Who owns Prothena?
- Ticker: PRTA
- CUSIP Number: G72800108
Tip: Access positions for across all investors
Analyze quarterly positions in Prothena with up to 7 years of data, all consolidated into one spreadsheet
Download as csv
Download as Excel
Top investors of Prothena stock
Who bought or sold Prothena this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| FMR | 7.9M | $77M | 0% | Sep 2025 |
|
| BlackRock | 4.1M | $39M | 14% | Dec 2025 |
|
| Rubric Capital Management | 3.7M | $35M | 139% | Dec 2025 |
|
| State Street Corporation | 2.3M | $22M | 152% | Dec 2025 |
|
| Vanguard Group | 2.1M | $20M | 4% | Dec 2025 |
|
| Armistice Capital | 1.8M | $18M | 100% | Sep 2025 |
|
| ADAR1 Capital Management | 1.5M | $14M | -1% | Dec 2025 |
|
| Acadian Asset Management | 1.4M | $14M | 16% | Dec 2025 |
|
| Palo Alto Investors | 1.3M | $13M | 4% | Sep 2025 |
|
| D. E. Shaw & Co | 1.3M | $13M | 236% | Sep 2025 |
|
| Geode Capital Management | 1.1M | $10M | 4% | Dec 2025 |
|
| Jacobs Levy Equity Management | 978k | $9.3M | 12% | Dec 2025 |
|
| Federated Investors | 974k | $9.3M | 41% | Dec 2025 |
|
| Citadel Advisors | 972k | $9.5M | -29% | Sep 2025 |
|
| Goldman Sachs Group | 935k | $8.9M | 165% | Dec 2025 |
|
| Point72 Asset Management | 919k | $8.8M | 42% | Dec 2025 |
|
| Dimensional Fund Advisors | 775k | $7.4M | -4% | Dec 2025 |
|
| Nuveen | 759k | $7.2M | 14% | Dec 2025 |
|
| Jpmorgan Chase & Co | 736k | $7.2M | 100% | Sep 2025 |
|
| Jane Street | 700k | $6.7M | -20% | Dec 2025 |
|
| Millennium Management | 621k | $6.1M | 264% | Sep 2025 |
|
| Mariner Wealth Advisors | 578k | $5.5M | -2% | Dec 2025 |
|
| Susquehanna International | 565k | $5.4M | -55% | Dec 2025 |
|
| Rangeley Capital | 525k | $5.0M | -6% | Dec 2025 |
|
| Algert Coldiron Investors | 446k | $4.4M | 826% | Sep 2025 |
|
| Birchview Capital | 441k | $4.2M | -20% | Dec 2025 |
|
| Renaissance Technologies | 436k | $4.2M | 17% | Dec 2025 |
|
| Two Sigma Investments | 427k | $4.2M | 112% | Sep 2025 |
|
| UBS Group | 426k | $4.1M | 6% | Dec 2025 |
|
| Bnp Paribas Arbitrage, Snc | 424k | $4.0M | 86% | Dec 2025 |
|
| Qube Research & Technologies | 408k | $3.9M | 60% | Dec 2025 |
|
| Northern Trust | 363k | $3.5M | 9% | Dec 2025 |
|
| Charles Schwab Investment Management | 357k | $3.4M | 2% | Dec 2025 |
|
| Arrowstreet Capital, Limited Partnership | 298k | $2.8M | -54% | Dec 2025 |
|
| Man Group | 270k | $2.6M | 104% | Dec 2025 |
|
| Two Sigma Advisers | 266k | $2.6M | 90% | Sep 2025 |
|
| Monimus Capital Management | 254k | $2.4M | -2% | Dec 2025 |
|
| Jump Financial | 238k | $2.3M | 28% | Dec 2025 |
|
| Squarepoint Ops | 218k | $2.1M | 72% | Dec 2025 |
|
| AQR Capital Management | 215k | $2.1M | 100% | Sep 2025 |
|
