last eight quarters.
- Peak year-over-year performance for Tax Rate in the last five years was a gain of 0.67 percentage points in Q2 2024, against a drop of 0.39 percentage points in Q2 2025 at the low end.
- Per Business Quant, the preceding three quarters came in at -0.10% (Q3 2025), -0.11% (Q2 2025) and -0.15% (Q1 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 638.12 Bn | 556.64 Bn | 17.26 Bn | 17.98% |
| 2 | AbbVie | 462.60 Bn | 435.75 Bn | 12.70 Bn | 15.47% |
| 3 | Merck | 358.70 Bn | 313.13 Bn | 12.21 Bn | - |
| 4 | Novartis Ag | 272.16 Bn | 228.03 Bn | 11.24 Bn | - |
| 5 | Astrazeneca | 250.36 Bn | 223.92 Bn | 12.86 Bn | - |
| 6 | Amgen | 227.87 Bn | 183.27 Bn | 7.24 Bn | 14.20% |
| 7 | Gilead Sciences | 184.97 Bn | 159.08 Bn | 6.22 Bn | - |
| 8 | Pfizer | 162.61 Bn | 109.56 Bn | 10.94 Bn | - |
| 9 | Vertex Pharmaceuticals | 132.45 Bn | 104.46 Bn | 2.84 Bn | 20.98% |
| 10 | Karyopharm Therapeutics | 35.30 Mn | -191.12 Mn | 32.35 Mn | - |
Karyopharm Therapeutics 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=KPTI&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "KPTI", "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=KPTI&period=max&api_key=YOUR_API_KEY");
const data = await res.json();