Prothena Corp Public (PRTA) Treasury Shares (2022 - 2026)

Prothena Corp Public's (PRTA) quarterly Treasury Shares came in at $1.6 million in Q1 2026, up 433.98% year-on-year from $290509.0 in Q1 2025, and up 42.22% quarter-over-quarter from $1.1 million in Q4 2025.

Prothena Corp Public (PRTA) Treasury Shares (2022 - 2026) Analysis & Trends

Prothena Corp Public's Treasury Shares history runs 5 years deep, the most recent figure standing at $1.6 million for Q1 2026.

  • On a quarterly basis, Treasury Shares rose 433.98% year-over-year to $1.6 million in Q1 2026; TTM through Mar 2026 was $1.6 million, a 433.98% increase from a year earlier, with the FY2025 full-year figure at $1.1 million, up 18079.63% from the prior year.
  • Treasury Shares rose to $1.6 million in Q1 2026 per PRTA's latest filing, from $1.1 million in the prior quarter.
  • Across five years, Treasury Shares topped out at $1.6 million in Q1 2026 and bottomed at $6000.0 in Q4 2024.
  • The 5-year median for Treasury Shares is $25250.0 (2023), against an average of $325042.7.
  • Across the five-year window, Treasury Shares tumbled 76.24% in 2024 and soared 18079.63% in 2025, its largest moves.
  • Year by year, Treasury Shares stood at $23000.0 in 2022, then increased by 9.78% to $25250.0 in 2023, then tumbled by 76.24% to $6000.0 in 2024, then surged by 18079.63% to $1.1 million in 2025, then jumped by 42.22% to $1.6 million in 2026.
  • Per Business Quant, the three latest PRTA Treasury Shares figures stand at $1.6 million (Q1 2026), $1.1 million (Q4 2025), and $1.1 million (Q3 2025).

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Treasury Shares (Qtr)
1 Oculis Holding AG 68,785.72 Bn 68,785.72 Bn - -21,709.08
2 Nanobiotix 1,895.57 Bn 1,895.51 Bn - 265,401.92
3 BeOne Medicines 471.35 Bn 466.56 Bn 1.35 Bn -
4 NuCana 279.75 Bn 279.75 Bn - -
5 Vertex Pharmaceuticals 120.24 Bn 113.00 Bn 2.59 Bn -
6 Regeneron Pharmaceuticals 67.80 Bn 59.04 Bn 3.31 Bn 19.41 Bn
7 Belite Bio 62.51 Bn 62.51 Bn - -
8 Argenx Se 57.38 Bn 57.38 Bn 1.41 Bn -
9 Revolution Medicines 37.78 Bn 37.78 Bn - 5.14 Mn
10 Prothena Corp Public 458.13 Mn 128.67 Mn - 1.55 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 1.55 Mn
Mar 31, 2026 1.55 Mn
Dec 31, 2025 1.09 Mn
Dec 31, 2025 1.09 Mn
Sep 30, 2025 1.13 Mn
Sep 30, 2025 1.13 Mn
Jun 30, 2025 283,307.00
Jun 30, 2025 283,307.00
Mar 31, 2025 290,509.00
Mar 31, 2025 290,509.00
Dec 31, 2024 6,000.00
Dec 31, 2024 6,000.00
Sep 30, 2024 24,250.00
Sep 30, 2024 24,250.00
Jun 30, 2024 25,250.00
Jun 30, 2024 25,250.00
Mar 31, 2024 25,250.00
Mar 31, 2024 25,250.00
Dec 31, 2023 25,250.00
Dec 31, 2023 25,250.00