| DCF Advisers | 196k | $1.9M | -2% | Dec 2025 |
|
| Walleye Trading Advisors | 192k | $1.8M | 284% | Dec 2025 |
|
| Cubist Systematic Strategies | 191k | $1.9M | -62% | Sep 2025 |
|
| Barclays | 184k | $1.8M | 87% | Dec 2025 |
|
| Caption Management | 161k | $1.5M | 0% | Dec 2025 |
|
| Bank of New York Mellon | 133k | $1.3M | -14% | Dec 2025 |
|
| Connor, Clark & Lunn Investment Management | 126k | $1.2M | 100% | Dec 2025 |
|
| Focused Wealth Management | 108k | $1.0M | 88% | Dec 2025 |
|
| Diadema Partners | 107k | $1.0M | 100% | Dec 2025 |
|
| Ameriprise Financial | 105k | $1.0M | 0% | Dec 2025 |
|
| Quantinno Capital Management | 104k | $990k | 2% | Dec 2025 |
|
| Y-Intercept | 101k | $960k | 726% | Dec 2025 |
|
| Russell Investments | 99k | $949k | -22% | Dec 2025 |
|
| Thomas Stevens, CFA" | 95k | $1000k | -20% | Dec 2025 |
|
| Campbell & Co. Investment Adviser | 94k | $899k | 100% | Dec 2025 |
|
| Hennion & Walsh Asset Management | 91k | $872k | 8% | Dec 2025 |
|
| ExodusPoint Capital Management | 88k | $840k | 191% | Dec 2025 |
|
| Rafferty Asset Management | 83k | $788k | 100% | Dec 2025 |
|
| American Century Companies | 79k | $753k | 9% | Dec 2025 |
|
| Assenagon Asset Management | 77k | $733k | -14% | Dec 2025 |
|
| Duncan Williams Asset Management | 70k | $625k | -20% | Dec 2025 |
|
| Alliancebernstein | 70k | $679k | -21% | Sep 2025 |
|
| Martingale Asset Management | 64k | $606k | 100% | Dec 2025 |
|
| SG Americas Securities | 63k | $602k | 11% | Dec 2025 |
|
| Gail Mannix | 63k | $599k | -12% | Dec 2025 |
|
| Creative Planning | 62k | $592k | -3% | Dec 2025 |
|
| Wells Fargo & Company | 60k | $574k | 49% | Dec 2025 |
|
| Susquehanna Portfolio Strategies | 59k | $562k | 103% | Dec 2025 |
|
| Rhumbline Advisers | 57k | $540k | -9% | Dec 2025 |
|
| Balyasny Asset Management | 56k | $544k | -90% | Sep 2025 |
|
| XTX Topco | 55k | $524k | 247% | Dec 2025 |
|
| Marshall Wace | 55k | $523k | 100% | Dec 2025 |
|
| Quinn Opportunity Partners | 50k | $478k | 0% | Dec 2025 |
|
| Franklin Resources | 47k | $451k | -23% | Dec 2025 |
|
| Massachusetts Financial Services | 46k | $439k | -3% | Dec 2025 |
|
| Seven Fleet Capital Management | 43k | $414k | 100% | Dec 2025 |
|
| Ohio Pers | 42k | $412k | 0% | Sep 2025 |
|
| Hsbc Holdings | 37k | $365k | -19% | Sep 2025 |
|
| Deutsche Bank Aktiengesellschaft | 36k | $339k | 5% | Dec 2025 |
|
| Quadrature Capital | 31k | $297k | 100% | Dec 2025 |
|
| ProFund Advisors | 31k | $292k | 100% | Dec 2025 |
|
| Rbf Capital | 29k | $285k | 0% | Sep 2025 |
|
| Persistent Asset Partners | 29k | $273k | 100% | Dec 2025 |
|
| Pnc Financial Services | 28k | $269k | 55% | Dec 2025 |
|
| Graham Capital Management | 28k | $265k | -48% | Dec 2025 |
