Protagonist Therapeutics (PTGX) Interest & Investment Income (2015 - 2026)

Protagonist Therapeutics' (PTGX) quarterly Interest & Investment Income came in at $5.9 million in Q1 2026, down 22.41% year-on-year from $7.6 million in Q1 2025, and down 13.09% quarter-over-quarter from $6.8 million in Q4 2025.

Protagonist Therapeutics (PTGX) Interest & Investment Income (2015 - 2026) Analysis & Trends

Protagonist Therapeutics has disclosed Interest & Investment Income across 12 years of filings, most recently posting $5.9 million for Q1 2026.

  • Interest & Investment Income for Q1 2026 came in at $5.9 million, down 22.41% year-over-year; the trailing twelve-month figure through Mar 2026 was $27.1 million (down 8.2% YoY), and the FY2025 annual result was $28.8 million, up 9.4% from the prior year.
  • Interest & Investment Income came in at $5.9 million for Q1 2026 at Protagonist Therapeutics, down from $6.8 million in the prior quarter.
  • In the past five years, Interest & Investment Income ranged from a high of $7.7 million in Q3 2024 to a low of $168000.0 in Q1 2022.
  • The 5-year median for Interest & Investment Income is $4.4 million (2024), against an average of $4.7 million.
  • Across the five-year window, Interest & Investment Income jumped 1745.08% in 2022 and declined 22.41% in 2026, its largest moves.
  • Protagonist Therapeutics' Interest & Investment Income stood at $2.3 million in 2022, then soared by 88.45% to $4.2 million in 2023, then surged by 61.55% to $6.9 million in 2024, then slipped by 1.34% to $6.8 million in 2025, then declined by 13.09% to $5.9 million in 2026.
  • The last three Interest & Investment Income figures came in at $5.9 million (Q1 2026), $6.8 million (Q4 2025), and $7.0 million (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Int & Inv Inc (Qtr)
1 Alterity Therapeutics 925,601.88 Bn 925,601.85 Bn - 597,319.59
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 40.10 Mn
5 Evaxion A 1,334.43 Bn 1,334.42 Bn - 305,000.00
6 Akari Therapeutics 1,312.27 Bn 1,312.26 Bn - -
7 Psyence Biomedical 212.16 Bn 212.16 Bn - 103,341.00
8 Vertex Pharmaceuticals 114.83 Bn 107.58 Bn 2.59 Bn 114.80 Mn
9 Abivax 91.96 Bn 91.96 Bn - -14.79 Mn
10 Protagonist Therapeutics 7.35 Bn 7.35 Bn - 5.88 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 5.88 Mn
Dec 31, 2025 6.76 Mn
Sep 30, 2025 7.05 Mn
Jun 30, 2025 7.41 Mn
Mar 31, 2025 7.57 Mn
Dec 31, 2024 6.85 Mn
Sep 30, 2024 7.68 Mn
Jun 30, 2024 7.40 Mn
Mar 31, 2024 4.38 Mn
Dec 31, 2023 4.24 Mn
Sep 30, 2023 4.25 Mn
Jun 30, 2023 3.91 Mn
Mar 31, 2023 2.49 Mn
Dec 31, 2022 2.25 Mn
Sep 30, 2022 1.16 Mn
Jun 30, 2022 484,000.00
Mar 31, 2022 168,000.00
Dec 31, 2021 122,000.00
Sep 30, 2021 122,000.00
Jun 30, 2021 97,000.00