1. Prothena Corporation plc
  2. Prothena Corporation plc Ownership

Historical shareholding details of State Street Russell Small Cap® Index holdings in Prothena Corporation plc (PRTA)

Monthly changes of State Street Russell Small Cap® Index shareholding in Prothena Corporation plc over the previous months

Month Name Total no. shares held Percent Holding
Jul 31, 2025 State Street Russell Small Cap® Index 149,027 0.28%
Jun 30, 2025 State Street Russell Small Cap® Index 149,027 0.28%
May 31, 2025 State Street Russell Small Cap® Index 149,027 0.28%
Apr 30, 2025 State Street Russell Small Cap® Index 149,027 0.28%
Mar 31, 2025 State Street Russell Small Cap® Index 149,027 0.28%
Feb 28, 2025 State Street Russell Small Cap® Index 149,027 0.28%
Jan 31, 2025 State Street Russell Small Cap® Index 149,027 0.28%
Dec 31, 2024 State Street Russell Small Cap® Index 149,027 0.28%
Nov 30, 2024 State Street Russell Small Cap® Index 149,027 0.28%
Oct 31, 2024 State Street Russell Small Cap® Index 161,027 0.30%
Sep 30, 2024 State Street Russell Small Cap® Index 161,027 0.30%
Aug 31, 2024 State Street Russell Small Cap® Index 161,027 0.30%
Jul 31, 2024 State Street Russell Small Cap® Index 157,327 0.29%
Jun 30, 2024 State Street Russell Small Cap® Index 157,327 0.29%
May 31, 2024 State Street Russell Small Cap® Index 157,327 0.29%
Apr 30, 2024 State Street Russell Small Cap® Index 157,327 0.29%
Mar 31, 2024 State Street Russell Small Cap® Index 157,327 0.29%
Feb 29, 2024 State Street Russell Small Cap® Index 157,327 0.29%
Jan 31, 2024 State Street Russell Small Cap® Index 149,527 0.28%
Dec 31, 2023 State Street Russell Small Cap® Index 149,527 0.28%
Nov 30, 2023 State Street Russell Small Cap® Index 149,527 0.28%
Oct 31, 2023 State Street Russell Small Cap® Index 149,527 0.28%
Sep 30, 2023 State Street Russell Small Cap® Index 149,527 0.28%
Aug 31, 2023 State Street Russell Small Cap® Index 154,727 0.29%
Jul 31, 2023 State Street Russell Small Cap® Index 154,727 0.29%
Jun 30, 2023 State Street Russell Small Cap® Index 153,127 0.29%
May 31, 2023 State Street Russell Small Cap® Index 150,227 0.28%
Apr 30, 2023 State Street Russell Small Cap® Index 147,927 0.28%

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