|
| Tudor Investment Corporation | 27k | $264k | -3% | Sep 2025 |
|
| Invesco | 27k | $254k | -15% | Dec 2025 |
|
| GSA Capital Partners | 26k | $252k | 100% | Dec 2025 |
|
| MetLife Investment Advisors | 26k | $244k | 32% | Dec 2025 |
|
| Mirae Asset Global Etfs Holdings | 25k | $241k | 34% | Dec 2025 |
|
| Purkiss Capital Advisors | 25k | $240k | -1% | Dec 2025 |
|
| Edgewood Management | 24k | $230k | 0% | Dec 2025 |
|
| Headlands Technologies | 23k | $223k | 100% | Dec 2025 |
|
| Wolverine Trading | 23k | $222k | 100% | Sep 2025 |
|
| Virtus Investment Advisers | 22k | $219k | 21% | Sep 2025 |
|
| Covestor | 22k | $208k | -31% | Dec 2025 |
|
| Joel R Mogy Investment Counsel | 21k | $198k | 0% | Dec 2025 |
|
| Intech Investment Management | 21k | $197k | 6% | Dec 2025 |
|
| Trexquant Investment | 19k | $185k | -93% | Dec 2025 |
|
| Walleye Trading | 19k | $177k | -24% | Dec 2025 |
|
| Ballentine Partners | 18k | $173k | -1% | Dec 2025 |
|
| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | 18k | $168k | -39% | Dec 2025 |
|
| Atom Investors | 17k | $163k | -20% | Dec 2025 |
|
| Entropy Technologies | 17k | $161k | 100% | Dec 2025 |
|
| Raymond James Financial | 17k | $157k | -25% | Dec 2025 |
|
| Jones Financial Companies, L.L | 16k | $152k | 14% | Dec 2025 |
|
| Florida State Board of Administration | 15k | $147k | 0% | Dec 2025 |
|
| Chicago Partners Investment | 15k | $152k | 3% | Dec 2025 |
|
| Corton Capital | 14k | $139k | 2% | Sep 2025 |
|
| DekaBank Deutsche Girozentrale | 14k | $383k | 0% | Dec 2025 |
|
| Manufacturers Life Insurance Company | 14k | $131k | -1% | Dec 2025 |
|
| Wintrust Financial Corporation | 13k | $126k | -1% | Dec 2025 |
|
| Cary Street Partners Financial | 13k | $119k | 0% | Dec 2025 |
|
| Police & Firemen's Retirement System of New Jersey | 13k | $119k | 0% | Dec 2025 |
|
| Skopos Labs | 12k | $114k | 8% | Dec 2025 |
|
| DRW Holdings | 12k | $114k | 100% | Dec 2025 |
|
| PDT Partners | 11k | $108k | 100% | Dec 2025 |
|
| Inscription Capital | 11k | $102k | 2% | Dec 2025 |
|
| ProShare Advisors | 10k | $100k | 100% | Dec 2025 |
|
| Royal Bank of Canada | 10k | $110k | -90% | Sep 2025 |
|
| CWM | 10k | $96k | -1% | Dec 2025 |
|
| Fox Run Management | 10k | $96k | -77% | Dec 2025 |
|
| New York State Common Retirement Fund | 9.0k | $86k | 0% | Dec 2025 |
|
| China Universal Asset Management | 8.8k | $84k | -7% | Dec 2025 |
|
| Public Employees' Retirement Association of Colorado | 6.6k | $63k | 0% | Dec 2025 |
|
| Point72 | 5.8k | $57k | -76% | Sep 2025 |
|
| Pinnacle Wealth Planning Services | 5.7k | $54k | 100% | Dec 2025 |
|
| Brown Brothers Harriman & Co. | 5.0k | $48k | 0% | Dec 2025 |
|
| Rockefeller Capital Management | 4.6k | $44k | 4% | Dec 2025 |
