PRTA
Prothena Corporation plc$9.38-0.21 (-2.19%)HealthcareNASDAQ
Institutional Holders
50
as of Q4 2025
Total Shares Held
InfinityB
Total Value
$3.9000351183200022e+202T
% of Float
Infinity%
Price History
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | FMR LLC | 4,131,932 | $39.0M | 0.00% | Share |
| 2 | Rubric Capital Management LP | 3,677,331 | $35.1M | 0.42% | Share |
| 3 | FMR LLC | 3,419,286 | $32.0M | 0.00% | Share |
| 4 | STATE STREET CORP | 2,267,802 | $21.0M | 0.00% | Share |
| 5 | VANGUARD GROUP INC | 1,881,735 | $18.0M | 0.00% | Share |
| 6 | BlackRock, Inc. | 1,882,205 | $17.0M | 0.00% | Share |
| 7 | D. E. Shaw & Co., Inc. | 1,681,369 | $16.0M | 0.01% | Share |
| 8 | ARMISTICE CAPITAL, LLC | 1,500,000 | $14.3M | 0.17% | Share |
| 9 | ADAR1 Capital Management, LLC | 1,457,764 | $13.9M | 1.01% | Share |
| 10 | BlackRock, Inc. | 1,443,752 | $13.0M | 0.00% | Share |
| 11 | ACADIAN ASSET MANAGEMENT LLC | 1,437,358 | $13.0M | 0.02% | Share |
| 12 | Palo Alto Investors LP | 1,320,510 | $12.6M | 1.76% | Share |
| 13 | JACOBS LEVY EQUITY MANAGEMENT, INC | 978,011 | $9.0M | 0.03% | Share |
| 14 | FEDERATED HERMES, INC. | 933,582 | $8.0M | 0.01% | Share |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 919,039 | $8.0M | 0.00% | Share |
| 16 | Point72 Asset Management, L.P. | 860,018 | $8.0M | 0.01% | Share |
| 17 | GOLDMAN SACHS GROUP INC | 840,229 | $8.0M | 0.00% | Share |
| 18 | Nuveen, LLC | 755,382 | $7.0M | 0.00% | Share |
| 19 | DIMENSIONAL FUND ADVISORS LP | 744,446 | $7.0M | 0.00% | Share |
| 20 | TWO SIGMA INVESTMENTS, LP | 670,138 | $6.0M | 0.01% | Share |
| 21 | Rangeley Capital, LLC | 524,600 | $5.0M | 4.16% | Share |
| 22 | MORGAN STANLEY | 544,234 | $5.0M | 0.00% | Share |
| 23 | Mariner, LLC | 577,938 | $5.0M | 0.01% | Share |
| 24 | CITADEL ADVISORS LLC | 551,314 | $5.0M | 0.00% | Share |
| 25 | Birchview Capital, LP | 441,019 | $4.2M | 2.47% | Share |
| 26 | UBS Group AG | 425,304 | $4.1M | 0.00% | Share |
| 27 | TWO SIGMA ADVISERS, LP | 427,400 | $4.0M | 0.01% | Share |
| 28 | RENAISSANCE TECHNOLOGIES LLC | 435,515 | $4.0M | 0.01% | Share |
| 29 | BNP PARIBAS FINANCIAL MARKETS | 423,955 | $4.0M | 0.00% | Share |
| 30 | MORGAN STANLEY | 462,687 | $4.0M | 0.00% | Share |
| 31 | BANK OF AMERICA CORP /DE/ | 404,861 | $3.0M | 0.00% | Share |
| 32 | NORTHERN TRUST CORP | 353,707 | $3.0M | 0.00% | Share |
| 33 | Qube Research & Technologies Ltd | 407,689 | $3.0M | 0.00% | Share |
| 34 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 357,335 | $3.0M | 0.00% | Share |
| 35 | CITADEL ADVISORS LLC | 361,068 | $3.0M | 0.00% | Share |
| 36 | MONIMUS CAPITAL MANAGEMENT, LP | 254,122 | $2.4M | 1.60% | Share |
| 37 | VANGUARD GROUP INC | 240,925 | $2.3M | 0.00% | Share |
| 38 | BlackRock, Inc. | 273,701 | $2.0M | 0.00% | Share |
| 39 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 298,101 | $2.0M | 0.00% | Share |
| 40 | Squarepoint Ops LLC | 218,041 | $2.0M | 0.00% | Share |
| 41 | Man Group plc | 269,513 | $2.0M | 0.00% | Share |
| 42 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 236,800 | $2.0M | 0.00% | Call |
| 43 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 312,500 | $2.0M | 0.00% | Put |
| 44 | Jump Financial, LLC | 236,400 | $2.0M | 0.02% | Share |
| 45 | JANE STREET GROUP, LLC | 245,119 | $2.0M | 0.00% | Share |
| 46 | DCF Advisers, LLC | 195,747 | $1.9M | 0.50% | Share |
| 47 | Focused Wealth Management, Inc | 107,479 | $1.0M | 0.11% | Share |
| 48 | DIADEMA PARTNERS LP | 106,539 | $1.0M | 0.18% | Share |
| 49 | BlackRock, Inc. | 157,243 | $1.0M | 0.00% | Share |
| 50 | JPMORGAN CHASE & CO | 137,427 | $1.0M | 0.00% | Share |