Prothena Corp Public Ltd Co

ALLIANCEBERNSTEIN L.P. PRTA

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

69,607

Value ($000)

665

Weight

0.0%

2013 Q4 - 2025 Q4 (27 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/17/2026	665	0.0%	69,607	12/31/2025
2025 Q3	11/14/2025	679	0.0%	69,607	9/30/2025
2025 Q2	8/14/2025	532	0.0%	87,587	6/30/2025
2025 Q1	5/15/2025	579	0.0%	46,753	3/31/2025
2024 Q4	2/12/2025	648	0.0%	46,753	12/31/2024
2024 Q3	11/14/2024	782	0.0%	46,746	9/30/2024
2024 Q2	8/14/2024	965	0.0%	46,746	6/30/2024
2024 Q1	5/14/2024	1,158	0.0%	46,746	3/31/2024
2023 Q4	2/14/2024	1,699	0.0%	46,746	12/31/2023
2023 Q3	11/14/2023	2,207	0.0%	45,746	9/30/2023
2023 Q2	8/15/2023	3,356	0.0%	49,146	6/30/2023
2023 Q1	5/15/2023	2,175	0.0%	44,866	3/31/2023
2022 Q4	2/15/2023	2,703	0.0%	44,866	12/31/2022
2022 Q3	11/15/2022	2,751	0.0%	45,366	9/30/2022
2022 Q2	8/15/2022	1,232	0.0%	45,366	6/30/2022
2022 Q1	5/13/2022	1,624	0.0%	44,400	3/31/2022
2021 Q4	2/14/2022	2,188	0.0%	44,300	12/31/2021
2021 Q3	11/10/2021	3,201	0.0%	44,940	9/30/2021
2021 Q2	7/30/2021	2,547	0.0%	49,540	6/30/2021
2021 Q1	5/6/2021	1,076	0.0%	42,840	3/31/2021
2020 Q4	2/8/2021	602	0.0%	50,140	12/31/2020
2020 Q3	11/12/2020	550	0.0%	55,040	9/30/2020
2020 Q2	8/13/2020	576	0.0%	55,040	6/30/2020
2020 Q1	5/14/2020	555	0.0%	51,840	3/31/2020
2019 Q4	2/18/2020	821	0.0%	51,840	12/31/2019
2014 Q1	5/13/2014	819	0.0%	21,377	3/31/2014
2013 Q4	2/13/2014	2	0.0%	77	12/31/2013