|
| Legal & General Group | 4.0k | $39k | 12% | Dec 2025 |
|
| Signature | 3.6k | $35k | -2% | Dec 2025 |
|
| Summit Investment Advisors | 3.4k | $33k | 0% | Dec 2025 |
|
| Tower Research Capital | 2.8k | $27k | 120% | Dec 2025 |
|
| California State Teachers Retirement System | 2.7k | $26k | 12% | Dec 2025 |
|
| Mirae Asset Global Investments | 2.6k | $25k | 26% | Dec 2025 |
|
| Farther Finance Advisors | 2.4k | $23k | 0% | Dec 2025 |
|
| Sterling Capital Management | 2.3k | $22k | -9% | Dec 2025 |
|
| Versant Capital Management | 2.0k | $20k | 0% | Dec 2025 |
|
| Simplex Trading | 1.9k | $18k | -95% | Dec 2025 |
|
| Flagship Wealth Advisors | 1.5k | $14k | 0% | Dec 2025 |
|
| Amalgamated Bank | 1.4k | $13k | -4% | Dec 2025 |
|
| Quadrant Capital | 1.3k | $12k | 0% | Dec 2025 |
|
| Gf Fund Management | 1.1k | $10k | -8% | Dec 2025 |
|
| Federation des caisses Desjardins du Quebec | 1.0k | $9.6k | 100% | Dec 2025 |
|
| HighMark Wealth Management | 900.00 | $8.6k | -55% | Dec 2025 |
|
| Hanson McClain Advisors | 885.00 | $8.5k | 2% | Dec 2025 |
|
| Hm Payson & Co | 600.00 | $5.7k | 0% | Dec 2025 |
|
| Point72 Europe | 531.00 | $5.2k | 100% | Sep 2025 |
|
| GAMMA Investing | 510.00 | $4.9k | 32% | Dec 2025 |
|
| Us Bancorp | 359.00 | $3.4k | 14% | Dec 2025 |
|
| NISA Investment Advisors | 112.00 | $1.1k | -81% | Dec 2025 |
|
| SRS Capital Advisors | 13.00 | $124.000500 | -100% | Dec 2025 |
|
Who sold out of Prothena?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Granahan Investment Management | Jun 2025 | 461k | $2.8M |
| Wellington Management Company | Jun 2025 | 108k | $655k |
| Janney Montgomery Scott | Sep 2025 | 107k | $1.0M |
| Monaco Asset Management SAM | Sep 2025 | 70k | $683k |
| Engineers Gate Manager | Sep 2025 | 56k | $547k |
| Hrt Financial | Sep 2025 | 31k | $303k |
| Proficio Capital Partners | Sep 2025 | 30k | $294k |
| Boothbay Fund Management | Sep 2025 | 30k | $293k |
| Sandia Investment Management | Sep 2025 | 30k | $292k |
| Arizona PSPRS Trust | Sep 2025 | 28k | $293k |
| Cambridge Investment Research Advisors | Sep 2025 | 28k | $269k |
| ALPS Advisors | Sep 2025 | 26k | $251k |
| Rock Springs Capital Management | Sep 2025 | 25k | $248k |
| Handelsbanken Fonder AB | Sep 2025 | 21k | $204k |
| Prosight Management | Sep 2025 | 20k | $195k |
| Foundation Wealth Management | Sep 2025 | 20k | $190k |
| Voleon Capital Management | Jun 2025 | 19k | $113k |
| CCM Partners | Jun 2025 | 15k | $93k |
| Thrivent Financial for Lutherans | Sep 2025 | 13k | $127k |
| Jain Global | Sep 2025 | 12k | $115k |
| Oppenheimer & Co | Sep 2025 | 12k | $114k |
| Group One Trading | Sep 2025 | 6.9k | $68k |
| Point72 Asia | Jun 2025 | 459.00 | $2.8k |