Prothena Corp Public Ltd Co (PRTA) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

53,830,000Shares Outstanding
49,628,112Shares held by institutions
$549,631,340Value of institutional holdings
92.19%Institutional ownership %
16.95%Shares Changed QoQ
178No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

890 Institutional Holders

49,628,112 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
FMR LLC 31 Dec, 2025 7,551,218 -350,000 -4.43% $72,114,132.00
FMR LLC 31 Dec, 2025 7,551,218 -350,000 -4.43% $72,114,132.00
FMR LLC 31 Dec, 2025 7,551,218 -350,000 -4.43% $72,114,132.00
FMR LLC 31 Dec, 2025 7,551,218 -350,000 -4.43% $72,114,132.00
FMR LLC 31 Dec, 2025 7,551,218 -350,000 -4.43% $72,114,132.00
BlackRock, Inc. 31 Dec, 2025 4,107,459 509,042 14.15% $39,226,235.00
BlackRock, Inc. 31 Dec, 2025 4,107,459 509,042 14.15% $39,226,235.00
BlackRock, Inc. 31 Dec, 2025 4,107,459 509,042 14.15% $39,226,235.00
BlackRock, Inc. 31 Dec, 2025 4,107,459 509,042 14.15% $39,226,235.00
BlackRock, Inc. 31 Dec, 2025 4,107,459 509,042 14.15% $39,226,235.00
Rubric Capital Management LP 31 Dec, 2025 3,677,331 2,136,958 138.73% $35,118,511.00
Rubric Capital Management LP 31 Dec, 2025 3,677,331 2,136,958 138.73% $35,118,511.00
Rubric Capital Management LP 31 Dec, 2025 3,677,331 2,136,958 138.73% $35,118,511.00
Rubric Capital Management LP 31 Dec, 2025 3,677,331 2,136,958 138.73% $35,118,511.00
Rubric Capital Management LP 31 Dec, 2025 3,677,331 2,136,958 138.73% $35,118,511.00
ADAR1 Capital Management, LLC 31 Dec, 2025 2,915,528 1,446,430 98.46% $27,843,292.00
ADAR1 Capital Management, LLC 31 Dec, 2025 2,915,528 1,446,430 98.46% $27,843,292.00
ADAR1 Capital Management, LLC 31 Dec, 2025 2,915,528 1,446,430 98.46% $27,843,292.00
ADAR1 Capital Management, LLC 31 Dec, 2025 2,915,528 1,446,430 98.46% $27,843,292.00
ADAR1 Capital Management, LLC 31 Dec, 2025 2,915,528 1,446,430 98.46% $27,843,292.00