Septerna (SEPN) Tax Rate (2024 - 2026)

Septerna (SEPN) recorded quarterly Tax Rate of 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.

  • In Q1 2026, Tax Rate changed N/A year-over-year to 4.06%; the TTM figure through Mar 2026 stood at 0.98% (down 121.0% YoY), while the FY2025 annual figure was 0.02%, down 71.0% from the prior year.
  • Tax Rate was 4.06% for Q1 2026 at Septerna, down from 0.11% in the prior quarter.
  • In the past five years, Tax Rate ranged from a high of 0.77% in Q4 2024 to a low of 4.06% in Q1 2026.
  • Historically, Tax Rate has averaged 0.68% across 3 years, with a median of 0.38% in 2024.
  • Biggest YoY gain for Tax Rate was 88 bps in 2025; the steepest drop was 88 bps in 2025.
  • A 3-year view of Tax Rate shows it stood at 0.77% in 2024, then slumped by 115 bps to 0.11% in 2025, then plunged by 3529 bps to 4.06% in 2026.
  • The last three Tax Rate figures came in at 4.06% (Q1 2026), 0.11% (Q4 2025), and 0.77% (Q4 2024), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Alterity Therapeutics 925,601.88 Bn 925,601.85 Bn - -
2 Belite Bio 58,560.00 Bn 58,560.00 Bn - -
3 Quantum Biopharma 17,284.41 Bn 17,284.40 Bn - -
4 Legend Biotech 2,809.00 Bn 2,808.71 Bn 242.10 Mn -57.14
5 Evaxion A 1,334.43 Bn 1,334.42 Bn - -6.79
6 Akari Therapeutics 1,312.27 Bn 1,312.26 Bn - 5.61
7 Psyence Biomedical 212.16 Bn 212.16 Bn - -
8 Vertex Pharmaceuticals 114.83 Bn 107.58 Bn 2.59 Bn 17.68
9 Abivax 91.96 Bn 91.96 Bn - -
10 Septerna 1.62 Bn 1.62 Bn - -4.06

Historic Data

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