Septerna (SEPN) Tax Rate (2024 - 2026)

Septerna's (SEPN) quarterly Tax Rate came in at 4.06% in Q1 2026, down 3529.18% quarter-over-quarter from 0.11% in Q4 2025.

Septerna (SEPN) Tax Rate (2024 - 2026) Analysis & Trends

Septerna's Tax Rate history runs 3 years deep, the most recent figure standing at 4.06% for Q1 2026.

  • On a quarterly basis, Tax Rate changed N/A year-over-year to 4.06% in Q1 2026; TTM through Mar 2026 was 0.98%, a 121.0% decrease from a year earlier, with the FY2025 full-year figure at 0.02%, down 71.0% from the prior year.
  • Tax Rate slipped to 4.06% in Q1 2026 per SEPN's latest filing, from 0.11% in the prior quarter.
  • Across five years, Tax Rate topped out at 0.77% in Q4 2024 and bottomed at 4.06% in Q1 2026.
  • The 3-year median for Tax Rate is 0.38% (2024), against an average of 0.68%.
  • Biggest YoY gain for Tax Rate was 88 bps in 2025; the steepest drop was 88 bps in 2025.
  • Year by year, Tax Rate stood at 0.77% in 2024, then plunged by 115 bps to 0.11% in 2025, then slumped by 3529 bps to 4.06% in 2026.
  • Per Business Quant, the three latest SEPN Tax Rate figures stand at 4.06% (Q1 2026), 0.11% (Q4 2025), and 0.77% (Q4 2024).

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Oculis Holding AG 67,072.09 Bn 67,072.09 Bn - -0.34
2 Nanobiotix 1,894.61 Bn 1,894.55 Bn - -
3 Akari Therapeutics 1,014.18 Bn 1,014.18 Bn - 5.61
4 BeOne Medicines 471.64 Bn 466.85 Bn 1.35 Bn 12.29
5 Vertex Pharmaceuticals 121.72 Bn 114.47 Bn 2.59 Bn 17.68
6 Regeneron Pharmaceuticals 68.28 Bn 59.52 Bn 3.31 Bn 12.51
7 Belite Bio 61.40 Bn 61.40 Bn - -
8 Argenx Se 56.94 Bn 56.94 Bn 1.18 Bn -13.70
9 Revolution Medicines 37.37 Bn 37.37 Bn - -
10 Septerna 1.48 Bn 1.48 Bn - -4.06

Historic Data

Download Data
DateValue
Mar 31, 2026 -4.06%
Mar 31, 2026 -4.06%
Mar 31, 2026 -4.06%
Dec 31, 2025 -0.11%
Dec 31, 2025 -0.11%
Dec 31, 2025 -0.11%
Dec 31, 2024 0.77%
Dec 31, 2024 0.77%
Dec 31, 2024 0.77%
Sep 30, 2024 0.66%
Sep 30, 2024 0.66%
Sep 30, 2024 0.66%
Jun 30, 2024 -0.66%
Jun 30, 2024 -0.66%
Jun 30, 2024 -0.66%
Mar 31, 2024 -0.65%
Mar 31, 2024 -0.65%
Mar 31, 2024 -0.65%