PROTHENA CORP PUBLIC LTD CO - PRTA
Sector:
Healthcare
· Industry:
Pharmaceutical Preparations
Website:
No information yet
· Social:
No information yet
Company profile
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Quarter snapshot
Latest / Compare
Q1 2026
· Q4 2025
Value (USD)
Total reported value ($000)
$485.9M
QoQ value delta ($000)
+$22.23M
(+4.79%)
Implied price effect (QoQ)
+1.62%
Shares
Total shares
50,045,447
QoQ shares delta
+1,516,313
(+3.12%)
Total shares held by funds (by quarter)
Market chart (PRTA)
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Top holders (Q1 2026)
Top 25 only
Full list
Partial Q1 2026 data: 185 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
| Manager | Value ($000) | Shares | % of 13F |
|---|---|---|---|
| FMR LLC | 73,397 | 7,551,218 | 0.0% |
| Rubric Capital Management LP | 48,600 | 5,000,000 | 0.51% |
| BlackRock, Inc. | 45,141 | 4,644,160 | 0.0% |
| VANGUARD GROUP INC | 20,445 | 2,140,909 | 0.0% |
| STATE STREET CORP | 18,842 | 1,938,498 | 0.0% |
| D. E. Shaw & Co., Inc. | 17,139 | 1,763,347 | 0.01% |
| ADAR1 Capital Management, LLC | 15,371 | 1,581,443 | 0.9% |
| ACADIAN ASSET MANAGEMENT LLC | 15,037 | 1,547,593 | 0.02% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 14,054 | 1,445,979 | 0.0% |
| MORGAN STANLEY | 11,959 | 1,230,448 | 0.0% |
| Palo Alto Investors LP | 11,747 | 1,208,568 | 1.8% |
| TWO SIGMA INVESTMENTS, LP | 11,722 | 1,205,978 | 0.01% |
| GEODE CAPITAL MANAGEMENT, LLC | 10,676 | 1,098,166 | 0.0% |
| FEDERATED HERMES, INC. | 10,301 | 1,059,849 | 0.02% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 9,448 | 972,017 | 0.04% |
| GOLDMAN SACHS GROUP INC | 7,959 | 818,885 | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 7,606 | 782,603 | 0.0% |
| Nuveen, LLC | 7,381 | 759,368 | 0.0% |
| Qube Research & Technologies Ltd | 5,973 | 614,603 | 0.01% |
| RENAISSANCE TECHNOLOGIES LLC | 5,905 | 607,515 | 0.01% |
| CITADEL ADVISORS LLC | 5,567 | 572,774 | 0.0% |
| Mariner, LLC | 5,473 | 563,082 | 0.01% |
| MONIMUS CAPITAL MANAGEMENT, LP | 4,720 | 485,617 | 1.31% |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,705 | 484,126 | 0.0% |
| Rangeley Capital, LLC | 4,368 | 449,460 | 4.24% |