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
Q2 2026
· Q1 2026
Value (USD)
Total reported value ($000)
$475.4M
QoQ value delta ($000)
+$14.04M
(+3.04%)
Implied price effect (QoQ)
+1.22%
Shares
Total shares
48,332,327
QoQ shares delta
+855,041
(+1.8%)
Total shares held by funds (by quarter)
Market chart (PRTA)
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Top holders (Q2 2026)
Top 25 only
Full list
Partial Q2 2026 data: 190 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 | 70,480 | 7,199,218 | 0.0% |
| Rubric Capital Management LP | 48,950 | 5,000,000 | 0.45% |
| BlackRock, Inc. | 47,657 | 4,867,955 | 0.0% |
| STATE STREET CORP | 23,431 | 2,393,424 | 0.0% |
| ACADIAN ASSET MANAGEMENT LLC | 19,677 | 2,010,645 | 0.02% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 16,166 | 1,651,293 | 0.0% |
| D. E. Shaw & Co., Inc. | 15,776 | 1,611,457 | 0.01% |
| ADAR1 Capital Management, LLC | 15,218 | 1,554,535 | 0.7% |
| TWO SIGMA INVESTMENTS, LP | 12,384 | 1,264,987 | 0.01% |
| Palo Alto Investors LP | 11,191 | 1,143,155 | 1.55% |
| GEODE CAPITAL MANAGEMENT, LLC | 11,024 | 1,125,877 | 0.0% |
| FEDERATED HERMES, INC. | 10,616 | 1,084,401 | 0.02% |
| MORGAN STANLEY | 9,744 | 995,348 | 0.0% |
| GOLDMAN SACHS GROUP INC | 9,591 | 979,730 | 0.0% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 9,457 | 965,988 | 0.03% |
| DIMENSIONAL FUND ADVISORS LP | 8,867 | 905,651 | 0.0% |
| Qube Research & Technologies Ltd | 7,745 | 791,169 | 0.01% |
| RENAISSANCE TECHNOLOGIES LLC | 6,829 | 697,615 | 0.01% |
| Man Group plc | 6,638 | 678,116 | 0.01% |
| Mariner, LLC | 6,119 | 625,095 | 0.01% |
| CITADEL ADVISORS LLC | 5,854 | 598,010 | 0.0% |
| Nuveen, LLC | 5,454 | 557,157 | 0.0% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 4,766 | 486,900 | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,698 | 479,945 | 0.0% |
| NORTHERN TRUST CORP | 4,475 | 457,124 | 0.0% |