Karyopharm Therapeutics KPTI
NASDAQ KPTI
$1.96 +0.14 (+7.69%)
At close: Aug 21, 2026 · 4:00 PM EDT

Karyopharm Therapeutics (KPTI) Tax Rate (2017 - 2025)

Karyopharm Therapeutics' (KPTI) quarterly Tax Rate came in at 45.79% in Q4 2025, down 4556.0% YoY from 1.03% in Q4 2024, and down 44472.77% on a QoQ basis from 0.1% in Q3 2025.

Karyopharm Therapeutics (KPTI) Tax Rate (2017 - 2025) Analysis & Trends

Karyopharm Therapeutics (KPTI) has 9 years of Tax Rate data on file, last reported at 45.79% in Q4 2025.

  • Quarterly Tax Rate fell 4556.0% year-over-year to 45.79% in Q4 2025, while the trailing twelve-month figure through Dec 2025 was 1139.19% (up 106794.0% YoY) and the FY2025 annual result came in at 1139.19%, up 106794.0% from the prior year.
  • Tax Rate eased to 45.79% in Q4 2025, from 0.1% in the prior quarter.
  • In the past five years, Tax Rate ranged from a high of 0.28% in Q2 2024 to a low of 45.79% in Q4 2025.
  • A 5-year average of 2.44% and a median of 0.2% in 2021 frame the typical range for Tax Rate.
  • Annual changes were most pronounced in 2024 — Tax Rate surged 67 bps — and 2025, when it slumped 4556 bps.
  • Tracing KPTI's Tax Rate over 5 years: stood at 0.31% in 2021, then grew by 16 bps to 0.26% in 2022, then surged by 149 bps to 0.13% in 2023, then sank by 286 bps to 0.24% in 2024, then sank by 19040 bps to 45.79% in 2025.
  • The last three Tax Rate figures came in at 45.79% (Q4 2025), 0.1% (Q3 2025), and 0.11% (Q2 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Vertex Pharmaceuticals 139.13 Bn 131.28 Bn 2.84 Bn 20.98%
2 Regeneron Pharmaceuticals 85.77 Bn 77.77 Bn 3.93 Bn 15.11%
3 Argenx Se 64.64 Bn 59.46 Bn 1.37 Bn 10.91%
4 Moderna 58.29 Bn 53.16 Bn 52.00 Mn -1.96%
5 BeOne Medicines 41.92 Bn 36.82 Bn 1.53 Bn 24.15%
6 Alnylam Pharmaceuticals 31.58 Bn 28.28 Bn 992.69 Mn 7.49%
7 BioNTech SE 28.12 Bn 9.73 Bn 668.28 Mn 34.12%
8 Insmed 27.39 Bn 26.22 Bn 358.27 Mn -16.71%
9 Royalty Pharma 27.27 Bn 26.43 Bn - -
10 Karyopharm Therapeutics 56.72 Mn 56.72 Mn 32.35 Mn -

Historic Data

Download Data
DateValue
Dec 31, 2025 -45.79%
Dec 31, 2025 -45.79%
Dec 31, 2025 -45.79%
Sep 30, 2025 -0.10%
Sep 30, 2025 -0.10%
Sep 30, 2025 -0.10%
Jun 30, 2025 -0.11%
Jun 30, 2025 -0.11%
Jun 30, 2025 -0.11%
Mar 31, 2025 -0.15%
Mar 31, 2025 -0.15%
Mar 31, 2025 -0.15%
Dec 31, 2024 -0.24%
Dec 31, 2024 -0.24%
Dec 31, 2024 -0.24%
Sep 30, 2024 -0.09%
Sep 30, 2024 -0.09%
Sep 30, 2024 -0.09%
Jun 30, 2024 0.28%
Jun 30, 2024 0.28%