Prothena Corp Public Ltd Co

TWO SIGMA INVESTMENTS, LP PRTA

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

670,138

Value ($000)

6,400

Weight

0.0%

2013 Q4 - 2025 Q4 (25 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	6,400	0.0%	670,138	12/31/2025
2025 Q3	11/14/2025	4,164	0.0%	426,605	9/30/2025
2025 Q2	8/14/2025	1,223	0.0%	201,450	6/30/2025
2025 Q1	5/15/2025	198	0.0%	16,033	3/31/2025
2024 Q4	2/14/2025	532	0.0%	38,394	12/31/2024
2024 Q3	11/14/2024	176	0.0%	10,507	9/30/2024
2024 Q2	8/14/2024	1,477	0.0%	71,559	6/30/2024
2023 Q3	11/14/2023	6,572	0.0%	136,203	9/30/2023
2023 Q2	8/14/2023	11,111	0.0%	162,733	6/30/2023
2023 Q1	5/15/2023	17,718	0.1%	365,539	3/31/2023
2022 Q4	2/14/2023	12,257	0.0%	203,435	12/31/2022
2022 Q3	11/14/2022	8,227	0.0%	135,685	9/30/2022
2022 Q2	8/15/2022	6,256	0.0%	230,427	6/30/2022
2022 Q1	5/16/2022	9,555	0.0%	261,291	3/31/2022
2021 Q4	2/14/2022	14,892	0.0%	301,454	12/31/2021
2021 Q3	11/15/2021	22,877	0.1%	321,166	9/30/2021
2021 Q2	8/16/2021	17,325	0.0%	336,990	6/30/2021
2021 Q1	5/17/2021	7,445	0.0%	296,378	3/31/2021
2020 Q4	2/16/2021	607	0.0%	50,581	12/31/2020
2020 Q3	11/16/2020	997	0.0%	99,811	9/30/2020
2020 Q2	8/14/2020	1,196	0.0%	114,324	6/30/2020
2020 Q1	5/15/2020	881	0.0%	82,330	3/31/2020
2019 Q4	2/14/2020	2,328	0.0%	147,062	12/31/2019
2014 Q1	5/15/2014	2,520	0.0%	65,783	3/31/2014
2013 Q4	2/14/2014	472	0.0%	17,790	12/31/2013