Phathom Pharmaceuticals (PHAT) Operating Expenses (2018 - 2026)

Phathom Pharmaceuticals (PHAT) reported Operating Expenses of $61.8 million for Q1 2026, down 40.4% year-over-year from $103.7 million in Q1 2025, and up 10.59% quarter-over-quarter from $55.9 million in Q4 2025.

Phathom Pharmaceuticals (PHAT) Operating Expenses (2018 - 2026) Analysis & Trends

Phathom Pharmaceuticals (PHAT) has 9 years of Operating Expenses data on file, last reported at $61.8 million in Q1 2026.

  • Operating Expenses for Q1 2026 came in at $61.8 million, down 40.4% year-over-year; the trailing twelve-month figure through Mar 2026 was $270.6 million (down 24.19% YoY), and the FY2025 annual result was $312.5 million, down 3.77% from the prior year.
  • Operating Expenses rose to $61.8 million in Q1 2026 per PHAT's latest filing, from $55.9 million in the prior quarter.
  • Over five years, Operating Expenses peaked at $103.7 million in Q1 2025 and troughed at $30.1 million in Q1 2023.
  • A 5-year average of $61.1 million and a median of $58.6 million in 2025 frame the typical range for Operating Expenses.
  • The sharpest annual moves came in 2024 and 2026: Operating Expenses soared 162.6% in 2024, then slumped 40.4% in 2026.
  • A 5-year view of Operating Expenses shows it stood at $46.6 million in 2022, then jumped by 50.92% to $70.4 million in 2023, then grew by 21.13% to $85.3 million in 2024, then slumped by 34.48% to $55.9 million in 2025, then grew by 10.59% to $61.8 million in 2026.
  • Business Quant data shows PHAT's Operating Expenses at $61.8 million in Q1 2026, $55.9 million in Q4 2025, and $58.6 million in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Opex (Qtr)
1 Alterity Therapeutics 925,601.88 Bn 925,601.85 Bn - 4.33 Mn
2 Belite Bio 58,560.00 Bn 58,560.00 Bn - 32.68 Mn
3 Quantum Biopharma 17,284.41 Bn 17,284.40 Bn - 2.97 Mn
4 Legend Biotech 2,809.00 Bn 2,808.71 Bn 242.10 Mn -138.30 Mn
5 Evaxion A 1,334.43 Bn 1,334.42 Bn - -3.82 Mn
6 Akari Therapeutics 1,312.27 Bn 1,312.26 Bn - 15.76 Mn
7 Psyence Biomedical 212.16 Bn 212.16 Bn - 574,669.00
8 Vertex Pharmaceuticals 114.83 Bn 107.58 Bn 2.59 Bn 1.85 Bn
9 Abivax 91.96 Bn 91.96 Bn - -67.40 Mn
10 Phathom Pharmaceuticals 895.99 Mn 712.23 Mn 46.31 Mn 61.78 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 61.78 Mn
Dec 31, 2025 55.86 Mn
Sep 30, 2025 58.59 Mn
Jun 30, 2025 94.39 Mn
Mar 31, 2025 103.66 Mn
Dec 31, 2024 85.27 Mn
Sep 30, 2024 84.79 Mn
Jun 30, 2024 83.25 Mn
Mar 31, 2024 71.44 Mn
Dec 31, 2023 70.39 Mn
Sep 30, 2023 35.66 Mn
Jun 30, 2023 31.70 Mn
Mar 31, 2023 30.08 Mn
Dec 31, 2022 46.64 Mn
Sep 30, 2022 42.53 Mn
Jun 30, 2022 45.36 Mn
Mar 31, 2022 37.91 Mn
Dec 31, 2021 33.04 Mn
Sep 30, 2021 33.14 Mn
Jun 30, 2021 35.32 Mn